DATEADD Adds an interval to a date value in SQL Server. DATEDIFF Calculates the difference between two dates in MySQL and SQL Server. DATEPART Extracts a specific part of a date/time value in SQL Server. GETDATE Retrieves database time in SQL Server. SYSDATE Retrieves database time ...
System.Data.Objects.SqlClient SqlFunctions SqlFunctions 方法 Acos Ascii Asin Atan Atan2 Char CharIndex 校验和 ChecksumAggregate Cos Cot CurrentTimestamp CurrentUser DataLength DateAdd DateDiff DateName DatePart 度 差 Exp GetDate GetUtcDate HostName ...
SqlChars SqlCompareOptions SqlDateTime SqlDateTime 构造函数 字段 属性 方法 添加 CompareTo 等于 GetHashCode GetXsdType GreaterThan GreaterThanOrEqual LessThan LessThanOrEqual NotEquals 分析 Subtract ToSqlString ToString 运算符 显式接口实现 SqlDecimal ...
startDate Nullable<DateTime> 时间段的起始日期。 endDate Nullable<DateTime> 时间段的结束日期。 返回 Nullable<Int32> 当两个参数都不为null时,返回两个指定日期之间的年份边界数。 当一个参数为或两个参数都为null时,返回null值。 注解 对应于 SQL ServerDATEDIFF函数,使用year指定所跨越的时间边界的类型。 有...
Represents the date and time data ranging in value from January 1, 1753 to December 31, 9999 to an accuracy of 3.33 milliseconds to be stored in or retrieved from a database. The SqlDateTime structure has a different underlying data structure from its co
A SQL Server user-defined type (UDT). Structured30 A special data type for specifying structured data contained in table-valued parameters. Date31 Date data ranging in value from January 1,1 AD through December 31, 9999 AD. Time32
FIXED_DATE Parameter type String Syntax FIXED_DATE = YYYY-MM-DD-HH24:MI:SS (or the default Oracle date format) Default value There is no default value. Parameter class Dynamic: ALTER SYSTEM FIXED_DATE enables you to set a constant date that SYSDATE will always return instead ...
[StartDate] [datetime]NOTNULL, [Administrator] [int]NULL,CONSTRAINT[PK_Department] PRIMARYKEYCLUSTERED ( [DepartmentID]ASC)WITH(PAD_INDEX =OFF, STATISTICS_NORECOMPUTE =OFF, IGNORE_DUP_KEY =OFF, ALLOW_ROW_LOCKS =ON, ALLOW_PAGE_LOCKS =ON)ON[PRIMARY])ON[PRIMARY]GOSETANSI_NULLSONGOSETQUOTED_...
Gets the number of rows changed, inserted, or deleted by execution of the Transact-SQL statement. VisibleFieldCount Gets the number of fields in theSqlDataReaderthat are not hidden. Methods Expand table GetBoolean(Int32) Gets the value of the specified column as a Boolean. ...
将当前数据库系统时间戳作为日期/时间值返回,不含数据库时区偏移量。 此值派生自运行 SQL Server 实例的计算机上使用的操作系统。 C# [System.Data.Entity.DbFunction("SqlServer","GETDATE")] [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design","CA1024:UsePropertiesWhereAppropriate")]publicstatic...