How can Oracle change the default value of a table column?

1 year ago
Noah Thompson
1 minute

In Oracle, you can use the ALTER TABLE statement to change the default value of a table column. Below are the steps to modify the default value of a table column.

  1. Firstly, use the DESCRIBE statement to view the structure of the table and determine the name of the field to be modified.
  2. Alter the default value of a field by specifying the table name and field name in the ALTER TABLE statement, using the MODIFY clause.
  3. To change the default value of a column named “column_name” in a table named “table_name” to “new_default_value”, you can use the following statement:
  4. Change the default value of a column in a table by modifying the table structure.
  5. Submit the changes.
  6. If you make changes in a transaction, you need to use the COMMIT statement to commit the changes.
  7. Pledge;

This is the method for changing the default value of a table field in Oracle.

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