To improve query efficiency, MySQL has a specific data type called ENUM that stores string values as numeric indexes. By limiting values to particular possibilities, ENUM, in contrast to standard string types, ensures data consistency and streamlines comparisons. The SHOW COLUMNS statement is used to fetch all the possible values ... Read More

In MySQL, the ENUM data type allows you to create a column with specified values like 'A', 'B', 'C', and 'D'. This feature is useful for maintaining data consistency, as it restricts entry to a specific set of values. However, the behavior of ENUM columns can vary depending on ... Read More

In MySQL, triggers are a mechanism that allow for specific actions to be executed automatically when specific events like Insert, Update, or Delete occur in a table. They are useful as they automate processes and maintain data integrity. Using BEGIN...END in trigger In a trigger, if we want to perform ... Read More

Triggers are automatic operations that MySQL performs when something happens in a table, like adding a new record (INSERT), changing a record (UPDATE), or getting rid of a record (DELETE). They come in handy because they can handle repetitive tasks and make sure the info in your database is consistent ... Read More

Triggers are a great feature in MySQL that allows the automation of processes either before or after data has changed in a table. An important application of the usage of triggers is for automatic date addition to the database. This article guides you on how to add the current ... Read More

When we want to add a pause in MySQL triggers or stored procedures, we use the SLEEP() function. This function stops the execution of a query or procedure for a set amount of time. It is useful in different scenarios such as checking how an app acts when operations ... Read More

In MySQL, the ENUM is a data type that is used to create a column with a fixed set of values. It is helpful for the fields that have limited alternatives, such as categories, statuses, and color codes. In the ENUM data type, if you do not declare NOT ... Read More

Yes, you can include a string value with spaces in ENUM type. This is particularly useful when we add descriptive options that contain multiple words. Let us explore how to create, describe, and use ENUM columns containing spaces, with supporting examples. ENUM vs VARCHAR: While both ENUM and VARCHAR can ... Read More

No, SQL Server doesn’t offer a direct equivalent to MySQL’s ENUM data type, but you can replicate similar functionality with a combination of VARCHAR, and a CHECK constraint. This allows you to restrict the possible values for a column, just like ENUM does in MySQL. This article will look at ... Read More

Removing Value from an enum in MySQL We can use the ALTER command to remove a value from an ENUM in MySQL. The ALTER database command lets you modify the type of a column, add or remove columns, or even modify ENUM values in a current database. You cannot delete ... Read More