oracle sql drop table
DROP TABLE my_table;
-- To 'really' free space
DROP TABLE my_table PURGE;oracle sql drop table
DROP TABLE my_table;
-- To 'really' free space
DROP TABLE my_table PURGE;delete all table oracle
BEGIN
FOR cur_rec IN (SELECT object_name, object_type
FROM user_objects
WHERE object_type IN
('TABLE',
'VIEW',
'MATERIALIZED VIEW',
'PACKAGE',
'PROCEDURE',
'FUNCTION',
'SEQUENCE',
'SYNONYM',
'PACKAGE BODY'
))
LOOP
BEGIN
IF cur_rec.object_type = 'TABLE'
THEN
EXECUTE IMMEDIATE 'DROP '
|| cur_rec.object_type
|| ' "'
|| cur_rec.object_name
|| '" CASCADE CONSTRAINTS';
ELSE
EXECUTE IMMEDIATE 'DROP '
|| cur_rec.object_type
|| ' "'
|| cur_rec.object_name
|| '"';
END IF;
EXCEPTION
WHEN OTHERS
THEN
DBMS_OUTPUT.put_line ('FAILED: DROP '
|| cur_rec.object_type
|| ' "'
|| cur_rec.object_name
|| '"'
);
END;
END LOOP;
FOR cur_rec IN (SELECT *
FROM all_synonyms
WHERE table_owner IN (SELECT USER FROM dual))
LOOP
BEGIN
EXECUTE IMMEDIATE 'DROP PUBLIC SYNONYM ' || cur_rec.synonym_name;
END;
END LOOP;
END;
/delete rows table oracle
DELETE FROM my_table; -- all rows, commit needed
TRUNCATE TABLE my_table; -- all rows, no possible rollback
DELETE FROM my_table WHERE my_id = 12345;
DELETE FROM my_table WHERE my_id IN (SELECT id2 FROM my_table2);
COMMIT; -- don't forget it...Copyright © 2021 Codeinu
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