Using the merge statement on support-compatible version table time invalid

Hello
just a simple question: is it possible to use a merge statement on a table of valid time support-compatible version?

For the next test, I get an ORA-01733.
(t1 is the version table compatible with time valid support t1 and t2 have the same structure: two fields: NAME and CODE (pk))

merge into < table1 > t1
with the help of < table2 > t2
on (t1. CODE = t2. CODE)
when matched, THEN update set t1.NAME = t1.NAME
where <>t1.NAME, t2.NAME;

Thank you

Hello

The sql merge operation does not currently work with versioned tables, with or without validtime. The optimizer of the merger results in insert/update statements on the underlying table for the _LT. As a result, instead of triggers that are created during the enableversioning are never triggered.

Kind regards
Ben

Tags: Database

Similar Questions

  • Different result by using the MERGE statement

    I have 2 SQL statements:

    MERGE INTO PT_CQS_AGGR APC

    With the HELP of PT_CQS_AGGR_TEMP Lady

    WE (concat (concat(pca.from_city_id,pca.to_city_id), pca.query_timestamp_hh) = concat (concat(pcah.from_city_id,pcah.to_city_id), pcah.query_timestamp_hh))

    WHEN MATCHED THEN

    Setting a DAY SET pca.search_count = pca.search_count + pcah.search_count

    WHEN NOT MATCHED THEN

    VALUES of INSERTION (to_city_id, query_timestamp_hh, from_city_id, search_count) (pcah.from_city_id, pcah.to_city_id, pcah.query_timestamp_hh, pcah.search_count);

    AND

    MERGE INTO PT_CQS_AGGR APC

    With the HELP of PT_CQS_AGGR_TEMP Lady

    WE (pca.from_city_id = pcah.from_city_id AND pca.to_city_id = pcah.to_city_id AND pca.query_timestamp_hh = pcah.query_timestamp_hh)

    WHEN MATCHED THEN

    Setting a DAY SET pca.search_count = pca.search_count + pcah.search_count

    WHEN NOT MATCHED THEN

    VALUES of INSERTION (to_city_id, query_timestamp_hh, from_city_id, search_count) (pcah.from_city_id, pcah.to_city_id, pcah.query_timestamp_hh, pcah.search_count);

    First statement correctly the merged data, but use FULL TABLE SCANS, so it's rather slow. Second statement using a UNIQUE INDEX on the columns from_city_id, to_city_id, and query_timestamp_hh on the MAP of EXPLAIN, but during the execution of I've got ORA-00001: unique constraint (PODOWNER. IDX_CQS_AGGR_3COL) violated. What is the problem with the second statement - especially with this line:

    WE (pca.from_city_id = pcah.from_city_id AND pca.to_city_id = pcah.to_city_id AND pca.query_timestamp_hh = pcah.query_timestamp_hh)

    Can I use a more complex condition in the MERGE statement? Because it seems that not all the conditions have been taken...

    ???

    Select pcah.from_city_id, pcah.to_city_id, PT_CQS_AGGR_TEMP Lady pcah.query_timestamp_hh

    less

    Select pca.from_city_id, pca.to_city_id, pca.query_timestamp_hh PT_CQS_AGGR pca

    somewhere the conditions limiting the time.

    (or whatever the columns make up the stress of failing)

    In addition, select for each column in the constraint of failure where the column is null.  If one of these columns is null, equality fails, even if both are null, because null <> null.  So you will get a "no match" if all values are the same and it is set to null.

    Edit: Oh, slap forehead, that is why one works and the complete analysis.  As SomeoneElse said, it normalizes the type of data and concatenates, comparison null to no effect and refusing all usual index.

  • Error in the Merge statement using dblink

    Hello

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    Please suggest any help will be much appreciated.

    Thanks in advance

    Hi Aqeel

    If insert and update statements work well through links db, then it should not be a problem with the merge statement. But if you are faced with the question, so please check the entire sql statement with tnsnames on both sides. Please share the tnsnames for the two dbs with dblink ddl.

    Concerning

    Jihane Narain Sylca

  • When using the merge and when to use updated

    Hi friends,

    Given the best performance... purpose of this discussion is when we should use statement UPDATE and when we should use MERGE statement in oracle update of thousands of records.

    Kindly Guide.

    Kind regards

    Himanshu

    Hello

    Looking for a couple to a few rules that you can use to decide whether to use the MERGE or UPDATE, without actually testing two meanings?

    If so, use MERGE when

    (1) (sometimes) need to add new lines

    (2) it is simpler.  This includes special cases

    (2A) an UPDATE statement uses a subquery in the SET clause and then (mostly) repeats the same subquery in the WHERE clause

    (2B) you want to use the analytical functions or CONNECT BY in a subquery

    These rules are NOT guaranteed to work in all situations.

    Kimmy says:

    Hello

    ... My requirement is only UPDATED records about 200 to 500K (NOT followed by update of insertion).

    So the rule (1) above does not apply in this case.

    What I observed in the update using a MERGE statement and UPDATE is:

    Update with the MERGER was faster however explain the bytes consumed to the query plan MERGE has been compared more update.

    Use the tool that works best for your needs.  If users are complaining that something shows more bytes used in a plan to explain, so maybe it's a reason for the UPDATE.

    Where I work, where is the fastest is usually more important.

    In addition, I want to get clearity

    1. "if I should use MERGE if I need to update recrods using the unique table" as shown below: OR update will be good to use in this case:

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    ON (inmkt. Distributor_Code = c.Customer_Code AND inmkt. DISTRIBUTOR_CODE IS NOT NULL)

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    Updated the inmkt VALUE. Distributor_Region = c.Region,

    inmkt. C.State = Distributor_Province;

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    The UPDATE statement changes all the lines in the table mkt_data that have a distributor_code, this distributor_code be in the table customer_data or not.

    You want something that is equivalent to the MERGE statement, you can use:

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    SET (inmkt. Distributor_Region, inmkt. Distributor_Province) =

    (SELECT c.Region, c.State

    OF CUSTOMER_DATA c

    WHERE c.Customer_Code = inmkt. Distributor_Code

    )

    WHERE THERE ARE

    (SELECT 1

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    WHERE the c2. Customer_Code = inmkt. Distributor_Code

    )

    ;

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    If you have a foreign key constraint, which ensures that each distributor_code in mkt_data will match a line in customer_data, then the 2 statements above will produce the same results.  In this case, I find the UPDATE statement simpler and probably use it rather than MERGE.

    2. to Updating huge amount of records MERGER must be used instead of update?

    I don't know of all short reign as the "use X whenever you have more than 100,000 lines".

    3. If in the update, I need to use several tables then I have to use MERGE?

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    SELECT DISTINCT srt. Sales_Id, tmkt. Cust_Code, srt. PRODUCT_CENTER

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    WHERE tmkt.state_Id = 10423

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    AND c.CUST_CODE = tmkt. Cust_Code

    AND c.Rollup_Code = srt. CUST_CODE

    AND srt. PRODUCT_CENTER = tmkt.PL

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    AND t.Cust_Code = d.Cust_Code

    AND t.PL = d.PRODUCT_CENTER

    AND t.Cust_Code IS NOT NULL

    )

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    UPDATE SET t.Sales_Id = d.Sales_Id;

    UPDATE MKT_DATA2 tmkt

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    WHERE c.CUSTOMER_CODE = tmkt. Cust_Code)

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    OF srt, CUSTOMER_DATA c, MKT_DATA2 tmkt SALESTERR_PL

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    AND tmkt. Business = 'MARKETING'

    AND c.CUST_CODE = tmkt. Cust_Code

    AND c.Rollup_Code = srt. CUST_CODE

    AND srt. PRODUCT_CENTER = tmkt.PL

    ) d

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    AND t.PL = d.PRODUCT_CENTER

    )

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    UPDATE SET t.Sales_Id = d.Sales_Id

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    ;

    If you would care to publish the sample data, I was able to test this.

    4. when the UPDATE is preferred over the MERGER?

    In simple cases, including situations where all you need to know are on the line itself, such as:

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    SET sal = sal * 1.05

    Job WHERE NOT IN ('MANAGER', 'PRÉSIDENT')

    ;

  • Get error in the merge statement

    Version of Oracle, Oracle Database 11g Express Edition Release 11.2.0.2.0 - Production
    Hi gurus

    I am trying to perform the merge statement using the clause, but I get the error message, see below my sample data:

    Examples of data

    DROP TABLE OF BILLING;

    DROP TABLE GROUP_MST;

    DROP TABLE age_max;

    CREATE ARRAY OF BILLING

    (

    BILLING_ID NUMBER (5),

    RATE NUMBER (5),

    MAXIMUM_AGE NUMBER (5),

    package_id NUMBER (5)

    );

    INSERT

    IN BILLING

    (SELECT 11,1,10,100 FROM DUAL

    UNION ALL

    SELECT 12,2,15,100 FROM DUAL

    UNION ALL

    SELECT 13,3,20,100 FROM DUAL

    );

    CREATE TABLE GROUP_MST

    (group_number NUMBER (5), package_id NUMBER (5))

    );

    INSERT INTO GROUP_MST

    (SELECT DOUBLE 5 000 100

    );

    -------

    CREATE TABLE AGE_MAX

    (group_number NUMBER (5), max_age NUMBER (5))

    );

    INSERT

    IN AGE_MAX

    (SELECT 5000,60 FROM DUAL

    );

    Merge statement

    MERGE INTO DRC USING billing

    (WITH datum1 AS

    (SELECT A.group_number,

    b.billing_id,

    b.rate,

    b.maximum_age,

    b.package_id

    OF group_mst A,.

    b billing

    WHERE A.package_id = b.package_id

    ),

    datum2 AS

    (SELECT max_age, group_number FROM age_max

    )

    SELECT * FROM A, b WHERE A.group_number = b.group_number datum2 datum1

    )

    CBC ON (drc.billing_id = src.billing_id)

    WHEN MATCHED THEN

    UPDATE SET drc.maximum_age = src.max_age - 1;

    Error

    Error from the 33 in the command line:

    MERGE INTO DRC USING billing

    (WITH datum1 AS

    (SELECT A.group_number,

    b.billing_id,

    b.rate,

    b.maximum_age,

    b.package_id

    OF group_mst A,.

    b billing

    WHERE A.package_id = b.package_id

    ),

    datum2 AS

    (SELECT max_age, group_number FROM age_max

    )

    SELECT * FROM A, b WHERE A.group_number = b.group_number datum2 datum1

    )

    CBC ON (drc.billing_id = src.billing_id)

    WHEN MATCHED THEN

    UPDATE SET drc.maximum_age = src.max_age - 1

    Error in the command line: 50 column: 1

    Error report:

    SQL error: ORA-00918: column ambiguously defined

    00918 00000 - "ambiguously defined column.

    * Cause:

    * Action:

    Thanks in advance

    Concerning

    Shu

    WITH datum1 AS (SELECT A.group_number,

    b.billing_id,

    b.rate,

    b.maximum_age,

    b.package_id

    OF group_mst A, b billing

    WHERE A.package_id = b.package_id),

    datum2 AS (SELECT max_age, group_number FROM age_max)

    SELECT A.*, b.max_age, b.group_number as group_number_b - ERROR HERE

    OF datum1 A, b datum2

    WHERE A.group_number = b.group_number

  • Return in the MERGE statement clause

    Hello

    I use Oracle 10 g Version

    I tried the code using UPDATE with return Clause & MERGER with return below Clause.

    I have not found ANY error while working with the UPDATE statement. Here is the code with the UPDATE statement

    DECLARE
       TYPE empno_list IS TABLE OF emp.empno%TYPE;
       vempno_list   empno_list;
    BEGIN
          UPDATE emp
             SET comm = 11
           WHERE deptno IN (SELECT deptno FROM dept)
       RETURNING empno
            BULK COLLECT INTO vempno_list;
       FOR i IN vempno_list.FIRST .. vempno_list.LAST
       LOOP
          DBMS_OUTPUT.put_line ('Values of EMP ' || vempno_list (i));
       END LOOP;
    END;   
    

    But PL/SQL error: ORA-00933: SQL not correctly completed command when you work with the MERGE statement

    declare 
     type empno_list  is  table of emp.empno%type;
     vempno_list empno_list;
    begin                
       merge into emp tgt 
          using dept src
            on (src.deptno =tgt.deptno)
            when matched then 
             update set tgt.comm=12
           returning tgt.empno bulk collect into vempno_list ;
           
            for i in vempno_list.first .. vempno_list.last loop
                    dbms_output.put_line('Values of EMP '||vempno_list(i) ) ;
            end loop;
    end;  
    

    Please suggest me

    Probably because BACK IN clause does not belong to the MERGE statement. It is available only for INSERT, UPDATE, and DELETE. Here's the quote from Oracle Documentation:

    The static method RETURNING INTO article belongs to a DELETE , INSERT , or UPDATE statement. The dynamic RETURNING INTO article belongs to a EXECUTE IMMEDIATE statement.

    And here is the link.

    Back IN the Clause

    It will be useful.

    Ishan

  • Problem in the Merge statement

    Hi all

    I use the merge updated statement 30000 records of tables having 55 records of Lakes.
    But it takes a lot of time as I kill the session after 12 hours, as it was still ongoing.

    So, the same day I m using cursors, it will end in less than 3 hours.

    I used merge is: -.

    MERGE IN Table1 a
    USING (SELECT MAX (TO_DATE (TO_CHAR (contact_date, "dd/mm/yyyy")
    || contact_time,
    "jj/mm/aaaa HH24:Mi:SS".
    )
    ) m_condate,.
    appl_id
    FROM Table2 b,.
    (SELECT DISTINCT acc_no acc_no
    IN table 3, Table1
    WHERE acc_no = appl_id AND delinquent_flag = 'Y '.
    AND financier_id = 'NEWACLOS') d
    WHERE d.acc_no = b.appl_id
    AND (contacted_by IS NOT NULL
    OR followup_branch_code IS NOT NULL
    )
    GROUP BY appl_id) c
    WE (a.appl_id = c.appl_id AND a.delinquent_flag = 'Y')
    WHEN MATCHED THEN
    UPDATE
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    In this query, table 1 has 30000 documents and table 2 and table 3 have records 3670955 and 555674 respectively.

    Please suggest, what I'm doing wrong with merger, because according to my understanding merge statement is much better than the updates or updates using cursors.

    Required info is as follows:

    SQL > show the user_dump_dest parameter

    VALUE OF TYPE NAME
    ------------------------------------ ----------- ------------------------------
    user_dump_dest string/opt/oracle/admin/FINCLUAT/udu
    MP
    SQL > show parameter optimizer

    VALUE OF TYPE NAME
    ------------------------------------ ----------- ------------------------------
    optimizer_dynamic_sampling integer 2
    optimizer_features_enable string 10.2.0.4
    optimizer_index_caching integer 0
    OPTIMIZER_INDEX_COST_ADJ integer 100
    the string ALL_ROWS optimizer_mode
    optimizer_secure_view_merging Boolean TRUE
    SQL > show parameter db_file_multi

    VALUE OF TYPE NAME
    ------------------------------------ ----------- ------------------------------
    db_file_multiblock_read_count integer 16
    SQL > show parameter db_block_size

    VALUE OF TYPE NAME
    ------------------------------------ ----------- ------------------------------
    Whole DB_BLOCK_SIZE 8192
    SQL > column sname format a20
    SQL > column pname format a20
    SQL > column pval2 format a20
    SQL > select
    2 sname,
    3 pname,
    pval1 4,.
    5 pval2
    6 of
    7 sys.aux_stats$;
    sys.aux_stats$
    *
    ERROR on line 7:
    ORA-00942: table or view does not exist


    Elapsed time: 00:00:00.05
    SQL > explain the plan for
    2 - Put your statement here
    3 MERGE IN one cs_case_info
    4 USE (SELECT MAX (TO_DATE (TO_CHAR (contact_date, "dd/mm/yyyy")
    5                          || contact_time,
    6 'dd/mm/yyyy HH24:Mi:SS.
    7                          )
    (8) m_condate,
    9 appl_id
    CS_CASE_DETAILS_ACLOS 10 b,
    11 (SELECT DISTINCT acc_no acc_no
    12 OF NEWACLOS_RESEARCH_HIST_AYLA, cs_case_info
    13 WHERE acc_no = appl_id AND delinquent_flag = 'Y '.
    14 AND financier_id = "NEWACLOS") d
    15 WHERE d.acc_no = b.appl_id
    16 AND (contacted_by IS NOT NULL
    17 GOLD followup_branch_code IS NOT NULL
    18                )
    C 19 GROUP BY appl_id)
    20. WE (a.appl_id = c.appl_id AND a.delinquent_flag = 'Y')
    21. WHEN MATCHED THEN
    UPDATE 22
    23 SET last_contact_date = c.m_condate
    24;

    He explained.

    Elapsed time: 00:00:00.08
    SQL > select * from table (dbms_xplan.display);

    PLAN_TABLE_OUTPUT
    ----------------------------------------------------------------------------------------------------------------------------------

    --------------------------------------------------------------------------------------------------
    | ID | Operation | Name | Lines | Bytes | TempSpc | Cost (% CPU).
    --------------------------------------------------------------------------------------------------
    | 2 > MERGE STATEMENT | 47156 | 874K | 128K (1) |
    | 1. MERGE | CS_CASE_INFO |
    | 2. VIEW |
    | 3. HASH JOIN | 47156 | 36 M | 5672K | 128K (1) |
    | 4. VIEW | 47156 | 5111K | 82339 (1) |
    | 5. GROUP SORT BY | 47156 | 4236K | 298 M | 82339 (1) |
    | 6. HASH JOIN | 2820K | 247 M | 10 M | 60621 (1) |
    | 7. HASH JOIN | 216K | 7830K | 6985 (1) |
    | 8. VIEW | the index $ _join$ _012 | 11033. 258K | 1583 (1) |
    | 9. HASH JOIN |
    | 10. INDEX RANGE SCAN | IDX_CCI_DEL | 11033. 258K | 768 (1) |
    | 11. INDEX RANGE SCAN | CS_CASE_INFO_UK | 11033. 258K | 821 (1) |
    | 12. FULL RESTRICTED INDEX SCAN FAST | IDX_NACL_RSH_ACC_NO | 5539K | 68 M | 5382 (1) |
    | 13. TABLE ACCESS FULL | CS_CASE_DETAILS_ACLOS | 3670K | 192 M | 41477 (1) |
    | 14. TABLE ACCESS FULL | CS_CASE_INFO | 304K | 205 M | 35975 (1) |
    --------------------------------------------------------------------------------------------------

    Note
    -----
    -"PLAN_TABLE' is old version

    24 selected lines.

    Elapsed time: 00:00:01.04
    SQL > rollback;

    Complete restoration.

    Elapsed time: 00:00:00.03
    SQL > set autotrace traceonly arraysize 100
    SQL > alter session set events 10046 name context forever, trace level 8';
    ERROR:
    ORA-01031: insufficient privileges


    Elapsed time: 00:00:00.04
    SQL > disconnect
    Disconnected from the database to Oracle 10 g Enterprise Edition Release 10.2.0.4.0 - Production 64-bit
    With partitioning, OLAP, Data Mining and Real Application Testing options
    SQL > spool off

    Published by: user4528984 on May 5, 2009 22:37

    Create indexes for tables. CS_CASE_DETAILS_ACLOS, CS_CASE_INFO

    also try to use the underside of suspicion

    (SELECT / * + no_merge * / SEPARATE acc_no acc_no)
    IN table 3, Table1

    HTH

  • Question about the MERGE statement

    Hi all

    I have a small question... I can post code, table creation, etc... but I think this question can be able to be simply answered, if I explain it. If you want me to zip codes, etc... then just ask and I'll do it.

    Here it goes:

    I have a set up merge statement, and I have two columns. One is named ADD_DT, and the other is called LST_UPD_DT.

    Update in the merge statement, the LST_UPD_DT column is updated with the SYSDATE.
    When it is inserted in the merge statement, the ADD_DT column is updated with the SYSDATE.

    So, here is my question:

    Regardless of whether or not the information is updated, the LST_UPD_DT updates the SYSDATE every time. Any advice on how to update the LST_UPD_DT column only if information is changed/updated, so that the information is not changed would be not updated by the SYSDATE? I hope that this question was not too complicated.

    Thank you all and if you want to see the code or examples of table... Please ask and I'll post one. I just thought that this may be able to meet without it.

    Hello

    991769 wrote:
    OK, here's what the table looks like:

    Thank you.

    CREATE TABLE TBL_SUPPLIERS
    (
    SUPP_CD                 VARCHAR2(40 CHAR),
    SUPP_NM                 VARCHAR2(255 CHAR),
    ADD_DT                  VARCHAR2(50 CHAR),
    LST_UPD_DT              VARCHAR2(50 CHAR))
    

    Do not use a VARCHAR2 column for date information. Use a DATE column.

    CREATE TABLE D_SUPPLIERS
    (
    SUPP_CD                 VARCHAR2(40 CHAR),
    SUPP_NM                 VARCHAR2(255 CHAR))
    
    INSERT INTO TBL_SUPPLIERS VALUES (1234, MINING, '03-26-2013 3:33:49 PM', '04-02-2013 9:04:52 AM');
    INSERT INTO TBL_SUPPLIERS VALUES (2345, ELECTRIC, '03-26-2013 3:33:49 PM', '04-02-2013 9:04:52 AM');
    INSERT INTO TBL_SUPPLIERS VALUES (3456, COAL, '03-26-2013 3:33:49 PM', '04-02-2013 9:04:52 AM');
    

    You want people to view the solutions that actually work? Please make sure that your own instructions will actually work. Test and fix your code before posting.
    All INSERT statements you posted fail; You seem to be missing single quotes around string literals. I think you meant:

    INSERT INTO TBL_SUPPLIERS VALUES (1234, 'MINING', '03-26-2013 3:33:49 PM', '04-02-2013 9:04:52 AM');
    ...
    

    Here's one way:

    MERGE INTO  tbl_suppliers     sm
    USING  (
               SELECT  d.*
            FROM              d_suppliers        d
            LEFT OUTER JOIN  tbl_suppliers  t  ON  t.supp_cd  = d.supp_cd
            WHERE   t.supp_cd                            IS NULL
            OR        DECODE (t.supp_nm, d.supp_nm, 0, 1) = 1
           )                       ds
    ON     (sm.supp_cd = ds.supp_cd)
        WHEN MATCHED THEN
            UPDATE SET
                sm.supp_nm = ds.supp_nm,
                sm.lst_upd_dt = SYSDATE
        WHEN NOT MATCHED THEN
            INSERT (sm.supp_cd, sm.supp_nm, sm.add_dt)
            VALUES
            (ds.supp_cd, ds.supp_nm, SYSDATE);
    
    SELECT     *
    FROM     tbl_suppliers
    ORDER BY     SUPP_CD;
    

    This can be more efficient, because it does not generate redo, or triggers, when two tables have exactly the same line.

  • Person registering in the Merge statement error!

    Is it possible to save indivudual error in the MERGE statement (Update / Insert).
    I'm unable to save these error. instead of MERGING, if I update the table in the cursor loop then I am able to record the individual error but the process takes time.
    Thanks in advance.
    Deba

    Hi Deba,

    Logging of DML errors:

    SQL> create table tab1 (x number(1));
    
    Table created.
    
    SQL> exec dbms_errlog.create_error_log('tab1')
    
    PL/SQL procedure successfully completed.
    
    SQL>
    SQL> merge into tab1 t
      2        using (select 1 x from dual union all
      3               select 112 x from dual) s
      4  on (t.x = s.x)
      5  when not matched
      6  then insert (x) values (s.x)
      7  log errors into err$_tab1 reject limit unlimited;
    
    1 row merged.
    
    SQL>
    SQL> COL x for 9999
    SQL> select * from tab1;
    
        X
    -----
        1
    
    SQL> COL x for a4
    SQL> select ora_err_number$, X from err$_tab1;
    
    ORA_ERR_NUMBER$ X
    --------------- ----
               1438 112
    
    SQL>
    

    Concerning
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