Basic course of 4 hours free
Completion certificate
AI tutor
Practical activities
Online and lifelong course
What will I learn?
Fungua uwezo wa data na Mkufunzi wetu wa Haraka wa SQL, ulioundwa kwa ajili ya wataalamu wa teknolojia wanaotaka kuboresha ujuzi wao wa hifadhidata. Ingia ndani kabisa ya mbinu bora za SQL, kuhakikisha uadilifu wa data na kuandika maswali yenye ufanisi. Jifunze mbinu za hali ya juu kama vile kuunganisha jedwali na kutumia vitendaji vya jumla. Jifunze jinsi ya kudhibiti data kwa kutumia amri za SELECT, INSERT, na UPDATE, na uboresha ujuzi wako katika kuchuja, kupanga, na ufafanuzi wa data. Mkufunzi huyu mfupi na wa ubora wa juu hukuwezesha kushughulikia uingizaji/usafirishaji wa data kwa urahisi, na kukufanya mtaalamu wa SQL kwa muda mfupi.
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Learning outcomes
Strengthen the development of the practical skills listed below
Jua sarufi ya SQL: Andika maswali yaliyo wazi na yenye ufanisi kwa ajili ya kurejesha na kudhibiti data.
Hakikisha uadilifu wa data: Tekeleza mbinu bora za kudumisha hifadhidata sahihi na za kuaminika.
Boresha utendaji wa swali: Jifunze mbinu za kuandika maswali ya SQL ya haraka na yenye ufanisi.
Ushughulikiaji wa data wa hali ya juu: Tumia viunganisho, GROUP BY, na vitendaji vya jumla kwa uchambuzi changamano.
Dhibiti miundo ya data: Unda, rekebisha, na boresha jedwali kwa kutumia amri za DDL.