How do I make this query?

I'm working with a table that has over 400,000 records. The columns are as follows:
Species_Code, Breed_Code, Premium_Coverage, Age.
Species_code is either a,c,r,or f. There are associated breed codes for each specie code.
The Premium_coverage is based on species_code and breed_code no matter what the age is. The problem is that for all ages, you have the same premium which makes the table longer than it should be. Which query can I write to have one base_premium for all species_code and breed_code?

Use an aggregate function like MIN, MAX, or AVG and GROUP BY:
SELECT   species_code, breed_code, MIN (premium_coverage)
FROM     your_table
GROUP BY species_code, breed_code

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    This query works fine for a sql report
    SELECT *
    FROM STUDENTS
    WHERE given_name||' '||family_name = :P101_USERNAME
    AND password = :P101_PASSWORD;
    But i want it to do the same thing for a form but i dont have the option like i do for the report where i can just apply the condition to the process.
    Anyone any ideas how i could do this so that when i go to the form this information is already there based on the username and password from the previous page?

    Assuming that page 101 is your login form, just lookup the primary key of the student based on the values presented in the login page fields, then set and pass this value to the form page.
    So you would create a process that runs near the very end of the the login processes on page 101, something like this:
    declare
    l_student_id students.student_id%TYPE;
    begin
    select student_id into l_student_id from students where  given_name||' '||family_name = :P101_USERNAME and password = :P101_PASSWORD;
    -- then set the value of your form page primary key field
    :P1_STUDENT_ID := l_student_id;
    end;I've done something similar and it works fine for me, although I haven't looked at it recently.
    Earl

  • How Can I make this query run faster

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    Explained.
    Elapsed: 00:00:00.01
    SQL> @$ORACLE_HOME/rdbms/admin/utlxpls.sql
    PLAN_TABLE_OUTPUT
    Plan hash value: 3790334907
    | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
    | 0 | SELECT STATEMENT | | 578 | 108K| 1267 (1)| 00:00:16 | | |
    | 1 | PX COORDINATOR | | | | | | | |
    | 2 | PX SEND QC (ORDER) | :TQ10001 | 578 | 108K| 1267 (1)| 00:00:16 | | |
    | 3 | SORT ORDER BY | | 578 | 108K| 1267 (1)| 00:00:16 | | |
    | 4 | PX RECEIVE | | | | | | | |
    | 5 | PX SEND RANGE | :TQ10000 | | | | | | |
    | 6 | NESTED LOOPS | | | | | | | |
    | 7 | NESTED LOOPS | | 578 | 108K| 1266 (1)| 00:00:16 | | |
    | 8 | PX PARTITION RANGE ALL | | 578 | 44506 | 109 (0)| 00:00:02 | 1 | 27 |
    | 9 | TABLE ACCESS BY LOCAL INDEX ROWID| TXLOOKUP | 578 | 44506 | 109 (0)| 00:00:02 | 1 | 27 |
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    |* 11 | INDEX UNIQUE SCAN | TXMASTER_TXID_PK | 1 | | 1 (0)| 00:00:01 | | |
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    11 - access("A"."TXID"="B"."TXID")
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    I have gathered stats on the two tables as well
    SQL> select count(*) from g2log.txmaster;
    COUNT(*)
    88812
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    COUNT(*)
    228883

    I bellieve that it is disabled as well:
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    NAME TYPE VALUE
    fast_start_parallel_rollback string LOW
    parallel_adaptive_multi_user boolean TRUE
    parallel_automatic_tuning boolean FALSE
    parallel_degree_limit string CPU
    parallel_degree_policy string MANUAL
    parallel_execution_message_size integer 16384
    parallel_force_local boolean FALSE
    parallel_instance_group string
    parallel_io_cap_enabled boolean FALSE
    parallel_max_servers integer 985
    parallel_min_percent integer 0
    parallel_min_servers integer 0
    parallel_min_time_threshold string AUTO
    parallel_server boolean TRUE
    parallel_server_instances integer 2
    parallel_servers_target integer 1024
    parallel_threads_per_cpu integer 2
    recovery_parallelism integer 0

  • How can I make this complex query?

    I don’t know how can I do this complex query...
    I have the tables Customers, Vehicles and Models. A customer can have 0-N Vehicles and a vehicle have 1 Model.
    Customers: ID_Customer (PK), Name, LastName...
    Vehicles: ID_Vehicle (PK), ID_Customer, ID_Model, date_sale
    Models: ID_Modelo (PK), Model_Name
    Then I need to know the buy average time (date_sale) between 2 models (ID_Model)
    For example I have these Vehicles:
    ID_Vehicle (PK)...ID_Customer...ID_Model....date_sale
    1................................123....................1.............21/05/2000
    2................................459....................3............ 16/08/2000
    3................................123....................2............ 28/06/2001
    4................................516....................1............ 09/09/2001
    5................................459....................4............ 18/10/2002
    6................................516....................2............ 20/12/2002
    If I want to know the buy average time (date_sale) between ID_Model 1 and ID_Model 2 it is. (403 + 467) / 2 = 435 days !!!
    * Customer 123 (model 1 to 2): 25/06/2001 – 21/05/2000 ==> 403 days
    * Customer 516 (model 1 to 2): 01/12/2002 – 01/05/2000 ==> 467 days.
    I need to do the query for all the combination models. For example If I have the Models 1, 2 and 3 I need to obtain:
    Source_Model.....Target_Model....Buy_Average_Time
    1......................................1....................... xxx days
    1......................................2....................... xxx days
    1......................................3....................... xxx days
    2......................................1....................... xxx days
    2......................................2....................... xxx days
    2......................................3....................... xxx days
    3......................................1....................... xxx days
    3......................................2....................... xxx days
    3......................................3....................... xxx days
    If it is necessary I could create a table with the fields Source_Model, Target_Model and Buy_Average_Time for accelerate the query time response.
    But how can I do this query??????????
    Thanks very much!!!

    Hi,
    Thanks for your reply but It is not correct for me because the Customer could have several vehicles in her life.
    If I make the query with my examples data it is OK
    ID_Vehicle (PK)...ID_Customer...ID_Model....date_sale
    1................................123....................1.............21/05/2000
    2................................459....................3............ 16/08/2000
    3................................123....................2............ 28/06/2001
    4................................516....................1............ 09/09/2001
    5................................459....................4............ 18/10/2002
    6................................516....................2............ 20/12/2002
    select v1.id_model as source_model,
    v2.id_model as target_model,
    avg (v2.date_sale - v1.date_sale) || ' days' as buy_average_time
    from vehicles v1,
    vehicles v2
    where v1.id_customer = v2.id_customer
    and v2.date_sale > v1.date_sale
    group by v1.id_model, v2.id_model;
    I received:
    SOURCE_MODEL     TARGET_MODEL     BUY_AVERAGE_TIME
    ..............1................................2.....................................435 days
    ..............3................................4.....................................793 days
    But If I insert a new vehicle:
    ID_Vehicle (PK)...ID_Customer...ID_Model....date_sale
    7................................516....................3............ 16/08/2003
    And I execute the query now I receive:
    SOURCE_MODEL     TARGET_MODEL     BUY_AVERAGE_TIME
    ..............1................................2...........................435 days
    ..............1................................3...........................706 days
    ..............2................................3...........................239 days
    ..............3................................4...........................793 days
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    Besides If I modify the Vehicle 7 data and put ID_Model = 2:
    ID_Vehicle (PK)...ID_Customer...ID_Model....date_sale
    7................................516....................2............ 16/08/2003
    I received:
    SOURCE_MODEL     TARGET_MODEL     BUY_AVERAGE_TIME
    ..............1................................2...........................525,33 days
    ..............2................................2...........................239 days
    ..............3................................4...........................793 days
    It is NO correct because the BUY_AVERAGE_TIME for 1 to 2 combination is 435 days (the same of the original query) because I aggregate only the combination 2 to 2 with the ID_VEHICLE 7
    Below I attach the examples scripts.
    Could you help me with this query, please?
    Thanks very much!
    CREATE TABLE VEHICLES
    ID_VEHICLE NUMBER(9),
    ID_CUSTOMER NUMBER(9),
    ID_MODEL NUMBER(9),
    DATE_SALE DATE
    TABLESPACE USERS
    PCTUSED 0
    PCTFREE 10
    INITRANS 1
    MAXTRANS 255
    STORAGE (
    INITIAL 64K
    MINEXTENTS 1
    MAXEXTENTS 2147483645
    PCTINCREASE 0
    BUFFER_POOL DEFAULT
    LOGGING
    NOCACHE
    NOPARALLEL;
    INSERT INTO VEHICLES ( ID_VEHICLE, ID_CUSTOMER, ID_MODEL, DATE_SALE ) VALUES (
    1, 123, 1, TO_Date( '05/21/2000 12:00:00 AM', 'MM/DD/YYYY HH:MI:SS AM'));
    INSERT INTO VEHICLES ( ID_VEHICLE, ID_CUSTOMER, ID_MODEL, DATE_SALE ) VALUES (
    2, 459, 3, TO_Date( '08/16/2000 12:00:00 AM', 'MM/DD/YYYY HH:MI:SS AM'));
    INSERT INTO VEHICLES ( ID_VEHICLE, ID_CUSTOMER, ID_MODEL, DATE_SALE ) VALUES (
    3, 123, 2, TO_Date( '06/28/2001 12:00:00 AM', 'MM/DD/YYYY HH:MI:SS AM'));
    INSERT INTO VEHICLES ( ID_VEHICLE, ID_CUSTOMER, ID_MODEL, DATE_SALE ) VALUES (
    4, 516, 1, TO_Date( '09/09/2001 12:00:00 AM', 'MM/DD/YYYY HH:MI:SS AM'));
    INSERT INTO VEHICLES ( ID_VEHICLE, ID_CUSTOMER, ID_MODEL, DATE_SALE ) VALUES (
    5, 459, 4, TO_Date( '10/18/2002 12:00:00 AM', 'MM/DD/YYYY HH:MI:SS AM'));
    INSERT INTO VEHICLES ( ID_VEHICLE, ID_CUSTOMER, ID_MODEL, DATE_SALE ) VALUES (
    6, 516, 2, TO_Date( '12/20/2002 12:00:00 AM', 'MM/DD/YYYY HH:MI:SS AM'));
    INSERT INTO VEHICLES ( ID_VEHICLE, ID_CUSTOMER, ID_MODEL, DATE_SALE ) VALUES (
    7, 516, 2, TO_Date( '08/16/2003 12:00:00 AM', 'MM/DD/YYYY HH:MI:SS AM'));
    COMMIT;
    CREATE TABLE MODELS
    ID_MODELO NUMBER(9),
    MODEL_NAME VARCHAR2(25 BYTE)
    TABLESPACE USERS
    PCTUSED 0
    PCTFREE 10
    INITRANS 1
    MAXTRANS 255
    STORAGE (
    INITIAL 64K
    MINEXTENTS 1
    MAXEXTENTS 2147483645
    PCTINCREASE 0
    BUFFER_POOL DEFAULT
    LOGGING
    NOCACHE
    NOPARALLEL;
    INSERT INTO MODELS ( ID_MODELO, MODEL_NAME ) VALUES (
    1, 'MODEL 1');
    INSERT INTO MODELS ( ID_MODELO, MODEL_NAME ) VALUES (
    2, 'MODEL 2');
    INSERT INTO MODELS ( ID_MODELO, MODEL_NAME ) VALUES (
    3, 'MODEL 3');
    INSERT INTO MODELS ( ID_MODELO, MODEL_NAME ) VALUES (
    4, 'MODEL 4');
    COMMIT;
    CREATE TABLE CUSTOMERS
    ID_CUSTOMER NUMBER(9),
    NAME VARCHAR2(25 BYTE),
    LASTNAME VARCHAR2(25 BYTE)
    TABLESPACE USERS
    PCTUSED 0
    PCTFREE 10
    INITRANS 1
    MAXTRANS 255
    STORAGE (
    INITIAL 64K
    MINEXTENTS 1
    MAXEXTENTS 2147483645
    PCTINCREASE 0
    BUFFER_POOL DEFAULT
    LOGGING
    NOCACHE
    NOPARALLEL;
    INSERT INTO CUSTOMERS ( ID_CUSTOMER, NAME, LASTNAME ) VALUES (
    123, 'Customer 123', 'A');
    INSERT INTO CUSTOMERS ( ID_CUSTOMER, NAME, LASTNAME ) VALUES (
    459, 'Customer 459', 'B');
    INSERT INTO CUSTOMERS ( ID_CUSTOMER, NAME, LASTNAME ) VALUES (
    516, 'Customer 516', 'C');
    INSERT INTO CUSTOMERS ( ID_CUSTOMER, NAME, LASTNAME ) VALUES (
    318, 'Customer 318', 'D');
    COMMIT;

  • How can I make a query by date with several TDMS files?

    Hi,
    I have a project that can write and read TDMS files everyday (a file for each day with date and time). There, I can import those files to excel (I choose a file and load it). But, I have a question: How can I make a query by date with those TDMS files? I'd like make a time stamp for start date and stop date, where I could compare the TDMS file dates and sum the values that are in the channels where these files are similar. For example, I save a file with "02/01/2013" name, in other day "03/01/2013", in other day "04/01/2013"... so, i'd like put in time stamp for start date "02/01/2013" file and to stop date "04/01/2013" file, than, sum all values that range with my TDMS files existing. How can I make that? 
    Thanks all,
    Val 

    Hello Val_Auto.
    You're Brazilian, no? Me too. = ^ - ^ =
    I converted VI to version of your LabVIEW (8.5). Is attached in this reply.
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    If you have any doubt as to its operation or how to make changes to adapt VI for your application, keep at your disposal.
    Thank you for your contact; I hope have helped you and succeed in your application.
    Wesley Rocha
    Application Engineer
    National Instruments Brazil
    Visite a nossa comunidade em PORTUGUÊS!!!
    Attachments:
    Query TDMS.vi ‏62 KB
    tdms search.vi ‏24 KB

  • How can i improve this query.

    Hi guys i am beginner , just wanted to know some info , how can i improve this query ..
    select *
    from tableA A, viewB B,
    where A.key = B.key
    and a.criteria1 = '111'
    and a.criteria2 = some_funtion(a.key)
    one more thing should function should be on left side of equal sign.
    will a join make it better or something else is needed more than that .

    952936 wrote:
    Hi guys i am beginner , just wanted to know some info , how can i improve this query ..
    select *
    from tableA A, viewB B,
    where A.key = B.key
    and a.criteria1 = '111'
    and a.criteria2 = some_funtion(a.key)
    one more thing should function should be on left side of equal sign.
    will a join make it better or something else is needed more than that .If you are a beginner try to learn the ANSI Syntax. This will help you a lot to write better queries.
    Your select would look like this in ANSI.
    select *
    from tableA A
    JOIN viewB B ON A.key = B.key
    WHERE a.criteria1 = '111'
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    example A
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    select *
    from tableA A
    --JOIN viewB B ON A.key = B.key
    WHERE a.criteria1 = '111'
    and a.criteria2 = some_funtion(a.key)
    example B
    You notice, that values from A are missing. Maybe because there is no matching key in ViewB? Then change the join to an outer join.
    select *
    from tableA A
    LEFT OUTER JOIN viewB B ON A.key = B.key
    WHERE a.criteria1 = '111'
    and a.criteria2 = some_funtion(a.key)(The outer keyword is optional, left join would be enough).

  • How can I make this join in ADF and make CRUD operation in this

    How to make this relation in ADF
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    , LOCATION_ID NUMBER(4, 0)
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    PCTFREE 10
    INITRANS 2
    STORAGE
    INITIAL 65536
    MINEXTENTS 1
    MAXEXTENTS UNLIMITED
    BUFFER_POOL DEFAULT
    ENABLE
    LOGGING
    TABLESPACE "USERS"
    PCTFREE 10
    INITRANS 1
    STORAGE
    INITIAL 65536
    MINEXTENTS 1
    MAXEXTENTS UNLIMITED
    BUFFER_POOL DEFAULT
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    , LAST_NAME VARCHAR2(25 BYTE) NOT NULL
    , EMAIL VARCHAR2(25 BYTE) NOT NULL
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    , DEPARTMENT_ID NUMBER(4, 0)
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    TABLESPACE "USERS"
    PCTFREE 10
    INITRANS 2
    STORAGE
    INITIAL 65536
    MINEXTENTS 1
    MAXEXTENTS UNLIMITED
    BUFFER_POOL DEFAULT
    ENABLE
    LOGGING
    TABLESPACE "USERS"
    PCTFREE 10
    INITRANS 1
    STORAGE
    INITIAL 65536
    MINEXTENTS 1
    MAXEXTENTS UNLIMITED
    BUFFER_POOL DEFAULT
    CREATE INDEX DEPT_LOCATION_IX ON DEPARTMENTS (LOCATION_ID ASC)
    LOGGING
    TABLESPACE "USERS"
    PCTFREE 10
    INITRANS 2
    STORAGE
    INITIAL 65536
    MINEXTENTS 1
    MAXEXTENTS UNLIMITED
    BUFFER_POOL DEFAULT
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    LOGGING
    TABLESPACE "USERS"
    PCTFREE 10
    INITRANS 2
    STORAGE
    INITIAL 65536
    MINEXTENTS 1
    MAXEXTENTS UNLIMITED
    BUFFER_POOL DEFAULT
    CREATE INDEX EMP_JOB_IX ON EMPLOYEES (JOB_ID ASC)
    LOGGING
    TABLESPACE "USERS"
    PCTFREE 10
    INITRANS 2
    STORAGE
    INITIAL 65536
    MINEXTENTS 1
    MAXEXTENTS UNLIMITED
    BUFFER_POOL DEFAULT
    CREATE INDEX EMP_MANAGER_IX ON EMPLOYEES (MANAGER_ID ASC)
    LOGGING
    TABLESPACE "USERS"
    PCTFREE 10
    INITRANS 2
    STORAGE
    INITIAL 65536
    MINEXTENTS 1
    MAXEXTENTS UNLIMITED
    BUFFER_POOL DEFAULT
    CREATE INDEX EMP_NAME_IX ON EMPLOYEES (LAST_NAME ASC, FIRST_NAME ASC)
    LOGGING
    TABLESPACE "USERS"
    PCTFREE 10
    INITRANS 2
    STORAGE
    INITIAL 65536
    MINEXTENTS 1
    MAXEXTENTS UNLIMITED
    BUFFER_POOL DEFAULT
    ALTER TABLE EMPLOYEES
    ADD CONSTRAINT EMP_EMAIL_UK UNIQUE
    EMAIL
    USING INDEX
    CREATE UNIQUE INDEX EMP_EMAIL_UK ON EMPLOYEES (EMAIL ASC)
    LOGGING
    TABLESPACE "USERS"
    PCTFREE 10
    INITRANS 2
    STORAGE
    INITIAL 65536
    MINEXTENTS 1
    MAXEXTENTS UNLIMITED
    BUFFER_POOL DEFAULT
    ENABLE;
    ALTER TABLE DEPARTMENTS
    ADD CONSTRAINT DEPT_LOC_FK FOREIGN KEY
    LOCATION_ID
    REFERENCES LOCATIONS
    LOCATION_ID
    ENABLE;
    ALTER TABLE DEPARTMENTS
    ADD CONSTRAINT DEPT_MGR_FK FOREIGN KEY
    MANAGER_ID
    REFERENCES EMPLOYEES
    EMPLOYEE_ID
    ENABLE;
    ALTER TABLE EMPLOYEES
    ADD CONSTRAINT EMP_DEPT_FK FOREIGN KEY
    DEPARTMENT_ID
    REFERENCES DEPARTMENTS
    DEPARTMENT_ID
    ENABLE;
    ALTER TABLE EMPLOYEES
    ADD CONSTRAINT EMP_JOB_FK FOREIGN KEY
    JOB_ID
    REFERENCES JOBS
    JOB_ID
    ENABLE;
    ALTER TABLE EMPLOYEES
    ADD CONSTRAINT EMP_MANAGER_FK FOREIGN KEY
    MANAGER_ID
    REFERENCES EMPLOYEES
    EMPLOYEE_ID
    ENABLE;
    ALTER TABLE DEPARTMENTS
    ADD CONSTRAINT DEPT_NAME_NN CHECK
    (DEPARTMENT_NAME IS NOT NULL)
    ENABLE;
    ALTER TABLE EMPLOYEES
    ADD CONSTRAINT EMP_EMAIL_NN CHECK
    (EMAIL IS NOT NULL)
    ENABLE;
    ALTER TABLE EMPLOYEES
    ADD CONSTRAINT EMP_HIRE_DATE_NN CHECK
    (HIRE_DATE IS NOT NULL)
    ENABLE;
    ALTER TABLE EMPLOYEES
    ADD CONSTRAINT EMP_JOB_NN CHECK
    (JOB_ID IS NOT NULL)
    ENABLE;
    ALTER TABLE EMPLOYEES
    ADD CONSTRAINT EMP_LAST_NAME_NN CHECK
    (LAST_NAME IS NOT NULL)
    ENABLE;
    ALTER TABLE EMPLOYEES
    ADD CONSTRAINT EMP_SALARY_MIN CHECK
    (SALARY > 0)
    ENABLE;
    COMMENT ON TABLE DEPARTMENTS IS 'Departments table that shows details of departments where employees
    work. Contains 27 rows; references with locations, employees, and job_history tables.';
    COMMENT ON TABLE EMPLOYEES IS 'employees table. Contains 107 rows. References with departments,
    jobs, job_history tables. Contains a self reference.';
    COMMENT ON COLUMN DEPARTMENTS.DEPARTMENT_ID IS 'Primary key column of departments table.';
    COMMENT ON COLUMN DEPARTMENTS.DEPARTMENT_NAME IS 'A not null column that shows name of a department. Administration,
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    Relations, Sales, Finance, and Accounting. ';
    COMMENT ON COLUMN DEPARTMENTS.MANAGER_ID IS 'Manager_id of a department. Foreign key to employee_id column of employees table. The manager_id column of the employee table references this column.';
    COMMENT ON COLUMN DEPARTMENTS.LOCATION_ID IS 'Location id where a department is located. Foreign key to location_id column of locations table.';
    COMMENT ON COLUMN EMPLOYEES.EMPLOYEE_ID IS 'Primary key of employees table.';
    COMMENT ON COLUMN EMPLOYEES.FIRST_NAME IS 'First name of the employee. A not null column.';
    COMMENT ON COLUMN EMPLOYEES.LAST_NAME IS 'Last name of the employee. A not null column.';
    COMMENT ON COLUMN EMPLOYEES.EMAIL IS 'Email id of the employee';
    COMMENT ON COLUMN EMPLOYEES.PHONE_NUMBER IS 'Phone number of the employee; includes country code and area code';
    COMMENT ON COLUMN EMPLOYEES.HIRE_DATE IS 'Date when the employee started on this job. A not null column.';
    COMMENT ON COLUMN EMPLOYEES.JOB_ID IS 'Current job of the employee; foreign key to job_id column of the
    jobs table. A not null column.';
    COMMENT ON COLUMN EMPLOYEES.SALARY IS 'Monthly salary of the employee. Must be greater
    than zero (enforced by constraint emp_salary_min)';
    COMMENT ON COLUMN EMPLOYEES.COMMISSION_PCT IS 'Commission percentage of the employee; Only employees in sales
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    union all
    select t3.R_OBJECT_ID
    from ddt_resolution_sp t3
    where t3.R_OBJECT_ID in (select t2.child_id
    from dm_relation_sp t2
    where t2.parent_id in (select a.child_id
    from asud_fsk.dm_relation_sp a, asud_fsk.ddt_resolution_sp t1
    where a.parent_id = '0900000283560456' -----------ID
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    union all
    select t4.R_OBJECT_ID
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    where t4.R_OBJECT_ID in(
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    from asud_fsk.dm_relation_sp t2
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    from asud_fsk.dm_relation_sp a, asud_fsk.ddt_resolution_sp t1
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    from dm_relation_sp t4
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    select t3.child_id from dm_relation_sp t3
    where t3.parent_id in (
    select t2.child_id
    from asud_fsk.dm_relation_sp t2
    where t2.parent_id in (select a.child_id
    from asud_fsk.dm_relation_sp a, asud_fsk.ddt_resolution_sp t1
    where a.parent_id = '0900000283560456' -----------ID
    and a.child_id = t1.R_OBJECT_ID))
    and t3.relation_name = 'RESOLUTION_RELATION')
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    Edited by: user13025450 on 29.04.2010 16:23

    Hi,
    Welcome to the forum! You'll find that there are many qualified people (such as Tubby) willing to help you. Will you do what you can to help them? In order to simplify the query you posted,someone will first have to understand what it does, what the tables that it uses are like, and what tools you have to work with (that is, what version of Oracle, and any other software you are using). To actually test their ideas, people will need versions of your tables.
    Many people, if they spent enough time, might be able to figure out roughly what you are doing, make some tables themselves and test a solution. You can help with all of that. I assume you already know what the appliction is, and what this particular query is supposed to do: you don't have to figure out any of that, you just have to say it. You know what all your tables are, what the datatypes of all the columns are, and what kinds of data are in the tables: you don't have to guess at any of that.
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    SELECT  NULL
    FROM    dual;doesn't do what you want?
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    Post the results that this query is supposed to produce from those results. (Is it producing the right output now? Then it should be easy to post the correct results.)
    Describe, as well as you can, how the present query is doing it.
    Format your existing code, so it's easy to see what the different branches of the UNION are, and what the main clauses are in each one.
    When posting formatted text (code or results) type these 6 characters
    \(all small letters, inside curly brackets) before and after each formatted section, to keep this site from compressing the spaces.
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                      from sortest,SPRIDEN
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    Hi,
    That depends on whether spriden_pidm is unique, and on what you want for results.
    Whenever you have a problem, post a little sample data (CREATE TABLE and INSERT statements, relevamnt columns only) for all tables, and the results you want from that data.
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    It looks like you're doing something similiar to the following.
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        20 RESEARCH       DALLAS        ANALYST  3000 MANAGER  2975 CLERK    1100
        10 ACCOUNTING     NEW YORK      MANAGER  2450 CLERK    1300
        30 SALES          CHICAGO       MANAGER  2850 CLERK     950On each row, the jobs are listed in order by the highest salary.
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    ,       MAX (DECODE (rn, 1, job))     AS job_1
    ,       MAX (DECODE (rn, 1, max_sal))     AS sal_1
    ,       MAX (DECODE (rn, 2, job))     AS job_2
    ,       MAX (DECODE (rn, 2, max_sal))     AS sal_2
    ,       MAX (DECODE (rn, 3, job))     AS job_3
    ,       MAX (DECODE (rn, 3, max_sal))     AS sal_3
    FROM       (
               SELECT    deptno
               ,          job
               ,          max_sal
               ,          ROW_NUMBER () OVER ( PARTITION BY  deptno
                                              ORDER BY          max_sal     DESC
                                )         AS rn
               FROM     (
                             SELECT    e.deptno
                       ,           e.job
                       ,           MAX (e.sal)     AS max_sal
                       FROM      scott.emp        e
                       ,           scott.dept   d
                       WHERE     e.deptno        = d.deptno
                       AND           e.job        IN ('ANALYST', 'CLERK', 'MANAGER')
                       GROUP BY  e.deptno
                       ,           e.job
    GROUP BY  deptno
    ;Since dept.deptno is unique, there will only be one dname and one loc for each deptno, so we can change the query by replacing "deptno" with "deptno, dname, loc" throughout the query (except in the join condition, of course):
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    ,       MAX (DECODE (rn, 1, job))     AS job_1
    ,       MAX (DECODE (rn, 1, max_sal))     AS sal_1
    ,       MAX (DECODE (rn, 2, job))     AS job_2
    ,       MAX (DECODE (rn, 2, max_sal))     AS sal_2
    ,       MAX (DECODE (rn, 3, job))     AS job_3
    ,       MAX (DECODE (rn, 3, max_sal))     AS sal_3
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               SELECT    deptno, dname, loc          -- Changed
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               ,          max_sal
               ,          ROW_NUMBER () OVER ( PARTITION BY  deptno      -- , dname, loc     -- Changed
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                             SELECT    e.deptno, d.dname, d.loc                    -- Changed
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                       ,           scott.dept   d
                       WHERE     e.deptno        = d.deptno
                       AND           e.job        IN ('ANALYST', 'CLERK', 'MANAGER')
                       GROUP BY  e.deptno, d.dname, d.loc                    -- Changed
                       ,           e.job
    GROUP BY  deptno, dname, loc                    -- Changed
    ;Actually, you can keep using just deptno in the analytic PARTITION BY clause. It might be a little more efficient to just use deptno, like I did above, but it won't change the results if you use all 3, if there is only 1 danme and 1 loc per deptno.
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    ,       MAX (DECODE (rn, 1, job))     AS job_1
    ,       MAX (DECODE (rn, 1, max_sal))     AS sal_1
    ,       MAX (DECODE (rn, 2, job))     AS job_2
    ,       MAX (DECODE (rn, 2, max_sal))     AS sal_2
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    ,       MAX (DECODE (rn, 3, max_sal))     AS sal_3
    FROM       (
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    Not only are you continuing to post in the wrong forum but now you are multiposting: [http://forums.sun.com/thread.jspa?threadID=5418935]
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