PREHOOK: query: DESCRIBE FUNCTION rand
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION rand
POSTHOOK: type: DESCFUNCTION
rand([seed]) - Returns a pseudorandom number between 0 and 1
PREHOOK: query: DESCRIBE FUNCTION EXTENDED rand
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION EXTENDED rand
POSTHOOK: type: DESCFUNCTION
rand([seed]) - Returns a pseudorandom number between 0 and 1