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The most important issue from the above program is that I used “utl_file.get_line” in an infinite loop (a loop that would never finish). It all depends on the “exception.” When the PL/SQL run-time successfully reads a line from the text file, it simply places that information into the variable “s” (which gets displayed directly onto the screen).
When it is unable to read any more lines from the text file, it simply raises an exception (NO_DATA_FOUND), which gets handled in the “exception” section.
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Once an exception gets raised, the control will automatically terminate the loop abnormally.
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It gives you all the necessary steps for creating and developing PL/SQL with UTL_FILE for beginners.
How to read multiple lines from the text file using PL/SQLIn the previous article, we have seen how to work with only the first line in the text file.