What is a trigger in pl/sql?

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Is pl sql useful?

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Is hadoop a nosql?

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what is row? : Sql dba

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what happens when the column is set to auto increment and you reach the maximum value for that table? : Sql dba

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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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have table with two columns with datatypes as number and varchar and the values in A column like 1,2,3 AND B column values like a,b,c. now need to display data in a single column as 1,a,2,b,3,c.

8 Answers   IBM, Zensar,

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how to return query output in html format? : Sql dba

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select * from emp where sal in(select max(sal) from emp) here there is any limit for in operator how many values accpect ?

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how will be date change into string

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What is bulk collect in pl sql?

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Explain two virtual tables available at the time of database trigger execution.

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