assignmentcafe.com – What is the focus of most performance-tuning activities, and why does that focus exist? What are database statistics, and why are they important? 2022 latest answers

assignmentcafe.com –

What is SQL performance tuning?

 What is database performance tuning?

 What is the focus of most performance-tuning activities, and why does that focus exist?

 What are database statistics, and why are they important?

 How are database statistics obtained?

  What database statistics measurements are typical of tables, indexes, and resources?