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 vote246 views1 answer
Sequence item 6 expected str instance bytes found mysql workbench
SQL
1 vote276 views3 answers
Date_add mysql
SQL
8 votes252 views1 answer
Alter tablespace add datafile
SQL
0 vote261 views1 answer
Update using case in mysql
SQL
0 vote250 views4 answers
Sql limit 1 offset 1
SQL
1 vote253 views1 answer
Sql drop with dependencies
SQL
2 votes284 views1 answer
Where clause for child record apex
SQL
0 vote279 views1 answer
Codeigniter MySQL - Issue with SELECT & GROUP BY
SQL
0 vote262 views1 answer
Sql delete where x or y or z
SQL
0 vote300 views2 answers
Clauses in mysql
SQL