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...
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...
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 ...
该命令用于退出 sql*plus,另外你也可以使用quit命令退出sql*plus.使用该命令不仅会断开连接,而且也会退出sql*plus 注:默认情况下,当执行该命令时会自动提交事务。 3,编辑命令 (1)l[ist] 该命令用于列出sql缓冲区的内容,使用该命令可以列出sql缓冲某行,某几行或所有行的内容。在显示结果中,数据字为具体的行号,...
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. Yo...
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 ...
LOG ON is followed by a comma-separated list of <filespec> items that define the log files. If LOG ON is not specified, one log file is automatically created, which has a size that is 25 percent of the sum of the sizes of all the data files for the database, or 512 KB, ...
Referencia de Transact-SQL para usar la instrucción DECLARE para definir variables locales para su uso en un lote o un procedimiento.
Help troubleshoot T-SQL code. Check the values of data. 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', -- ...
"SET QUOTED_IDENTIFIER OFF" to achieve the same functionality as "SET DEFINE OFF" in Oracle SQL...