Oracle Database Administration from Zero to Hero - Using External Tables

This lecture covers the use of external tables in Oracle databases, focusing on Oracle Loader and Data Pump drivers. It explains how to create external tables, the syntax involved, and the benefits of using parallel processing. The lecture also discusses the process of unloading and loading data using Oracle Data Pump, highlighting the importance of knowing table structures and using parallelism for efficiency.

What are external tables used for in Oracle databases?

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What is the significance of the AXIS Driver in Oracle databases?

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Explain the difference between Oracle Loader and Oracle Data Pump drivers.

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Describe the process of creating an external table using the Oracle Loader driver.

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What specifications are required when creating an external table?

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What are the implications of not being able to perform DML operations on Oracle Loader external tables?

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What are the benefits of using parallelism in external tables?

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How does the Oracle Data Pump driver facilitate data transfer between databases?

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What should be recorded when unloading an external data file and why?

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How can you improve the performance of unloading and loading Oracle Data Pump external tables?

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