Results
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#1. Which SQL statement is used to extract data from a database?
#2. How much character are allowed to create database name?
#3. Which of the following file extension is a valid MyISAM file extension?
#4. Can DISTINCT command be used for more than one column?
#5. Can I define multiple unique constraints on a table?
#6. Which is the default order of sort in ORDER BY clause?
#7. Which MYSQL statement is used to update data in a database?
#8. How can we get the number of records or rows in a table?
#9. Which MYSQL statement is used to delete data from a database?
#10. –i-am-a-dummy flag is used Makes the MySQL engine refuse UPDATE and which other command?
#11. With SQL, how do you select all the columns from a table named “Persons”?
#12. How much storage space does DATETIME require?
#13. What does SQL stand for?
#14. An outer join requires each record in the two joined tables to have a matching record.
#15. Which of the following ways below are the correct way to get the current date?
#16. What is a candidate key?
#17. When do we use a HAVING clause?
#18. On executing DELETE command, if you get an error “foreign key constraint”- what does it imply?
#19. 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
#20. Which SQL keyword is used to sort the result-set?