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 SQL Ting Klarisha yetu, iliyoundwa kwa ajili ya wataalamu wa teknolojia wenye hamu ya kuongeza ujuzi wao wa database. Ingia ndani kabisa ya mbinu bora za SQL, kuhakikisha uaminifu wa data na uandishi wa maswali yenye ufanisi. Jifunze mbinu za hali ya juu kama vile kuunganisha majedwali na kutumia vitendaji vya mkusanyiko. Jifunze kudhibiti data na amri za SELECT, INSERT, na UPDATE, na uboreshe ujuzi wako katika kuchuja, kupanga, na ufafanuzi wa data. Kozi hii fupi na ya hali ya juu inakuwezesha kushughulikia uingizaji/usafirishaji wa data bila mshono, na kukufanya mtaalamu wa SQL kwa muda mfupi.
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Learning outcomes
Strengthen the development of the practical skills listed below
Jua kikamilifu sintaksia ya SQL: Andika maswali safi na yenye ufanisi kwa upatikanaji na udhibiti wa data.
Hakikisha uaminifu wa data: Tekeleza mbinu bora za kudumisha database 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 viunganishi, GROUP BY, na vitendaji vya mkusanyiko kwa uchambuzi tata.
Dhibiti miundo ya data: Unda, rekebisha, na uboreshe majedwali na amri za DDL.