8、date('时间') 返回时间的日期
Date functions- Date arithmetic operations return date or numeric values. Functions under the category are MONTHS_BETWEEN, ADD_MONTHS, NEXT_DAY, LAST_DAY, ROUND and TRUNC. MONTHS_BETWEEN function returns the count of months between the two dates. ADD_MONTHS function add 'n' number of months t...
4... DATS_ADD_MONTHS( date,months ) Effect These SQL functions perform operations with arguments of the predefined data typeDATS. The arguments of the functions are specified as a comma-separated list in parentheses. A blank must be placed before the opening parenthesis and after the closing...
SqlFunctions.IsDate(String) 方法 參考 意見反應 定義 命名空間: System.Data.Objects.SqlClient 組件: System.Data.Entity.dll 指出輸入值是否為有效的日期或時間。 C# 複製 [System.Data.Objects.DataClasses.EdmFunction("SqlServer", "ISDATE")] public static int...
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 IsDate IsNumeric 日志 Log10 NChar PatIndex ...
SqlFunctions.GetDate 方法參考 意見反應 定義命名空間: System.Data.Entity.SqlServer 組件: EntityFramework.SqlServer.dll 傳回目前資料庫系統時間戳記做為 datetime 值 (沒有資料庫時區位移)。 這個值是從執行 SQL Server 執行個體的電腦作業系統得來的。 C# 複製 [System.Data.Entity.DbFunction("SqlServer",...
SqlFunctions.DateDiff Method Reference Feedback Definition Namespace: System.Data.Objects.SqlClient Assembly: System.Data.Entity.dll Returns the number of date and time boundaries crossed between two specified dates. Overloads Expand table DateDiff(String, String, String) Returns the count of...
GETDATE (Transact-SQL) GETUTCDATE (Transact-SQL) ISDATE (Transact-SQL) MONTH (Transact-SQL) SWITCHOFFSET (Transact-SQL) SYSDATETIME (Transact-SQL) SYSDATETIMEOFFSET (Transact-SQL) TODATETIMEOFFSET (Transact-SQL) YEAR (Transact-SQL) SYSUTCDATETIME (Transact-SQL) Mathematical Functions (Transact-SQL...
Datetime Conversion Functions Date, Timestamp, and Interval Operators Date and Time Patterns CURRENT_DATE CURRENT_ROW_TIMESTAMP CURRENT_TIME CURRENT_TIMESTAMP EXTRACT LOCALTIME LOCALTIMESTAMP TSDIFF Null Functions Numeric Functions Log Parsing Functions Sorting Functions Statistical Variance and Deviation ...
SQL Servercomes with the following data types for storing a date or a date/time value in the database: DATE- format YYYY-MM-DD DATETIME- format: YYYY-MM-DD HH:MI:SS SMALLDATETIME- format: YYYY-MM-DD HH:MI:SS TIMESTAMP- format: a unique number ...