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What is metadata?
query optimization
Database Management Systems
A
database management system (RDBMS) uses tables to store data and relationships between different entities.
The user interface of a DBMS can be
or command-line based.
Which of the following is NOT a type of database relationship?
Database management systems use indexes to improve the
of data retrieval operations.
Which backup method copies only the data that has changed since the last full backup?
The process of combining data from multiple tables in a database management system is called
tables.
The Structured Query Language (SQL) is a programming language used to
and manage data in a database management system.
Relational Database
The data dictionary stores
and metadata about table indexes to optimize query performance.
Data Warehousing
Normalization
Which of the following is an example of metadata?
data redundancy
Which operation is used to retrieve data from a database?
A database management system (DBMS) is a software system that allows users to
and manage databases.
The data dictionary helps in maintaining data
by enforcing constraints and defining data types.
Index
