How is time stored in Db2?

Internally, DB2 uses three bytes to store a time value. Each byte consists of two packed decimal digits. The first, second, and third bytes represent the hour, minute, and second respectively.

What is date time data type?

The DATETIME data type stores an instant in time expressed as a calendar date and time of day. You select how precisely a DATETIME value is stored; its precision can range from a year to a fraction of a second.

What is the length of a timestamp?

between 19 and 32 bytes
The length of a TIMESTAMP column, as described in the SQLDA, is between 19 and 32 bytes, which is the appropriate length for the character string representation of the value.

What is the use of DB2 date function?

DB2 date functions are the scalar functions provided by IBM to handle and manipulate the date values in the DB2 database. The availability of these date and time functions in DB2 makes it very effective and easy to manipulate the date and time-related values.

What are the SQL date and time functions?

Consult the SQL Reference for more information on these functions. SQL Date and Time functions are as follows: DAYNAME: Returns a mixed case character string containing the name of the day (e.g., Friday) for the day portion of the argument.

How do I get the current time of the DB2 instance?

To get the current time of the operating system on which the Db2 instance is running, you use the CURRENT_TIME function: SELECT CURRENT_TIME “Current time” FROM sysibm.sysdummy1; Code language: SQL (Structured Query Language) ( sql )

How many bytes does DB2 store time values?

Internally, DB2 uses three bytes to store a time value. Each byte consists of two packed decimal digits. The first, second, and third bytes represent the hour, minute, and second respectively. Db2 stores time values in a special internal format and converts the time values to one of the following formats for the output: