Sql Interview Questions & Answers: part11



Sql Interview QUESTIONS AND ANSWERS :: part11 : 1 to 5

Following SQL Multiple choice objective type questions and answers will help you in many software compnaies written examinations and inteview 2015 :

1.What is meaning of “REFERENCES” in table definition?

Primary key
NULL
Foreign Key
A ”foreign Key” belong to this particular table

2.What default value gets stored in columns of the table?

NULL
0
1
-1

3.Find out the logical error in the following query? CREATE TABLE person ( person_id varchar(20), Name varchar (20), Address Varchar (20), Mobile_no Smallint );

Lesser number of columns
Incorrect definition
Primary key is missing
None of these

More Sql Interview QUESTIONS AND ANSWERS available in next pages

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