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

10 votes195 views2 answers
Sql rtrim
SQL
0 vote242 views2 answers
The metadata storage is not up to date, please run the sync-metadata-storage command to fix this issue.
SQL
0 vote186 views1 answer
Select from column mysql
SQL
4 votes189 views2 answers
How to count items with same name in sql
SQL
0 vote197 views1 answer
Get who is hired in january in sql
SQL
0 vote146 views1 answer
Check sql query executed wp
SQL
0 vote181 views1 answer
Error in connection_import_file(conn@ptr, name, value, sep, eol, skip) : RS_sqlite_import: test.csv line 2 expected 11 columns of data but found 1
SQL
1 vote291 views1 answer
Mysql is odd
SQL
0 vote229 views1 answer
Sqlite get date only
SQL
0 vote234 views1 answer
Display all node label neo4j
SQL