Please select a subject first
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Which of the following is not true for SQL?
Concept: undefined >> undefined
Limitations of a file system can be resolved by ______.
Concept: undefined >> undefined
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Which of the following is not a constraint?
Concept: undefined >> undefined
Which constraint ensures that a column cannot have NULL values where NULL means missing/unknown/not applicable value?
Concept: undefined >> undefined
Which constraint ensures that all the values in a column are distinct/unique?
Concept: undefined >> undefined
A database ______ certain details about how data is actually stored and maintained.
Concept: undefined >> undefined
Users can work on DBMS using ______.
Concept: undefined >> undefined
The interface between the database and end users or application programs is referred to as ______.
Concept: undefined >> undefined
Which of the following is not a real-life application of database?
Concept: undefined >> undefined
______ is known as skeleton of database.
Concept: undefined >> undefined
What do you call the database catalogue where DBMS stores database schema along with various constraints?
Concept: undefined >> undefined
Constraints are used to ______.
Concept: undefined >> undefined
State or snapshot of a database at any instance is known as ______.
Concept: undefined >> undefined
How will you retrieve all details of employee_detail table?
Concept: undefined >> undefined
Activity table is related to student table and every student has been asked to enroll for minimum 2 activities. While checking the records select student id from activity; lots of duplicate entries were found as students are enrolling for more than one activity. It is becoming difficult to understand who all have still not enrolled for any activity. We can use ______ clause with student_id to resolve the issue.
Concept: undefined >> undefined
Which is not a limitation of database?
Concept: undefined >> undefined
______ operator defines the range of values in which the common value must fall into to make condition true.
Concept: undefined >> undefined
The underlying component or set of programs used by DBMS to create the database and handle various queries for data retrieval and manipulation is known as ______.
Concept: undefined >> undefined
It can be a software program or a hardware device that filters all data packets coming through the internet, a network, etc. it is known as the ______
Concept: undefined >> undefined
