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Introduction to Oracle

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Start/Programs/Oracle – OraHome 90/ Application Development/SQL Plus

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Alternatively, go to the F drive, Oracle folder, ora90 subfolder, bin subfolder and double click on the sqlplusw exe file.

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Logon, your username should be your last name followed by your first initial. Your password is your first name followed by underscore and pw. For example, James Smith would have a username smithj and a password james_pw. The host string is: cscora2.lasalle.edu

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After successful log in

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You can enter SQL commands at the SQL prompt

These line numbers were supplied automatically. The line will execute (or attempt execution) after the semicolon and the Enter key are struck.

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Uses DDL to create a table consisting of four fields.

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Confirmation of table creation

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D’Oh forgot to establish ArtistID as the primary key, can drop this table and start again.

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Recreate Artist table with primary key established.

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Use DDL to create a WorkOfArt table.

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Use the INSERT command to enter data into the Artist table.

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Use the INSERT command to enter data into the Artist table.

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Query the Artist table

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Query the WorkOfArt table.

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Perform a query that joins the Artist table and WorkOfArt table.

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Exit Oracle

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Start Oracle again and do a select query on the tab table which shows a user’s tables

I had also created a Names table, you should only have Artist and WorkOfArt.

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Add another row of data and close (not exit)

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Start Oracle again and run Select query on the Artist table.

Where’s Paul Gauguin?

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Insert Paul Gauguin again and this type follow that with COMMIT, then close.

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Start Oracle again and do a select query on Artist

This time Paul Gauguin stayed because the insert transaction was committed.

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Insert another row, rollback, then do a select query on the Artist table

Jackson Pollok does not appear because that entry transaction was rolled back.

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Add two rows, rollback and do a select

query

Both new rows disappear, rollback gets rid of things up to the last commit.

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Create a table, rollback, do a select query on the tab table

Temp appears despite rollback, creates cannot be rolled back.

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Repeat the query joining the Artist and WorkOfArt tables, but use a RIGHT JOIN.

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Use Notepad to create an .sql file with SQL commands

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Go to Windows Explorer, select Tools/Folder Options

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Select the View tab, choose not to hide file extensions

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If your file has an additional .txt, rename it

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Use the keyword START followed by the path of the sql file you created

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Do not forget to commit the transaction