To query a relational database, you first design a schema using data definition language (DDL) to create the database structure. You then bulk load initial data into the database tables. Users can then repeatedly execute queries and data modifications on the database tables.

1. B Y B I S H A L G H I M I R E
B I S H A L . G H I M I R E @ G M A I L . C O M
Querying Relational Database

2. Querying Relational Database
 Steps in using relational database
1. Design schema; Create using DDL
2. “Bulk load” initial data
3. Repeat: Execute quires and modifications