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.
1 Once the water comes to a roiling boil turn the element off, move the pot to a cold element, put the lid on the pot and set the timer for 20 minutes. 2  When the timer goes off, pour the hot water out of the pot and add cold water. 3  Leave the eggs sit in the cold water for 5 minutes. 4  Dry off the eggs and they are done!