SQL views are named queries stored in your database that act as virtual tables. Unlike physical tables, standard views don’t store data—they’re essentially saved SELECT statements that execute…
Read more →Temporary tables are database objects that store intermediate result sets during query execution. Unlike permanent tables, they exist only for the duration of a session or transaction and are…
Read more →• Table partitioning divides large tables into smaller physical segments while maintaining a single logical table, dramatically improving query performance by enabling partition pruning where the…
Read more →• Aliases improve query readability by providing meaningful names for columns and tables, especially when dealing with complex joins, calculated fields, or ambiguous column names
Read more →Pivot tables transform row-based data into columnar summaries, converting unique values from one column into multiple columns with aggregated data. If you’ve worked with Excel pivot tables, the…
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