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.
Immersing the egg in cold water after boiling is a common method of halting the cooking process to prevent this effect. It also causes a slight shrinking of the contents of the egg. Hard-boiled eggs should be used within two hours if kept at room temperature or can be used for a week if kept refrigerated and in the shell.