Create run_sql.md

django/run_sql.md

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+# Run SQL statements as part of your migrations with `migrations.RunSQL` 
+
+## Links 
+
+- [RunSQL](https://docs.djangoproject.com/en/5.0/ref/migration-operations/#runsql)
+
+## Notes 
+
+`migrations.RunSQL` enables you to run raw SQL on your database from within your migration file. 
+
+From the docs: 
+
+You can also pass a list of strings or 2-tuples. The latter is used for passing queries and parameters in the same way as cursor.execute(). These three operations are equivalent:
+
+```py
+migrations.RunSQL("INSERT INTO musician (name) VALUES ('Reinhardt');")
+migrations.RunSQL([("INSERT INTO musician (name) VALUES ('Reinhardt');", None)])
+migrations.RunSQL([("INSERT INTO musician (name) VALUES (%s);", ["Reinhardt"])])
+```
+
+> I haven't used this myself, but learned about it from someone else and wanted to document it!