SQL Server Native Client OLE DB 提供者也支援將輸出參數係結為大型實值數據類型的DBTYPE_IUNKNOWN,以利預存程式將大型實值型別當做傳回值公開給用戶端 DBTYPE_IUNKNOWN的傳回值案例。 為了使用這些類型,應用程式具有下列選項: 系結為具有數據行基底類型的支持系結的類型(例如 nvarchar(max),系結為可以...
LARGE_PAGES。 已在启用了跟踪标志 834 的企业模式中授予“锁定内存页”权限。 这是一种高级配置,不建议对大多数环境使用。 有关详细信息和重要的注意事项,请参阅跟踪标志 834。 使用以下方法确定 SQL Server 实例是否正在使用锁定页: 以下Transact-SQL 查询的输出指示了locked_page_allocations_kb的非零值: ...
sql server 日期数据类型 sql日期的数据类型 sql数据类型 SQL Data Types define the type of value that can be stored in a table column. For example, if we want a column to store only integer values, then we can define it’s data type asint. SQL数据类型定义可以存储在表列中的值的类型。 例...
原始產品版本:SQL Server 原始KB 編號: 827575 徵兆 當您執行大量傳回多個結果集的 SQL 語句時,Microsoft SQL Server 可能會在批次中的所有語句執行之前停止處理批次。 此行為的影響取決於批次語句所執行的作業。 例如,如果批次在開頭啟動交易,並在結尾認可交易,則可能不會發生認可。 此行為會導致鎖定的保留時間超過...
MS SQL Server Data Types String Data Types Data typeDescriptionMax char lengthStorage char(n)Fixed-length non-Unicode character data (n must be between 1 and 8000)8,000n bytes (uses one byte for each character) varchar(n)Variable-length non-Unicode character data (n must be between 1 and...
PostgreSQL 9.5 BOOLEAN SQL Server 2014 BIT Oracle 11g BOOLEANBinary large object Type:A binary string is a sequence of octets that does not have either a character set or collation associated with it and is described by a binary data type descriptor.Data...
Access data type Access field size bigint Large Number For more information, see Using the Large Number data type. binary (field size) Binary Same as SQL Server field size bit Yes/No char (field size), where field size is less than or equal to 255 Text ...
SQL Server data type Integer BIGINT, INT, SMALLINT, and TINYINT Floating point FLOAT, DECIMAL, REAL, and NUMERIC String CHAR, NCHAR, NTEXT, NVARCHAR, TEXT, VARCHAR, NVARCHAR (MAX), and VARCHAR (MAX) Date and time DATE, DATETIME, and TIME ...
SQL Server Data Types The data types supported by SQL Server are, Numeric Data Types Data TypeDescription BITcan store single bit (0or1) orNULL TINYINTcan store numbers from0to255 SMALLINTcan store numbers from-32,768to32,767 INTcan store numbers between-2,147,483,648and2,147,483,647 ...
SQL Server Azure SQL Database Azure SQL Managed Instance Sets Transact-SQL and query processing behaviors to be compatible with the specified version of the SQL engine. For other ALTER DATABASE options, seeALTER DATABASE. For more information about the syntax conventions, seeTransact-SQL syntax co...