How to view the table structure in oracle database

View the structure of a table in an Oracle database using the following methods: using the SQL command DESCRIBE table_name; using the graphical interface of a database tool such as Oracle SQL Developer or Toad.

How to view the table structure in the Oracle database

To view the structure of the table in the Oracle database, you can use the following Method:

Use SQL command

<code class="sql">DESCRIBE table_name;</code>

Where, table_name is the name of the table whose structure you want to view. This command will return information about the columns in the table, including:

• Column name
• Data type
• Constraints (e.g., primary key, foreign key)
• Whether it is a null value

Use database tools

Most database tools, such as Oracle SQL Developer or Toad, provide a graphical interface to view Table Structure. These tools often provide interactive functionality, such as:

• View table-level and column-level metadata
• View indexes and constraints in a table
• Edit the table structure

Detailed steps:

1. Open the Oracle database tool

• Use the database of your choice Tools such as Oracle SQL Developer or Toad.

2. Connect to the database

• Connect to the target Oracle database using your database credentials.

3. Select the table whose structure you want to view

• Locate the table you want to view in the navigation pane or object tree.

4. View the table structure

• In the database tool, use the appropriate options to view the table structure. This may include right-clicking on the table and selecting View Structure, or using the relevant button on the toolbar.

5. Interpret the results

• The database tool will display detailed structural information about the table. Carefully review the listed information, including column names, data types, constraints, and null policies.

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