SQL---Date and Time Functions(日期函数) 1、DATE_ADD(date,INTERVAL expr type) 向日期添加指定的时间间隔; date: 参数是合法的日期表达式 expr: 参数是您希望添加的时间间隔 type:时间单位 2、TIMESTAMPDIFF(unit,time1,time2) 返回指定时间单位的 时间差 unit:单位 t
Date time functions 默认数据格式为yyyy-MM-dd格式 DataFrame数据 val df = Seq( ("A", "2019-01-10", "2019-05-02"), ("B", "2019-01-01", "2019-02-04"), ("D", "2019-01-09", "2019-03-02")) .toDF("user_id", "start_time", "end_time") 1. def add_months(startDate: ...
Using date-time functions in JMP queries is complicated by the fact that the SQL engine that handles JMP queries (SQLite) uses different formats for storing dates than JMP does. SQLite stores date-times as strings. However, JMP stores date-times as the number of seconds since January 1, 190...
The following sections in this topic provide an overview of all Transact-SQL date and time data types and functions. For information and examples that are common to date and time data types and functions, seeUsing Date and Time Data. Date and Time Data Types Date and Time Functions Function ...
Functions and Operators Character Processing Functions and Operators Binary String Functions and Operators Bit String Functions and Operators Mathematical Functions and Operators Date and Time Processing Functions and Operators Date and Time Operators Time/Date functions EXTRACT date_part date_format time_...
The following built-in functions relate to dates and time. Topics Time Zones 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 Of these, the SQL...
Table 14.11 Date and Time Functions NameDescription ADDDATE() Add time values (intervals) to a date value ADDTIME() Add time CONVERT_TZ() Convert from one time zone to another CURDATE() Return the current date CURRENT_DATE(), CURRENT_DATE Synonyms for CURDATE() CURRENT_TIME(), ...
Table 12.11 Date and Time Functions NameDescription ADDDATE() Add time values (intervals) to a date value ADDTIME() Add time CONVERT_TZ() Convert from one time zone to another CURDATE() Return the current date CURRENT_DATE(), CURRENT_DATE Synonyms for CURDATE() CURRENT_TIME(), ...
Dms › sql-server-to-aurora-mysql-migration-playbook Date and time functions for T-SQL Date time functions T-SQL handle system date time values, time zone considerations, date part boundaries crossed, date part offset interval, datetime values string literals, datetime formats. Summary: Covers ...
Category Function Syntax Description Supported in SQL Supported in SPL Date and time functions current_date function current_date Returns the current date. √ × current_time function current_time Returns the current time and time zone. √ × current_timestamp function current_timestamp Returns ...