How do you retrieve the data?

How do we retrieve data?

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 option is used to retrieve data?

Answer. Explanation: In database SELECT query is used to retrieve data from a table. It is the most used SQL query.

How does data store and retrieve?

The Role of Storing and Retrieving Once the processor is freed up, the processor can retrieve and process another portion of data from storage. Usually, data is processed over multiple sessions making it necessary to have a method of retaining the previously processed data for the next session.

How do you retrieve data in a relational database?

The key to retrieving data in such a way is the JOIN keyword. The most basic JOIN syntax is: SELECT <columns> FROM <table1> JOIN <table2> ON <join_condition> WHERE <condition>; Using the JOIN keyword in this manner would allow you to retrieve columns from multiple tables into a single result set, based on a condition.