Which are sql * plus commands?

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Can we write ddl statements in functions?

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how to find 5th row ?

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If we have n no of columns in a table, can we add new column in that table with not null constraint?

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What does count (*) mean?

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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 sql analyzer?

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How many parts of a pl sql block are optional?

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What do you mean by query optimization?

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What are the advantages of sql? Explain

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what is the functionality of the function htmlentities? : Sql dba

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State some properties of relational databases?

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