SQL · NULLs
SQL NULLs puzzles
41 SQL puzzles on nulls. Read the snippet, guess the output, then reveal the answer and why SQL behaves that way.
- #1382026-10-22
- #1372026-10-21
- #1362026-10-20
- #1342026-10-18
- #1262026-10-10
- #1242026-10-08
- #1182026-10-02
- #1142026-09-28
- #1132026-09-27
- #1122026-09-26
- #1102026-09-24
- #1022026-09-16
- #1002026-09-14
- #942026-09-08
- #902026-09-04
- #892026-09-03
- #882026-09-02
- #862026-08-31
- #782026-08-23
- #762026-08-21
- #702026-08-15
- #662026-08-11
- #652026-08-10
- #642026-08-09
- #622026-08-07
- #542026-07-30
- #522026-07-28
- #462026-07-22
- #422026-07-18
- #412026-07-17
- #402026-07-16
- #382026-07-14
- #302026-07-06
- #282026-07-04
- #222026-06-28
- #182026-06-24
- #172026-06-23
- #162026-06-22
- #142026-06-20
- #62026-06-12
- #42026-06-10