October 2002
Beginner
864 pages
18h 41m
English
Content preview from Sams Teach Yourself SQL in 21 Days, Fourth Edition
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Q&A
| Q1: | Why should I use the views and tables in the data dictionary? |
| A1: | Using the views in the data dictionary is the most accurate way to discover the nature of your database. The tables can tell you what you have access to and what your privileges are. They can also help you monitor various other database events such as user processes and database performance. |
| Q2: | How is the data dictionary created? |
| A2: | The data dictionary is created when the database is initialized. Oracle Corporation provides several scripts to run when creating each database. These scripts create all necessary tables and views for that particular database's data dictionary. |
| Q3: | How is the data dictionary updated? |
| A3: | The data dictionary is updated internally by the RDBMS during ... |
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