SQL is the standard language for managing relational databases, allowing users to perform operations like inserting, searching, updating, and deleting records. It has a historical development beginning in the 1970s and various types of statements used, including DDL, DML, DCL, TCL, and DQL. A database in SQL consists of tables containing structured data organized into rows and columns.

2. What is SQL?
SQL is the standard language for dealing with
Relational Databases. SQL can be used to
insert, search, update, and delete database
records. SQL can do lots of other operations,
including optimizing and maintenance of
databases.

3. A Brief History of SQL
1970 – Dr. Edgar F. “Ted” Codd described a relational model for databases.
1974 – Structured Query Language appeared.
1978 – IBM released a product called System/R.
1989 – First ever version launched of SQL
SQL 2006 – Support for XML Query Language
SQL 2011 -improved support for temporal databases

4. Types of SQL Statements
Here are five types of widely used SQL queries.
Data Definition Language (DDL)
Data Manipulation Language (DML)
Data Control Language (DCL)
Transaction Control Language (TCL)
Data Query Language (DQL)

5. SQL Process
SQL Query
SQL Language
DBMS Engine
Physical data base
Parser +Optimiizer
File
manager+Transaction
manager

6. What is a database in SQL?
A database is made up of a collection of tables that stores a detailed set
of structured data. It is a table that contains a collection of rows, referred
to as records or tuples, and columns that are also referred to as
attributes.
Each column in the table is designed to store a specific type of
information, for example, names, dates, dollar amounts, and numbers.

7. Thanks for watching
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