October 2002
Intermediate to advanced
688 pages
14h 14m
English
Content preview from Oracle® PL/SQL® Interactive Workbook, Second Edition
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Lab 19.1 Records
Lab ObjectivesAfter this Lab, you will be able to: |
A record structure is somewhat similar to a row of a database table. Each data item is stored in a field with its own name and datatype. For example, suppose you have various data about a company, such as name, address, and number of employees. A record containing a field for each of these items allows you to treat a company as a logical unit, thus making it easier to organize and represent company’s information.
Table-Based and Cursor-Based Records
The %ROWTYPE attribute enables you to create table-based and cursor-based records. It is similar to the %TYPE attribute that is used to define scalar variables. ...
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