How to Delete Data in Oracle: Methods

There are several methods for deleting data in Oracle.

1. You can use the DELETE statement to remove data from a table. The syntax is as follows:
2. REMOVE FROM table name WHERE condition;
3. The TRUNCATE statement is used to quickly delete all data in a table while keeping its structure. The syntax is as follows:
4. Empty the table.
5. The DROP statement is used to delete an entire table, including its structure and data. The syntax is as follows:
6. Delete the table with the name specified.
7. The PURGE statement is used to permanently delete data from the recycle bin. If the recycle bin feature is enabled, deleted data will be moved to the recycle bin and can be permanently deleted using the PURGE statement. The syntax is as follows:
8. Delete all data in the table named 表名;
   Remove the column named 列名 from the table named 表名;
   Remove the constraint named 约束名 from the table named 表名.
9. You can use the ALTER TABLE statement to delete columns or constraints from a table. The syntax is as follows:
10. Clear the table named 表名;
    Remove the column 列名 from the table named 表名;
    Remove the constraint 约束名 from the table named 表名.

It is important to note that these operations require appropriate permissions to execute.