Define the difference between float and double type.

Answer 1

float & double are data types in language of C programming & it is used in PL/SQL queries to retrieve, alter, update & modify the data from multiple tables & these data types are in the sequence int, float, char,and double(it is also called long data type) float data type store the floating point value which is 4 bytes memory allocation & double data type will store double the float value which is 8 bytes memory allocation used as long range values.

Answer 2

float use more memory in your RAM than a double variable.