e BDB SQL interface, you download and build
                    Berkeley DB, configuring it so that the BDB SQL interface is also built.
                    Be aware that it is not built by default. Instead, you
                    need to tell the Berkeley DB <code class="literal">configure</code>
                    script to also build the BDB SQL interface.  For instructions on
                    building the BDB SQL interface, see <a href="../installation/build_unix.html#build_unix_sqlinter" class="ol