Oracle SQL*Plus has a very useful subparameter to the column parameter called NEW_VALUE. The NEW_VALUE directive allows you to store data retrieved from an Oracle table as a variable inside the ...

Read this chapter while sitting at your computer and try out the examples shown. Before beginning, make sure you have access to the sample tables described. To begin using SQL*Plus, you must first ...

The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...

Oracle is an object-relational database system (RDBMS) primarily used by large companies to store and retrieve enterprise-wide, mission-critical, transactional data. When working with an Oracle ...