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