Duplicate table sql

CREATE TABLE new_table LIKE original_table;

Source: popsql.com

Duplicate in sql

• SELECT first_name, COUNT (first_name) FROM employees
GROUP BY first_name
HAVING (COUNT(first_name) > 1);

Sql how to duplicate a table

CREATE TABLE new_table LIKE original_table;
INSERT INTO new_table SELECT * FROM original_table;

Duplicate records in sql

Multiple field=
SELECT username, email, COUNT(*)
FROM users
GROUP BY username, email
HAVING COUNT(*) > 1

Single field=
SELECT _column, COUNT(*) 
FROM _table
GROUP BY _column
HAVING COUNT(*) > 1

Duplicate a column in sql

ALTER TABLE Table1
ADD SubCategory2 {Type of subcategory 1} {NULL|NOT NULL} 
UPDATE Table1 SET SubCategory2 = SubCategory;

Source: stackoverflow.com

Similar codes

1 vote191 views1 answer
Oracle apex prevent initial load
SQL
3 votes177 views2 answers
Oracle for loop
SQL
0 vote189 views4 answers
Sql server date format yyyy-mm-dd
SQL
25 votes196 views6 answers
Change column name mysql
SQL
1 vote212 views1 answer
Oracle dbms scheduler repeat interval every 5 minutes
SQL
0 vote238 views1 answer
Hibernate dialect property xml for mysql 8
SQL
4 votes208 views3 answers
Postgres set default value
SQL
0 vote188 views1 answer
How to create an SQL save method in ruby
SQL
20 votes221 views4 answers
Sql count if
SQL
0 vote208 views1 answer
Learnxinyminutes sql
SQL