OracleDB

https://www.tutorialspoint.com/plsql/plsql_data_types.htm

[ PL/SQL – Data Types ]

NUMBER(prec, scale)

: Fixed-point(고정 소수점) or Floating-point(부동 소수점) number with absolute value in range 1E-130 to (but not including) 1.0E126. A NUMBER variable can also represent 0