CREATE TABLE table_203_622 (id DECIMAL, "date" TEXT, "team" TEXT, "name" TEXT, "position" TEXT, "years in nba" DECIMAL, "notes" TEXT)

which player has the most years in the nba ?
SELECT "name" FROM table_203_622 ORDER BY "years in nba" DESC LIMIT 1
SELECT "name" FROM "table_203_622" ORDER BY "years in nba" DESC NULLS LAST LIMIT 1