Results
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#1. What does SQL stand for?
#2. 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
#3. Enum values are stored accodring to their index numbers
#4. Which of the following file extension is a valid MyISAM file extension?
#5. On executing DELETE command, if you get an error “foreign key constraint”- what does it imply?
#6. Which MYSQL statement is used to update data in a database?
#7. When do we use a HAVING clause?
#8. –i-am-a-dummy flag is used Makes the MySQL engine refuse UPDATE and which other command?
#9. What is a candidate key?
#10. Which MYSQL statement is used to delete data from a database?
#11. How much storage space does DATETIME require?
#12. An outer join requires each record in the two joined tables to have a matching record.
#13. Primary Key does allow the Null Values. where as in Unique key doesn’t accept the Null values.
#14. Can I define multiple unique constraints on a table?
#15. Which of the following ways below are the correct way to get the current date?
#16. Can DISTINCT command be used for more than one column?
#17. Which is the default order of sort in ORDER BY clause?
#18. Can I call a trigger directly called from an application?
#19. How much character are allowed to create database name?
#20. With SQL, how do you select all the columns from a table named “Persons”?