Solved MCQ of Database Management System (DBMS) Set - 5

1. The relational model is based on the concept that data is organized and stored in two-dimensional tables called ……………………….

A) Fields

B) Records

C) Relations

D) Keys


2. ……………….. contains information that defines valid values that are stored in a column or data type.

A) View

B) Rule

C) Index

D) Default


3. Which of the syntax is correct for insert statement?
i) insert into <table_name> values <list of values>
ii) insert into <table_name> (column list) values <list of values>

A) i-only

B) ii-only

C) Both of them

D) None of them


4. ………………. First proposed the process of normalization.

A) Edgar. W

B) Edgar F. Codd

C) Edward Stephen

D) Edward Codd


5. For using a specific database …………… command is used.

A) use database

B) database name use

C) Both A &B

D) None of them


6. Which of the following is not comparison operator?

A) <>

B) <

C) =<

D) >=


7. An outstanding functionality of SQL is its support for automatic ………… to the target data.

A) programming

B) functioning

C) navigation

D) notification


8. ………………… is a special type of integrity constraint that relates two relations & maintains consistency across the relations.

A) Entity Integrity Constraints

B) Referential Integrity Constraints

C) Domain Integrity Constraints

D) Domain Constraints

E) Key Constraints


9. ……………..specifies a search condition for a group or an aggregate.

A) GROUP BY Clause

B) HAVING Clause

C) FROM Clause

D) WHERE Clause


10. Drop Table cannot be used to drop a table referenced by a …………… constraint.

A) Local Key

B) Primary Key

C) Composite Key

D) Foreign Key

Answers:

1. C) Relations
2. C) Index
3. C) Both of them
4. B) Edgar F. Codd
5. A) use database
6. C) =<
7. C) navigation
8. B) Referential.....Constraints
9. B) HAVING Clause
10. D) Foreign Key

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الكاتب : أحمد أبوعبيلة

شاب أردني عمري 16 سنة أحب كل جديد في عالم الانترنت من مواقع وبرامج واحب التدوين ودائما ابحث عن الجديد لتطوير مهاراتي في مختلف الميادين التي تعجبني لكي انقل لكم وانا مدون واعمل فى مجال التدوين منذ فترة واحب معرفة الجديد والتعرف على الصدقاء .

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