Query Optimization
A query that returns correct results is not necessarily an optimized query. A common anti-pattern is treating the database schema as immutable and writing increasingly convoluted queries to work around it. Inefficient queries written on de…
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A query that returns correct results is not necessarily an optimized query. A common anti-pattern is treating the database schema as immutable and writing increasingly convoluted queries to work around it. Inefficient queries written on developer machines with small datasets can go undetected until they reach production at scale. New queries should be reviewed by a DBA or senior developer before reaching production.