MySQL SYSDATE Function: Purpose & Uses

The SYSDATE() function in MySQL is used to retrieve the current date and time. Its purpose is to return a result set containing the current date and time.

The SYSDATE() function can easily retrieve the current date and time of the server without the need for manual input or processing. This is particularly useful in many applications, especially when there is a need to record or manipulate time-related data.

Here are some common situations where the SYSDATE() function is used:

1. Record creation time: You can use the SYSDATE() function when inserting a new record to save the current date and time in the table, in order to record the creation time of each record.
2. Data last updated: When updating existing records, you can use the SYSDATE() function to update the timestamp column in the table, indicating the last update time of the record.
3. Comparison of conditions: You can use the SYSDATE() function in conjunction with other date functions to perform condition comparisons, such as filtering records before or after today.

In conclusion, the SYSDATE() function offers a simple and convenient way to retrieve the current date and time, allowing you to handle and manipulate time-related data in MySQL.