How-to-Contribute.md

@@ -37,4 +37,12 @@ Our migrations can be found here: https://github.com/FAForever/db/tree/develop/m
 
 Naming Convention: `Vxx__some-keywords.sql`
 
-A [pull request](https://github.com/FAForever/db/issues?q=is%3Apr+is%3Aclosed) typically contains one migration. The maintainer may change your filename, mostly the version.
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+A [pull request](https://github.com/FAForever/db/issues?q=is%3Apr+is%3Aclosed) typically contains one migration. The maintainer may change your filename, mostly the version.
+
+### Tipps to get your PR approved
+* Nearly every table should have a `create_time` and `update_time` columns. 
+```sql
+ `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+``` 
+* Be familiar with [Database normalization](https://www.wikiwand.com/en/Database_normalization)
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