関係代数

かんけいだいすう

noun

relation algebra(mathematics)

relational algebra(computer term)

関	connection, barrier, gateway, involve, concerning
係	person in charge, connection, duty, concern oneself
代	substitute, change, convert, replace, period, age, counter for decades of ages, eras, etc., generation, charge, rate, fee
数	number, strength, fate, law, figures