How do I become an Oracle expert?

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How do I become an Oracle expert?

Follow the steps below to become Oracle certified

  1. Explore Certifications. Choose a certification to pursue based on the technology area that interests you.
  2. Prepare for Your Exam. Prepare for your certification exam by taking recommended courses with Oracle University.
  3. Register for Your Exam.

How do you achieve performance tuning?

Prioritized Tuning Steps

  1. Step 1: Tune the Business Rules.
  2. Step 2: Tune the Data Design.
  3. Step 3: Tune the Application Design.
  4. Step 4: Tune the Logical Structure of the Database.
  5. Step 5: Tune Database Operations.
  6. Step 6: Tune the Access Paths.
  7. Step 7: Tune Memory Allocation.
  8. Step 8: Tune I/O and Physical Structure.
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Which Oracle database is used for performance tuning?

SolarWinds Database Performance Analyzer is a tool that can monitor the performance of SQL queries in real-time. You can view a table of the Top SQL Statements in your database to see the highest impact SQL statements.

How can I get OCA?

Steps to Become an Oracle Certified Associate (OCA) Java SE 8 Programmer

  1. Step 1: Prepare to take the required OCA exam by taking beginner and intermediate Java SE 8 training and gaining practical, hands-on experience.
  2. Step 2: Take and pass the Java SE Programmer I exam (1Z0-808).

What is performance tuning in Oracle databases?

Performance tuning in Oracle databases includes optimizing SQL statements and query execution plans so that the requests can be completed more efficiently. The organization of a database the SQL statements used to access that data, determine the level of resources needed to respond to queries when an application communicates with the database.

What is performance tuning?

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Performance tuning is the process of administering a database to improve performance. Performance tuning in Oracle databases includes optimizing SQL statements and query execution plans so that the requests can be completed more efficiently.

How do I check for performance issues in Oracle?

Another area to check into Oracle for performance issues is waiting for events. This information will be available in OEM views­. The SQL*Net message from the client event is the wait for the client to tell the database server to do something. It is just waiting for instructions and really isn’t contributing to issues.

Why do DBAs need to monitor performance in Oracle?

This applies to any database environment. Along with proactive monitoring and tuning for performance, DBAs need to deal with performance issues that arise at times. Oracle has a view of the sessions and a way to see the current statements that are running against the database.