What is the number datatype in Oracle?
What is the number datatype in Oracle?
The Oracle NUMBER data type is used to store numeric values that can be negative or positive. The following illustrates the syntax of the NUMBER data type: NUMBER[(precision [, scale])] The Oracle NUMBER data type has precision and scale. The precision is the number of digits in a number.
What is the meaning of number 10 2 in SQL?
If the scale is negative, the actual data is rounded to the specified number of places to the left of the decimal point. For example, a specification of (10,-2) means to round to hundreds.
What is precision in Oracle number format?
Oracle guarantees the portability of numbers with precision of up to 20 base-100 digits, which is equivalent to 39 or 40 decimal digits depending on the position of the decimal point. s is the scale, or the number of digits from the decimal point to the least significant digit. The scale can range from -84 to 127.
Which is a number data type?
Numeric data types are numbers stored in database columns. These data types are typically grouped by: Exact numeric types, values where the precision and scale need to be preserved. The exact numeric types are INTEGER , BIGINT , DECIMAL , NUMERIC , NUMBER , and MONEY .
What is meant by a decimal 5 2 )?
Weight Decimal (5,2) means the total number of digits cannot exceed 5 and 2 digits can be placed to the right of the decimal. However, the value 1000.45 in the second line of code above exceeds the specified range of (5, 2) since it means 6 digits in total and throws an overflow error.
What is the decimal for 10 2?
The answer would be 0.01 .
What is number data type?
What is precise number?
Precision Definition Precision is a number that shows an amount of the information digits and it expresses the value of the number. For Example- The appropriate value of pi is 3.14 and its accurate approximation. But the precision digit is 3.199 which is less than the exact digit.