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SQL Interview Multiple Choice Questions and Answers set-4


1. In SQL, which command is used to issue multiple CREATE TABLE, CREATE VIEW and GRANT statements in a single transaction?
SQL Interview Multiple Choice Questions
SQL database icon with shortcut identification (Photo credit: Wikipedia)


A) CREATE PACKAGE

B) CREATE SCHEMA

C) CREATE CLUSTER

A) All of the above



2. In SQL, the CREATE TABLESPACE is used

A) to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace.

B) to create a database trigger.

C) to add/rename data files, to change storage

D) All of the above



3. Which character function can be used to return a specified portion of a character string?

A) INSTR

B) SUBSTRING

C) SUBSTR

D) POS


4. Which of the following is TRUE for the System Variable $date$?

A) Can be assigned to a global variable.

B) Can be assigned to any field only during design time.

C) Can be assigned to any variable or field during run time.

D) Can be assigned to a local variable.



5. What are the different events in Triggers?

A) Define, Create

B) Drop, Comment

C) Insert, Update, Delete

D) Select, Commit





6. Which is the subset of SQL commands used to manipulate Oracle Database Structures, including tables?

A) Data Definition Language

B) Data Manipulation Language

C) Data Described Language

D) Data Retrieval Language



7. The SQL statement SELECT SUBSTR('123456789', INSTR('abcabcabc','b'), 4) FROM EMP; prints

A) 6789

B) 2345

C) 1234

D) 456789



8. Which of the following SQL command can be used to modify existing data in a database table?

A) MODIFY

B) UPDATE

C) CHANGE

D) NEW



9. When SQL statements are embedded inside 3GL, we call such a program as ..........

A) nested query

B) nested programming

C) distinct query

D) embedded SQL



10. ................ provides option for entering SQL queries as execution time, rather than at the development stage.

A) PL/SQL

B) SQL*Plus

C) SQL

D) Dynamic SQL


Answers:



1. In SQL, which command is used to issue multiple CREATE TABLE, CREATE VIEW and GRANT statements in a single transaction?

B) CREATE SCHEMA

2. In SQL, the CREATE TABLESPACE is used

A) to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace.

3. Which character function can be used to return a specified portion of a character string?

C) SUBSTR

4. Which of the following is TRUE for the System Variable $date$?

B) Can be assigned to any field only during design time.

5. What are the different events in Triggers?

C) Insert, Update, Delete

6. Which is the subset of SQL commands used to manipulate Oracle Database Structures, including tables?

A) Data Definition Language

7. The SQL statement SELECT SUBSTR('123456789', INSTR('abcabcabc','b'), 4) FROM EMP; prints

B) 2345

8. Which of the following SQL command can be used to modify existing data in a database table?

B) UPDATE

9. When SQL statements are embedded inside 3GL, we call such a program as ..........

D) embedded SQL

10. ................ provides option for entering SQL queries as execution time, rather than at the development stage.

D) Dynamic SQL


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