How do you access information from a database?

Question

Accessing data requires permission to the database, asking questions in SQL, and knowing how to explore a schema.

How do you access data from a database?

In order to access data in a given database, you must first connect to the database. When you start SQL*Plus, you normally connect to your default Oracle database under the username and password you enter while starting.

Is a way to get specific information from the database?

Query is used to extract specific information from one or more tables.

How is the data in a database stored and accessed?

Data elements within the database are stored in the form of simple tables. Tables are related if they contain common fields. 4. DBMS packages based on the relational model can link data elements from various tables to provide information to users.

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