What is a heap in sql?

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what is cursor. write example of it. What are the attributes of cursor.

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Is join same as left join?

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What is union?

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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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Can you load data into multiple tables at once? : aql loader

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how to concatenate two character strings? : Sql dba

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What are the subsets of sql?

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create a store procedure and created synonms for that store procedure after modify that store procedure will effect on synonms? If we delete the store procedure what happened to that synonms?

2 Answers   Polaris,

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how to select unique records from a table? : Sql dba

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describe transaction-safe table types in mysql : sql dba

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can i write pl/sql code in a package

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