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 |
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