適用於:SQL ServerAzure SQL 資料庫Azure SQL 受控執行個體Microsoft Fabric 中的 SQL 分析端點Microsoft Fabric 中的倉儲Microsoft Fabric 中的 SQL 資料庫 查詢提示會指定在查詢範圍中使用指示的提示。 它們會影響語句中的所有運算符。 如果主要查詢涉及 UNION,只有涉及 UNION 作業的最後一個查詢可以有 OPTION 子句...
ServerAuditStatement ServiceBrokerOption ServiceContract SessionOption SessionOptionKind SessionTimeoutPayloadOption SetClause SetCommand SetCommandStatement SetErrorLevelStatement SetFipsFlaggerCommand SetIden
<function_option> ::= and <clr_function_option> ::= Specifies that the function has one or more of the following options. ENCRYPTION Applies to: SQL Server 2008 (10.0.x) SP 1 and later versions. Indicates that the Database Engine converts the original text of the CREATE FUNCTION statemen...
The@@OPTIONSfunction returns a bitmap of the options, converted to a base 10 (decimal) integer. The bit settings are stored in the locations described in a table in the articleConfigure the user options Server Configuration Option. To decode the@@OPTIONSvalue, convert the integer returned by@...
Function Options <function_option>::= { [ ENCRYPTION ] | [ SCHEMABINDING ] | [ RETURNS NULL ON NULL INPUT |CALLED ON NULL INPUT] | [EXECUTE_AS_Clause] } <clr_function_option>::= } [ RETURNS NULL ON NULL INPUT |CALLED ON NULL INPUT] ...
SQL Server的系统函数,可以让我们实现聚合、数学运算、字符串操作、日期运算、NULL的处理、排序等功能。 需要注意的是SQL Server的系统函数和用户自定义函数是不同的,系统函数是SQL Server内部支持的函数,不需要我们先定义,再使用。 我们通过Microsoft SQL Server Management Studio客户端工具,可以看到SQL Server提供的系...
SQL Server uses the Real Time Stamp Counter (RDTSC) instruction to acquire the 64-bit CPU tick count. You can divide this value by the CPU frequency to convert the value to millisecond values. Timing variations can occur when the ...
and b.boundary.STContains(geometry::STGeomFromText('POINT('+CONVERT(VARCHAR(50),longitude)+' '+CONVERT(VARCHAR(50),latitude)+')', 0))=1 12. 推断字符串中是否包括数字: isnumber: 推断是否为数字【数字返回1,含有字符或者非数字返回0】。样例:select * from mapping_tax_warren where ISNUMERIC(prop...
OEM(default)Converts columns ofchar,varchar, ortextdata type from the system OEM code page to the SQL Server code page. RAWNo conversion occurs from one code page to another. This is the fastest option. code_pageIndicates the source code page on which the character data in the data file...
Note: Starting with SQL Server 2012 (11.x) Service Pack 3 and SQL Server 2014 (12.x) Service Pack 1, this behavior is controlled by the Database Engine and Trace Flag 1236 has no effect.Scope: Global only. 1237 Allows the ALTER PARTITION FUNCTION statement to honor the current user-...