Integer is a whole number from -2^31 (-2,147,483,648) through 2^31 - 1 (2,147,483,647). Integer Has a length of 4 bytes
, where numeric is Fixed precision and scale data from -10^38 +1 through 10^38 - 1 and length depends on precision and scale. Numeric or decimal used for amounts, currency. You can set numeric and decimal to different size using cast and convert functions. You also may round this data type.
Integer is a whole number, used for numeric fields like refference number, code, record number etc.