MySQL Questions Asked in Companies

We can change the MySQL root password using the below statement in the new notepad file and save it with an appropriate name: ALTER USER ‘root’@’localhost’ IDENTIFIED BY ‘NewPassword’; Next, open a Command Prompt and navigate to the MySQL directory. Now, copy the following folder and paste it in our DOS command and press the … Read more

We can delete a table in MySQL using the Drop Table statement. This statement removes the complete data of a table, including structure and definition from the database permanently. Therefore, it is required to be careful while deleting a table. After using the statement, we cannot recover the table in MySQL. The statement is as … Read more

A column is a series of cells in a table that stores one value for each row in a table. We can add columns in an existing table using the ALTER TABLE statement as follows: ALTER TABLE table_name ADD COLUMN column_name column_definition [FIRST|AFTER existing_column]; To add columns to an existing table in MySQL, you can … Read more

Installing MySQL on our system allows us to safely create, drop, and test web applications without affecting our live website’s data. There are many ways to use MySQL on our system, but the best way is to install it manually. The manual installation allows us to learn more about the system and provides more control … Read more

There are many tables that remain present by default. But, MyISAM is the default database engine used in MySQL. There are five types of tables that are present: MyISAM Heap Merge INNO DB ISAM In MySQL, there are several default tables and system tables that are present in the database to manage its functionalities. Some … Read more