Tag: databases

Which one is PL/SQL (but not SQL) datatype

Select all ANSI supported datatypes.

What is the Max size of NVARCHAR2 in PL/SQL?

What is the correct order to get a correct SQL statement?

NULL values violate CHECK constraint

Which of these operators is used to calculate super aggregate results?

Which is the syntax for enforcing the rule of deleting the dependent Foreign Key values on the deletion of a Primary Key?

UNION ALL has a comparitively faster performance compared to UNION?

Which of these is a String Aggregation function used to get values from different rows into a single column?

TRANSLATE