yes I can put desc
desc table_A
TICKER, QUOTE_DATE, DEBT_CCY, DEBT_INF_1Y, DEBT_1Y_3Y, DEBT_3Y_5Y, DEBT_5Y_7Y, DEBT_7Y_10Y, DEBT_SUP_10Y, LEASE
desc table_B
TICKER, CCY_CODE, PAR_ID, ISIN, RIC, SECURITY_NAME, IS_BASKET_OR_INDEX, INSTRUMENT_TYPE, ASSET_TYPE, HAS_COMPOSITION