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 time1:时间1 time2:时间2 3、DATEDIFF(time1,
This is a key difference between a streaming query and a traditional RDMS query: streaming queries remain "open," producing more data, so the timestamp for when the query was run does not offer good information. LOCALTIMESTAMP, LOCALTIME, CURRENT_DATE, and CURRENT_TIMESTAMP all produce ...
What are date and time functions? Why use date and time functions? How to get the current date and time in SQL What is a time series database? Conclusion Stop flying blind Be the first to get the latest tutorials, trainings, and all things InfluxDB, Telegraf, and more—right in your ...
Date and Time Data Types Date and Time Functions Function That Get System Date and Time Values Functions That Get Date and Time Parts Functions That Get Date and Time Difference Functions That Modify Date and Time Values Functions That Set or Get Session Format Functions Date and Time–Related ...
Date and time functions The following tables list the Transact-SQL date and time functions. For more information about determinism, see Deterministic and Nondeterministic Functions. Functions that return system date and time values Transact-SQL derives all system date and time values from the ...
Functions that return system date and time values Transact-SQL derives all system date and time values from the operating system of the computer on which the instance of SQL Server runs. Higher-precision system date and time functions Since SQL Server 2008 (10.0.x), the Database Engine derives...
Additionally, it is to be learned that CURRENT_TIMESTAMP(), CURRENT_DATE(), CURRENT_TIME(), and FROM_UNIXTIME() SQL time and date functions return values in the current session time zone.Different SQL Time Data TypesBefore we start, let's recap about the Time data types that are used ...
Commonly Used Date FunctionsGETDATE()This function is used to get the current date and time. For example,SELECT GETDATE();Here, the function returns the current date and time.CURRENT_TIMESTAMPThis function is used to get the current timestamp in the system. For example,...
DATE_ADD 命令格式 datedate_add(date|timestamp|string<startdate>,bigint<delta>) 命令说明 按照delta幅度增减startdate日期的天数。如果您需要获取在当前时间基础上指定变动幅度的日期,请结合GETDATE函数使用。 本命令与DATE_SUB的增减逻辑相反。 参数说明 ...
Date functions EXTRACT date_part date_format time_format SEQUENCE Functions Array Functions and Operators Logical Operators Comparison Operators Pattern Matching Operators Aggregate Functions Window Functions Type Conversion Functions JSON/JSONB Functions and Operators Security Functions Conditional Expression ...