Here we discuss the Introduction to MYSQL Database and the practical examples and different subquery expressions.Wamp tutorial creating database relationships >

Thus, MySQL Database is a fast, reliable, and stable RDBMS which saves our money and time, too, where SQL queries are used for manipulation of the records.

For example, if we have a database for a company, then it holds the tables for different areas like employee’s info, services records or financial transactions, and so on.

Some major benefits of MySQL Database are Data safety, On-Demand Scalability, High Presentation, Round-the-Clock Uptime, Wide-ranging Transactional Provision, Complete Workflow Mechanism, Concentrated Total Cost of Proprietorship, etc.

But the most important use of MySQL Database is as Web Database.

MySQL Database application is used for various purposes such as E-Commerce, Data Warehousing, and logging applications to maintain and store records.

Note: Remember that the database, table, and field names are case sensitive, so we have to use accurate names while executing any SQL query. While deleting the database in the PHP script, it does not prompt to ask whether you want to delete the database or not, so be careful before executing the code: When you proceed or execute this query, then a warning or message is displayed asking to confirm that we are sure we want to delete this database or not.Ĥ.

So be careful about this the DROP SQL statement destroys all the data available in that database.ģ. Dropping a database may not be simple if by you delete any database, you have to lose all the tables with records. The following syntax is used to delete any database from the MySQL server:Ģ. We need admin access for deleting any database from the server. We use the USE SQL command for this with the following:ġ. This is required when many databases exist on MySQL servers, and we need to work only with one from them.

Generally, we use the SQL SELECT statement to select a particular database from multiple databases and display its tables of records. How to Select a Database from Multiple Databases? Here, mysql_connectparameter is used to open a connection with the MySQL server, and CREATEquery created a database where as mysql_queryfunction checks if the database is created with the connection or not and returns TRUE on success and FALSE on failure. Further, you can use PHP scripts to integrate the SQL query and establish a connection of any webpage to the database for insertions and other manipulations to store data. You can view the database by clicking on a database on the left menu bar, where you can add tables:ĩ. Once the database is created, you can view it in the lists of databases on the server using the following query:Ĩ.

Creating database in wamp server