T-SQL (Transact-SQL) is a set of programming extensions from Sybase and Microsoft that add several features to the Structured Query Language (SQL), including transaction control, exception and error handling, row processing and declared variables. All applications that communicate withSQL Serverdo so...
Instead, use a table variable or a memory-optimized table with DURABILITY=SCHEMA_ONLY. Feature DTC Memory-optimized tables and natively compiled stored procedures cannot be accessed from distributed transactions. Use SQL transactions instead. Feature EXECUTE WITH RECOMPILE The option WITH RECOMPILE is ...
SQL> define b='a'; SQL> define DEFINE _DATE ="01-4月 -08"(CHAR) DEFINE _CONNECT_IDENTIFIER ="db11"(CHAR) DEFINE _USER ="XYS"(CHAR) DEFINE _PRIVILEGE =""(CHAR) DEFINE _SQLPLUS_RELEASE ="1101000600"(CHAR) DEFINE _EDITOR ="Notepad"(CHAR) DEFINE _O_VERSION = "Oracle Database 11g...
Return messages that contain variable text.Note Using a PRINT statement is similar to raising an error of severity 10.Here is an example of a custom error message using RAISERROR.SQL Copy RAISERROR (N'%s %d', -- Message text, 10, -- Severity, 1, -- State, N'Custom error...
You can set the desired number of retries by changing the value assigned to the variable @retry at the beginning of the code; it is currently set to 2. After running the code in Figure 3 for the first time, examine the contents of ErrorLog. Note that the transaction completed ...
Define el desplazamiento de caracteres de la ubicación inicial de los fragmentos en el script que se ha analizado. Métodos Expandeix la taula Accept(TSqlFragmentVisitor) Acepta el visitante especificado. AcceptChildren(TSqlFragmentVisitor) Acepta el visitante especificado en los elementos secu...
There are two options for running dynamic SQL: use the EXECUTE command or the sp_executesql function. EXECUTE Command Use this option to run a command string within a T-SQL block, procedure, or function. You can also use the EXECUTE command with linked servers...
在命令行运行sql*plus是使用sqlplus命令来完成的,该命令适用于任何操作系统平台, 语法如下: sqlplus [username]/[password][@server] 如上所示:username用于指定数据库用户名,password用于指定用户口令,server则用于指定主机字符串(网络服务名).当连接到本地数据时,不需要提供网络服务名,如果要连接到远程数据库,则必须...
Referencia de Transact-SQL para usar la instrucción DECLARE para definir variables locales para su uso en un lote o un procedimiento.
SQL Server 2008 introduces several extensions to the GROUP BY clause that enable you to define multiple groupings in the same query. These extensions are: the GROUPING SETS, CUBE, and ROLLUP subclauses of the GROUP BY clause and the GROUPING_ID function. The new extensions are standard and ...