The CURRENT_TIMESTAMP function returns the current date and time, in a 'YYYY-MM-DD hh:mm:ss.mmm' format.Tip: Also look at the GETDATE() function.SyntaxCURRENT_TIMESTAMPTechnical DetailsWorks in: SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data...
SqlFunctions.CurrentTimestamp 方法 參考 定義 命名空間: System.Data.Entity.SqlServer 組件: EntityFramework.SqlServer.dll 傳回目前的日期和時間。 C# [System.Data.Entity.DbFunction("SqlServer","CURRENT_TIMESTAMP")]publicstaticNullable<DateTime>CurrentTimestamp(); ...
executeSql("select id, word from "+table +", lateral table(split(id))").print();}//自定义UDTF函数将传入的id按照下划线炸裂成两条数据//hint暗示，主要作用为类型推断时使用@FunctionHint(output = @DataTypeHint("ROW<word STRING>"))public static class SplitFunction extends TableFunction<Row> {...
current_date() ,current_date 3. 获得当前时间(time)函数:curtime() mysql>selectcurtime();+———–+|curtime()|+———–+|21:00:11|+———–+ 其中,下面的两个时间函数等同于 curtime(): current_time() ,current_time 4. 获得当前 UTC 日期时间函数:utc_date(), utc_time(), utc_timestamp...
CURRENT_TIMESTAMPis a nondeterministic function. Views and expressions that reference this column cannot be indexed. Examples These examples use the six SQL Server system functions that return current date and time values, to return the date, the time, or both. The examples return the values in...
create or replace function oracle_to_unix(in_date IN DATE)returnnumberisbeginreturn( (in_date -TO_DATE('19700101','yyyymmdd'))*86400- TO_NUMBER(SUBSTR(TZ_OFFSET(sessiontimezone),1,3))*3600); end oracle_to_unix; SQL server getdate() --获取当前系统时间 ...
窗口函数(Window Function),也叫OLAP函数(Online Anallytical Processing,联机分析处理)或者分析函数(Analytic Function),可以对数据库数据进行实时分析处理。 SQL窗口函数为在线分析处理(OLAP)和商业智能(BI)提供了复杂分析和报表统计的功能,例如产品的累计销售额统计、分类排名、同比/环比分析等。这些功能通常很难通过聚合...
MySQL date and time functions FunctionDescription NOW() Gets the current date and time in “YEAR-MONTH-DAY HOUR:MINUTES:SECONDS” format CURDATE() Gets only the current date in “YEAR-MONTH-DAY” format CURTIME() Returns only the current time in “HOUR:MINUTES:SECONDS” format DATE_FORMAT()...
SQL_FN_TD_CURRENT_DATE (ODBC 3.0)SQL_FN_TD_CURRENT_TIME (ODBC 3.0)SQL_FN_TD_CURRENT_TIMESTAMP (ODBC 3.0)SQL_FN_TD_CURDATE (ODBC 1.0)SQL_FN_TD_CURTIME (ODBC 1.0)SQL_FN_TD_DAYNAME (ODBC 2.0)SQL_FN_TD_DAYOFMONTH (ODBC 1.0)SQL_FN_TD_DAYOFWEEK (ODBC 1.0)SQL_FN_TD_DAYOFYEAR (...
以下嵌入式 SQL 示例显示 MINUTE 函数识别为区域设置指定的 TimeSeparator 字符: /// d ##class(PHA.TEST.SQLFunction).Minute() ClassMethod Minute() { d ##class(%SYS.NLS.Format).SetFormatItem("TimeSeparator", ".") &sql( SELECT {fn MINUTE('2018-02-22 18.45.38')} INTO :a) w "minutes=...