How do you perform a performance tuning in SQL?

Supercharge Your SQL Queries for Production Databases

1. Define business requirements first.
2. SELECT fields instead of using SELECT *
3. Avoid SELECT DISTINCT.
4. Create joins with INNER JOIN (not WHERE)
5. Use WHERE instead of HAVING to define filters.
6. Use wildcards at the end of a phrase only.
7. Use LIMIT to sample query results.

How do you tune a performance?

Systematic tuning follows these steps:

1. Assess the problem and establish numeric values that categorize acceptable behavior.
2. Measure the performance of the system before modification.
3. Identify the part of the system that is critical for improving the performance.
4. Modify that part of the system to remove the bottleneck.

What is performance chip tuning?

Chip tuning refers to changing or modifying an erasable programmable read only memory chip in an automobile’s or other vehicle’s electronic control unit (ECU) to achieve superior performance, whether it be more power, cleaner emissions, or better fuel efficiency.

What is the best Oracle database management tool?

Oracle Enterprise Manager (EM) is the best management tool for Oracle database, by far. Enterprise Manager 12c – Total Cloud Control. (Disclosure: I worked in Enterprise Manager sales consulting for five years)

What is tuning in SQL?

SQL tuning is the process of ensuring that the SQL statements that an application will issue will run in the fastest possible time.

What is Oracle Performance Management?

Oracle Performance Management. The challenge they face is to implement an effective performance management system. To help enterprises set SMART individual goals to match with their business goals and growth strategy, Oracle Performance Management (OPM) provides an integrated set of performance management functions.