Remember the old days of original “dark mode?” I do. When I was in my second year at university, I was delighted to receive a personal computer XT as a gift. It was a wonderful gift because it allowed...
Introduction
A covering index is a special case of an index in InnoDB where all required fields for a query are included in the index; in other words, the index itself contains the required data to ex...
When you are executing SQL statements to find which one is the best, you need to take into consideration the factors that can skew the accuracy of the results of the testing. These factors include cac...