查询死锁信息语句(针对高版本SQL Server): DECLARE @SessionName SysName SELECT @SessionName = 'system_health' IF OBJECT_ID('tempdb..#Events') IS NOT NULL BEGIN DROP TABLE #Events END DECLARE @Target_File NVarChar(1000), @Target_Dir NVarChar(1000), @Target_File_WildCard NVarChar(1000) SELECT ...
For more information, see Set or Change the Server Collation. Database-level collations When you create or modify a database, you can use the COLLATE clause of the CREATE DATABASE or ALTER DATABASE statement to specify the default database collation. If no collation is specified, the databas...
These wildcard characters can be used in string comparisons that involve pattern matching, such as LIKE and PATINDEX. Examples A: Simple example The following example returns names that start with the letter m. [n-z] specifies that the second letter must be somewhere in the range from n to...
MySQL中创建存储过程: CREATE[DEFINER={user|CURRENT_USER}]PROCEDUREsp_name([proc_parameter[,...]])[characteristic...]routine_bodyproc_parameter:[IN|OUT|INOUT]param_name typecharacteristic:COMMENT'string'|LANGUAGESQL|[NOT]DETERMINISTIC|{CONTAINSSQL|NOSQL|READSSQLDATA|MODIFIESSQLDATA}|SQLSECURITY{DEFINE...
SQL Server 2008 R2 (10.50.x) and SQL Server 2008 R2 (10.50.x) Native Client (SNAC) support wildcard certificates. SNAC has since been deprecated and replaced with the Microsoft OLE DB Driver for SQL Server and Microsoft ODBC Driver for SQL Server. Other clients might not support wildcard...
SQL Server Reporting Services, Power View Index .5in is not a valid unit designator. Valid unit designators are in, mm, cm, pt, pc. 'No such host is known' error when configuring Reporting database 'Oracle' data extension not registered 'Return' statement in a Function,Get,or Operator ...
In SQL Server 2012 (11.x) the sp_dboption was removed. Regardless of the compatibility level, the statement EXEC sp_dboption 'AdventureWorks2022', 'autoshrink', 'FALSE'; produces error 2812 (Could not find stored procedure 'sp_dboption'). For more information on breaking changes, see: ...
Removed system objects. In SQL Server 2012 (11.x) thesp_dboptionwas removed. Regardless of the compatibility level, the statementEXEC sp_dboption 'AdventureWorks2022', 'autoshrink', 'FALSE';produces error 2812 (Could not find stored procedure 'sp_dboption'). ...
Conclusion The wildcard functionality in SQL applies to all vendors of SQL (e.g. Oracle, SQL Server, MySQL, PostgreSQL). It allows you to do partial matching on a string and is a useful feature of SQL.
Assume that you run a query that uses a LIKE operator (pattern matching) together with "ss" as a wildcard character to find approximate matches. If the wildcard character is at the end of the statement, the result may not...