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<p>DBMS products that utilized it were <a href="page.php?w=Cincom_Systems">Cincom Systems</a>' Total and <a href="page.php?w=Cullinet">Cullinet</a>'s <a href="page.php?w=IDMS">IDMS</a>. IDMS gained a considerable customer base; in the 1980s, it adopted the relational model and SQL in addition to its original tools and languages.</p>

<p>Most <a href="page.php?w=object_database">object database</a>s (invented in the 1990s) use the navigational concept to provide fast navigation across networks of objects, generally using object identifiers as "smart"</p><p>
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