How is time stored 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 I date a timestamp in SQL?
SQL Date Data Types
- DATE – format YYYY-MM-DD.
- DATETIME – format: YYYY-MM-DD HH:MI:SS.
- TIMESTAMP – format: YYYY-MM-DD HH:MI:SS.
- YEAR – format YYYY or YY.
What is DB2 date format?
Current date is in yyyy-mm-dd format. You can convert it into yyyymmdd format using substring function: select substr(current date,1,4)||substr(current date,6,2)||substr(currentdate,9,2)
What is DB2 TIMESTAMP format?
The DB2 TIMESTAMP is a temporal data type that holds the combination of date and time. The format of a TIMESTAMP is YYYY-MM-DD-HH. MM. SS. MMMMMM which is fixed at 25 characters.
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.
How do I get the current date and time in SQL query?
SQL Server GETDATE() Function The GETDATE() function returns the current database system date and time, in a ‘YYYY-MM-DD hh:mm:ss. mmm’ format.
What is DB2 timestamp format?
Should I use date or timestamp?
Timestamps in MySQL are generally used to track changes to records, and are often updated every time the record is changed. If you want to store a specific value you should use a datetime field.
Is timestamp same as datetime?
Just as DATETIME , the TIMESTAMP data type contains both the date and the time in the following format YYYY-MM-DD hh:mm:ss . However, unlike DATETIME , the TIMESTAMP data type has a fixed range between 1970-01-01 00:00:01 UTC to 2038-01-19 03:14:07 UTC.
What is TIMESTAMP in DB2?
What is timestamp 6 DB2?
Timestamps in DB2 used to all have 6 digit precision for the fractional seconds portion. In string form, “YYYY-MM-DD-HH:MM:SS.000000” However, DB2 LUW 10.5 and DB2 for IBM i 7.2 support from 0 to 12 digits of precision for the fraction seconds portion.
What is difference between timestamp and date in SQL?
TIMESTAMP and DATE vary in formats as follows: DATE stores values as century, year, month, date, hour, minute, and second. TIMESTAMP stores values as year, month, day, hour, minute, second, and fractional seconds.
What is difference between date and datetime in SQL?
The DATE type is used for values with a date part but no time part. MySQL retrieves and displays DATE values in ‘ YYYY-MM-DD ‘ format. The supported range is ‘1000-01-01’ to ‘9999-12-31’ . The DATETIME type is used for values that contain both date and time parts.
Should I use date or datetime?
What is difference between timestamp 0 and timestamp 6?
timestamp(p) , where p is the number of digits in the fractional part of second (microseconds), 0 ⇐ p ⇐ 6. With 0 there are no fractions of the second. Show activity on this post. The number (0 or 6) is the number of digits for fractions of a second that you want to store.
What is date and time function in SQL?
In SQL, we have many data types available, which we can use as the date in our table. Some of them popularly being- ‘YYYY-MM-DD’ and ‘DD-MM-YYYY’. In some scenarios, we also have time stored in our database with the date, in such cases, we need tools to separately access the time and the date.