ServerAuditStatement ServiceBrokerOption ServiceContract SessionOption SessionOptionKind SessionTimeoutPayloadOption SetClause SetCommand SetCommandStatement SetErrorLevelStatement SetFipsFlaggerCommand SetIdentityInsertStatement SetOffsets SetOffsetsStatement SetOnOffStatement SetOptions SetRowCountStatement SetSearchPrope...
<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...
SQL Server divides the RDTSC ticks by the frequency value. In this example, Windows scheduled the SQL Server worker thread on two different CPUs. The SQL Server worker thread that services the batch first ran on the first CPU (CPU ...
SELECT @SamplesPath = REPLACE(physical_name, 'Microsoft SQL Server/MSSQL.1/MSSQL/DATA/master.mdf', 'Microsoft SQL Server/90/Samples/Engine/Programmability/CLR/') FROM master.sys.database_files WHERE name = 'master'; CREATE ASSEMBLY [SurrogateStringFunction] FROM @SamplesPath + 'StringManipulate...
如需詳細資訊,請參閱 SQL Server 和 Azure SQL 索引架構和設計指南。 Azure Synapse Analytics 和 Analytics Platform System (PDW) 目前不支援唯一條件約束。 任何參考唯一條件約束的範例僅適用於 SQL Server、Azure SQL Database 和 Azure SQL 受控實例。 如需索引設計指導方針的相關信息,請參閱 SQL Server 索引...
SQL Server 2016 (13.x) includes improvements in some data types conversions and some (mostly uncommon) operations. For details seeSQL Server and Azure SQL Database improvements in handling some data types and uncommon operations. TheSTRING_SPLITfunction isn't available.TheSTRING_SPLITfunction is av...
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...
Access does not have any built-in ways to manager JSON data, but in SQL Server you can smoothly store, index, query, and extract JSON data. You can convert and store JSON text in a table or format data as JSON text. For example, you may want to format query result...
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...
partitionOptions 指定用于从 SQL Server 加载数据的数据分区选项。 允许值包括:None(默认值)、PhysicalPartitionsOfTable 和 DynamicRange 。启用分区选项(即,该选项不为 None)时,用于从 SQL Server 并行加载数据的并行度由复制活动上的 parallelCopies 设置控制。 否 partitionSettings 指定数据分区的设置组。 当分区选...