INOUT输入输出参数:调用时指定,并且可被改变和返回 param_name:表示参数名称;type:表示参数类型 [characteristics...]指定存储过程的特性; routine_body是SQL代码的内容,可以用BEGIN...END来表示SQL代码的开始与结束 简单的存储过程示例: delimiter 1. (1)这里需要注意的是DELIMITER //和DELIMITER ;两句,DELIMITER是...
接下来,依然沿着干掉begin..end的方针,这次呢,我们转变sql,改成in操作。因为我们这个批处理操作的场景用in完全可以,这样也不用纠结多条update部分成功怎么办的情况。ok,问题暂时解决。 <update id="updateByTransBatchIdAndBankId" parameterType="java.util.List">update T_PLAT_ORDER set STATE= 1where ORDER_I...
一、语句块、注释和重置命令结束标记 1. 语句块 BEGIN SQL语句 | SQL语句块 END 说明: ① BEGIN…END语句块包含了该程序块的所有处理操作,允许语句块嵌套。 ②在MySQL中单独使用BEGIN…END语句块没有任何意义,只有将其封装在存储过程、存储函数、触发器等存储程序内部才有意义。 2. 注释 1)单行注释 使用“##...
抛了You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'declare start_time datetime default '2021-05-06 00:00:00'' at line 3这个异常告诉我sql语法错误...
# sqlstr = '''delimiter // # create procedure search_sc4()# begin # '''sqlstr = ''for x in range(1):sqlstr += "insert into test1 values (%s,'张三%s','%s');" % (x,x,x)x = x + 1 # sqlstr += '''# end //'''print(sqlstr)res = curs.execute(sqlstr)...
BEGIN...END blocks can be nested.Although all Transact-SQL statements are valid within a BEGIN...END block, certain Transact-SQL statements should not be grouped together within the same batch, or statement block.ExamplesIn the following example, BEGIN and END define a series of Transact-SQL ...
# sqlstr = '''delimiter // # create procedure search_sc4() # begin # ''' sqlstr='' forxinrange(1): sqlstr+="insert into test1 values (%s,'张三%s','%s');"%(x,x,x) x=x+1 # sqlstr += ''' # end //''' print(sqlstr) ...
SQL複製 -- A compound statement with local variables, and exit hanlder and a nested compound.>BEGINDECLAREaINTDEFAULT1;DECLAREbINTDEFAULT5;DECLAREEXITHANDLERFORDIVIDE_BY_ZERO div0:BEGINVALUES(15);ENDdiv0;SETa =10;SETa = b /0;VALUES(a);END; 15 ...
Examples: Azure Synapse Analytics and Analytics Platform System (PDW) In the following example,BEGINandENDdefine a series of SQL statements that run together. If theBEGIN...ENDblock are not included, the following example will be in a continuous loop. ...
BEGIN...END blocks can be nested. Although all Transact-SQL statements are valid within a BEGIN...END block, certain Transact-SQL statements shouldn't be grouped together within the same batch, or statement block. Examples In the following example, BEGIN and END define a series of Transact-...