I have a simple hello world c++ program which links sqlite3.dll (64 bit version).
I have added sqlite3.h and sqlite3.dll correctly in the respective paths. The projects
So as explained in comments, you need to download the DEF file from binary package: https://www.sqlite.org/2015/sqlite-dll-win64-x64-3090100.zip
Then you need to add this to cl compilation command: /DEF:sqlite3.def
cl
/DEF:sqlite3.def
Now your DLL will have required entries in export table.