How do you retrieve data from database?

How do we retrieve data from database?

In order to retrieve the desired data the user present a set of criteria by a query. Then the DBMS selects the demanded data from the database. The retrieved data may be stored in a file, printed, or viewed on the screen. A query language, such as Structured Query Language (SQL), is used to prepare the queries.

Which command to retrieve data from database?

An SQL SELECT statement retrieves records from a database table according to clauses (for example, FROM and WHERE ) that specify criteria.

How do you retrieve data in a relational database?

Retrieving data from a database using SQL is achieved using the SELECT keyword, and can range from using a very simple statement to retrieve a single column from a table, to an incredibly complex statement using conditional joining, grouping, ordering, limiting etc.