SELECT
column_names [,... n]
FROM
Table_1 CROSS JOIN Table_2
SQL FULL OUTER JOIN operatori 1 jadvaldagi xar bir element uchun 2 jadvaldagi elementlarni bog`lab chiqadi. SQL FULL OUTER JOIN operatorining sintaksisi quyidagi ko`rinishda bo`ladi:
SELECT
column_names [,... n]
FROM
Table_1 FULL JOIN Table_2
ON condition
12.4 – rasm. Full outer join operatorining Venn diagrammasi orqali ko‘rinishi.
Ishni bajarish tartibi
SQL INNER JOIN operatori
So`rov: SELECT *FROM zavod_xodimlari
INNER JOIN kon_xodimlari
ON zavod_xodimlari.FISH=kon_xodimlari.FISH;
Natija:
12.5 - rasm. Inner join qo‘llanishi natijasi.
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2. LEFT JOIN operatori
So`rov: SELECT * FROM zavod_xodimlari
LEFT JOIN kon_xodimlari
ON zavod_xodimlari.manzili = kon_xodimlari.manzili;
Natija:
12.5 - rasm. Left join qo‘llanishi natijasi.
RIGHT JOIN operatori
So`rov: SELECT *FROM zavod_xodimlari
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