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Intermediate SQL Course

What will I learn?

Ntlafatsa tsebo ya hao ya Business Intelligence ka Intermediate SQL Course ya rona, e etseditsweng ho ntlafatsa bokgoni ba hao ba ho sekaseka data. Ithute ka botebo ka tlhahlobo ya data ya nako le ho arola bareki ka dihlopha, tseba hantle ho hlatswa le ho fetola data. Ithute mesebetsi ya SQL, ho kenyeletswa mesebetsi ya di-string, dipalo, le nako. Fumana boiphihlelo ho di-joins, mesebetsi ya di-set, le mekgwa ya ho ntlafatsa tshebetso. Ithute ho bokella, ho hlophisa, le mekgwa e metle ya ho sebetsana le diphoso le tshireletseho. Notlolla mekgwa e tsoetseng pele ya ho botsa ka CTEs, di-subqueries, le mesebetsi ya difensetere. Ingolise hona jwale ho fetola boiphihlelo ba hao ba SQL.

Apoia's Unique Features

Accessible online course with lifetime access
Certificate aligned with educational standards
Printable PDF summaries
Online support available at all times
Select and arrange the chapters you wish to study
Customize your course workload
Instant feedback on practical activities
Learn at your own pace, no internet required

Develop skills

Enhance your practical skills as listed below

Tseba tlhahlobo ya data ya nako bakeng sa mekgwa e metle ya data.

Ntlafatsa bokgoni ba ho hlatswa le ho fetola data.

Ntlafatsa di-query tsa SQL ka mekgwa e tsoetseng pele ya indexing.

Phethahatsa di-join tse rarahaneng bakeng sa kopanyo e batsi ya data.

Sebedisa mekgwa e metle ya SQL bakeng sa khoutu e sireletsehileng, e sebetsang.

Suggested summary

Workload: between 4 and 360 hours

Before starting, you can adjust the chapters and workload.

  • Choose your starting chapter
  • Add or remove chapters
  • Alter the total course workload

Examples of chapters you can include

You'll be able to generate additional chapters similar to the examples below

This is a free course focused on personal and professional development. It is not equivalent to a technical, undergraduate, or postgraduate course, but provides practical and relevant knowledge for your career.