Spend a lot of time to insert

Hi, I have a Insert which spend a lot of time.
Is a simple insert:
INSERT INTO TFE002
(X_NOMCORRECTO,C_TITULAR,X_APPCORRECTO,X_ANOVAL,
C_MODULAR,X_APMCORRECTO,C_USUARIO,C_POBLACION,
C_FORMATO,C_LOTE,C_SECUENCIA,C_PERIODO,
X_T,X_NI,X_GRADO,X_SEXO,X_LOTEJUNTOS,
X_ESTADO,X_CONTROL,F_REGISTRO,X_UBIGEO,
N_ORDEN, X_CONSISTENCIA, C_DEPA, C_PROV, C_DIST
)VALUES
(LS_NOMBRES, LS_TITULAR, LS_APPATERNO, W_ANIO,
LS_CENTROEDUCA, LS_APMATERNO, USER, LS_POBLACION,
LS_FORMATO, LS_LOTE, LS_SECUENCIAL, LS_PERIODO,
NULL, NULL, TO_NUMBER(LS_GP), LS_SEXO, NULL,
'1', NULL, NULL, LS_UBIGEO,
LN_CONT,'0', SUBSTR(LS_UBIGEO,1,2), SUBSTR(LS_UBIGEO,3,2), SUBSTR(LS_UBIGEO,5,2));
I search for some trigger in insert, but it wasn't the problem. Tablespaces are not problem , they have enough espace.
What else could be???

Define "a lot of time". Exactly how long is this running?
Are you running a singleton INSERT, or are you calling this repeatedly in a loop?
Have you traced the session? Where is the time being spent?
"I search for some trigger in insert, but it wasn't the problem" Does that mean there are no triggers on this table?
Justin

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How I can improve further. Will it be good enough if I create Indexes on the columns for the temp table and try.or what If I use derived tables??
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hi ,
Heads up : oracle 10g
I have insert SQL script for insertion into table , It takes long time to insert into table.
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please help !

804282 wrote:
Yes , I make a repetitive (manual insert stmnts) SQL scripts. This means that each of these SQL statements need to be compiled (hard parsed). This is very expensive and consumes a lot of CPU. A better method is soft parsing - create a single SQL statement with bind variables. This compiled SQL can then be used and re-used again and again for inserting different row values.
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insert into foo_tab values( 1 );
insert into foo_tab values( 2 );
insert into foo_tab values( 100000 );The correct method is using bind variables. Your create a single SQL that contains bind variables. The SQL statement looks as follows:
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SQL> create table foo_tab( id number );
Table created.
SQL> var maxrows number
SQL> exec :maxrows := 100000;
PL/SQL procedure successfully completed.
SQL> -- insert using hard parsing
SQL> declare
2          t1      number;
3 begin
4          t1 := dbms_utility.get_cpu_time;
5          for i in 1..:maxrows
6          loop
7                  execute immediate 'insert into foo_tab values( '||i||' )';
8          end loop;
9          dbms_output.put_line( 'time: '||to_char(dbms_utility.get_cpu_time-t1) );
10          dbms_output.put_line( 'rows/sec: '||to_char (:maxrows/(dbms_utility.get_cpu_time-t1),9990.0));
11          rollback;
12 end;
13 /
time: 4144
rows/sec:    24
PL/SQL procedure successfully completed.
SQL> -- inserting using soft parsing
SQL> declare
2          t1      number;
3 begin
4          t1 := dbms_utility.get_cpu_time;
5          for i in 1..:maxrows
6          loop
7                  execute immediate 'insert into foo_tab values( :0 )' using i;
8          end loop;
9          dbms_output.put_line( 'time: '||to_char(dbms_utility.get_cpu_time-t1) );
10          dbms_output.put_line( 'rows/sec: '||to_char (:maxrows/(dbms_utility.get_cpu_time-t1),9990.0));
11          rollback;
12 end;
13 /
time: 304
rows/sec:   329
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We have some data loading script. This scripts takes lots of time to execute. As Iam new to tunning please do let me know what is the wrong with the query !!
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Query:
=========
INSERT /*+ PARALLEL */ INTO ris.ris_pi_profile
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0,
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