Check out example codes for "what is sql". It will help you in understanding the concepts better.
Code Example 1
Structured Query Language A language which enables a user to create, modify and essentially interact with a database. Two of the most common Database Management Engines are MySQL: https://www.mysql.com/ PostgreSQL: https://www.postgresql.org/
Code Example 2
SQL is a domain-specific language used in programming and designed for managing data held in a relational database management system, or for stream processing in a relational data stream management system.
Code Example 3
SQL is basically a programming language that lets people manipulate databases.
Code Example 4
CREATE TABLE friends ( id INTEGER, name TEXT, birthday DATE ); INSERT INTO friends (id, name, birthday) VALUES (1, 'Jane Doe', '1990-05-30'); INSERT INTO friends(id , name , birthday) VALUES(2 , 'APOORV' , '2000-2-2'); UPDATE friends SET name = 'Jane Srivastava' WHERE id = 1; ALTER TABLE friends ADD COLUMN email TEXT; UPDATE friends SET email = '[email protected]' where id = 1; UPDATE friends SET email = '[email protected]' where id = 2; DELETE FROM friends WHERE id = 1; SELECT * FROM friends;
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