Working with dates is a common requirement in SQL. Different database systems have various data types to handle dates and times.
DATE - format YYYY-MM-DDDATETIME - format: YYYY-MM-DD HH:MI:SSTIMESTAMP - format: YYYY-MM-DD HH:MI:SS. It's often used to track changes to records.YEAR - format YYYY or YYDATE - format YYYY-MM-DDDATETIME - format: YYYY-MM-DD HH:MI:SSSMALLDATETIME - format: YYYY-MM-DD HH:MI:SS (less precision than DATETIME)TIMESTAMP - a unique number, not a date.SQL provides many built-in functions for working with dates, such as NOW(), GETDATE(), DATE_FORMAT(), DATEDIFF(), etc. These functions are often specific to the database system you are using.