How to Use the Oracle SQL Developer Tool - Verifying objects in the database

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Expand the Tables node to view all the tables that exist. Expand the NorthEmployees table and you can click any column and modify some of the properties as shown.

You may click on any table to see the data it contains as shown in the next picture.

This way you can see all related Information for the table like the columns, Data, Constraints, etc.

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