数据库|mysql教程
MySQL,存储,过程中,执行,动态,SQL,语句,详细,内
数据库-mysql教程
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无详细内容 MySQL mysqlmysql delimiter $$mysqlmysql CREATE PROCEDURE set_col_value – (in_table VARCHAR(128), – in_column VARCHAR(128), – in_new_value VARCHAR(1000), – in_where VARCHAR(4000)) – – BEGIN – DECLARE l_sql VARCHAR(4000); – SET l_s
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MySQL
.CodeEntity .code_pieces ul.piece_anchor{width:25px;position:absolute;top:25px;left:-30px;z-index:1000;}.CodeEntity .code_pieces ul.piece_anchor li{width:25px;background: #efe;margin-bottom:2px;}.CodeEntity .code_pieces ul.piece_anchor li{border-left:3px #40AA63 solid;border-right:3px #efe solid;}.CodeEntity .code_pieces ul.piece_anchor li:hover{border-right:3px #40AA63 solid;border-left:3px #efe solid;}.CodeEntity .code_pieces ul.piece_anchor li a{color: #333;padding: 3px 10px;}.CodeEntity .code_pieces .jump_to_code{visibility:hidden;position:relative;}.CodeEntity .code_pieces .code_piece:hover .jump_to_code{visibility:visible;}.CodeEntity .code_pieces .code_piece:hover .jump_to_code a{text-decoration:none;}.CodeEntity .code_pieces h2 i{float:right;font-style:normal;font-weight:normal;}.CodeEntity .code_pieces h2 i a{font-size:9pt;background: #FFFFFF;color:#00A;padding: 2px 5px;text-decoration:none;}
mysql>mysql> delimiter $$mysql>mysql> CREATE PROCEDURE set_col_value -> (in_tableVARCHAR(128), -> in_column VARCHAR(128), -> in_new_value VARCHAR(1000), -> in_whereVARCHAR(4000)) -> -> BEGIN -> DECLARE l_sql VARCHAR(4000); -> SET l_sql=CONCAT_ws( , ->UPDATE,in_table, -> SET,in_column,=,in_new_value, -> WHERE,in_where); -> SET @sql=l_sql; -> PREPARE s1 FROM @sql; -> EXECUTE s1; -> DEALLOCATE PREPARE s1; -> END$$Query OK, 0 rows affected (0.00 sec)
