This, in turn, eliminates the problem of maintaining several versions of the same PL/SQL code. External libraries eliminate the need to re-enter commonly-used PL/SQL constructs, whether in reports, forms, or graphs. They may be stored either in the database or in a file, and can be referenced from not only any report, but from other Oracle products. External PL/SQL libraries are modules that contain named PL/SQL functions and procedures. ![]() Here, you will create external libraries and local functions and procedures. You've already create formula columns that used simple PL/SQL expressions to compute their values, and format triggers that used PL/SQL to conditionally determine the formatting of mailing labels. ![]()
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