In this query weâve used quota_cte twice, but we only had to define it once, in the WITH clause! The alias âaâ represents the âcurrentâ QuotaDate, and the alias âbâ is the next in chronological order (if any). You can define multiple common table expressions in one WITH clause, separated by commas.
Follow this tip: Start by putting the eggs in a saucepan, covering them with cold water, and bringing it to a boil. Then, remove the pan from the heat, cover it, and let it sit for 10 minutes for firm yet creamy hard-boiled eggs, or up to 15 minutes for very firm eggs. How To Boil Eggs Perfectly Every Time.
For a hard-boiled egg, start the egg in cold water and bring up to the boil. Once the water is gently boiling, set the timer for between 7-10 minutes depending on how well cooked you like your eggs. The longer you boil the egg, the firmer it will be. Once cooked, plunge the hard-boiled egg into plenty of cold water for one minute. Drain and cover with more cold water.