All chess players have their own style, preferences, and preparation. This preparation can range from a beginner who knows the first two or three moves, all the way up to a grandmaster who memorizes ...
-- a) SELECT, WHERE, ORDER BY, GROUP BY SELECT ORDERNUMBER, CUSTOMERNAME, COUNTRY, SALES FROM sales_data_sample WHERE COUNTRY = 'USA'; SELECT ORDERNUMBER, CUSTOMERNAME, SALES FROM sales_data_sample ...
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