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: ...
returns: 3538482531 The string is an unformatted JMP date. However, if you pass a SQLite time string to another SQL date-time function, you do not need to useJMPDate(); the value will be converted to a JMP date automatically. Here is an example: Query( Scalar, "SELECT EXTRACT(’YEAR’...
Thevalueabbreviations(Sql,Server)(AccessandASP)are explained YearYyyyyy1753~9999 QuarterQqQSeason1~4 MonthMmmmonth1~12 Day,of,year,Dy,y,thenumberofdaysayear,thedayofthe year,1-366 DayDddday,1-31 WeekdayDwwthenumberofdaysaweek,thedayoftheweek, ...
Function Syntax Return value Return data type Determinism SYSDATETIME SYSDATETIME () Returns a datetime2(7) value that contains the date and time of the computer on which the instance of SQL Server is running. The time zone offset is not included. datetime2(7) Nondeterministic SYSDATETIMEOFFSET...
CURRENT_TIME, CURRENT_TIME([fsp]) CURRENT_TIME和CURRENT_TIME()是CURTIME()的同义词。 CURRENT_TIMESTAMP,CURRENT_TIMESTAMP([fsp]) CURRENT_TIMESTAMP和CURRENT_TIMESTAMP()是NOW()的同义词。 CURTIME([fsp]) 根据函数是在字符串还是数字上下文中使用,以“HH:MM:SS”或HHMMSS格式的值返回当前时间。 该值以...
GETDATE() and GETUTCDATE() both return the current date and time. However, GETUTCDATE() returns the current Universal Time Coordinate (UTC) time, whereas GETDATE() returns the date and time on the computer where SQL Server is running. By the way, GETUTCDATE() does not have any magic...
The modifiers are optional, and you can use multiple of them in the function. In this example, we add one month and two days to date values in a column named Day of Created At: DATE("Day of Created At",'+1 months','+2 days') Built-in date and time functions Custom formulas ...
For instructions, see Section 7.1.15, “MySQL Server Time Zone Support”. CURDATE() Returns the current date as a value in 'YYYY-MM-DD' or YYYYMMDD format, depending on whether the function is used in string or numeric context. mysql> SELECT CURDATE(); -> '2008-06-13' mysql> ...
TIME_FORMAT() Format as time TIME_TO_SEC() Return the argument converted to seconds TIMEDIFF() Subtract time TIMESTAMP() With a single argument, this function returns the date or datetime expression; with two arguments, the sum of the arguments TIMESTAMPADD() Add an interval to a da...
You can use the date and time functions to query an SQL database for records related to a specific date and time. For example, you can use the CURDATE() function in MySQL to get data with a date field value equal to the current date. Querying data from past or future date In additio...