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Chapter 1 Summary of Martin Kleppmann’s ‘Designing Data Intensive Applications’ · Context Rather than being compute-intensive, modern applications are...
A regular expression is a character sequence that is used to search for and locate specific character sequences that match a pattern. You can,...
In my previous introductory article on subqueries, I explained that if a subquery returns multiple rows, then it cannot be used on either side of the...
Subqueries remain one of the most powerful features in SQL. They can be used to filter data, generate values, and construct temporary data sets. What...