What is the usage of the oracle DESC command?

The DESC command is used to display the structure of a specified table, including information such as field names, data types, and constraints. By using the DESC command, you can view the table’s structure to understand the field definitions and restrictions. The DESC command is a common command in Oracle databases. Its usage is as follows:

Show table_name structure.

table_name is the name of the table you want to check the structure of. When you execute the DESC command, Oracle database will provide information about the table’s structure, including field names, data types, lengths, and constraints. This can help users better understand the table’s structure and facilitate subsequent data operations and queries.