FAQ on MySQL

Auto Increment is a constraint that automatically generates a unique number while inserting a new record into the table. Generally, it is used for the primary key field in a table. In MySQL, we can set the value for an AUTO_INCREMENT column using the ALTER TABLE statement as follows: ALTER TABLE table_name AUTO_INCREMENT = value; … Read more

Working with the MySQL server, it is a common task to view or list the available databases. We can view all the databases on the MySQL server host using the following command: mysql> SHOW DATABASES; To view the list of databases in MySQL, you can use the following SQL command: SHOW DATABASES; Executing this command … Read more

MySQL is the most popular free and open-source database software which comes under the GNU General Public License. In the beginning, it was owned and sponsored by the Swedish company MySQL AB. Now, it is bought by Sun Microsystems (now Oracle Corporation), who is responsible for managing and developing the database. MySQL is an open-source … Read more

Indexing is a process to find an unordered list into an ordered list. It helps in maximizing the query’s efficiency while searching on tables in MySQL. The working of MySQL indexing is similar to the book index. Suppose we have a book and want to get information about, say, searching. Without indexing, it is required … Read more

MySQL allows us to use the INSERT STATEMENT to add the date in MySQL table. MySQL provides several data types for storing dates such as DATE, TIMESTAMP, DATETIME, and YEAR. The default format of the date in MySQL is YYYY-MM-DD. Following is the basic syntax to insert date in MySQL table: INSERT INTO table_name (column_name, … Read more