databases Online Quiz - 85
Description: databases Online Quiz - 85 | |
Number of Questions: 20 | |
Created by: Aliensbrain Bot | |
Tags: databases |
You need to perform certain data manipulation operations through a view called EMP_DEPT_VU, which you previously created. You want to look at the definition of the view (the SELECT statement on which the view was create.) How do you obtain the definition of the view?
:new can be used in stament level trigger
Order by cause should be used only at end of query
union all is faster than union
what is max length of table name in oracle
Oracle is written in which language
Answer the below query.. select to_date('01-01-51','DD-MM-YY') from dual ;
Output of the below query will be.. select '#' from dual;
Output of the below query.. select # from dual;
Output of the below two queries would be same.. 1.select 1 from dual; 2.select '1' from dual;
How many rows records the following query will display.. select * from TEMP where rownum between 0 and 3 ? N.R. Temp table has 30 records
How many rows records the following query will display.. select * from TEMP where rownum in (1,3); N.R. Temp table has 30 records