Breaking News: Grepper is joining You.com. Read the official announcement!

sql union

Add Answer

VasteMonde answered on January 7, 2021 Popularity 10/10 Helpfulness 4/10

answer sql union

related SQL UNION Operator

related sql union

related SQL UNION

related sql union

related UNION in SQL

related union SQL

related union sql query

related what is union in sql

sql union

Comment

-- UNION: distinct values (slower)
SELECT emp_name AS name from employees
UNION       
SELECT cust_name AS name from customers;

-- UNION ALL: keeps duplicates (faster)
SELECT emp_name AS name from employees
UNION ALL      
SELECT cust_name AS name from customers;

Popularity 10/10 Helpfulness 4/10 Language sql

Source: Grepper

Tags: join multiple-tables select sql union

Link to this answer
Share Copy Link

Contributed on Apr 22 2021

VasteMonde

0 Answers Avg Quality 2/10

Closely Related Answers

SQL UNION Operator

Comment

SELECT column_name(s) FROM table1
UNION
SELECT column_name(s) FROM table2;

Popularity 10/10 Helpfulness 2/10 Language sql

Source: Grepper

Tags: sql

Link to this answer
Share Copy Link

Contributed on May 23 2022

naly moslih

0 Answers Avg Quality 2/10

sql union

Comment

Combines the results from 2 or more SELECT statements and returns only
distinct values.
Example: Returns the cities from the events and subscribers tables.
SELECT city FROM events
UNION
SELECT city from subscribers;

Popularity 10/10 Helpfulness 2/10 Language sql

Source: Grepper

Tags: sql

Link to this answer
Share Copy Link

Contributed on Jan 07 2021

Lorenzo Satta Chiris

0 Answers Avg Quality 2/10

SQL UNION

Comment

SELECT age
FROM Teachers
UNION
SELECT age
FROM Students;

Popularity 10/10 Helpfulness 2/10 Language sql

Source: Grepper

Tags: sql

Link to this answer
Share Copy Link

Contributed on May 22 2022

SAMER SAEID

0 Answers Avg Quality 2/10

sql union

Comment

SELECT
A.ID, SUM(A.COUNTS) AS COUNT_TOTAL
FROM
(
SELECT X AS ID, COUNT(*) AS COUNTS FROM TABLE1 GROUP BY X
UNION ALL
SELECT Y AS ID, COUNT(*) AS COUNTS FROM TABLE1 GROUP BY Y
) A
GROUP BY A.ID
ORDER BY A.ID;

Popularity 10/10 Helpfulness 2/10 Language sql

Source: stackoverflow.com

Tags: sql

Link to this answer
Share Copy Link

Contributed on Nov 16 2022

Yellowed Yak

0 Answers Avg Quality 2/10

UNION in SQL

Comment

#Syntax to execute UNION in SQL

SELECT columnName(s) FROM table1
UNION
SELECT columnName(s) FROM table2;

Popularity 10/10 Helpfulness 2/10 Language sql

Source: my.uopeople.edu

Tags: sql

Link to this answer
Share Copy Link

Contributed on Oct 14 2022

Creepy Cottonmouth

0 Answers Avg Quality 2/10

union SQL

Comment

SQL> SELECT  ID, NAME, AMOUNT, DATE
   FROM CUSTOMERS
   LEFT JOIN ORDERS
   ON CUSTOMERS.ID = ORDERS.CUSTOMER_ID
UNION
   SELECT  ID, NAME, AMOUNT, DATE
   FROM CUSTOMERS
   RIGHT JOIN ORDERS
   ON CUSTOMERS.ID = ORDERS.CUSTOMER_ID;

Popularity 10/10 Helpfulness 2/10 Language sql

Source: www.tutorialspoint.com

Tags: sql

Link to this answer
Share Copy Link

Contributed on Oct 01 2021

Smiling Snail

0 Answers Avg Quality 2/10

union sql query

Comment

union sql query

select eventos.nombre, instituciones.nombre 
FROM instituciones
JOIN evento_institucion ON evento_institucion.institucion_id = instituciones.id
JOIN eventos ON eventos.id = evento_institucion.evento_id
where eventos.id = 1
UNION
select inscripciones.codigo, eventos.nombre from inscripciones
JOIN eventos ON inscripciones.evento_id = eventos.id
where inscripciones.id = 1;

Popularity 9/10 Helpfulness 1/10 Language sql

Source: es.stackoverflow.com

Tags: sql

Link to this answer
Share Copy Link

Contributed on May 22 2023

ESTO ES ISAEL

0 Answers Avg Quality 2/10

what is union in sql

Comment

UNION:
COMBINES THE RESULT OF 2 QUERY AND
REMOVES DUPLICATE ROWS AND
SORTS BY FIRST COLUMN

Popularity 10/10 Helpfulness 1/10 Language sql

Source: Grepper

Tags: sql

Link to this answer
Share Copy Link

Contributed on Jan 07 2021

Obedient Ocelot

0 Answers Avg Quality 2/10

sql union

Contents

More Related Answers

sql union

Closely Related Answers

SQL UNION Operator

sql union

SQL UNION

sql union

UNION in SQL

union SQL

union sql query

what is union in sql

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.