Write a query to find five highest salaries from EMP table. (there is a column SALARY)23 34069
What is meant by Join? What are the different types of Joins available? Explain.5 12605
How will you select unique values from a list of records?7 11613
How will you delete a particular row from a Table?7 10603
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From an Employee table, how will you display the record which has a maximum salary?29 22847
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one of the column in my table contains the data like SAL ---- 1000 1000 2000 3000 3000 So my requirement is i want output like SAL --- 1000 2000 3000 it mean i want to delete duplicate rows in the table permanently and i want output in the above formatow should u write query?13 13687
what is global temporary tables and how use that tables in pl/sql packages1 7925
Interchange the value of a column Gender in a table where values are Male and Female. So, where the value is Male, it should changed to Female and Female to Male.3 13113
What will be the output of this Query? select to_char(trunc(add_months(sysdate-3),mm),mm/dd/yyyy) from dual6 14006
What are the steps you take to tune(performance tuning) the code in plsql?4 12470
I have a tablle like this. cust acc --------------- a 1 b 2|3 c 4|5|6 I Want below o/p: cust acc ----------- a 1 b 2 b 3 c 4 c 5 c 6 Please any one can you have any ideas share me. I have urgent requirement.3 6836
which will default fire first statement level trigger or row level trigger2 5085
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Explain microstrategy logical primary keys?
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From where i can get cds about mechanical related subjests