Answers for "what is database schema"

what is database schema

A database schema is a blueprint or architecture of how our data will look. 
It doesn’t hold data itself, but instead describes the shape of the data and how it might
relate to other tables or models. An entry in our database will be an instance of the
database schema. It will contain all of the properties described in the schema.

what is database schema

DATABASE SCHEMA: is a chart that shows
all the tables and how they are
related to each other.
• If there is no schema:
1. Oracle ===> SELECT table_name FROM user_tables;
2. MySQL ===> show tables;