Oracle SQL Developer

Using SQL*Plus■■■Running Scripts From SQL*PlusSpooling From SQL*PlusUsing Variables With SQL*Plus10.2.1 Starting and Exiting SQL*PlusTo start SQL*Plus from the operating system command prompt, enter the following:sqlplusWhen prompted, enter the username and password of the user account (schema) thatyou want to access. For example, enter HR for the username and your_hr_passwordwhen prompted.After you have started SQL*Plus, the SQL> prompt displays for you to type in SQLstatements, as follows:SQL>When you want to quit or exit SQL*Plus, type EXIT or QUIT at the SQL prompt, asfollows:SQL> EXIT10.2.2 Displaying Help With SQL*PlusTo display a list of help topics for SQL*Plus commands enter HELP INDEX at the SQLprompt as follows:SQL> HELP INDEXFrom the list of SQL*Plus help topics, you can display help on an individual topic byentering HELP with a topic name. For example the following displays help on theSQL*Plus COLUMN command, which enables you to format column output:SQL> HELP COLUMN10.2.3 Entering and Executing SQL Statements and CommandsTo enter and execute SQL statements or commands, type in the statement or commandat the SQL prompt. At the end of a SQL statement, put a semi-colon (;) and then pressthe Enter key to execute the statement. For example:SQL> SELECT * FROM employees;If the statement does not fit on one line, type in the first line and press the Enter key.Continue entering lines, terminating the last line with a semi-colon (;). For example:SQL> SELECT employee_id, first_name, last_name2 FROM employees3 WHERE employee_id >= 105 AND employee_id