Database - Define SQL

Define SQL.

- Structured query language, SQL is an ANSI standard language that provides commands to access and update databases.
- It is an interactive and programming language which is used for getting information and updating a database.
- It is an ANSI and an ISO standard which is used to support many database products.
- They take queries in the form of command language and they let you select,insert,update to find the desired data.
- It is a programming interface.
Database - Explain the difference between DBMS and RDBMS
DBMS offers organized way of storing, managing and retrieving information......
Database - What are E-R diagrams?
E-R diagrams, i.e. Entity-Relationship diagram represent relationship between various tables in the database......
Database - Explain the types of relationships in database
There are four relationships in database. One to One: One entity is associated with another entity. For Ex: Each employee is associated with one department.....
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