postgres-database

Question 1

What is a database schema?

Answer 1

A schema is a collection of tables. It defines how the data in a relational database should be organized.

Question 2

What is a table?

Answer 2

A table is a list of rows each having the same set of attributes.

Question 3

What is a row?

Answer 3

A row is a record in a table that has a set of attributes, which are set up in columns.