MySql Quiz Test

 

Results

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#1. Which is the default order of sort in ORDER BY clause?

#2. On executing DELETE command, if you get an error “foreign key constraint”- what does it imply?

#3. Can I call a trigger directly called from an application?

#4. Can DISTINCT command be used for more than one column?

#5. Enum values are stored accodring to their index numbers




#6. Primary Key does allow the Null Values. where as in Unique key doesn’t accept the Null values.

#7. Which MYSQL statement is used to update data in a database?

#8. Which of the following file extension is a valid MyISAM file extension?

#9. With SQL, how do you select all the columns from a table named “Persons”?

#10. Can I define multiple unique constraints on a table?




#11. BLOB data type can have default column value.

#12. What does SQL stand for?

#13. Which MYSQL statement is used to return only different values?

#14. Which SQL keyword is used to sort the result-set?

#15. How can we get the number of records or rows in a table?




#16. The OR operator displays a record if ANY conditions listed are true. The AND operator displays a record if ALL of the conditions listed are true

#17. Which MYSQL statement is used to delete data from a database?

#18. How much character are allowed to create database name?

#19. An outer join requires each record in the two joined tables to have a matching record.

#20. How much storage space does DATETIME require?




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