To answer this question, let's go through each option to understand why it is correct or incorrect:
Option A) /SQL * Plus commands cannot be abbreviated - This option is incorrect. SQL*Plus commands can be abbreviated using a combination of the first few letters of the command.
Option B) /SQL* Plus commands are accessed from a browser - This option is incorrect. SQL*Plus commands are accessed through a command-line interface, not a browser.
Option C) /SQL*Plus commands are used to manipulate data in tables - This option is correct. SQL*Plus commands are used to interact with the Oracle database, including manipulating data in tables through SQL statements.
Option D) /SQL* Plus commands manipulate table definitions in the database - This option is incorrect. SQL*Plus commands are mainly used to interact with data, not to manipulate table definitions.
Option E) /SQL* Plus is the Oracle proprietary interface for executing SQL statements - This option is correct. SQL*Plus is a command-line interface provided by Oracle for executing SQL statements and managing the Oracle database.
The correct answers are C and E. These options correctly describe attributes of SQL*Plus, as it is used to manipulate data in tables and is the Oracle proprietary interface for executing SQL statements.