Where is the export dump file located?
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The table has 3 columns 4 rows. The output is which column has least null values( A COL SHOULD BE THE OUTPUT) Write the query plz. A B C ================ 1 NULL 2 NULL 3 4 NULL 5 6 7 NULL NULL O/P C = 2 4 6
Why should I use oracle database?
How to do a full database export?
Anybody can tell me, how do we find second largest emp salary from emp table.. Thanks in advance ...
10 Answers Cognizant, ID, NTTF Nettur Technical Training Foundation, Sony, Verizon,
how will I find the first 5 highest salaried employees in each dept in oracle.
what are the database links ?
how to find full database size
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What does sharding mean?
How to create a single index for multiple columns?
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Explain the different normalization forms?
You have one employee table having 3 entries emp_id, Mgr_id and salary. Mgr_id is also referencing emp_id. so now find out the emp_id which are having the second highest salary, under a particular manager.