/*

對(duì)*dt庫(kù)下的所有數(shù)據(jù)表刪除docuemttype為空和documenttype為MD,PD,ET的數(shù)據(jù)：

delete from 表名 where length(documenttype)<2 or documenttype is null or documenttype in ('et','md','pd');

*/

DELIMITER $$

USE `數(shù)據(jù)庫(kù)名稱1`$$

DROP PROCEDURE IF EXISTS `存儲(chǔ)過(guò)程名稱1`$$

CREATE PROCEDURE `存儲(chǔ)過(guò)程名稱1`()

BEGIN

DECLARE str varchar(40);

DECLARE Done INT DEFAULT 0;

DECLARE rs CURSOR FOR SELECT table_name FROM INFORMATION_SCHEMA.TABLES WHERE table_schema = '數(shù)據(jù)庫(kù)名稱1';

/* 異常處理 */

DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET Done = 1;

/* 打開游標(biāo) */

OPEN rs;

/* 逐個(gè)取出當(dāng)前記錄userId字段的值*/

FETCH NEXT FROM rs INTO str;

/* 遍歷數(shù)據(jù)表 */

REPEAT

delete from str where length(documenttype)<2 or documenttype is null or documenttype in ('et','md','pd');

FETCH NEXT FROM rs INTO str;

UNTIL Done END REPEAT;

/* 關(guān)閉游標(biāo) */

CLOSE rs;

END$$

DELIMITER ;

use 數(shù)據(jù)庫(kù)名稱1;

call 存儲(chǔ)過(guò)程名稱1;

/*

對(duì)*sd庫(kù)下的所有數(shù)據(jù)表刪除docuemttype不為空的數(shù)據(jù)

delete from 表名 where length(documenttype)>1;

*/

DELIMITER $$

USE `數(shù)據(jù)庫(kù)名稱2`$$

DROP PROCEDURE IF EXISTS `存儲(chǔ)過(guò)程名稱2`$$

CREATE PROCEDURE `存儲(chǔ)過(guò)程名稱2`()

BEGIN

DECLARE str varchar(40);

DECLARE Done INT DEFAULT 0;

DECLARE rs CURSOR FOR SELECT table_name FROM INFORMATION_SCHEMA.TABLES WHERE table_schema = '數(shù)據(jù)庫(kù)名稱2';

/* 異常處理 */

DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET Done = 1;

/* 打開游標(biāo) */

OPEN rs;

/* 逐個(gè)取出當(dāng)前記錄userId字段的值*/

FETCH NEXT FROM rs INTO str;

/* 遍歷數(shù)據(jù)表 */

REPEAT

delete from str where length(documenttype)>1;

FETCH NEXT FROM rs INTO str;

UNTIL Done END REPEAT;

/* 關(guān)閉游標(biāo) */

CLOSE rs;

END$$

DELIMITER ;

use 數(shù)據(jù)庫(kù)名稱2;

call 存儲(chǔ)過(guò)程名稱2;

/*

對(duì)*et庫(kù)下的所有數(shù)據(jù)表刪除非學(xué)位論文數(shù)據(jù)：

delete from 表名 where length(doucmenttype)='' or documenttype is null or documenttype not in ('et','md','pd');

*/

DELIMITER $$

USE `數(shù)據(jù)庫(kù)名稱3`$$

DROP PROCEDURE IF EXISTS `存儲(chǔ)過(guò)程名稱3`$$

CREATE PROCEDURE `存儲(chǔ)過(guò)程名稱3`()

BEGIN

DECLARE str varchar(40);

DECLARE Done INT DEFAULT 0;

DECLARE rs CURSOR FOR SELECT table_name FROM INFORMATION_SCHEMA.TABLES WHERE table_schema = '數(shù)據(jù)庫(kù)名稱3';

/* 異常處理 */

DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET Done = 1;

/* 打開游標(biāo) */

OPEN rs;

/* 逐個(gè)取出當(dāng)前記錄userId字段的值*/

FETCH NEXT FROM rs INTO str;

/* 遍歷數(shù)據(jù)表 */

REPEAT

delete from str where length(doucmenttype)='' or documenttype is null or documenttype not in ('et','md','pd');

FETCH NEXT FROM rs INTO str;

UNTIL Done END REPEAT;

/* 關(guān)閉游標(biāo) */

CLOSE rs;

END$$

DELIMITER ;

use 數(shù)據(jù)庫(kù)名稱3;

call 存儲(chǔ)過(guò)程名稱3;

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TAG標(biāo)簽：數(shù)據(jù)庫(kù)數(shù)據(jù)表

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