What is datetime datatype in SQL?
What is datetime datatype in SQL?
The DATETIME type is used for values that contain both date and time parts. MySQL retrieves and displays DATETIME values in ‘ YYYY-MM-DD hh:mm:ss ‘ format. The supported range is ‘1000-01-01 00:00:00’ to ‘9999-12-31 23:59:59’ . The TIMESTAMP data type is used for values that contain both date and time parts.
How do I query a timestamp in DB2?
To get the current timestamp of the operating system on which the Db2 is running, you use the CURRENT_TIMESTAMP function:
- SELECT CURRENT_TIMESTAMP result FROM sysibm.sysdummy1;
- RESULT ————————- 2019-06-14 10:59:26.988.
- SELECT CURRENT TIMESTAMP result FROM sysibm.sysdummy1;
How is timestamp stored in DB2?
A timestamp is a seven-part value representing a date and time by year, month, day, hour, minute, second, and microsecond, in the range of 0001-01-01-00.00. 00.000000000 to 9999-12-31-24.00. 00.000000000 with nanosecond precision. Timestamps can also hold timezone information.
Is date function in DB2?
The DATE function returns a date that is derived from a value. The schema is SYSIBM. The argument must be an expression that returns one of the following built-in data types: a date, a timestamp, a character string, a graphic string, or any numeric data type.
How do I do a timestamp in SQL?
The basic syntax of “timestamp” data type in SQL is as follows : Timestamp ‘date_expression time_expression’; A valid timestamp data expression consists of a date and a time, followed by an optional BC or AD.
What is timestamp in DB2?
TIMESTAMP. A timestamp is a seven-part value representing a date and time by year, month, day, hour, minute, second, and microsecond, in the range of 0001-01-01-00.00. 00.000000000 to 9999-12-31-24.00. 00.000000000 with nanosecond precision. Timestamps can also hold timezone information.
What is the timestamp format in DB2?
Db2 TIMESTAMP literals yyyy-mm-dd hh:mm:ss. yyyy-mm-dd hh.
How do we store dates in DB2?
Internally, Db2 uses 4 bytes to represent a date value. The first two bytes represent the year, the third byte represents the month, and the last byte represents the day. Each byte stores two packed decimal digits.
How do you create a date and time table in SQL?
First, create a table named datediff_test that has one column whose data type is DATETIME . Second, insert some rows into the datediff_test table. Third, use the DATEDIFF function to compare the current date and time with the value in each row of the datediff_test table.