General MySQL Oracle SQL Server

Restrictions on External Table Columns in Oracle

Q

What Are the Restrictions on External Table Columns in Oracle?

✍: FYIcenter.com

A

When creating external table columns, you need to watch out some restrictions:

  • "PRIMARY KEY" is not allowed.
  • "NOT NULL" is not allowed.
  • "DEFAULT value" is not allowed.

 

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2016-11-27, 3060🔥, 0💬

General MySQL Oracle SQL Server