Comment by sker

    SQL (4.03%)
    Lines changed on GitHub: 1,347
    Tagged on StackOverflow: 363,595

It doesn't have that many lines on GH when you label it as SQL, but compare that to PL/SQL:

    PLSQL (0.16%)
    Lines changed on GitHub: 3,561,189
    Tagged on StackOverflow: 14,488