,Q 1. What is SQL?
Ans: SQL stands for Structured Q
programming language use
manipulating relational dat
Q 2. What is a database?
Ans: A database is an organized
and accessed electronically
store, organize, and retriev
efficiently.
Q 3. What is a primary key?
Ans: A primary key is a column o
that uniquely identifies eac
enforces the entity integrit
, Q 4. What is a foreign key?
Ans: A foreign key is a column or
that establishes a link betw
ensures referential integrity
relationships between table
Ans: SQL stands for Structured Q
programming language use
manipulating relational dat
Q 2. What is a database?
Ans: A database is an organized
and accessed electronically
store, organize, and retriev
efficiently.
Q 3. What is a primary key?
Ans: A primary key is a column o
that uniquely identifies eac
enforces the entity integrit
, Q 4. What is a foreign key?
Ans: A foreign key is a column or
that establishes a link betw
ensures referential integrity
relationships between table