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DP-800 practice question 19

Developing AI-Enabled Database Solutions · free question 19 of 20

Question

You have a database named db1. The schema is stored in a Git repository as an SDK-style SQL database project. The repository contains the following GitHub Actions workflow. ```yaml name: Database CI/CD on: push: branches: - main pull_request: branches: - main jobs: build-and-deploy: runs-on: ubuntu-latest steps: - name: Checkout code uses: actions/checkout@v3 - name: Setup .NET uses: actions/setup-dotnet@v3 with: dotnet-version: '8.x' - name: Build run: dotnet build db1.sqlproj --configuration Release - name: Deploy run: | SqlPackage /Action:Publish \ /SourceFile:./bin/Release/db1.dacpac \ /TargetConnectionString:"${{ secrets.Target_Connection_String }}" unit-tests: runs-on: ubuntu-latest needs: build-and-deploy if: github.ref == 'refs/heads/main' steps: - name: Checkout code uses: actions/checkout@v3 - name: Setup .NET uses: actions/setup-dotnet@v3 with: dotnet-version: '8.x' - name: Run unit tests run: dotnet test UnitTests.csproj --configuration Release ``` For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point.

Explanation

Statement 1 (Yes): A push to main triggers the workflow, and the unit-tests job runs after build-and-deploy because github.ref is refs/heads/main for that push. On a pull request the ref is a pull request ref, so the condition skips the tests there, but that does not affect pushes to main. Statement 2 (Yes): Building a SQL database project with dotnet build validates the references between objects and the T-SQL syntax against the target platform, and fails the build on errors, before the .dacpac is produced. Statement 3 (Yes): SqlPackage Publish compares the .dacpac with the target database and, because VerifyDeployment defaults to True, runs a schema validation step before executing the plan. It stops the publish when issues would block deployment or, with BlockOnPossibleDataLoss, when a change could lose data.

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