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ORACLE  PL/SQL BULK INSERT

Posted on 2007-11-23
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Last Modified: 2013-12-19
Hi experts,
I have PL/SQL procedure, which fetchs row and concatenate  rows into a column with a delimiter  and insert on to table. This process is done row by row.
For example,
source table
COLUMN1           COLUMN2
1                           A
1                           B
1                           C
2                            D
2                             E
3                            F
3                            A
output  table
 COLUMN1           COLUMN2
1                           A,B,C
2                            D,E
3                            F,A

Could any one provide/suggest how to   process and insert the records in bulk.
Thanks
sree
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Question by:sreej
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4 Comments
 
LVL 143

Accepted Solution

by:
Guy Hengel [angelIII / a3] earned 300 total points
ID: 20340704
there is a "easy" way to do it, shown/explained here:
http://halisway.blogspot.com/2006/08/oracle-groupconcat-updated-again.html

if you need help implementing it, please ask
0
 
LVL 74

Assisted Solution

by:sdstuber
sdstuber earned 100 total points
ID: 20340826
CREATE OR REPLACE TYPE "STRING_AGG_TYPE" AS OBJECT(
    total   VARCHAR2(4000),
    STATIC FUNCTION odciaggregateinitialize(sctx IN OUT string_agg_type)
        RETURN NUMBER,
    MEMBER FUNCTION odciaggregateiterate(
        SELF    IN OUT   string_agg_type,
        VALUE   IN       VARCHAR2
    )
        RETURN NUMBER,
    MEMBER FUNCTION odciaggregateterminate(
        SELF          IN       string_agg_type,
        returnvalue   OUT      VARCHAR2,
        flags         IN       NUMBER
    )
        RETURN NUMBER,
    MEMBER FUNCTION odciaggregatemerge(
        SELF   IN OUT   string_agg_type,
        ctx2   IN       string_agg_type
    )
        RETURN NUMBER
);
/


CREATE OR REPLACE TYPE BODY STRING_AGG_TYPE
IS
    STATIC FUNCTION odciaggregateinitialize(sctx IN OUT string_agg_type)
        RETURN NUMBER
    IS
    BEGIN
        sctx := string_agg_type(NULL);
        RETURN odciconst.success;
    END;
    MEMBER FUNCTION odciaggregateiterate(
        SELF    IN OUT   string_agg_type,
        VALUE   IN       VARCHAR2
    )
        RETURN NUMBER
    IS
    BEGIN
        SELF.total := SELF.total || ',' || VALUE;
        RETURN odciconst.success;
    END;
    MEMBER FUNCTION odciaggregateterminate(
        SELF          IN       string_agg_type,
        returnvalue   OUT      VARCHAR2,
        flags         IN       NUMBER
    )
        RETURN NUMBER
    IS
    BEGIN
        returnvalue := LTRIM(SELF.total, ',');
        RETURN odciconst.success;
    END;
    MEMBER FUNCTION odciaggregatemerge(
        SELF   IN OUT   string_agg_type,
        ctx2   IN       string_agg_type
    )
        RETURN NUMBER
    IS
    BEGIN
        SELF.total := SELF.total || ctx2.total;
        RETURN odciconst.success;
    END;
END;
/

CREATE OR REPLACE FUNCTION stragg(input VARCHAR2)
    RETURN VARCHAR2 PARALLEL_ENABLE AGGREGATE
    USING string_agg_type;

stragg is also from Tom Kyte.  His new method of using hierarchical queries is interesting but more expensive than using his original method of stragg.

0
 
LVL 28

Assisted Solution

by:Naveen Kumar
Naveen Kumar earned 100 total points
ID: 20344971
just browse thru the below links to understand the different methods availabe to get the result output you wanted.

http://www.oracle-base.com/articles/10g/StringAggregationTechniques.php 

Thanks
0
 

Author Comment

by:sreej
ID: 20347782
Thanks Experts. All answers are excellent. However i have assigned maxmimun points for the first expert comment.
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