The GoldStandardAn independent Australian digital newspaper and school.Sunday 6 September · evening edition · closes 10pm AEST.
Text size
Sign inA$5 a month

SQL Easy · Lesson 9

NULL three-valued logic

Unknown is not false.

Lessons · SQL Easy · Lesson 9 of 10

NULL three-valued logic

Unknown is not false.

Illustration for the SQL course
Unknown is not false.
NULL three-valued logic · SQL Easy — The Gold Standard