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Oracle in a Nutshell
book

Oracle in a Nutshell

by Rick Greenwald, David C. Kreines
December 2002
Intermediate to advanced content levelIntermediate to advanced
928 pages
85h 29m
English
O'Reilly Media, Inc.
Content preview from Oracle in a Nutshell

Package Data

Data structures declared within a package specification or body, but outside any procedure or function in the package, are known as package data. The scope of package data is your entire session; it spans transaction boundaries, so package data essentially constitutes the globals for your programs.

Keep the following guidelines in mind as you work with package data:

  • The state of your package variables is not affected by COMMITs and ROLLBACKs.

  • A cursor declared in a package has global scope. It remains open until you close it explicitly or your session ends.

  • A good practice is to hide your data structures in the package body and provide “get and set” programs to read and write that data.

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Publisher Resources

ISBN: 0596003366Errata Page