added empty databases in target

[PulokSaha0706]

Summary by CodeRabbit

• Documentation
  • Added guidance for creating empty target databases before migration.
  • Included SQL examples for conditionally creating a target database and verifying that it contains no user tables.
  • Documented clean retry requirements, including recreating target databases when necessary.

[coderabbitai]

📝 Walkthrough

Walkthrough

The MSSQL migration guide now explains how to create empty target databases, recreate them for clean retries, and verify that RestaurantMigrationDB contains no user tables.

Changes

MSSQL database migration

Layer / File(s)	Summary
Target database preparation docs/guides/mssqlserver/migration/databasemigration.md	Adds instructions and SQL to conditionally create RestaurantMigrationDB and verify that it contains no user tables.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Possibly related PRs

• kubedb/docs#1030: Adds the migration guide section that this change extends with target-database setup instructions.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the main change: adding empty target databases for the MSSQL migration documentation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/mssql-migration-target-prerequisite

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@docs/guides/mssqlserver/migration/databasemigration.md`:
- Around line 275-283: Update the target-database verification instructions
after the UserTables query to require a result of 0 and explicitly instruct
readers not to continue the migration when UserTables is nonzero.

🪄 Autofix

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 0195f010-09cf-4562-a7cc-391291a4d734

📥 Commits

Reviewing files that changed from the base of the PR and between 660a93b and 9c214ab.

📒 Files selected for processing (1)

• docs/guides/mssqlserver/migration/databasemigration.md

[coderabbitai]

🗄️ Data Integrity & Integration | 🟡 Minor | ⚡ Quick win

State the required verification result.

The query only displays a count. State that UserTables must be 0 and that the migration must not continue when the result is nonzero. Otherwise, a pre-existing or partially migrated RestaurantMigrationDB can be used as the target.

Suggested clarification

 SELECT COUNT(*) AS UserTables FROM sys.tables WHERE is_ms_shipped = 0;
 GO
+
+The result must be `0`. If it is not `0`, do not apply the migration CR. Delete and recreate the target database, then run this check again.

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@docs/guides/mssqlserver/migration/databasemigration.md` around lines 275 -
283, Update the target-database verification instructions after the UserTables
query to require a result of 0 and explicitly instruct readers not to continue
the migration when UserTables is nonzero.

[github-actions]

Visit the preview URL for this PR (updated for commit 9c214ab):

https://kubedb-v2-hugo--pr1045-docs-mssql-migration-yd0h1vlh.web.app

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