Remove duplicates in a column

I want to delete duplicates in a column main_table based on the column of TLEVEL:

create the table UNIQ_TEMP
(TLEVEL, NUMBER (10.0),)
TABLE-NAME VARCHAR2 (30),
MAIN_TABLE VARCHAR2 (30)
);

INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (0, 'ASSIGNMENT', "ATTRIBUTION");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (1, 'ASSIGNMENT', 'LOAD');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (1, 'ALLOWANCE', 'FINANCIAL_TRANSACTION_DTL');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (1, 'ALLOCATION', 'PAYMENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOWANCE', 'MISC_CHARGE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ASSIGNMENT', 'LOAD');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOCATION', 'MEMBERSHIP');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOCATION', 'MEMBERSHIP');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOCATION', 'MEMBERSHIP');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, "ATTRIBUTION" AND "INVOICE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOWANCE', 'FINANCIAL_TRANSACTION_HDR');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOCATION', 'DISCOUNT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ASSIGNMENT', 'CLIENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ASSIGNMENT', 'CLIENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOWANCE', 'CHARGE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOWANCE', 'CHARGE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOWANCE', 'CHARGE_DETAIL_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOWANCE', 'SUBSCRIPTION_PERIOD');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOCATION', 'PAYMENT_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (2, 'ALLOWANCE', 'PAYMENT_CHANNEL');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ASSIGNMENT', 'CLIENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOCATION', 'PAYMENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ASSIGNMENT', 'CLIENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOCATION', 'DISCOUNT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'MISC_CHARGE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'INVOICE_PERIOD');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'INVOICE_STATUS');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'INVOICE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'MARKETING_OPTIN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'MARKETING_OPTIN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ASSIGNMENT', 'CAMPAIGN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOCATION', 'MEMBERSHIP');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ASSIGNMENT', 'CAMPAIGN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'CANCELLED_REASON');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ASSIGNMENT', 'LOAD');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'CHARGE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'MEMBERSHIP_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'CHARGE_DETAIL');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'CHARGE_DETAIL');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'SUBSCRIPTION_PERIOD_STATUS');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'SUBSCRIPTION_PERIOD_STATUS');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'SUBSCRIPTION_PERIOD_STATUS');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ASSIGNMENT', 'LOAD');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ASSIGNMENT', 'SUBSCRIPTION');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'PRODUCT_ITEM');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'PRODUCT_ITEM');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'PRODUCT_ITEM');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ASSIGNMENT', 'BALANCING');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ALLOWANCE', 'MEMBERSHIP_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (3, 'ASSIGNMENT', 'CLIENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'MEMBERSHIP_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'MEMBERSHIP_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'MISC_CHARGE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'MISC_CHARGE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'PAYMENT_CHANNEL');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', 'PAYMENT_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', "PRODUCT_CODE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', "PRODUCT_CODE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', "PRODUCT_CODE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'PRODUCT_MASTER');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'PRODUCT_MASTER');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'PRODUCT_MASTER');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', "PRODUCT_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'VEHICLE_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'VEHICLE_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'VEHICLE_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'CHARGE_DETAIL_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'CHARGE_DETAIL_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'CHARGE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'CHARGE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ASSIGNMENT', 'CLIENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ASSIGNMENT', 'CLIENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ASSIGNMENT', 'CLIENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ASSIGNMENT', 'CLIENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ASSIGNMENT', 'CLIENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ASSIGNMENT', 'CLIENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', 'DISCOUNT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', 'DISCOUNT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'INVOICE_STATUS_FILTER');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'MARKETING_OPTIN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'MARKETING_OPTIN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'MARKETING_OPTIN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', 'MEMBERSHIP');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', 'MEMBERSHIP');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', 'MEMBERSHIP');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', 'MEMBERSHIP');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', 'MEMBERSHIP');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'MEMBERSHIP_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'ADJUSTMENT_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ASSIGNMENT', 'CAMPAIGN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ASSIGNMENT', 'CAMPAIGN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ASSIGNMENT', 'CAMPAIGN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (4, 'ALLOWANCE', 'CANCELLED_REASON_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'MEMBERSHIP_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ASSIGNMENT', 'CAMPAIGN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'MEMBERSHIP_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ASSIGNMENT', 'CAMPAIGN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ASSIGNMENT', 'CAMPAIGN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ASSIGNMENT', 'CAMPAIGN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ASSIGNMENT', 'CAMPAIGN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ASSIGNMENT', 'CAMPAIGN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'MEMBERSHIP_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'MEMBERSHIP_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOCATION', "PRODUCT_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOCATION', "PRODUCT_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOCATION', "PRODUCT_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ASSIGNMENT', 'CLIENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ASSIGNMENT', 'CLIENT');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'MARKETING_OPTIN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'MARKETING_OPTIN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'MARKETING_OPTIN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'MARKETING_OPTIN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'MARKETING_OPTIN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'MARKETING_OPTIN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'MEMBERSHIP_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'MEMBERSHIP_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOCATION', "ALLOCATION_TYPE");
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (5, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (6, 'ASSIGNMENT', 'CAMPAIGN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (6, 'ASSIGNMENT', 'CAMPAIGN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (6, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (6, 'ALLOWANCE', 'MARKETING_OPTIN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (6, 'ALLOWANCE', 'MEMBERSHIP_CARD_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (6, 'ALLOWANCE', 'BILLING_CYCLE_TYPE');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (6, 'ALLOWANCE', 'MARKETING_OPTIN');
INSERT INTO UNIQ_TEMP (TLEVEL, TABLE_NAME, MAIN_TABLE) VALUES (6, 'ALLOWANCE', 'MEMBERSHIP_CARD_TYPE');

COMMIT;

TLEVEL TABLE_NAME MAIN_TABLE
ALLOCATION OF THE ALLOWANCE 0
1 DISTRIBUTION CHARGE
1 ALLOCATION FINANCIAL_TRANSACTION_DTL
1 ALLOWANCE PAYMENT
2 ALLOWANCE MISC_CHARGE
2 LOAD DISTRIBUTION
2 ALLOWANCE ALLOCATION_TYPE
2 ALLOWANCE ALLOCATION_TYPE
ALLOCATION OF 2 MEMBERS
ALLOCATION OF 2 MEMBERS
ALLOCATION OF 2 MEMBERS
2 ALLOWANCE BILL
2 ALLOWANCE FINANCIAL_TRANSACTION_HDR
2 ALLOWANCE DISCOUNT
2 DISTRIBUTION CLIENT
2 DISTRIBUTION CLIENT
2 ALLOWANCE CHARGE_TYPE
2 ALLOWANCE CHARGE_TYPE
2 ALLOWANCE CHARGE_DETAIL_TYPE
2 ALLOWANCE SUBSCRIPTION_PERIOD
2 ALLOWANCE PAYMENT_TYPE
2 ALLOWANCE PAYMENT_CHANNEL
3 DISTRIBUTION CLIENT
PAYMENT OF THE ALLOWANCE 3
3 DISTRIBUTION CLIENT
3 ALLOWANCE ALLOCATION_TYPE
3 ALLOWANCE ALLOCATION_TYPE
3 ALLOWANCE DISCOUNT
3 MISC_CHARGE ALLOWANCE
3 BILLING_CYCLE_TYPE ALLOWANCE
3 BILLING_CYCLE_TYPE ALLOWANCE
3 INVOICE_PERIOD ALLOWANCE
3 INVOICE_STATUS ALLOWANCE
3 INVOICE_TYPE ALLOWANCE
3 MARKETING_OPTIN ALLOWANCE
3 MARKETING_OPTIN ALLOWANCE
3 ALLOWANCE CAMPAIGN
3 ALLOCATION MEMBERSHIP
3 ALLOWANCE CAMPAIGN
3 CANCELLED_REASON ALLOWANCE
3 ALLOWANCE ALLOCATION_TYPE
3 LOAD DISTRIBUTION
3 CHARGE_TYPE ALLOWANCE
3 ALLOWANCE ALLOCATION_TYPE
3 MEMBERSHIP_CARD_TYPE ALLOWANCE
3 CHARGE_DETAIL ALLOWANCE
3 CHARGE_DETAIL ALLOWANCE
3 SUBSCRIPTION_PERIOD_STATUS ALLOWANCE
3 SUBSCRIPTION_PERIOD_STATUS ALLOWANCE
3 SUBSCRIPTION_PERIOD_STATUS ALLOWANCE
3 LOAD DISTRIBUTION
3 DISTRIBUTION SUBSCRIPTION
3 PRODUCT_ITEM ALLOWANCE
3 PRODUCT_ITEM ALLOWANCE
3 PRODUCT_ITEM ALLOWANCE
ADJUSTMENT OF DIVISION 3
3 MEMBERSHIP_CARD_TYPE ALLOWANCE
3 DISTRIBUTION CLIENT
4 ALLOWANCE MEMBERSHIP_CARD_TYPE
4 ALLOWANCE MEMBERSHIP_CARD_TYPE
4 ALLOWANCE MISC_CHARGE
4 ALLOWANCE MISC_CHARGE
4 ALLOWANCE PAYMENT_CHANNEL
4 ALLOWANCE PAYMENT_TYPE
4 BREAKDOWN PRODUCT_CODE
4 BREAKDOWN PRODUCT_CODE
4 BREAKDOWN PRODUCT_CODE
4 ALLOWANCE PRODUCT_MASTER
4 ALLOWANCE PRODUCT_MASTER
4 ALLOWANCE PRODUCT_MASTER
4 ALLOWANCE PRODUCT_TYPE
4 ALLOWANCE VEHICLE_CARD_TYPE
4 ALLOWANCE VEHICLE_CARD_TYPE
4 ALLOWANCE VEHICLE_CARD_TYPE
4 ALLOWANCE CHARGE_DETAIL_TYPE
4 ALLOWANCE CHARGE_DETAIL_TYPE
4 ALLOWANCE CHARGE_TYPE
4 ALLOWANCE CHARGE_TYPE
4 DISTRIBUTION CLIENT
4 DISTRIBUTION CLIENT
4 DISTRIBUTION CLIENT
4 DISTRIBUTION CLIENT
4 DISTRIBUTION CLIENT
4 DISTRIBUTION CLIENT
4 DIVISION DISCOUNT
4 DIVISION DISCOUNT
4 ALLOWANCE INVOICE_STATUS_FILTER
4 ALLOWANCE MARKETING_OPTIN
4 ALLOWANCE MARKETING_OPTIN
4 ALLOWANCE MARKETING_OPTIN
4 BREAKDOWN MEMBERSHIP
4 BREAKDOWN MEMBERSHIP
4 BREAKDOWN MEMBERSHIP
4 BREAKDOWN MEMBERSHIP
4 BREAKDOWN MEMBERSHIP
4 ALLOWANCE MEMBERSHIP_CARD_TYPE
4 ALLOWANCE ADJUSTMENT_TYPE
4 ALLOWANCE ALLOCATION_TYPE
4 ALLOWANCE ALLOCATION_TYPE
4 ALLOWANCE ALLOCATION_TYPE
4 ALLOWANCE ALLOCATION_TYPE
4 ALLOWANCE ALLOCATION_TYPE
4 ALLOWANCE ALLOCATION_TYPE
4 ALLOWANCE BILLING_CYCLE_TYPE
4 ALLOWANCE BILLING_CYCLE_TYPE
4 ALLOWANCE BILLING_CYCLE_TYPE
4 ALLOWANCE BILLING_CYCLE_TYPE
4 DISTRIBUTION CAMPAIGN
4 DISTRIBUTION CAMPAIGN
4 DISTRIBUTION CAMPAIGN
4 ALLOWANCE CANCELLED_REASON_TYPE
5 ALLOCATION MEMBERSHIP_CARD_TYPE
5 ALLOWANCE CAMPAIGN
5 ALLOCATION MEMBERSHIP_CARD_TYPE
5 ALLOWANCE CAMPAIGN
5 ALLOWANCE CAMPAIGN
5 ALLOWANCE CAMPAIGN
5 ALLOWANCE CAMPAIGN
5 ALLOWANCE CAMPAIGN
5 ALLOCATION BILLING_CYCLE_TYPE
5 ALLOCATION BILLING_CYCLE_TYPE
5 ALLOCATION BILLING_CYCLE_TYPE
5 ALLOCATION BILLING_CYCLE_TYPE
5 ALLOCATION MEMBERSHIP_CARD_TYPE
5 ALLOCATION MEMBERSHIP_CARD_TYPE
5 ALLOCATION PRODUCT_TYPE
5 ALLOCATION PRODUCT_TYPE
5 ALLOCATION PRODUCT_TYPE
5 CUSTOMER ASSIGNMENT
5 CUSTOMER ASSIGNMENT
5 ALLOCATION MARKETING_OPTIN
5 ALLOCATION MARKETING_OPTIN
5 ALLOCATION MARKETING_OPTIN
5 ALLOCATION MARKETING_OPTIN
5 ALLOCATION MARKETING_OPTIN
5 ALLOCATION MARKETING_OPTIN
5 ALLOCATION MEMBERSHIP_CARD_TYPE
5 ALLOCATION MEMBERSHIP_CARD_TYPE
5 ALLOCATION ALLOCATION_TYPE
5 ALLOCATION ALLOCATION_TYPE
5 ALLOCATION ALLOCATION_TYPE
5 ALLOCATION ALLOCATION_TYPE
5 ALLOCATION BILLING_CYCLE_TYPE
5 ALLOCATION BILLING_CYCLE_TYPE
6 ALLOWANCE CAMPAIGN
6 ALLOWANCE CAMPAIGN
6 ALLOCATION BILLING_CYCLE_TYPE
6 ALLOCATION MARKETING_OPTIN
6 ALLOCATION MEMBERSHIP_CARD_TYPE
6 ALLOCATION BILLING_CYCLE_TYPE
6 ALLOCATION MARKETING_OPTIN
6 ALLOCATION MEMBERSHIP_CARD_TYPE


My requirement is:

MAIN_TABLE = MARKETING_OPTIN
AVAILABLE IN MAX (TLEVEL)
REMOVE DUPLICATES OTHER LEVELS MARKETING_OPTIN

This should apply to all values in the MAIN_TABLE column

Help, please!

still a question is not answered...
Are you looking for this?

delete from uniq_temp
where rowid not in
  (
  select max(rowid) keep(dense_rank first order by tlevel desc)
  from uniq_temp
  group by main_table
  );

Tags: Database

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    I hope that answers your question.

    If this isn't the case, please post a small example data (CREATE TABLE and only relevant columns, INSERT statements), and the results you want from this data.

    In the case of a DML operation (for example, REMOVE) the sample data should show what look like the paintings before the DML, and results will be the content of the or the tables changed after the DML.

    Explain, using specific examples, how you get these results from these data.

    Always say what version of Oracle you are using (for example, 11.2.0.2.0).

    See the FAQ forum: Re: 2. How can I ask a question on the forums?

  • To check and remove duplicate records

    Hi guys,.

    I have a T1 table where my col_1, col_2, col_3 columns are primary keys and the table is to have a huge volume of data recorded about 200 billion. Before you add the primary key, I need to check if there are duplicates and then delete these records. Who will be fastest way to check, I used below

    Select * from T1

    where rowid in (select rn (INF. Select rowid,

    DENSE_RANK() on ln (score of col1, col2, col3 order by rowid)

    from T1)

    where ln <>1);

    Is there another way using the analytical function can be faster to access the records of 200 billion

    Sven wrote:

    Instead of making a deletion consider to re-create the table using only the unique values. Very often, it's much faster than a delete even if more data is moved, but as always, it depends.

    It would be useful if you know how many lines you have and how duplicates are for example (the number of records is removed).

    Also, you should have a comparable test database, which is not always easy to have with large datasizes are invloved.

    Yes, Sven is quite right, ETG might actually be faster to remove duplicates of the original. But you will need to investigate the volume of data.

    create table T2 as

    Select col1, col2, col3,..., coln - all original columns except rn

    from (select t.*, row_number() on rn (score of col1, col2, col3 order by rowid)

    t)

    where rn = 1

    /

    Then hover over any constraint, etc. and drop T with purge, rename T2 in T.

  • Remove duplicates in an oracle table

    Hello

    I want to remove duplicates from a table of account

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    1 GPR
    1 GPR
    1 GPR


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    Thank you
    Petri

    One of the ways is...

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    Concerning

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    Why this query can remove duplicates? Can someone give me detailed explanation?

    Thank you
    select salary from employees union select salary from employees;

    Hello

    See the docs.

    ' Example of the UNION
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    Edit

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    http://asktom.Oracle.com/pls/asktom/f?p=100:11:0:P11_QUESTION_ID:1224636375004

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  • How can I remove duplicate calendars displayed in my list of calendar on my MAC?

    How can I remove duplicate calendars displayed in my list of calendar on my MAC?

    OS X Version of El 10.11.6 (15-1004)

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    Intel Core i5 to 2.53 GHz

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    Macintosh HD

    alexmike,

    Using iCloud? If so, use iCloud: Apple Advanced calendar and troubleshooting iCal - supported

    If this is not the case, what calendars are duplicated?

  • How can I remove duplicates in Photos massively?

    I not only have duplicates in iPhoto and photos, but also in the pictures. In iPhoto, I remove duplicates, why not in the Photos?

    You can certainly - or program will do it for you and two require third-party software - for Photos of some of the programs tested and safe are

    PowerPhotos

    PhotoSweeper for Photos

    Duplicate Annihilator for Photos

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  • the option remove duplicates has been removed!

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    Hello

    You can always find the duplicates. It was move to file > library > show duplicate items.

    Jim

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    + I paid $10 for "Gemini" dual Finder and has been a complete waste of time that didn't work only not with the "Photos" application (it wasn't not clear documentation or support, and when I trigger it supported by Macpaw that they said gemini does not support photos and told me to buy another app macpaw - I told them to go jump in a Lake).

    + I found very good Photosweeper that you can set to match exact or variable (for example photos of accidental burst which are 99.99% identical but 0,1s collapse) and then you can right click to view original file / image in the library to manually check duplicate (if you are paranoid like me) - there are many other paid apps that also make this store then around

    Photos detects duplicates when you import pictures and when you synchronize with ICPL

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    There are a few duplicate programs that are tested as safe with Photos, including PowerPhotos, PhotoSweeper for the pictures and Duplicate Annihilator for Photos - do not use a tested and documented as safe\

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    LN

  • Removing duplicates, I usually have to remove the song duplicate twice to make it disappear. Why?

    When you remove duplicate songs, I usually have to remove the song duplicate twice to make it disappear. Why?

    When I delete the duplicate song it pops up again. When I erase it a second time he remains missing.   After the first removal, he reappeared with a little cloud in an arrow down. Once I have remove that she remains missing.

    Is it possible that I can delete a song in one operation?

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    Looks like you have an iCloud music library, Subscribe to Match iTunes Apple music (or both).  The first time, you probably delete the local copy of the song file (stored on the storage of your computer).  But the song still in your iCloud library, so it appears in your list of music library with the cloud with the arrow symbol (which you can click to download it again).  You can still play the song streaming from iCloud.  The second time, you delete the song completely within your music to iCloud library.

    You can see the distinction if you right click on a song (which is stored locally) in iTunes.  On the shortcut menu that appears, there are two separate, Remove Download and deletecommands.  Remove Download removes the local copy of the song file, but keeps the song in your music to iCloud library.  Delete deletes the song completely, with a single action.

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    Way the easiest is to change the view songs and then sort the display by the song title. In this way all the duplicated songs appear together.

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    I have about 14 000 songs in my iTunes library, but really there are only about a quarter as much because there are so many duplicates. I don't know how they got there in the first place, and try to remove them is infuriating! I have already spent several hours going by checking all the files I want to remove (thinking that I would delete then all files at once) - only to find out that I still have to delete them one at a time. There must be a better way! Help, please.

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