SQL Refresher Course
What will I learn?
Ma wo SQL nimdeɛ nkɔ anim wɔ SQL Akwantuo Mu Nsɛm Ho Asuadeɛ yi mu, a wɔayɛ ama mfiridwuma mu adwumayɛfoɔ a wɔrehwehwɛ sɛ wɔbɛma wɔn database ho nimdeɛ akɔ anim. Hyɛ database ho nhyehyɛeɛ mu, sua SQL kasasua akyerɛw, na yɛ nhyehyɛeɛ a ɛbɛma nneɛma akɔ so ntɛmntɛm denam akwan horoɔ a agye din so. Sua sɛdeɛ wobɛsesa data yie, hwehwɛ kasasua a ɛyɛ den mu, na wo ne SQL nneɛma atitiriw ne nneyɛeɛ pa a aba foforɔ no ntena ase. Saa asuadeɛ a ɛyɛ tiawa na ɛyɛ papa yi ma wo tumi sɛ wobɛdi wiase mu nsɛnnennen ho dwuma, na ɛma wo gyinabea kɔ anim wɔ w'adwuma mu.
Apoia's Unique Features
Develop skills
Enhance the development of the practical skills listed below
Sua database ho nhyehyɛeɛ yie: Yɛ nhyehyɛeɛ a ɛbɛma nneɛma akɔ so ntɛmntɛm a primary ne foreign keys ka ho.
Twerɛ kasasua a agye din: Fa CTEs, window functions, ne nested queries di dwuma.
Yɛ SQL nhyehyɛeɛ a ɛbɛma nneɛma akɔ so ntɛmntɛm: Fa indexing yɛ adwuma na hwɛ execution nhyehyɛeɛ.
Sesua data yie: Yɛ bulk operations na hwɛ records so.
Fa SQL nneyɛeɛ pa di dwuma: Hwɛ sɛ ahobanbɔ wɔ hɔ na fa SQL nneɛma atitiriw a aba foforɔ di dwuma.
Suggested summary
Workload: between 4 and 360 hours
Before starting, you can modify the chapters and workload.
- Select which chapter to begin with
- Add or remove chapters
- Increase or decrease the course workload
Examples of chapters you can include
You can generate additional chapters like the examples below
This is a free course, aimed at personal and professional development. It is not equivalent to a technical, undergraduate, or postgraduate course, but offers practical and relevant knowledge for your professional journey.