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 18.1 PL/SQL Tables
Lab ObjectivesAfter this Lab, you will be able to: |
A PL/SQL table is similar to one-column database table. The rows of a PL/SQL table are not stored in any predefined order, yet when they are retrieved in a variable each row is assigned a consecutive subscript starting at 1, as shown in the in Figure 18.1.
Figure 18.1. PL/SQL Table
Figure 18.1 shows a PL/SQL table consisting of integer numbers. Each number is assigned a unique subscript that corresponds to its position in the table. For example, number 3 has subscript 5 assigned to it because it is stored in the fifth row of ...
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