Delete data from a table with joins

Hey guys,.

IV struggled for a while with a sql now.
I'm trying to remove some data from urole based on the www.lesormes.com in the select part.
The selection is correct, but the part delete Deletes all data in the table urole and not only those found in the select.

How can I delete all data by using a join?


DELETE FROM urole
WHEN THERE IS)
SELECT *.
User JOIN urole
ON user.userid = urole.userid
AND user.audit_version = urole.audit_version
JOIN secrole
ON urole.roleid = secrole.roleid
WHERE user.audit_current = 'Y '.
AND secrole.audit_current = 'Y '.
AND IN secrole.rolename
('X',
« Y »,
« Z »,
));

Thanks for your help in advance!

Hello

Welcome to the forum!

Chances are, you don't want to join in the subquery EXISTS of EPM; It is more likely you want just like this correlated subqueries:

DELETE FROM urole
WHERE  EXISTS (
                  SELECT  0
           FROM    user
           WHERE   user.userid      = urole.userid
           AND     user.audit_version = urole.audit_version
           AND     user.audit_current = 'Y'
           )
AND    EXISTS (
                  SELECT  0
           FROM    secrole
           WHERE   secrole.roleid         = urole.roleid
           AND     secrole.audit_current = 'Y'
           AND     secrole.rolename          IN ( 'X',
                                                    'Y',
                                      'Z'     -- No comma here
                                       )
           )
;

or maybe an IN subquery:

DELETE FROM urole
WHERE   p_key  IN
            (
            SELECT  urole.p_key
            FROM    user
            JOIN    urole     ON     user.userid          = urole.userid
                                  AND     user.audit_version      = urole.audit_version
            JOIN    secrole     ON     urole.roleid           = secrole.roleid
            WHERE   user.audit_current     = 'Y'
            AND     secrole.audit_current     = 'Y'
            AND     secrole.rolename      IN ( 'X',
                                                 'Y',
                                   'Z'
                                 )
            )
;

where p_key is a unique key (not necessarily a single column) of urole.

It's just a guess; That's all I can do with the information you have posted. Test this carefully before to try it on your actual data.

Whenever you have a problem, it allows to post a small example of data (CREATE TABLE and INSERT statements) and the results desired from these data.
In the case of a DML (such as DEL) problem, the sample data must re - create the tables as they are to the DML, and the results will be the content of the modified table (urole) after the DML.

Furthermore, there is a built-in function called user, the user is not a good name for a table.

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    RECORD_ID Number (38) not null,

    DOC_ID Number not null, (38)

    ATTRIBUTE_TYPE VARCHAR2 (10),

    ATTRIBUTE_VALUE VARCHAR2 (200),

    REPORT_TYPE VARCHAR2 (100),

    ATTRIBUTE_ID VARCHAR2 (80)

    );

    3 - filters_for_docid:

    create the table FILTERS_FOR_DOCID

    (

    FILTER_ID Number not null, (38)

    CONTRIBUTOR VARCHAR2 (100),

    AUTHOR VARCHAR2 (100) default not null, "No. FILTERS".

    COUNTRY VARCHAR2 (100) default not null, "No. FILTERS".

    VARCHAR2 (100) region "No. FILTERS" not null default,

    COMPANY VARCHAR2 (100) default not null, "No. FILTERS".

    INDUSTRY VARCHAR2 (100) default not null, "No. FILTERS".

    VARCHAR2 (100) of the default OBJECT not null, "No. FILTERS".

    CREATED_DATE TIMESTAMP (6) SYSTIMESTAMP not null default,

    REPORT_TYPE VARCHAR2 (100) default not null, "No. FILTERS".

    NOM_FLUX VARCHAR2 (200),

    CHANNEL_ID NUMBER (8).

    NUMBER OF CU_ID

    );

    Destination table: filtered_document

    database version:

    BANNER
    1Oracle Database 11 g Release 11.2.0.1.0 - 64 bit Production
    2PL/SQL Release 11.2.0.1.0 - Production
    3CORE11.2.0.1.0Production
    4AMT for Linux: Version 11.2.0.1.0 - Production
    5NLSRTL Version 11.2.0.1.0 - Production

    As I menteioned above the user will pass three parameters: Mast_report_id, posted_on_date, redord_id

    Here, I need to take more condition (>) to the three parameters.

    For the extraction of data, the logic is below:

    Mast_report table has two columns mast_report_id and posted_on, we need to take a larger than the condition as:

    "Select * from mast_report where and mast_report_id > 7326280 and posted_on > 25 may 2015;

    It will show many recordings roughly 10,000 with all the columns including annual column, this annual column is card with doc report_details of the table

    Now report_details table, we need recover data with annual report_details = (all the table of mast_report annual that we extract our first query) and record_id > settings of this sp record id.

    lets assume he'll again get 10000 files with all the columns.

    Now the main logic is to extract the data of using our highest performance and the third table FILTERS_FOR_DOCID.

    Assume that this is the result of our query above:

    RECORD_IDANNUALATTRIBUTE_TYPEATTRIBUTE_VALUEREPORT_TYPEATTRIBUTE_ID
    17057411269222703COMPANYTGS NOPEC GEOPHYSICAL COMPANY ASASOCIETY REPORT100203621
    27112370469222704COMPANYVOLVO ABSOCIETY REPORT100062389
    37096287469222713COMPANYPARTNERRE LTD.SOCIETY REPORT100037448
    47056915069222713COMPANYPARTNERRE LTD.SOCIETY REPORT100037448
    57056788869222729COMPANYVITAMIN SHOPPE INC.SOCIETY REPORT108008193
    67038574869222749COMPANYABB LTD.SOCIETY REPORT100096991
    77096286569222756COMPANYMETTLER-TOLEDO INTERNATIONAL INC.SOCIETY REPORT100081108
    87056897869222756COMPANYMETTLER-TOLEDO INTERNATIONAL INC.SOCIETY REPORT100081108
    97038576169222777COMPANYSUNCOR ENERGY INC.SOCIETY REPORT100063497
    107056938969222784COMPANYSYMANTEC CORP.SOCIETY REPORT100043382
    117112676469222786COMPANYARROW ELECTRONICS INC.SOCIETY REPORT100084937

    here if using separate attribute_type of report_details, we have:

    Select distinct report_details attribute_type;

    ATTRIBUTE_TYPE
    1Object
    2INDUSTRY
    3COUNTRY
    4REGION
    5AUTHOR
    6COMPANY

    Here you can see over the structure of the third table table FILTERS_FOR_DOCID where above these distinct values of the second table are the columns of the third:

    And you can see the output of the query above to report_details table, including the attribute_type and attribute_type value.

    Here, we need to find in the third table with each attribute_type and values of his attribute_type_value with the topic of the third table columns, industry,... He values.

    as: consider attribute_type values 'COMPANY' and its "TGS NOPEC GEOPHYSICAL COMPANY ASA" attribute_value now we need to find

    in SOCIETY the third table cloumn with value "TGS NOPEC GEOPHYSICAL COMPANY ASA"... same for others...

    I must now go look for these lines of the third table which all combinations get matched, need us compare with like operator between the attribute_type column value and the value of the columns in the third diff table.


    Thanks in advance

    I have impleted above the requirement using pivot, CTE, and cases in where clause.

    Thanks for all the help

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