delete column from table oracle PL SQL
ALTER TABLE table_name DROP COLUMN column_name;delete column from table oracle PL SQL
ALTER TABLE table_name DROP COLUMN column_name;oracle drop column
ALTER TABLE my_table DROP COLUMN my_col;
-- To check if column exists before renaming it:
DECLARE
l_cnt INTEGER;
BEGIN
SELECT count(*) INTO l_cnt
FROM dba_tab_columns -- or all_tab_columns (depending on grants)
WHERE owner = 'my_schema' AND table_name = 'my_table'
AND column_name = 'my_col';
IF (l_cnt = 1) THEN
EXECUTE IMMEDIATE 'ALTER TABLE my_schema.my_table DROP COLUMN my_col';
END IF;
END;oracle alter table delete column
alter table table_name drop column column_name;
alter table table_name drop (column_name1, column_name2);Copyright © 2021 Codeinu
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