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 15.1 Using Parameters with Cursors and for Update Cursors
Lab ObjectivesAfter this Lab, you will be able to: |
Cursors with Parameters
A cursor can be declared with parameters. This enables a cursor to generate a specific result set, which is, on the one hand, narrow, but, on the other hand, reusable. A cursor of all the data from the ZIPCODE table may be very useful, but it would be more useful for certain data processing if it held information for only one state. At this point, you know how to create such a cursor. But wouldn’t it be more useful if you could create a cursor that could accept a parameter of a state and then run through only the city ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.