how to check if there is no database schema code example

Example 1: how to check if there is no 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;

Example 2: what if no 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;