User contributions
- 13:50, 22 September 2014 (diff | hist) . . (+27) . . SQLZOO:SELECT from WORLD Tutorial (Q4 Added mention that SA is a continent.)
- 23:42, 15 September 2014 (diff | hist) . . (+36) . . More JOIN operations (Reworded Q15.)
- 23:22, 15 September 2014 (diff | hist) . . (+9) . . The JOIN operation (Q13 added link to CASE reference material.)
- 23:14, 15 September 2014 (diff | hist) . . (0) . . m The JOIN operation
- 23:12, 15 September 2014 (diff | hist) . . (-83) . . The JOIN operation (Reworded Q8.)
- 22:47, 15 September 2014 (diff | hist) . . (+12) . . SUM and COUNT (Reworded Q8.)
- 17:05, 15 September 2014 (diff | hist) . . (+46) . . SQLZOO:SELECT from WORLD Tutorial (Formatting changes to standardise the questions and help students with column names.)
