Use start and end label in the loops of good and bad examples of [G-3310](https://trivadis.github.io/plsql-and-sql-coding-guidelines/v4.2/4-language-usage/3-dml-and-sql/3-transaction-control/g-3310/) and [G-3320](https://trivadis.github.io/plsql-and-sql-coding-guidelines/v4.2/4-language-usage/3-dml-and-sql/3-transaction-control/g-3320/).
