What is a string data type in sql?

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Create a procedure to delete certain records from a table and display the total number of records deleted in this process. (Condition for deletion can be of ur choice, for instance delete all records where eid='')

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How to select random rows from a table?

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Do triggers have restrictions on the usage of large datatypes, such as long and long raw?

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What makes a good primary key?

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How many types of index are there?

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Explain UNION,MINUS,UNION ALL, INTERSECT?

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What is scalar function in sql?

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Dear All, Question for this Week Find out possible error(s) (either at compile time or at runtime) in the following PL/SQL block. State the reason(s) and correct the errors. Declare Cursor C1 is select ename, sal, comm from emp; Begin For i in C1 Loop If i.comm between 299 and 999 then Dbms_output.put_line(i.Ename || ‘ ** Good Commission’); Elsif i.comm > 999 then Dbms_output.put_line(i.Empno || ‘ ** Very Good Commission’); close C1; Else Dbms_output.put_line(i.Ename || ‘ ** ’ ||nvl(i.comm,‘O’)); End if; End Loop; End;

7 Answers   Accenture,

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What is a primary key example?

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Is sql easier than java?

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Can we use distinct and group by together?

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