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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.
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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.