Answer / swapna

Tunning means Making the database application run
faster,faster means high througtput. You can also say
that when your program using so many resources and
performance is low,now TUNNING comes in the picture.

Tunning Considerations

1) database availibility.
2)Database hit percentages.
3)Memory Utilization. etc

Tunning Steps

1) Tune the database(normalization).
2) Tune the application design.
3) Tune the resource concetanation.
4) Tune the Operating System. etc

For Tunning some Tools are avaliable.

1) SQL Trace / Autotrace.
2) Explain Plan.
3) SQL analyser.
4) TKPROOF. Tkproof is a utility that convert the .trc file
(trace file,which is in semi readble
format) in to readble format.

Answer / suresh somayajula

Tkproof is a tool by Oracle to format the trace file Output.

What is a behavioral trigger?

0 Answers  

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declare v_count number(8,3); v_sal scott.emp.sal%type := '&P_sal'; cursor cur_name is select sal from scott.emp where sal between (v_sal-100) and (v_sal +1000); begin v_count :=nvl(sql%rowcount ,0); if v_count = 0 then dbms_output.put_line('no records are fetch in the given sal range'); else dbms_output.put_line('There is/are '||to_char(v_count)|| ' salaries are selected in the given range '); end if; end; in the above programm .....for any sal range ....always it shows the following message.. no records are fetch in the given sal range please find the mistake and share with me...with thansk and regards..sarao....

3 Answers   Satyam,

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TABLE A TABLE B EMPNO ENAME EMPNO ENAME 1 A 1 A 2 B 2 B 3 C 3 C 4 D 4 D 5 E 5 E 6 F 7 G HOW TO GET THE UNMATCHED RECORDS IN SQL QUERY?

10 Answers   Satyam,

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