19 lines
457 B
SQL
19 lines
457 B
SQL
--drop constraint se existe
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DECLARE
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itemExists NUMBER;
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BEGIN
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itemExists := 0;
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SELECT COUNT(CONSTRAINT_NAME) INTO itemExists
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FROM ALL_CONSTRAINTS
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WHERE UPPER(CONSTRAINT_NAME) = UPPER('PRECIO_VENTAJA__UN');
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IF itemExists > 0 THEN
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begin
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EXECUTE IMMEDIATE 'ALTER TABLE PRECIO_VENTAJA DROP CONSTRAINT PRECIO_VENTAJA__UN';
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EXECUTE IMMEDIATE 'drop index PRECIO_VENTAJA__UN';
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exception when others then null;
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end;
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END IF;
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END; |