Introduction To SQL Databases Quiz Questions and Answers

Which SQL statement is used to extract data from a database?

Answer :
  • Select

Which SQL statement is used to update data in a database?

Answer :
  • Update

The SQL WHERE clause______.

Answer :
  • limits the row data are returned

In an ER model, ……………. is described in the database by storing its data.

Answer :
  • Entity

DFD stands for______.

Answer :
  • Data Flow Diagram

The key to representing the relationship between tables is called_____.

Answer :
  • Foreign Key

…………………… is the process of organizing data into related tables.

Answer :
  • Normalization

………………… is the preferred method for enforcing data integrity.

Answer :
  • Constraints

…….. data type can store unstructured data.

Answer :
  • RAW

…………… database is used as a template for all databases created.

Answer :
  • Model