The NUMBER data type is by far the most common numeric data type you’ll encounter in the world of Oracle and PL/SQL programming. These are subtypes of the four core numeric types in the preceding list. You may encounter other numeric types, such as FLOAT, INTEGER, and DECIMAL. These data types are not explored in this article. These BINARY data types are highly specialized and are useful when you need to improve the performance of computation-intensive operations. BINARY_FLOAT and BINARY_DOUBLE: Single- and double-precision, IEEE-754, binary floating-point data types.This data type is not explored in this article. SIMPLE_INTEGER:The SIMPLE_INTEGER data type results in significantly shorter execution times for natively compiled code.You cannot store values of this type in tables it is a PL/SQL-specific data type. Arithmetic is performed with your hardware’s native machine instructions.
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