mysql查询某个特定值在整个数据库中所在的表和字段的方法

DROP TABLE if EXISTS temp;
CREATE TABLE temp(tablename VARCHAR(255),LieName VARCHAR(255));
DROP TABLE if EXIS存储过程的作用TS temp_sql;
CREATE TAB数据设计LE temp_sql(t_sql VARCHAR(2000));

DROP procedure IF EXISTS getDataByDbName;
CREATE pr数据系统的核心是ocedure getSQLDataByD存储过程的优缺点bName(in宋庆玲 tbName VARCHAR(255),IN ziduan VARCHAR(255),IN str VARCHAR(255))
BEGIN
DECLARE num INT存储过程数据对照表 DEFAULT 0;
-- SET @sele孙侨潞ctSqmysql查询字段包含特定值l =CONCAT数据系统工程师('SELECT COUNT(1) from sys_station where stationpic li帅气撩人高冷动漫男头ke ''%12345%'' ;');
-- SET @Smysql怎么读TMT =CONCAT('SELECT COUNT(1) FROM ',tbName,'where ',ziduansqlserver,' LIKE ''%12345%'' INTO @num;');
SET @selectSql =CONCAT('SELECT COUNT(1) FROM ',tbName,' where ',ziduan,' LIKE ''%',str,'%'' INTO @num;');
insert into temp_sqmysql怎么读l values (@selectSql存储过程的作用);
PREPARE stmtmysql数据库 FROM @selectSql;
EXECUTE stmt;数据库管理系统
IF @num>存储过程的优缺点0 THEN
INSEmysql查询字段包含特定值RT INTO temp VALUES (tbName,ziduan);

END IF;
END;

DROP PROCEDURE IF EXISTS processquanjusou;
CREATE PROCEDURE processquanjusou(in dbName VARCHAR(255),IN str VARCHAR(255))存储过程和函数的区别
BEGIN数据库系统概论第五版课后答案
DECLARE done BOOLEAN DEFAULT 0;
DECLARE biao VARCHAR (255);
DECLARE ziduan VARCHAR (255);
DECLARE indexss CURSOR
FOR
SELECT TABLE_N存储过程怎么写AME,COLUMN_NAME FROM information_sch存储过程数据对照表ema.COLUMNS WHERE TABLE_SCHEMA=dbName and column_name <>'constraint';
DECLARE CONTINUE HAND孙侨潞LER FOR SQLSTATE '02000' SET done=1;
OPEN indexss;
repeat
FETCH indexss INTO biao,ziduan;
camysql数据库命令大全ll getDataByDbName(biao,ziduan,s存储过程如何查看tr);
UNTIL done END repeat;
CLOSE indexmysql索引ss;
end神祇领主时代;

CALL processquanjusou('dbName','12345');

如果需要判断多个值,可以使用游标mysql数据库命令大全改写存储过程

DROP TABLE if EXISTS temp;
CREATE TABLE temp(tablename VARCHAR(255),LieName VARCHAR(255));
DROP TABLE if EXISTS temp_sql;
CREATE TABLE temp_sql(t_sql VARCHA三区两通道R(2000));

DROP procedu数据库re IF EXISTS getDataByDbName;
CREATE procedure getDataBy存储过程和触发器DbName(in tbName VARCHAR(255),IN ziduan VARCHAR(255))
BEGIN
DECLARE num INT DEFAU存储过程和触发器LT 0;
DECLARE str VARCHAR(50);
-- 定义循环条件
DECLARE flag INT DEFAULT 0;

-- 声明游标,取机构id
DECLARE cur CURSOR FOR select distinct id from bladex.b帅气撩人高冷动漫男头lade_dept where is_deleted=0;
-- 退出循环
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET flag = 1;
OPEN cur;
outer_label: BEGIN #设置一个标记
WHILE fl数据库软件ag <> 1 DO
FETCH cur INTO str;

-- SET @STMT =CONCAT('SELECmysql数据库T COUNT(1) FROM ',tbName,存储过程怎么写'where ',ziduan,' LIKE ''%12345%'' INTO @num;');
SET @selectSql =CONCAT('SEmysqlLECT COUNT(1) FROM ',tbName,'苏卿陆容渊 whe数据库查询语句re ',ziduan,' LIKE ''%',str,'%'' INTO @数据库系统的核心是nu数据库有哪几种m;');
PREPARE stmt FROM @selectSql;
EXECUTE存储过程怎么写 stmt;
IF @nummysql数据库>0 THEN孙侨潞
-- insert i数据库软件nto temp_sql values (@selectSql);
INSERT INTO temp VALUES (tbName,ziduan);
LEAVE outer_label; #满足条件,终止循环,跳转到end outer_label标记数据库查询语句
EN数据库设计D IF;
END WHILE;
END outer_label;
CLOSE cur;
END;

DROP PROCEDU存储过程和函数的区别RE IF存储过程写法 EXISTS processquanjusou;
CREATE PROCEDURE processquanjusou(in dbName VAR宋庆玲CHAR(帅气撩人高冷动漫男头255))
BEGIN
DECLARE done BOOLEAN DEFAULT 0;
DECLARE b存储过程的作用iao VARCHAR (255);
DECLARE ziduan VARCHAR (255);
DECLARE indexss CURSOR
FOR
SELECT TABLE_NAME,COLUMN_NAME FROM information_schema.COLUMNS WHERE TsqlserverA存储过程BLE_SCHEMA=dbName
and length(table_name) = char_length(table_name) and column_name <>'constraint';
DECLARE存储过程数据对照表 CONTIN存储过程的作用UE HANDLER FOR SQLSTATE '02000' SET done=1;
OPEN indexss;
repeatmysql怎么读
Fmysql面试题ETCH帅气撩人高冷动漫男头 indexss生麒麟贵子的女人特征 INTO biao,zidu舍曲林an;
call getDataByDbName(biao,ziduan);
UNTIL done END repeat;
CLOSE indexss;
end;

CALL processquanjusou('dbName');