15 lines
423 B
SQL
15 lines
423 B
SQL
DECLARE
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v_count NUMBER;
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BEGIN
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SELECT COUNT(1)
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INTO v_count
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FROM USER_TAB_COLUMNS
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WHERE TABLE_NAME = 'SEAL_CONTRACT_LAUNCH_MAIN'
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AND COLUMN_NAME = 'SEAL_DATE';
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IF v_count = 0 THEN
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EXECUTE IMMEDIATE 'ALTER TABLE SEAL_CONTRACT_LAUNCH_MAIN ADD SEAL_DATE DATE';
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EXECUTE IMMEDIATE 'COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.SEAL_DATE IS ''用印时间''';
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END IF;
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END;
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/
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