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sql set operations

Innocent Iguana answered on January 7, 2021 Popularity 9/10 Helpfulness 3/10

answer sql set operations

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sql set operations

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-- <OPERATION> can be replaced with following keywords:
-- UNION : all values without duplicates
--  UNION ALL : all values including duplicates
-- INTERSECT: all common values
-- EXCEPT : values that exist in the first entry table only and does not exist in the second entry table
SELECT id, name FROM table1
<OPERATION>
SELECT id, name FROM table2;

Popularity 9/10 Helpfulness 3/10 Language sql

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Tags: set-operations sql

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Contributed on Jan 19 2024

Innocent Iguana

0 Answers Avg Quality 2/10

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Used alongside UPDATE to update existing data in a table.
Example: Updates the value and quantity values for an order with an id of
642 in the orders table.
UPDATE orders
SET value = 19.49, quantity = 2
WHERE id = 642;

Popularity 10/10 Helpfulness 4/10 Language sql

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Tags: set

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Contributed on Jan 07 2021

Lorenzo Satta Chiris

0 Answers Avg Quality 2/10

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sql set operations

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