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Interview Questions
Oracle DBA FAQ - Loading and Exporting Data

A collection of 27 FAQs on Oracle loading data and exporting data. Clear answers are provided with exercises on saving data as flat files, loading data from flat, exporting and importing database, schema and tables, creating external tables.
Topics included in this FAQ are:

  • What Is the Simplest Tool to Run Commands on Oracle Servers?
  • What Is the Quickest Way to Export a Table to a Flat File?
  • How To Export Data with a Field Delimiter?
  • What Is SQL*Loader?
  • What Is a SQL*Loader Control File?
  • Normalization

    Normalization is a design technique that is widely used as a guide in designing relational databases. Normalization is essentially a two step process that puts data into tabular form by removing repeating groups and then removes duplicated data from the relational tables.

    Normalization theory is based on the concepts of normal forms. A relational table is said to be a particular normal form if it satisfied a certain set of constraints. There are currently five normal forms that have been defined. In this section, we will cover the first three normal forms that were defined by E. F. Codd.

    Oracle Maestro

    Oracle Maestro is the premier Windows GUI admin tool for Oracle database server management, control and development.

    Oracle Maestro provides you  with a number of tools allowing to perform all the necessary database operations such as creating, editing, and duplicating database objects; moreover, you can build queries visually, execute and optimize SQL queries and SQL scripts, view and edit data including BLOBs, represent data as diagrams, export and import data to/from most popular file formats, analyze your data summarized into multidimensional views and hierarchies (OLAP cubes), and use a lot of other tools implemented to make your work with Oracle server comfortable and efficient.

    Oracle DBA FAQs and Tips

    This is a collection of FAQ and tips for Oracle DBA and developers. The clear answers and sample scripts provided can be used as learning s or interview preparation guides.

    It doesn't matter whether you are a beginner or an experienced Oracle DBA or developer, browse through our Oracle DBA FAQ and tips. They will always help you to improve your skills and find some good ideas to solve problems in your daily tasks.

    So far, Our Oracle developers have written 438 questions and answers to share with you. Each one of them answers one commonly asked Oracle question with a short, but precise and clear SQL script. More questions will be available soon. Please come back to visit this page again.

    Oracle DBA FAQ - Working with Cursors in PL/SQL

    A collection of 19 FAQs on working with database objects in PL/SQL. Clear answers are provided with exercises on defining, opening, and closing cursors, looping through cursors, defining and using cursor variables. Topics included in this FAQ are:

  • What Is a Cursor?
  • How Many Types of Cursors Supported in PL/SQL?
  • What Is the Implicit Cursor?
  • How To Use Attributes of the Implicit Cursor?
  • How To Loop through Data Rows in the Implicit Curosr?
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