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 bloc
Controllo di flusso BEGIN...END BREAK CONTINUE ELSE (IF...ELSE) END (BEGIN...END) GOTO IF...ELSE RETURN THROW TRY...CATCH WAITFOR WHILE Cursori Espressioni Operatori Transazioni Variabili Query Rendiconti xQuery Scarica in formato PDF Learn...
通常begin-end用于定义一组语句块,在各大数据库中的客户端工具中可直接调用,但在mysql中不可用。 begin-end、流程控制语句、局部变量只能用于函数、存储过程内部、游标、触发器的定义内部。 如何创建存储过程,具体可以点击查看我的这篇博客哦~ 链接:https://blog.csdn.net/weixin_43865008/article/details/116451722?
Assembly: Microsoft.SqlServer.TransactSql.ScriptDom.dll Package: Microsoft.SqlServer.TransactSql.ScriptDom v161.8901.0 Represents a group of statements that start with a BEGIN and end with an END keyword. C# 复制 [System.Serializable] public class BeginEndBlockStatement : Microsoft.SqlServer.Trans...
Namespace: Microsoft.SqlServer.TransactSql.ScriptDom Assembly: Microsoft.SqlServer.TransactSql.ScriptDom.dll Package: Microsoft.SqlServer.DacFx v150.5282.3 Represents a group of statements that start with a BEGIN and end with an END keyword....
START TRANSACTION、BEGIN语句都可以在mysql命令行下显式地开启一个事务。但是在存储过程中,MySQL分析会自动将BEGIN识别为BEGIN……END。因此在存储过程中,只能使用START TRANSACTION语句来开启一个事务。 COMMIT和COMMIT WORK语句基本是上一致的,都是用来提交事务。不同之处在于,COMMIT WORK用来控制事务结束后的行为,是CH...
Explicit transactions start with the BEGIN TRANSACTION statement and end with the COMMIT or ROLLBACK statement. Transact-SQL syntax conventions Syntax Syntax for SQL Server, Azure SQL Database, and Azure SQL Managed Instance. syntaxsql Copy BEGIN { TRAN | TRANSACTION } [ { transaction_name | ...
Explicit transactions start with the BEGIN TRANSACTION statement and end with the COMMIT or ROLLBACK statement. Transact-SQL syntax conventions Syntax Syntax for SQL Server, Azure SQL Database, and Azure SQL Managed Instance. syntaxsql Copy BEGIN { TRAN | TRANSACTION } [ { tran...
if @DISC_ID is not null and (@KEYIN is not null or @EDITNAME is not null or @COMMITNAME is not null) and @ISVALID=0 begin return --- 1 人工编辑过,目的表无效,则不转入 end INSERT INTO TRAN_DP_C..PK_SEQ_JL_TEXT(Y_OB_TEXTID,DISC_ID,DTITLE,DDECLAREDATE) ...
一、简介、Case When ELSE END共有两种用法: 说实话,这种就是数据库版的switch语句,但是只是形式上很像,实际上还是有差别的!!!...1、CASE WHEN THEN ELSE END 第一种用法 CASE(表达式) WHEN 值 THEN result1 WHEN 值...