DAT 380 Wk 2 - Practice Knowledge Check
DAT 380 Wk 2 - Practice Knowledge Check
PLDZ-16114
Free
In Stock
Free Download!
Description
Click Here To Download Your Files :
http://www.onlinehelp123.com/dat-380
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
You can buy more tutorials from the below link
http://www.onlinehelp123.com/dat-380
DAT 380 Wk 2 - Practice Knowledge Check
The row's range of permissible values is known as its domain.
RDBMSs enforce integrity rules automatically.
Character data can contain any character or symbol intended for mathematical manipulation.
_____, also known as RESTRICT, yields values for all rows found in a table that satisfy a given condition.
- UNION
- DIFFERENCE
- INTERSECT
- SELECT
A weak relationship exists if the primary key of the related entity contains at least one primary key component of the parent entity.
Only a single attribute, not multiple attributes, can define functional dependence.
_____ returns only the attributes requested, in the order in which they are requested.
- SELECT
- UNION
- PROJECT
- DIFFERENCE
A data dictionary is sometimes described as "the database designer's database" because it records the design decisions about tables and their structures.
In the relational model, _____ are important because they are used to ensure that each row in a table is uniquely identifiable.
- keys
- relations
- logical structures
- indexes
A _____ relationship exists when an association is maintained within a single entity.
- ternary
- unary
- weak
- strong
Click Here To Download Your Files :
http://www.onlinehelp123.com/dat-380
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
You can buy more tutorials from the below link
http://www.onlinehelp123.com/dat-380
DAT 380 Wk 2 - Practice Knowledge Check
The row's range