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Tambayoyi da amsoshin hira na SQL · Atisayen Hira na IT
Gida
/
Database
/
SQL
Database
SQL
Tambayar bayanan dangantaka: joins, indexes da transactions.
30
tambayoyi
ana sabuntawa kowane mako
Junior
10
Middle
12
Senior
8
SQL tambayoyi
8 / 30 ana nunawa
Tsoho
Shahararru
Sabbi
›
Bayyana INNER, LEFT, RIGHT da FULL JOIN.
Junior
#Join
#Query
Bayanai →
›
Gunnar da SELECT statement ke aiki?
Junior
#Query
Bayanai →
›
Yaya ake taɓa layuka tare da WHERE?
Junior
#Query
Bayanai →
›
Abubuwan haɗa-haɗa (COUNT, SUM, AVG, da sauransu) nini ne?
Junior
#Query
Bayanai →
›
GROUP BY da HAVING suna aiki ta yaya?
Junior
#Query
Bayanai →
›
ORDER BY da LIMIT suna aiki ta yaya, kuma ta yaya za ka iya magance shafuka?
Junior
#Query
Bayanai →
›
INSERT, UPDATE da DELETE suna aiki ta yaya?
Junior
#Query
Bayanai →
›
Yaya kuke jima da ɗin kayi tare da DISTINCT?
Junior
#Query
Bayanai →
