An index on columns from two or more tables that come from the same domain of values is called a:
Blog
Which type of file is most efficient with storage space?
Which type of file is most efficient with storage space?
The last part of an SQL query to be read is the ________ sta…
The last part of an SQL query to be read is the ________ statement.
A data warehouse derives its data from:
A data warehouse derives its data from:
TQM stands for:
TQM stands for:
An operation to join a table to itself is called a(n):
An operation to join a table to itself is called a(n):
The SDLC phase in which every data attribute is defined, eve…
The SDLC phase in which every data attribute is defined, every category of data is listed, and every business relationship between data entities is defined is called the ________ phase.
The three-schema approach includes which of the following sc…
The three-schema approach includes which of the following schemas?
The number of entity types that participate in a Unary relat…
The number of entity types that participate in a Unary relationship is:
An attribute of an entity that is computed is a(n):
An attribute of an entity that is computed is a(n):