List of top Information Technology Questions on Database Management Systems asked in CBSE CLASS XII

Varun is the owner of New Trends Fashion Company that deals in garments. He wants to make a Database Application for his company. Suggest any six possible entities that can be used in the database for his website.
List any two ways in which database application is used in the Banking Sector.
Write any two characteristics of Database Management System.
Rashmi is not able to leave a blank in the Salary column of the Employee table. Which constraint is applied on the field Salary?
Which of the following statements is incorrect related to database application used in the domains?
Out of many types of DBMS users, ................ is responsible to determine the requirements of the end users and then develop specifications to meet the requirements.
If the value of an attribute in a tuple is not known or not applicable or not available, a special value called ................ is used to represent them.
Rahul forgot to add a column in the existing table. Which one of the following SQL commands can he use to add the desired column in the table?
Which of the following is not a valid data type of SQL?
................ is a language that is used to manage data stored in an RDBMS.
In relational models, a ................ is called a relation.
DBMS stands for ................ .