out of pocket sequence

CREATE OR REPLACE TABLE FACT_CLAIM_HEADER (
    clm_key        INTEGER        NOT NULL  -- surrogate key,
    clm_id         VARCHAR(50)    NOT NULL  -- claim identifier,
    mbr_key        INTEGER        NOT NULL  -- FK to DIM_MEMBER,
    prvdr_key      INTEGER        NOT NULL  -- FK to DIM_PROVIDER,
    clm_typ_cd     VARCHAR(10)              -- claim type code,
    clm_stat_cd    VARCHAR(10)              -- claim status code,
    svc_from_dt    DATE                     -- service from date,
    svc_to_dt      DATE                     -- service to date,
    diag_cd_1      VARCHAR(10)              -- principal diagnosis,
    proc_cd        VARCHAR(10)              -- procedure code,
    clm_bill_amt   DECIMAL(18,2)            -- billed amount,
    clm_alwd_amt   DECIMAL(18,2)            -- allowed amount,
    clm_pd_amt     DECIMAL(18,2)            -- paid amount,
    denial_rsn_cd  VARCHAR(10)              -- denial reason code,
    load_dt        TIMESTAMP_NTZ  NOT NULL  -- load timestamp
);