Intra-doc links (can you have too many??)

I have an ebook that will be apprx 500 pages.  If I create intra-document links from the Table of Contents to each chapter,  then back links from each page in every chapter to the TOC  will this slow the perfomance of the PDF or does the number of intra-document links have no impact on performace.
For example, if I had 12 chapters,  each chapter listed in the TOC would link to the first page of each chapter.
All 500 pages would have a link on the bottom of each page that the user could click and be taken back to the TOC.
Thanks for your help.

I have some tables with over 100 million rows that still perform well, and I'm sure much larger tables are possible.  The exact number of rows would vary significantly depending on a number of factors including:
Power of the underlying hardware
Use of the table – frequency of queries and updates
Number of columns and data types of the columns
Number of indexes
Ultimately the answer probably comes down to performance – if queries, updates, inserts, index rebuilds, backups, etc. all perform well, then you do not yet have too many rows.
The best way to rearrange the data would be horizontal partitioning.  It distributes the rows into multiple files; which provides a number of advantages including the potential to perform well with larger number of rows.
http://msdn.microsoft.com/en-us/library/ms190787.aspx

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