In Oracle Database, the CURRENT_TIMESTAMP() function returns the current date and time in the session time zone, in a value of data type TIMESTAMP WITH TIME ZONE.
It’s similar to LOCALTIMESTAMP, except that LOCALTIMESTAMP returns a TIMESTAMP value.
In Oracle Database, the LOCALTIMESTAMP() function returns the current date and time in the session time zone in a value of data type TIMESTAMP.
It’s similar to CURRENT_TIMESTAMP, except that CURRENT_TIMESTAMP returns a TIMESTAMP WITH TIME ZONE value.
In Oracle Database, the SYSTIMESTAMP function returns the system date, including fractional seconds and time zone, of the system on which the database resides.
The returned value is of type TIMESTAMP WITH TIME ZONE.
In Oracle Database, the SYSDATE function returns the current date and time set for the operating system on which the database server resides.
The returned value is of type DATE.
In Oracle Database, the EXTRACT(datetime) function extracts and returns the value of a specified datetime field from a datetime or interval expression.
You can use the SWITCHOFFSET() function in SQL Server to change the time zone offset on a datetimeoffset value.
The function accepts two arguments; a datetimeoffset(n) value (or an expression that can be resolved to a datetimeoffset(n) value), and the new time zone.
Continue readingThis article contains a full list of built-in MariaDB date and time functions.
Continue readingIn MariaDB, ASIN() is a built-in numeric function that returns the square root of its argument.
In MariaDB, ADD_MONTHS() is a built-in date and time function that adds a given number of months to a date, and returns the result.
The date can be a date, datetime, or timestamp value.
This function was introduced in MariaDB 10.6.1 to enhance Oracle compatibility. There are at least 6 other ways to add months to a date in MariaDB.
Continue readingIn MariaDB, UTC_TIMESTAMP() is a built-in date and time function that returns the current UTC date and time.
The result is returned in ‘YYYY-MM-DD HH:MM:SS’ or YYYYMMDDHHMMSS.uuuuuu format, depending on whether the function is used in a string or numeric context.
UTC stands for Coordinated Universal Time, and is the world standard for regulating time.
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