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Posts tagged #ForeignKey

@forem.com.web.brid.gy

11 months ago

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✅ 𝗙𝗶𝘅𝗲𝗱 𝗮 𝗙𝗼𝗿𝗲𝗶𝗴𝗻 𝗞𝗲𝘆 𝗖𝗼𝗻𝘀𝘁𝗿𝗮𝗶𝗻𝘁 𝗘𝗿𝗿𝗼𝗿 𝗶𝗻 𝗔𝗦𝗣.𝗡𝗘𝗧 𝗖𝗼𝗿𝗲 (𝗘𝗙 𝗖𝗼𝗿𝗲) Today, I worked on resolving a common database error when saving related data in the wrong order. 🔍 𝗜𝘀𝘀𝘂𝗲: `𝗥𝗲𝘀𝘂𝗺𝗲𝗙𝗶𝗹𝗲` 𝗵𝗮𝘀 𝗮 𝗳𝗼𝗿𝗲𝗶𝗴𝗻 𝗸𝗲𝘆 𝘁𝗼 `𝗝𝗼𝗯𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻`. 𝗜 𝘄𝗮𝘀 𝘀𝗮𝘃𝗶𝗻𝗴 `𝗥𝗲𝘀𝘂𝗺𝗲𝗙𝗶𝗹𝗲` 𝗳𝗶𝗿𝘀𝘁 — 𝗯𝘂𝘁 `𝗝𝗼𝗯𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻` 𝗱𝗶𝗱𝗻’𝘁 𝗲𝘅𝗶𝘀𝘁 𝘆𝗲𝘁, 𝘄𝗵𝗶𝗰𝗵 𝗰𝗮𝘂𝘀𝗲𝗱 𝗮 𝗳𝗼𝗿𝗲𝗶𝗴𝗻 𝗸𝗲𝘆 𝗰𝗼𝗻𝘀𝘁𝗿𝗮𝗶𝗻𝘁 𝗲𝗿𝗿𝗼𝗿. 🛠 𝗙𝗶𝘅 (𝗦𝘁𝗲𝗽𝘀): 1. Made `JobApplicationId` nullable in `ResumeFile` model. public int? JobApplicationId { get; set; } 1. 𝗦𝗮𝘃𝗲𝗱 𝗥𝗲𝘀𝘂𝗺𝗲𝗙𝗶𝗹𝗲 without setting `JobApplicationId`: _unitOfWork.ResumeFile.Add(resumeFile); _unitOfWork.Save(); 1. 𝗦𝗮𝘃𝗲𝗱 𝗝𝗼𝗯𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 and used the generated ID: _unitOfWork.JobApplication.Add(jobApplication); _unitOfWork.Save(); 1. 𝗨𝗽𝗱𝗮𝘁𝗲𝗱 𝗥𝗲𝘀𝘂𝗺𝗲𝗙𝗶𝗹𝗲 𝘄𝗶𝘁𝗵 𝗝𝗼𝗯𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝗜𝗱: resumeFile.JobApplicationId = jobApplication.Id; _unitOfWork.ResumeFile.Update(resumeFile); _unitOfWork.Save(); 📌 𝗟𝗲𝘀𝘀𝗼𝗻: 𝗦𝗮𝘃𝗲 𝗽𝗮𝗿𝗲𝗻𝘁 𝗿𝗲𝗰𝗼𝗿𝗱𝘀 𝗳𝗶𝗿𝘀𝘁 𝗶𝗳 𝗳𝗼𝗿𝗲𝗶𝗴𝗻 𝗸𝗲𝘆 𝗰𝗼𝗻𝘀𝘁𝗿𝗮𝗶𝗻𝘁𝘀 𝗲𝘅𝗶𝘀𝘁 — 𝗼𝗿 𝗺𝗮𝗸𝗲 𝘁𝗵𝗲 𝗙𝗞 𝗻𝘂𝗹𝗹𝗮𝗯𝗹𝗲 𝗮𝗻𝗱 𝘂𝗽𝗱𝗮𝘁𝗲 𝗶𝘁 𝗹𝗮𝘁𝗲𝗿. 💬 𝗛𝗼𝘄 𝗱𝗼 𝘆𝗼𝘂 𝗵𝗮𝗻𝗱𝗹𝗲 𝘀𝗮𝘃𝗶𝗻𝗴 𝗿𝗲𝗹𝗮𝘁𝗲𝗱 𝗲𝗻𝘁𝗶𝘁𝗶𝗲𝘀 𝘄𝗶𝘁𝗵 𝗳𝗼𝗿𝗲𝗶𝗴𝗻 𝗸𝗲𝘆𝘀 𝗶𝗻 𝗘𝗙 𝗖𝗼𝗿𝗲? 𝗔𝗻𝘆 𝘁𝗶𝗽𝘀 𝗼𝗿 𝗯𝗲𝘀𝘁 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗲𝘀?

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Kingsley Uyi Idehen

@kidehen.bsky.social

11 years ago

Q: What sits between you and your Data? A: Identifiers! Read: #URI #LinkedData #PrimaryKey #ForeignKey #ODBC #NewSQL

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