SQL and booleans, some trivia

Some trivia about SQL and booleans: SQL 1992 defines three values for a boolean: <truth value> ::= TRUE | FALSE | UNKNOWN True booleans aren't always supported, though. Here's the truth table of boolean support: SQL Dialect Supports booleans DB2 0 (use 1/0 instead) Derby true (you can safely use true/false) H2 true HSQLDB true … Continue reading SQL and booleans, some trivia