Learning Path for Oracle

New to this topic? Not sure where to start? For your convenience, we have created the below learning path where articles are organised in the order of their relevance and complexity. Start from the beginning and read one by one to master the subject.

1Learn Oracle Server Architecture in 10 minutesBasic
2Oracle External TablesBasic
3Oracle SpoolBasic
4Oracle UTL_FILEBasic
5Different Methods to move data from Oracle to External FileBasic
6Oracle Analytic FunctionsIntermediate
7How to find out Expected Time of Completion for an Oracle QueryIntermediate
8How to find out Which User is Running what SQL Query in Oracle database?Intermediate
9Understanding Oracle QUERY PLAN - A 10 minutes guideIntermediate
10Understanding Oracle QUERY PLAN - Part2 (Exploring SQL Joins)Intermediate
11Oracle AUTOTRACE Explained - A 10 Minute GuideAdvanced
12Database Performance TuningBasic

This article tries to comprehensively list down many things one needs to know for Oracle Database Performance Tuning. The ultimate goal of this document is to provide a generic and comprehensive guideline to Tune Oracle Databases from both programmer and administrator's standpoint.

AUTOTRACE is a beautiful utility in Oracle that can help you gather vital performance statistics for a SQL Query. You need to understand and use it for SQL Query Tuning. Here is how!

This is the second part of the article Understanding Oracle Query Plan. In this part we will deal with SQL Joins.

Confused about how to understand Oracle Query Execution Plan? This 10 minutes step by step primer is the first of a two part article that will teach you exactly the things you must know about Query Plan.

Do you wonder how to get information on all the active query in the Oracle database? Do you want to know what query is executed by which user and how long is it running? Here is how to do it!

Too often we become impatient when Oracle Query executed by us does not seem to return any result. But Oracle (10g onwards) gives us an option to check how long a query will run, that is, to find out expected time of completion for a query.

Oracle Analytic Functions compute an aggregate value based on a group of rows. It opens up a whole new way of looking at the data. This article explains how we can unleash the full potential of this.

How to push data from Oracle Table to external files? Well, external tables in Oracle provides a way to move data in as well as out of the database with the help of SQL*Loader and Data Pump functionality.

The Oracle supplied PL/SQL package UTL_FILE used to read and write operating system files that are located on the database server.

Oracle Spool for SQLplus command line utility, can be used in conjunction with OS to export data from Oracle to flat file.

The Oracle external tables feature allows us to access data in external sources as if it is a table in the database. This is a very convenient and fast method to retrieve data from flat files outside Oracle database.

Here is an easy to understand primer on Oracle architecture. Read this first to give yourself a head-start before you read more advanced articles on Oracle Server Architecture.

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