Sql query to update record?

hi1
i have 1000 rows in my table that are not unique. i have added a new column named sno.initially that contains null values. Now i want to update the table with sno contains serial no. from 1 to 1000 in a single SQL query
please help
Thanks
Harinder

hi1
i have 1000 rows in my table that are not unique. i
have added a new column named sno.initially that
contains null values. Now i want to update the table
with sno contains serial no. from 1 to 1000 in a
single SQL query
please help
Thanks
HarinderIt will work..
Update <table_name> set <column_name> = ROWNUM
whether the records are duplicate or not...

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    CLAIM_HDR.SBCR_ADDR_STATE AS SBCR_ADDR_STATE,
    CLAIM_HDR.SBCR_ZIP_CD AS SBCR_ZIP_CD,
    CLAIM_HDR.PRVDR_NUM AS PRVDR_NUM,
    CLAIM_HDR.CLM_PRCSSD_DT AS CLM_PRCSSD_DT,
    CLAIM_HDR.CLM_TYPE_CLASS_CD AS CLM_TYPE_CLASS_CD,
    CLAIM_HDR.AUTHO_NUM AS AUTHO_NUM,
    CLAIM_HDR.TOT_BILLED_AMT AS TOT_BILLED_AMT,
    CLAIM_HDR.HCFA_DRG_TYPE_CD AS HCFA_DRG_TYPE_CD,
    CLAIM_HDR.FCLTY_ADMIT_DT AS FCLTY_ADMIT_DT,
    CLAIM_HDR.ADMIT_TYPE AS ADMIT_TYPE,
    CLAIM_HDR.DSCHRG_STATUS_CD AS DSCHRG_STATUS_CD,
    CLAIM_HDR.FILE_BILLING_NPI AS FILE_BILLING_NPI,
    CLAIM_HDR.CLAIM_LOCATION_CD AS CLAIM_LOCATION_CD,
    CLAIM_HDR.CLM_RELATED_ICN_1 AS CLM_RELATED_ICN_1,
    CLAIM_HDR.SUBSCR_INSGRP_NM,
    CLAIM_HDR.CAC,
    CLAIM_HDR.PRVDR_PTNT_ACC_ID,
    CLAIM_HDR.BILL_TYPE,
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    CLAIM_DTL.LAST_SRVC_DT AS LAST_SRVC_DT,
    CLAIM_DTL.PLC_OF_SRVC_CD AS PLC_OF_SRVC_CD,
    PROV.PROV_LST_NM AS BILL_PROV_LST_NM,
    PROV.PROV_FST_NM AS BILL_PROV_FST_NM,
    PROV.PROV_MD_NM AS BILL_PROV_MID_NM,
    PROV.PROV_BILL_ADR1 AS BILL_PROV_ADDR1,
    PROV.PROV_BILL_CITY AS BILL_PROV_CITY,
    PROV.PROV_BILL_STATE AS BILL_PROV_STATE,
    PROV.PROV_BILL_ZIP AS BILL_PROV_ZIP,
    PROV.PROV_SEC_ID AS BILL_PROV_EIN,
    PROV.PROV_ID AS SERV_FAC_ID    ,
    PROV.PROV_ADR1 AS SERV_FAC_ADDR1          ,
    PROV.PROV_CITY AS SERV_FAC_CITY ,
    PROV.PROV_STATE AS SERV_FAC_STATE          ,
    PROV.PROV_ZIP AS     SERV_FAC_ZIP  ,
    CHK_PAYMNT.CLM_PMT_PAYEE_ADDR_LINE_1,
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    CHK_PAYMNT.CLM_PMT_PAYEE_CITY,
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    CLAIM_HDR.MBR_FIRST_NAME AS MBR_FIRST_NAME,
    CLAIM_HDR.MBR_MI AS MBR_MI,
    CLAIM_HDR.MBR_LAST_NAME AS MBR_LAST_NAME,
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    CLAIM_HDR.GENDER_TYPE_CD AS GENDER_TYPE_CD,
    CLAIM_HDR.SBCR_RLTNSHP_TYPE_CD AS SBCR_RLTNSHP_TYPE_CD,
    CLAIM_HDR.SBCR_FIRST_NAME AS SBCR_FIRST_NAME,
    CLAIM_HDR.SBCR_MI AS SBCR_MI,
    CLAIM_HDR.SBCR_LAST_NAME AS SBCR_LAST_NAME,
    CLAIM_HDR.SBCR_ADDR_LINE_1 AS SBCR_ADDR_LINE_1,
    CLAIM_HDR.SBCR_ADDR_LINE2 AS SBCR_ADDR_LINE2,
    CLAIM_HDR.SBCR_ADDR_CITY AS SBCR_ADDR_CITY,
    CLAIM_HDR.SBCR_ADDR_STATE AS SBCR_ADDR_STATE,
    CLAIM_HDR.SBCR_ZIP_CD AS SBCR_ZIP_CD,
    CLAIM_HDR.PRVDR_NUM AS PRVDR_NUM,
    CLAIM_HDR.CLM_PRCSSD_DT AS CLM_PRCSSD_DT,
    CLAIM_HDR.CLM_TYPE_CLASS_CD AS CLM_TYPE_CLASS_CD,
    CLAIM_HDR.AUTHO_NUM AS AUTHO_NUM,
    CLAIM_HDR.TOT_BILLED_AMT AS TOT_BILLED_AMT,
    CLAIM_HDR.HCFA_DRG_TYPE_CD AS HCFA_DRG_TYPE_CD,
    CLAIM_HDR.FCLTY_ADMIT_DT AS FCLTY_ADMIT_DT,
    CLAIM_HDR.ADMIT_TYPE AS ADMIT_TYPE,
    CLAIM_HDR.DSCHRG_STATUS_CD AS DSCHRG_STATUS_CD,
    CLAIM_HDR.FILE_BILLING_NPI AS FILE_BILLING_NPI,
    CLAIM_HDR.CLAIM_LOCATION_CD AS CLAIM_LOCATION_CD,
    CLAIM_HDR.CLM_RELATED_ICN_1 AS CLM_RELATED_ICN_1,
    CLAIM_HDR.SUBSCR_INSGRP_NM,
    CLAIM_HDR.CAC,
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    CLAIM_DTL.LAST_SRVC_DT AS LAST_SRVC_DT,
    CLAIM_DTL.PLC_OF_SRVC_CD AS PLC_OF_SRVC_CD,
    PROV.PROV_LST_NM AS BILL_PROV_LST_NM,
    PROV.PROV_FST_NM AS BILL_PROV_FST_NM,
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    PROV.PROV_BILL_CITY AS BILL_PROV_CITY,
    PROV.PROV_BILL_STATE AS BILL_PROV_STATE,
    PROV.PROV_BILL_ZIP AS BILL_PROV_ZIP,
    PROV.PROV_SEC_ID AS BILL_PROV_EIN,
    PROV.PROV_ID AS SERV_FAC_ID    ,
    PROV.PROV_ADR1 AS SERV_FAC_ADDR1          ,
    PROV.PROV_CITY AS SERV_FAC_CITY ,
    PROV.PROV_STATE AS SERV_FAC_STATE          ,
    PROV.PROV_ZIP AS     SERV_FAC_ZIP  ,
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    CHK_PAYMNT.CLM_PMT_PAYEE_ADDR_LINE_2,
    CHK_PAYMNT.CLM_PMT_PAYEE_CITY,
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    CHK_PAYMNT.CLM_PMT_PAYEE_POSTAL_CD,
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