* sequence
  - [X] build program
  - [X] build under codeql control -> codeql db
    /Users/hohn/2025-05-21/codeqlworkshop/codeql-c-sqli/cpp-sqli-35d4c80
  - [X] write / use query (db + query -> codeql -> sarif)
  - [X] view sarif

  - [ ] follow up:
    + [ ] classes of vulnerabilities