![]() ![]() Inferior application design of database access methods.Poor design of tables, indexes, partitions, shards, etc.Inappropriately configured database parameters.Unsuitably configured operating system parameters.Improperly configured computing resources.Here are the most common causes of inefficiency: So what can cause that time to take longer than is acceptable? How can SQL performance tuning and optimization make that process faster? We want the time from when the SQL is submitted to the database to when the final answer is delivered to happen as quickly as possible. It is only when a SQL statement is submitted that data is put into motion. Remember, that a database at rest does absolutely nothing. That means applying SQL performance tuning and optimization to our execution plans. No database can process all queries expediently, but we can strive to make sure our databases process SQL as efficiently as possible. ![]()
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