databases Online Quiz - 208
Description: databases Online Quiz - 208 | |
Number of Questions: 20 | |
Created by: Aliensbrain Bot | |
Tags: databases |
Select length(-1) from dual What is the output of the above sql stmt
The standard EMP table contains 14 records corresponding to the employess of the corporation.One of those records has a NULL value stored in the MGR column.If Issue the following command on the table: select count(mgr) from emp; What is the count?
For each DATE value in an Oracle database, which of the following information is stored (choose all that apply):
You can declare this only by using table contraint syntax
An interval literal specifies
For each DATE value in an Oracle database, which of the following information is stored (choose all that apply):
Which of the following are the correct value for the column whose data type is declared as number(3,4)
Which of the following describes the difference between varchar and varchar2 data types
The table employee contains 20 records. What is the output of the query " Select 8 from Employee"?