Add missing DB versions. Be consistent about ver suffixes - prefer none

for newbies to Oracle

Author: anthony-tuininga

index.html

@@ -186,7 +186,7 @@ <h2>Dependencies</h2>
               libraries.  You can install these libraries using the free <a
               href="https://www.oracle.com/database/technologies/instant-client.html"
               >Oracle Instant Client</a> packages. Python-oracledb works with
-              Oracle Client libraries 11.2 through 23c.  See <a
+              Oracle Client libraries 11.2 through 23.  See <a
               href="https://python-oracledb.readthedocs.io/en/latest/user_guide/initialization.html#enablingthick"
               >Enabling python-oracledb Thick mode</a>.</p>
 
@@ -196,15 +196,15 @@ <h2>Dependencies</h2>
 
               <p><strong>Oracle Database</strong></p>
 
-              <p><strong>Thin mode</strong>: Connects to Oracle Database 12c,
-              18c, 19c, 21c and 23c.</p>
+              <p><strong>Thin mode</strong>: Connects to Oracle Database 12,
+              18, 19, 21 and 23.</p>
 
-              <p><strong>Thick mode</strong>: Connects to Oracle Database 11.2,
-              12c, 18c, 21c and 23c, depending on the Oracle Client library
+              <p><strong>Thick mode</strong>: Connects to Oracle Database 9.2, 10, 11.2,
+              12, 18, 21 and 23, depending on the Oracle Client library
               version.  Oracle Database's standard client-server version
               interoperability allows connection to both older and newer
               databases. For example, when python-oracledb uses Oracle Client
-              19c libraries, it can connect to Oracle Database 11.2 or later.
+              19 libraries, it can connect to Oracle Database 11.2 or later.
               </p>
 
             </li>