Here are 5 important tips for those just getting started with query development in SQL Server
🔹Select only the desired columns of the table (SELECT, IDENTIFIERS, ALL COLUMNS); 🔹Select only the desired records from the table (WHERE, FILTER); 🔹Aggregate values by column grouping (GROUP BY); 🔹Sort the records (ORDER BY); 🔹Rename columns and how to use them (ALIAS).
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