Quiz Complete, well Done!
A database management system provides
features to protect the data from unauthorized access or modifications.
Transaction
Data Warehousing
The user interface of a DBMS can be
or command-line based.
What is a data dictionary?
Database Management Systems
Normalization
What is the purpose of database transactions?
The data dictionary stores
and metadata about table indexes to optimize query performance.
indexing
Database management systems use indexes to improve the
of data retrieval operations.
SQL
Database Administrator
The data dictionary stores the
of the database including tables, columns, indexes, and relationships.
Which of the following is NOT a type of database relationship?
A database management system (DBMS) is a software system that allows users to
and manage databases.
Which type of database model organizes data in a tree-like structure?
A DBMS user interface allows users to
and manipulate data stored in the database.
Which of the following is not a type of database model?
Index
