Advanced SQL - True or False Online Exam Quiz
Advanced SQL - True or False GK Quiz. Question and Answers related to Advanced SQL - True or False. MCQ (Multiple Choice Questions with answers about Advanced SQL - True or False
Triggers are stored blocks of code that have to be called in order to operate.
Options
A : True
B : False
C : -
D : -
The joining technique is useful when data from several relations are to be retrieved and displayed and the relationships are not necessarily nested.
Options
A : True
B : False
C : -
D : -
There should be one condition within the WHERE clause for each pair of tables being joined.
Options
A : True
B : False
C : -
D : -
Subqueries can be nested multiple times.
Options
A : True
B : False
C : -
D : -
The code to create triggers and routines is stored in only one location and is administered centrally.
Options
A : True
B : False
C : -
D : -
A transaction is the complete set of closely related update commands that must all be done, or none of them done, for the database to remain valid.
Options
A : True
B : False
C : -
D : -
When AUTOCOMMIT is set on, changes will be made automatically at the end of each SQL statement.
Options
A : True
B : False
C : -
D : -
The UNION clause is used to combine the output from multiple queries together into a single result table.
Options
A : True
B : False
C : -
D : -
ROLLBACK WORK asks SQL to empty the log file.
Options
A : True
B : False
C : -
D : -
The most frequently used relational operation, which brings together data from two or more related tables into one resultant table, is called an equi-join.
Options
A : True
B : False
C : -
D : -
Advanced SQL - General Questions more Online Exam Quiz
Data and Database Administration - True or False
Database Design Using Normalization - True or False
Database Processing for BIS - True or False