How can I directly execute SQL statements in sqlplus?

To directly execute SQL statements in SQL*Plus, you can follow these steps:

1. Open the command line or terminal window.
2. The command line tool for accessing and interacting with an Oracle database is SQL*Plus.
3. Please input your username and password.
4. I need only one option in English.
5. Please show me all records from your_table.
6. I only need one choice.
7. Please show me all the records from your_table1 and your_table2.

Please note that SQL*Plus is a command line interface tool for Oracle database. You will need to use the corresponding command line tool for other database systems such as MySQL or SQL Server to execute SQL statements.