oracle finding duplicate records
SELECT column_name, COUNT(column_name)
FROM table_name
GROUP BY column_name
HAVING COUNT(column_name) > 1;
oracle finding duplicate records
SELECT column_name, COUNT(column_name)
FROM table_name
GROUP BY column_name
HAVING COUNT(column_name) > 1;
oracle duplicate table
-- Copy a table (datas, columns and storage parameters)
CREATE TABLE my_new_table AS SELECT * FROM my_source_table;
-- Use NOLOGGING, and PARALLEL if allowed for faster copy
CREATE TABLE my_new_table
PARALLEL 10 NOLOGGING
AS
SELECT /*+ parallel(10) */ * FROM my_source_table;
-- To create an empty table:
CREATE TABLE my_new_table AS SELECT * FROM my_source_table
WHERE rownum = 0;
Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us