MySql Quiz Test

 

Results

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

#2. How much storage space does DATETIME require?

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

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

#5. Which of the following ways below are the correct way to get the current date?




#6. What does SQL stand for?

#7. Which SQL statement is used to extract data from a database?

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

#9. 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

#10. –i-am-a-dummy flag is used Makes the MySQL engine refuse UPDATE and which other command?




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

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

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

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

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




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

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

#18. When do we use a HAVING clause?

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

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




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