MySQL
MySQL LAST_INSERT_ID Function
MySQL LAST_INSERT_ID Function The LAST_INSERT_ID() function in MySQL returns the most recently generated AUTO_INCREMENT value for the last INSERT …
MySQL
Using MySQL UNIQUE Index To Prevent Duplicates
Using MySQL UNIQUE Index To Prevent Duplicates A UNIQUE index in MySQL ensures that all values in a column or combination of columns are distinct a…
MySQL
MySQL LAST_INSERT_ID Function
MySQL LAST_INSERT_ID Function The LAST_INSERT_ID() function in MySQL returns the most recently generated AUTO_INCREMENT value for the last INSERT …
MySQL
MySQL Reset Auto Increment Values
MySQL Reset Auto Increment Values In MySQL, the AUTO_INCREMENT attribute generates unique values for a column, typically the primary key . However, …
MySQL
MySQL DROP TABLE
MySQL DROP TABLE The DROP TABLE statement in MySQL is used to permanently delete a table from the database, including all its data, structure, and …
MySQL
MySQL TRUNCATE Function
MySQL TRUNCATE Function The TRUNCATE() function in MySQL is used to remove the decimal places from a number to a specified precision. It does not …
MySQL
MySQL DENSE_RANK Function
MySQL DENSE_RANK Function The DENSE_RANK() function in MySQL is used to assign a rank to each row within a partition of a result set. Unlike RANK()…
MySQL
MySQL MIN
MySQL MIN() Function The MIN() function in MySQL is used to retrieve the smallest value from a column in a table. It is commonly used in aggregatio…
MySQL
MySQL YEAR Function
MySQL YEAR() Function The YEAR() function in MySQL extracts the year from a given date or datetime expression and returns it as a four-digit number.…
MySQL
MySQL SHOW PROCESSLIST
MySQL SHOW PROCESSLIST Statement The SHOW PROCESSLIST statement in MySQL provides information about currently running threads (or processes) in the …
MySQL
MySQL NOT NULL Constraint
MySQL NOT NULL Constraint The NOT NULL constraint in MySQL ensures that a column cannot have a NULL value. It is used to enforce data integrity by …
MySQL
MySQL MAX
MySQL MAX() Function The MAX() function in MySQL is an aggregate function that returns the largest (maximum) value from a specified column in a data…
