bdb.result
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:34k
- drop table if exists t1,t2,t3,t4,t5,t6,t7,t8;
- create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=bdb;
- insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'), (2, 'Erik'), (3, 'Sasha'), (3, 'Jeremy'), (4, 'Matt');
- select id, code, name from t1 order by id;
- id code name
- 1 1 Tim
- 2 1 Monty
- 3 2 David
- 4 2 Erik
- 5 3 Sasha
- 6 3 Jeremy
- 7 4 Matt
- update ignore t1 set id = 8, name = 'Sinisa' where id < 3;
- select id, code, name from t1 order by id;
- id code name
- 2 1 Monty
- 3 2 David
- 4 2 Erik
- 5 3 Sasha
- 6 3 Jeremy
- 7 4 Matt
- 8 1 Sinisa
- update ignore t1 set id = id + 10, name = 'Ralph' where id < 4;
- select id, code, name from t1 order by id;
- id code name
- 3 2 David
- 4 2 Erik
- 5 3 Sasha
- 6 3 Jeremy
- 7 4 Matt
- 8 1 Sinisa
- 12 1 Ralph
- drop table t1;
- CREATE TABLE t1 (
- id int(11) NOT NULL auto_increment,
- parent_id int(11) DEFAULT '0' NOT NULL,
- level tinyint(4) DEFAULT '0' NOT NULL,
- PRIMARY KEY (id),
- KEY parent_id (parent_id),
- KEY level (level)
- ) engine=bdb;
- INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1),(179,5,2);
- update t1 set parent_id=parent_id+100;
- select * from t1 where parent_id=102;
- id parent_id level
- 8 102 2
- 9 102 2
- 15 102 2
- update t1 set id=id+1000;
- update t1 set id=1024 where id=1009;
- ERROR 23000: Duplicate entry '1024' for key 1
- select * from t1;
- id parent_id level
- 1001 100 0
- 1002 101 1
- 1003 101 1
- 1004 101 1
- 1005 101 1
- 1006 101 1
- 1007 101 1
- 1008 102 2
- 1009 102 2
- 1015 102 2
- 1016 103 2
- 1017 103 2
- 1018 103 2
- 1019 103 2
- 1020 103 2
- 1021 104 2
- 1022 104 2
- 1024 104 2
- 1025 105 2
- 1026 105 2
- 1027 105 2
- 1028 105 2
- 1029 105 2
- 1030 105 2
- 1031 106 2
- 1032 106 2
- 1033 106 2
- 1034 106 2
- 1035 106 2
- 1036 107 2
- 1037 107 2
- 1038 107 2
- 1040 107 2
- 1157 100 0
- 1179 105 2
- 1183 104 2
- 1193 105 2
- 1202 107 2
- 1203 107 2
- update ignore t1 set id=id+1;
- select * from t1;
- id parent_id level
- 1001 100 0
- 1002 101 1
- 1003 101 1
- 1004 101 1
- 1005 101 1
- 1006 101 1
- 1007 101 1
- 1008 102 2
- 1010 102 2
- 1015 102 2
- 1016 103 2
- 1017 103 2
- 1018 103 2
- 1019 103 2
- 1020 103 2
- 1021 104 2
- 1023 104 2
- 1024 104 2
- 1025 105 2
- 1026 105 2
- 1027 105 2
- 1028 105 2
- 1029 105 2
- 1030 105 2
- 1031 106 2
- 1032 106 2
- 1033 106 2
- 1034 106 2
- 1035 106 2
- 1036 107 2
- 1037 107 2
- 1039 107 2
- 1041 107 2
- 1158 100 0
- 1180 105 2
- 1184 104 2
- 1194 105 2
- 1202 107 2
- 1204 107 2
- update ignore t1 set id=1023 where id=1010;
- select * from t1 where parent_id=102 order by parent_id,id;
- id parent_id level
- 1008 102 2
- 1010 102 2
- 1015 102 2
- explain select level from t1 where level=1;
- id select_type table type possible_keys key key_len ref rows Extra
- 1 SIMPLE t1 ref level level 1 const 1 Using where; Using index
- explain select level,id from t1 where level=1;
- id select_type table type possible_keys key key_len ref rows Extra
- 1 SIMPLE t1 ref level level 1 const 1 Using where; Using index
- explain select level,id,parent_id from t1 where level=1;
- id select_type table type possible_keys key key_len ref rows Extra
- 1 SIMPLE t1 ref level level 1 const 1 Using where
- select level,id from t1 where level=1;
- level id
- 1 1002
- 1 1003
- 1 1004
- 1 1005
- 1 1006
- 1 1007
- select level,id,parent_id from t1 where level=1;
- level id parent_id
- 1 1002 101
- 1 1003 101
- 1 1004 101
- 1 1005 101
- 1 1006 101
- 1 1007 101
- optimize table t1;
- Table Op Msg_type Msg_text
- test.t1 optimize status OK
- show keys from t1;
- Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
- t1 0 PRIMARY 1 id A 39 NULL NULL BTREE
- t1 1 parent_id 1 parent_id A 9 NULL NULL BTREE
- t1 1 level 1 level A 3 NULL NULL BTREE
- drop table t1;
- CREATE TABLE t1 (
- gesuchnr int(11) DEFAULT '0' NOT NULL,
- benutzer_id int(11) DEFAULT '0' NOT NULL,
- PRIMARY KEY (gesuchnr,benutzer_id)
- ) engine=BDB;
- replace into t1 (gesuchnr,benutzer_id) values (2,1);
- replace into t1 (gesuchnr,benutzer_id) values (1,1);
- replace into t1 (gesuchnr,benutzer_id) values (1,1);
- select * from t1;
- gesuchnr benutzer_id
- 1 1
- 2 1
- drop table t1;
- create table t1 (id int not null primary key, x int not null, key (x)) engine=bdb;
- insert into t1 (id, x) values (1, 1);
- replace into t1 (id, x) values (1, 2);
- select * from t1;
- id x
- 1 2
- drop table t1;
- create table t1 (a int) engine=bdb;
- insert into t1 values (1), (2);
- optimize table t1;
- Table Op Msg_type Msg_text
- test.t1 optimize status OK
- delete from t1 where a = 1;
- select * from t1;
- a
- 2
- check table t1;
- Table Op Msg_type Msg_text
- test.t1 check note The storage engine for the table doesn't support check
- drop table t1;
- create table t1 (a int,b varchar(20)) engine=bdb;
- insert into t1 values (1,""), (2,"testing");
- delete from t1 where a = 1;
- select * from t1;
- a b
- 2 testing
- create index skr on t1 (a);
- insert into t1 values (3,""), (4,"testing");
- analyze table t1;
- Table Op Msg_type Msg_text
- test.t1 analyze status OK
- show keys from t1;
- Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
- t1 1 skr 1 a A 3 NULL NULL YES BTREE
- drop table t1;
- create table t1 (a int,b varchar(20),key(a)) engine=bdb;
- insert into t1 values (1,""), (2,"testing");
- select * from t1 where a = 1;
- a b
- 1
- drop table t1;
- create table t1 (a char(10) not null, b int not null auto_increment, primary key(a,b)) engine=BDB;
- insert into t1 values ("a",1),("b",2),("a",2),("c",1);
- insert into t1 values ("a",NULL),("b",NULL),("c",NULL),("e",NULL);
- insert into t1 (a) values ("a"),("b"),("c"),("d");
- insert into t1 (a) values ('k'),('d');
- insert into t1 (a) values ("a");
- insert into t1 values ("d",last_insert_id());
- select * from t1;
- a b
- a 1
- a 2
- a 3
- a 4
- a 5
- b 2
- b 3
- b 4
- c 1
- c 2
- c 3
- d 1
- d 2
- d 5
- e 1
- k 1
- flush tables;
- select count(*) from t1;
- count(*)
- 16
- drop table t1;
- create table t1 (n int not null primary key) engine=bdb;
- set autocommit=0;
- insert into t1 values (4);
- rollback;
- select n, "after rollback" from t1;
- n after rollback
- insert into t1 values (4);
- commit;
- select n, "after commit" from t1;
- n after commit
- 4 after commit
- commit;
- insert into t1 values (5);
- insert into t1 values (4);
- ERROR 23000: Duplicate entry '4' for key 1
- commit;
- select n, "after commit" from t1;
- n after commit
- 4 after commit
- 5 after commit
- set autocommit=1;
- insert into t1 values (6);
- insert into t1 values (4);
- ERROR 23000: Duplicate entry '4' for key 1
- select n from t1;
- n
- 4
- 5
- 6
- rollback;
- drop table t1;
- create table t1 ( id int NOT NULL PRIMARY KEY, nom varchar(64)) engine=BDB;
- begin;
- insert into t1 values(1,'hamdouni');
- select id as afterbegin_id,nom as afterbegin_nom from t1;
- afterbegin_id afterbegin_nom
- 1 hamdouni
- rollback;
- select id as afterrollback_id,nom as afterrollback_nom from t1;
- afterrollback_id afterrollback_nom
- set autocommit=0;
- insert into t1 values(2,'mysql');
- select id as afterautocommit0_id,nom as afterautocommit0_nom from t1;
- afterautocommit0_id afterautocommit0_nom
- 2 mysql
- rollback;
- select id as afterrollback_id,nom as afterrollback_nom from t1;
- afterrollback_id afterrollback_nom
- set autocommit=1;
- drop table t1;
- CREATE TABLE t1 (id char(8) not null primary key, val int not null) engine=bdb;
- insert into t1 values ('pippo', 12);
- insert into t1 values ('pippo', 12);
- ERROR 23000: Duplicate entry 'pippo' for key 1
- delete from t1;
- delete from t1 where id = 'pippo';
- select * from t1;
- id val
- insert into t1 values ('pippo', 12);
- set autocommit=0;
- delete from t1;
- rollback;
- select * from t1;
- id val
- pippo 12
- delete from t1;
- commit;
- select * from t1;
- id val
- drop table t1;
- set autocommit=1;
- CREATE TABLE t1 (ID INTEGER NOT NULL PRIMARY KEY, NAME VARCHAR(64)) ENGINE=BDB;
- INSERT INTO t1 VALUES (1, 'Jochen');
- select * from t1;
- ID NAME
- 1 Jochen
- drop table t1;
- CREATE TABLE t1 ( _userid VARCHAR(60) NOT NULL PRIMARY KEY) ENGINE=BDB;
- set autocommit=0;
- INSERT INTO t1 SET _userid='marc@anyware.co.uk';
- COMMIT;
- SELECT * FROM t1;
- _userid
- marc@anyware.co.uk
- SELECT _userid FROM t1 WHERE _userid='marc@anyware.co.uk';
- _userid
- marc@anyware.co.uk
- drop table t1;
- set autocommit=1;
- CREATE TABLE t1 (
- user_id int(10) DEFAULT '0' NOT NULL,
- name varchar(100),
- phone varchar(100),
- ref_email varchar(100) DEFAULT '' NOT NULL,
- detail varchar(200),
- PRIMARY KEY (user_id,ref_email)
- )engine=bdb;
- INSERT INTO t1 VALUES (10292,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10292,'shirish','2333604','shirish@yahoo.com','ddsds'),(10292,'sonali','323232','sonali@bolly.com','filmstar');
- select * from t1 where user_id=10292;
- user_id name phone ref_email detail
- 10292 sanjeev 29153373 sansh777@hotmail.com xxx
- 10292 shirish 2333604 shirish@yahoo.com ddsds
- 10292 sonali 323232 sonali@bolly.com filmstar
- INSERT INTO t1 VALUES (10291,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10293,'shirish','2333604','shirish@yahoo.com','ddsds');
- select * from t1 where user_id=10292;
- user_id name phone ref_email detail
- 10292 sanjeev 29153373 sansh777@hotmail.com xxx
- 10292 shirish 2333604 shirish@yahoo.com ddsds
- 10292 sonali 323232 sonali@bolly.com filmstar
- select * from t1 where user_id>=10292;
- user_id name phone ref_email detail
- 10292 sanjeev 29153373 sansh777@hotmail.com xxx
- 10292 shirish 2333604 shirish@yahoo.com ddsds
- 10292 sonali 323232 sonali@bolly.com filmstar
- 10293 shirish 2333604 shirish@yahoo.com ddsds
- select * from t1 where user_id>10292;
- user_id name phone ref_email detail
- 10293 shirish 2333604 shirish@yahoo.com ddsds
- select * from t1 where user_id<10292;
- user_id name phone ref_email detail
- 10291 sanjeev 29153373 sansh777@hotmail.com xxx
- drop table t1;
- CREATE TABLE t1 (a int not null, b int not null,c int not null,
- key(a),primary key(a,b), unique(c),key(a),unique(b));
- show index from t1;
- Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
- t1 0 PRIMARY 1 a A NULL NULL NULL BTREE
- t1 0 PRIMARY 2 b A 0 NULL NULL BTREE
- t1 0 c 1 c A 0 NULL NULL BTREE
- t1 0 b 1 b A 0 NULL NULL BTREE
- t1 1 a 1 a A NULL NULL NULL BTREE
- t1 1 a_2 1 a A NULL NULL NULL BTREE
- drop table t1;
- create table t1 (col1 int not null, col2 char(4) not null, primary key(col1));
- alter table t1 engine=BDB;
- insert into t1 values ('1','1'),('5','2'),('2','3'),('3','4'),('4','4');
- select * from t1;
- col1 col2
- 1 1
- 2 3
- 3 4
- 4 4
- 5 2
- update t1 set col2='7' where col1='4';
- select * from t1;
- col1 col2
- 1 1
- 2 3
- 3 4
- 4 7
- 5 2
- alter table t1 add co3 int not null;
- select * from t1;
- col1 col2 co3
- 1 1 0
- 2 3 0
- 3 4 0
- 4 7 0
- 5 2 0
- update t1 set col2='9' where col1='2';
- select * from t1;
- col1 col2 co3
- 1 1 0
- 2 9 0
- 3 4 0
- 4 7 0
- 5 2 0
- drop table t1;
- create table t1 (a int not null , b int, primary key (a)) engine = BDB;
- create table t2 (a int not null , b int, primary key (a)) engine = myisam;
- insert into t1 VALUES (1,3) , (2,3), (3,3);
- select * from t1;
- a b
- 1 3
- 2 3
- 3 3
- insert into t2 select * from t1;
- select * from t2;
- a b
- 1 3
- 2 3
- 3 3
- delete from t1 where b = 3;
- select * from t1;
- a b
- insert into t1 select * from t2;
- select * from t1;
- a b
- 1 3
- 2 3
- 3 3
- select * from t2;
- a b
- 1 3
- 2 3
- 3 3
- drop table t1,t2;
- CREATE TABLE t1 (
- id int(11) NOT NULL auto_increment,
- ggid varchar(32) binary DEFAULT '' NOT NULL,
- email varchar(64) DEFAULT '' NOT NULL,
- passwd varchar(32) binary DEFAULT '' NOT NULL,
- PRIMARY KEY (id),
- UNIQUE ggid (ggid)
- ) ENGINE=BDB;
- insert into t1 (ggid,passwd) values ('test1','xxx');
- insert into t1 (ggid,passwd) values ('test2','yyy');
- insert into t1 (ggid,passwd) values ('test2','this will fail');
- ERROR 23000: Duplicate entry 'test2' for key 2
- insert into t1 (ggid,id) values ('this will fail',1);
- ERROR 23000: Duplicate entry '1' for key 1
- select * from t1 where ggid='test1';
- id ggid email passwd
- 1 test1 xxx
- select * from t1 where passwd='xxx';
- id ggid email passwd
- 1 test1 xxx
- select * from t1 where id=2;
- id ggid email passwd
- 2 test2 yyy
- replace into t1 (ggid,id) values ('this will work',1);
- replace into t1 (ggid,passwd) values ('test2','this will work');
- update t1 set id=100,ggid='test2' where id=1;
- ERROR 23000: Duplicate entry 'test2' for key 2
- select * from t1;
- id ggid email passwd
- 1 this will work
- 3 test2 this will work
- select * from t1 where id=1;
- id ggid email passwd
- 1 this will work
- select * from t1 where id=999;
- id ggid email passwd
- drop table t1;
- CREATE TABLE t1 (
- user_name varchar(12),
- password text,
- subscribed char(1),
- user_id int(11) DEFAULT '0' NOT NULL,
- quota bigint(20),
- weight double,
- access_date date,
- access_time time,
- approved datetime,
- dummy_primary_key int(11) NOT NULL auto_increment,
- PRIMARY KEY (dummy_primary_key)
- ) ENGINE=BDB;
- INSERT INTO t1 VALUES ('user_0','somepassword','N',0,0,0,'2000-09-07','23:06:59','2000-09-07 23:06:59',1);
- INSERT INTO t1 VALUES ('user_1','somepassword','Y',1,1,1,'2000-09-07','23:06:59','2000-09-07 23:06:59',2);
- INSERT INTO t1 VALUES ('user_2','somepassword','N',2,2,1.4142135623731,'2000-09-07','23:06:59','2000-09-07 23:06:59',3);
- INSERT INTO t1 VALUES ('user_3','somepassword','Y',3,3,1.7320508075689,'2000-09-07','23:06:59','2000-09-07 23:06:59',4);
- INSERT INTO t1 VALUES ('user_4','somepassword','N',4,4,2,'2000-09-07','23:06:59','2000-09-07 23:06:59',5);
- select user_name, password , subscribed, user_id, quota, weight, access_date, access_time, approved, dummy_primary_key from t1 order by user_name;
- user_name password subscribed user_id quota weight access_date access_time approved dummy_primary_key
- user_0 somepassword N 0 0 0 2000-09-07 23:06:59 2000-09-07 23:06:59 1
- user_1 somepassword Y 1 1 1 2000-09-07 23:06:59 2000-09-07 23:06:59 2
- user_2 somepassword N 2 2 1.4142135623731 2000-09-07 23:06:59 2000-09-07 23:06:59 3
- user_3 somepassword Y 3 3 1.7320508075689 2000-09-07 23:06:59 2000-09-07 23:06:59 4
- user_4 somepassword N 4 4 2 2000-09-07 23:06:59 2000-09-07 23:06:59 5
- drop table t1;
- CREATE TABLE t1 (
- id int(11) NOT NULL auto_increment,
- parent_id int(11) DEFAULT '0' NOT NULL,
- level tinyint(4) DEFAULT '0' NOT NULL,
- KEY (id),
- KEY parent_id (parent_id),
- KEY level (level)
- ) engine=bdb;
- INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1);
- INSERT INTO t1 values (179,5,2);
- update t1 set parent_id=parent_id+100;
- select * from t1 where parent_id=102;
- id parent_id level
- 8 102 2
- 9 102 2
- 15 102 2
- update t1 set id=id+1000;
- update t1 set id=1024 where id=1009;
- select * from t1;
- id parent_id level
- 1001 100 0
- 1003 101 1
- 1004 101 1
- 1008 102 2
- 1024 102 2
- 1017 103 2
- 1022 104 2
- 1024 104 2
- 1028 105 2
- 1029 105 2
- 1030 105 2
- 1031 106 2
- 1032 106 2
- 1033 106 2
- 1203 107 2
- 1202 107 2
- 1020 103 2
- 1157 100 0
- 1193 105 2
- 1040 107 2
- 1002 101 1
- 1015 102 2
- 1006 101 1
- 1034 106 2
- 1035 106 2
- 1016 103 2
- 1007 101 1
- 1036 107 2
- 1018 103 2
- 1026 105 2
- 1027 105 2
- 1183 104 2
- 1038 107 2
- 1025 105 2
- 1037 107 2
- 1021 104 2
- 1019 103 2
- 1005 101 1
- 1179 105 2
- update ignore t1 set id=id+1;
- select * from t1;
- id parent_id level
- 1002 100 0
- 1004 101 1
- 1005 101 1
- 1009 102 2
- 1025 102 2
- 1018 103 2
- 1023 104 2
- 1025 104 2
- 1029 105 2
- 1030 105 2
- 1031 105 2
- 1032 106 2
- 1033 106 2
- 1034 106 2
- 1204 107 2
- 1203 107 2
- 1021 103 2
- 1158 100 0
- 1194 105 2
- 1041 107 2
- 1003 101 1
- 1016 102 2
- 1007 101 1
- 1035 106 2
- 1036 106 2
- 1017 103 2
- 1008 101 1
- 1037 107 2
- 1019 103 2
- 1027 105 2
- 1028 105 2
- 1184 104 2
- 1039 107 2
- 1026 105 2
- 1038 107 2
- 1022 104 2
- 1020 103 2
- 1006 101 1
- 1180 105 2
- update ignore t1 set id=1023 where id=1010;
- select * from t1 where parent_id=102;
- id parent_id level
- 1009 102 2
- 1025 102 2
- 1016 102 2
- explain select level from t1 where level=1;
- id select_type table type possible_keys key key_len ref rows Extra
- 1 SIMPLE t1 ref level level 1 const 1 Using where; Using index
- select level,id from t1 where level=1;
- level id
- 1 1004
- 1 1005
- 1 1003
- 1 1007
- 1 1008
- 1 1006
- select level,id,parent_id from t1 where level=1;
- level id parent_id
- 1 1004 101
- 1 1005 101
- 1 1003 101
- 1 1007 101
- 1 1008 101
- 1 1006 101
- select level,id from t1 where level=1 order by id;
- level id
- 1 1003
- 1 1004
- 1 1005
- 1 1006
- 1 1007
- 1 1008
- delete from t1 where level=1;
- select * from t1;
- id parent_id level
- 1002 100 0
- 1009 102 2
- 1025 102 2
- 1018 103 2
- 1023 104 2
- 1025 104 2
- 1029 105 2
- 1030 105 2
- 1031 105 2
- 1032 106 2
- 1033 106 2
- 1034 106 2
- 1204 107 2
- 1203 107 2
- 1021 103 2
- 1158 100 0
- 1194 105 2
- 1041 107 2
- 1016 102 2
- 1035 106 2
- 1036 106 2
- 1017 103 2
- 1037 107 2
- 1019 103 2
- 1027 105 2
- 1028 105 2
- 1184 104 2
- 1039 107 2
- 1026 105 2
- 1038 107 2
- 1022 104 2
- 1020 103 2
- 1180 105 2
- drop table t1;
- CREATE TABLE t1 (
- sca_code char(6) NOT NULL,
- cat_code char(6) NOT NULL,
- sca_desc varchar(50),
- lan_code char(2) NOT NULL,
- sca_pic varchar(100),
- sca_sdesc varchar(50),
- sca_sch_desc varchar(16),
- PRIMARY KEY (sca_code, cat_code, lan_code),
- INDEX sca_pic (sca_pic)
- ) engine = bdb ;
- INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca_sch_desc) VALUES ( 'PD', 'J', 'PENDANT', 'EN', NULL, NULL, 'PENDANT'),( 'RI', 'J', 'RING', 'EN', NULL, NULL, 'RING'),( 'QQ', 'N', 'RING', 'EN', 'not null', NULL, 'RING');
- select count(*) from t1 where sca_code = 'PD';
- count(*)
- 1
- select count(*) from t1 where sca_code <= 'PD';
- count(*)
- 1
- select count(*) from t1 where sca_pic is null;
- count(*)
- 2
- alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic);
- select count(*) from t1 where sca_code='PD' and sca_pic is null;
- count(*)
- 1
- select count(*) from t1 where cat_code='E';
- count(*)
- 0
- alter table t1 drop index sca_pic, add index (sca_pic, cat_code);
- select count(*) from t1 where sca_code='PD' and sca_pic is null;
- count(*)
- 1
- select count(*) from t1 where sca_pic >= 'n';
- count(*)
- 1
- select sca_pic from t1 where sca_pic is null;
- sca_pic
- NULL
- NULL
- update t1 set sca_pic="test" where sca_pic is null;
- delete from t1 where sca_code='pd';
- drop table t1;
- set @a:=now();
- CREATE TABLE t1 (a int not null, b timestamp not null, primary key (a)) engine=bdb;
- insert into t1 (a) values(1),(2),(3);
- select t1.a from t1 natural join t1 as t2 where t1.b >= @a order by t1.a;
- a
- 1
- 2
- 3
- update t1 set a=5 where a=1;
- select a from t1;
- a
- 2
- 3
- 5
- drop table t1;
- flush logs;
- create table t1 (b blob, i int, key (b(100)), key (i), key (i, b(20))) engine=bdb;
- insert into t1 values ('this is a blob', 1), (null, -1), (null, null),("",1),("",2),("",3);
- select b from t1 where b = 'this is a blob';
- b
- this is a blob
- select * from t1 where b like 't%';
- b i
- this is a blob 1
- select b, i from t1 where b is not null;
- b i
- this is a blob 1
- 1
- 2
- 3
- select * from t1 where b is null and i > 0;
- b i
- select * from t1 where i is NULL;
- b i
- NULL NULL
- update t1 set b='updated' where i=1;
- select * from t1;
- b i
- updated 1
- NULL -1
- NULL NULL
- updated 1
- 2
- 3
- drop table t1;
- create table t1 (a varchar(100) not null, primary key(a), b int not null) engine=bdb;
- insert into t1 values("hello",1),("world",2);
- select * from t1 order by b desc;
- a b
- world 2
- hello 1
- optimize table t1;
- Table Op Msg_type Msg_text
- test.t1 optimize status OK
- show keys from t1;
- Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
- t1 0 PRIMARY 1 a A 2 NULL NULL BTREE
- drop table t1;
- create table t1 (i int, j int )ENGINE=BDB;
- insert into t1 values (1,2);
- select * from t1 where i=1 and j=2;
- i j
- 1 2
- create index ax1 on t1 (i,j);
- select * from t1 where i=1 and j=2;
- i j
- 1 2
- drop table t1;
- create table t1
- (
- branch_id int auto_increment primary key,
- branch_name varchar(255) not null,
- branch_active int not null default 1,
- unique branch_name(branch_name),
- index branch_active(branch_active)
- ) engine=bdb;
- create table t2
- (
- target_id int auto_increment primary key,
- target_name varchar(255) not null,
- target_active int not null default 1,
- unique target_name(target_name),
- index target_active(target_active)
- ) engine=bdb;
- create table t3
- (
- platform_id int auto_increment primary key,
- platform_name varchar(255) not null,
- platform_active int not null default 1,
- unique platform_name(platform_name),
- index platform_active(platform_active)
- ) engine=bdb;
- create table t4
- (
- product_id int auto_increment primary key,
- product_name varchar(255) not null,
- version_file varchar(255) not null,
- product_active int not null default 1,
- unique product_name(product_name),
- index product_active(product_active)
- ) engine=bdb;
- create table t5
- (
- product_file_id int auto_increment primary key,
- product_id int not null,
- file_name varchar(255) not null,
- /* cvs module used to find the file version */
- module_name varchar(255) not null,
- /* flag whether the file is still included in the product */
- file_included int not null default 1,
- unique product_file(product_id,file_name),
- index file_included(file_included)
- ) engine=bdb;
- create table t6
- (
- file_platform_id int auto_increment primary key,
- product_file_id int not null,
- platform_id int not null,
- branch_id int not null,
- /* filename in the build system */
- build_filename varchar(255) not null,
- /* default filename in the build archive */
- archive_filename varchar(255) not null,
- unique file_platform(product_file_id,platform_id,branch_id)
- ) engine=bdb;
- create table t8
- (
- archive_id int auto_increment primary key,
- branch_id int not null,
- target_id int not null,
- platform_id int not null,
- product_id int not null,
- status_id int not null default 1,
- unique archive(branch_id,target_id,platform_id,product_id),
- index status_id(status_id)
- ) engine=bdb;
- create table t7
- (
- build_id int auto_increment primary key,
- branch_id int not null,
- target_id int not null,
- build_number int not null,
- build_date date not null,
- /* build system tag, e.g. 'rmanight-022301-1779' */
- build_tag varchar(255) not null,
- /* path relative to the build archive root, e.g. 'current' */
- build_path text not null,
- unique build(branch_id,target_id,build_number)
- ) engine=bdb;
- insert into t1 (branch_name)
- values ('RealMedia');
- insert into t1 (branch_name)
- values ('RP8REV');
- insert into t1 (branch_name)
- values ('SERVER_8_0_GOLD');
- insert into t2 (target_name)
- values ('rmanight');
- insert into t2 (target_name)
- values ('playerall');
- insert into t2 (target_name)
- values ('servproxyall');
- insert into t3 (platform_name)
- values ('linux-2.0-libc6-i386');
- insert into t3 (platform_name)
- values ('win32-i386');
- insert into t4 (product_name, version_file)
- values ('realserver', 'servinst');
- insert into t4 (product_name, version_file)
- values ('realproxy', 'prxyinst');
- insert into t4 (product_name, version_file)
- values ('realplayer', 'playinst');
- insert into t4 (product_name, version_file)
- values ('plusplayer', 'plusinst');
- create temporary table tmp1
- select branch_id, target_id, platform_id, product_id
- from t1, t2, t3, t4 ;
- create temporary table tmp2
- select tmp1.branch_id, tmp1.target_id, tmp1.platform_id, tmp1.product_id
- from tmp1 left join t8
- using (branch_id,target_id,platform_id,product_id)
- where t8.archive_id is null ;
- insert into t8
- (branch_id, target_id, platform_id, product_id, status_id)
- select branch_id, target_id, platform_id, product_id, 1
- from tmp2 ;
- drop table tmp1 ;
- drop table tmp2 ;
- insert into t5 (product_id, file_name, module_name)
- values (1, 'servinst', 'server');
- insert into t5 (product_id, file_name, module_name)
- values (2, 'prxyinst', 'server');
- insert into t5 (product_id, file_name, module_name)
- values (3, 'playinst', 'rpapp');
- insert into t5 (product_id, file_name, module_name)
- values (4, 'plusinst', 'rpapp');
- insert into t6
- (product_file_id,platform_id,branch_id,build_filename,archive_filename)
- values (1, 2, 3, 'servinst.exe', 'win32-servinst.exe');
- insert into t6
- (product_file_id,platform_id,branch_id,build_filename,archive_filename)
- values (1, 1, 3, 'v80_linux-2.0-libc6-i386_servinst.bin', 'linux2-servinst.exe');
- insert into t6
- (product_file_id,platform_id,branch_id,build_filename,archive_filename)
- values (3, 2, 2, 'playinst.exe', 'win32-playinst.exe');
- insert into t6
- (product_file_id,platform_id,branch_id,build_filename,archive_filename)
- values (4, 2, 2, 'playinst.exe', 'win32-playinst.exe');
- insert into t7
- (branch_id,target_id,build_number,build_tag,build_date,build_path)
- values (2, 2, 1071, 'playerall-022101-1071', '2001-02-21', 'current');
- insert into t7
- (branch_id,target_id,build_number,build_tag,build_date,build_path)
- values (2, 2, 1072, 'playerall-022201-1072', '2001-02-22', 'current');
- insert into t7
- (branch_id,target_id,build_number,build_tag,build_date,build_path)
- values (3, 3, 388, 'servproxyall-022201-388', '2001-02-22', 'current');
- insert into t7
- (branch_id,target_id,build_number,build_tag,build_date,build_path)
- values (3, 3, 389, 'servproxyall-022301-389', '2001-02-23', 'current');
- insert into t7
- (branch_id,target_id,build_number,build_tag,build_date,build_path)
- values (4, 4, 100, 'foo target-010101-100', '2001-01-01', 'current');
- update t8
- set status_id=2
- where branch_id=2 and target_id=2 and platform_id=2 and product_id=1;
- select t7.build_path
- from
- t1,
- t7,
- t2,
- t3,
- t4,
- t5,
- t6
- where
- t7.branch_id = t1.branch_id and
- t7.target_id = t2.target_id and
- t5.product_id = t4.product_id and
- t6.product_file_id = t5.product_file_id and
- t6.platform_id = t3.platform_id and
- t6.branch_id = t6.branch_id and
- t7.build_id = 1 and
- t4.product_id = 3 and
- t5.file_name = 'playinst' and
- t3.platform_id = 2;
- build_path
- current
- drop table t1, t2, t3, t4, t5, t6, t7, t8;
- CREATE TABLE t1 (
- a tinytext NOT NULL,
- b tinyint(3) unsigned NOT NULL default '0',
- PRIMARY KEY (a(32),b)
- ) ENGINE=BDB;
- INSERT INTO t1 VALUES ('a',1),('a',2);
- SELECT * FROM t1 WHERE a='a' AND b=2;
- a b
- a 2
- SELECT * FROM t1 WHERE a='a' AND b in (2);
- a b
- a 2
- SELECT * FROM t1 WHERE a='a' AND b in (1,2);
- a b
- a 1
- a 2
- drop table t1;
- CREATE TABLE t1 (
- a int3 unsigned NOT NULL,
- b int1 unsigned NOT NULL,
- UNIQUE (a, b)
- ) ENGINE = BDB;
- INSERT INTO t1 VALUES (1, 1);
- SELECT MIN(B),MAX(b) FROM t1 WHERE t1.a = 1;
- MIN(B) MAX(b)
- 1 1
- drop table t1;
- create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=bdb;
- insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL');
- LOCK TABLES t1 WRITE;
- insert into t1 values (99,1,2,'D'),(1,1,2,'D');
- ERROR 23000: Duplicate entry '1-1' for key 1
- select id from t1;
- id
- 0
- 1
- 2
- select id from t1;
- id
- 0
- 1
- 2
- UNLOCK TABLES;
- DROP TABLE t1;
- create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=bdb;
- insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL');
- LOCK TABLES t1 WRITE;
- begin;
- insert into t1 values (99,1,2,'D'),(1,1,2,'D');
- ERROR 23000: Duplicate entry '1-1' for key 1
- select id from t1;
- id
- 0
- 1
- 2
- insert ignore into t1 values (100,1,2,'D'),(1,1,99,'D');
- commit;
- select id,id3 from t1;
- id id3
- 0 0
- 1 1
- 2 2
- 100 2
- UNLOCK TABLES;
- DROP TABLE t1;
- CREATE TABLE t1 (SYAIN_NO char(5) NOT NULL default '', KINMU_DATE char(6) NOT NULL default '', PRIMARY KEY (SYAIN_NO,KINMU_DATE)) ENGINE=BerkeleyDB;
- CREATE TABLE t2 ( SYAIN_NO char(5) NOT NULL default '',STR_DATE char(8) NOT NULL default '',PRIMARY KEY (SYAIN_NO,STR_DATE) ) ENGINE=BerkeleyDB;
- select T1.KINMU_DATE from t1 T1 ,t2 T2 where T1.SYAIN_NO = '12345' and T1.KINMU_DATE = '200106' and T2.SYAIN_NO = T1.SYAIN_NO;
- KINMU_DATE
- select T1.KINMU_DATE from t1 T1 ,t2 T2 where T1.SYAIN_NO = '12345' and T1.KINMU_DATE = '200106' and T2.SYAIN_NO = T1.SYAIN_NO;
- KINMU_DATE
- DROP TABLE t1,t2;
- create table t1 (a int(11) not null, b int(11) not null, unique (a,b)) engine=bdb;
- insert into t1 values (1,1), (1,2);
- select * from t1 where a = 1;
- a b
- 1 1
- 1 2
- select t1.*, t2.* from t1, t1 t2 where t1.a = t2.a and t2.a = 1;
- a b a b
- 1 1 1 1
- 1 1 1 2
- 1 2 1 1
- 1 2 1 2
- select * from t1 where a = 1;
- a b
- 1 1
- 1 2
- drop table t1;
- create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=bdb;
- insert into t1 values (0,0,0,'ABCDEFGHIJ');
- create table t2 (id int NOT NULL,primary key (id)) engine=bdb;
- LOCK TABLES t1 WRITE, t2 WRITE;
- insert into t2 values(1);
- SELECT t1.* FROM t1 WHERE id IN (1);
- id id2 id3 dummy1
- SELECT t1.* FROM t2 left outer join t1 on (t1.id=t2.id);
- id id2 id3 dummy1
- NULL NULL NULL NULL
- delete from t1 where id3 >= 0 and id3 <= 0;
- drop table t1,t2;
- CREATE TABLE t1 (i varchar(48) NOT NULL default '', p varchar(255) default NULL,s varchar(48) NOT NULL default '', PRIMARY KEY (i), UNIQUE(p,s)) ENGINE=BDB;
- INSERT INTO t1 VALUES ('00000000-e6c4ddeaa6-003b8-83458387','programs/xxxxxxxx.wmv','00000000-e6c4ddeb32-003bc-83458387');
- SELECT * FROM t1 WHERE p='programs/xxxxxxxx.wmv';
- i p s
- 00000000-e6c4ddeaa6-003b8-83458387 programs/xxxxxxxx.wmv 00000000-e6c4ddeb32-003bc-83458387
- drop table t1;
- CREATE TABLE t1 ( STR_DATE varchar(8) NOT NULL default '',INFO_NOTE varchar(200) default NULL,PRIMARY KEY (STR_DATE) ) ENGINE=BerkeleyDB;
- select INFO_NOTE from t1 where STR_DATE = '20010610';
- INFO_NOTE
- select INFO_NOTE from t1 where STR_DATE < '20010610';
- INFO_NOTE
- select INFO_NOTE from t1 where STR_DATE > '20010610';
- INFO_NOTE
- drop table t1;
- create table t1 (a int not null, b int, primary key (a)) engine =bdb;
- create table t2 (a int not null, b int, primary key (a)) engine =bdb;
- insert into t1 values (2, 3),(1, 7),(10, 7);
- insert into t2 values (2, 3),(1, 7),(10, 7);
- select * from t1;
- a b
- 1 7
- 2 3
- 10 7
- select * from t2;
- a b
- 1 7
- 2 3
- 10 7
- delete t1, t2 from t1, t2 where t1.a = t2.a;
- select * from t1;
- a b
- select * from t2;
- a b
- select * from t2;
- a b
- drop table t1,t2;
- create table t1 (x int not null, index(x)) engine=bdb;
- insert into t1 values (1), (2), (3), (4), (5), (6), (7), (8), (9), (10);
- select * from t1 where x <= 10 and x >= 7;
- x
- 7
- 8
- 9
- 10
- select * from t1 where x <= 10 and x >= 7 order by x;
- x
- 7
- 8
- 9
- 10
- select * from t1 where x <= 10 and x >= 7 order by x desc;
- x
- 10
- 9
- 8
- 7
- select * from t1 where x <= 8 and x >= 5 order by x desc;
- x
- 8
- 7
- 6
- 5
- select * from t1 where x < 8 and x > 5 order by x desc;
- x
- 7
- 6
- drop table t1;
- create table t1 ( c char(8) not null ) engine=bdb;
- insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9');
- insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F');
- alter table t1 add b char(8) not null;
- alter table t1 add a char(8) not null;
- alter table t1 add primary key (a,b,c);
- update t1 set a=c, b=c;
- create table t2 (c char(8) not null, b char(8) not null, a char(8) not null, primary key(a,b,c)) engine=bdb;
- insert into t2 select * from t1;
- delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b;
- drop table t1,t2;
- create table t1 (a char(10), key(a), b int not null, key(b)) engine=bdb;
- insert into t1 values ('a',1),('A',2);
- explain select a from t1;
- id select_type table type possible_keys key key_len ref rows Extra
- 1 SIMPLE t1 ALL NULL NULL NULL NULL 2
- select a from t1;
- a
- a
- A
- explain select b from t1;
- id select_type table type possible_keys key key_len ref rows Extra
- 1 SIMPLE t1 index NULL b 4 NULL 2 Using index
- select b from t1;
- b
- 1
- 2
- alter table t1 modify a char(10) binary;
- explain select a from t1;
- id select_type table type possible_keys key key_len ref rows Extra
- 1 SIMPLE t1 index NULL a 11 NULL 2 Using index
- select a from t1;
- a
- A
- a
- drop table t1;
- create table t1(
- pk1 text not null, pk2 text not null, pk3 char(4),
- key1 int, key2 int,
- primary key(pk1(4), pk2(4), pk3), key(key1), key(key2)
- ) engine=bdb;
- insert into t1 values (concat('aaa-', repeat('A', 4000)),
- concat('eee-', repeat('e', 4000)), 'a++a', 1, 1);
- insert into t1 values (concat('bbb-', repeat('B', 4000)),
- concat('ggg-', repeat('G', 4000)), 'b++b', 1, 1);
- select substring(pk1, 1, 4), substring(pk1, 4001),
- substring(pk2, 1, 4), substring(pk2, 4001), pk3, key1, key2
- from t1 force index(key1, key2) where key1 < 3 or key2 < 3;
- substring(pk1, 1, 4) substring(pk1, 4001) substring(pk2, 1, 4) substring(pk2, 4001) pk3 key1 key2
- aaa- AAAA eee- eeee a++a 1 1
- bbb- BBBB ggg- GGGG b++b 1 1
- drop table t1;
- create table t1 (
- pk1 varchar(8) not null default '',
- pk2 varchar(4) not null default '',
- key1 int(11) default null,
- key2 int(11) default null,
- primary key (pk1,pk2),
- key key1 (key1),
- key key2 (key2)) engine=bdb;
- insert into t1 values ('','empt',2,2), ('a','a--a',2,2),
- ('bb','b--b',2,2), ('ccc','c--c',2,2), ('dddd','d--d',2,2);
- select * from t1 force index(key1, key2) where key1 < 3 or key2 < 3;
- pk1 pk2 key1 key2
- empt 2 2
- a a--a 2 2
- bb b--b 2 2
- ccc c--c 2 2
- dddd d--d 2 2
- drop table t1;
- set autocommit=0;
- create table t1(b varchar(30)) engine=bdb;
- insert into t1 values ('one');
- commit;
- select b FROM t1 outer_table where
- exists (select 'two' from t1 where 'two' = outer_table.b);
- b
- drop table t1;
- set autocommit=1;
- create table t1(a int primary key, b varchar(30)) engine=bdb;
- insert into t1 values (1,'one'), (2,'two'), (3,'three'), (4,'four');
- create table t2 like t1;
- insert t2 select * from t1;
- select a from t1 where a in (select a from t2);
- a
- 1
- 2
- 3
- 4
- delete from t2;
- insert into t2 (a, b)
- select a, b from t1 where (a, b) in (select a, b from t1);
- select * from t2;
- a b
- 1 one
- 2 two
- 3 three
- 4 four
- drop table t1, t2;
- create table t1 (a int, b varchar(30), primary key(a)) engine = bdb;
- insert into t1 values (1,'one');
- commit;
- truncate t1;
- select * from t1;
- a b
- drop table t1;
- SET NAMES utf8;
- create table t1 (a varchar(255) character set utf8) engine=bdb;
- set @a:= convert(repeat(_latin1 0xFF, 255) using utf8);
- insert into t1 values (@a);
- select a, length(a), char_length(a) from t1;
- a length(a) char_length(a)
- ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ 510 255
- drop table t1;
- SET NAMES latin1;
- CREATE TABLE t1 (
- id int unsigned NOT NULL auto_increment,
- list_id smallint unsigned NOT NULL,
- term TEXT NOT NULL,
- PRIMARY KEY(id),
- INDEX(list_id, term(4))
- ) ENGINE=BDB CHARSET=utf8;
- INSERT INTO t1 SET list_id = 1, term = "letterc";
- INSERT INTO t1 SET list_id = 1, term = "letterb";
- INSERT INTO t1 SET list_id = 1, term = "lettera";
- INSERT INTO t1 SET list_id = 1, term = "letterd";
- SELECT id FROM t1 WHERE (list_id = 1) AND (term = "letterc");
- id
- 1
- SELECT id FROM t1 WHERE (list_id = 1) AND (term = "letterb");
- id
- 2
- SELECT id FROM t1 WHERE (list_id = 1) AND (term = "lettera");
- id
- 3
- SELECT id FROM t1 WHERE (list_id = 1) AND (term = "letterd");
- id
- 4
- DROP TABLE t1;