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What is the default size of number datatype in Oracle?

32767 bytes Default and minimum size is 1 byte. NUMBER(p,s) Number having precision p and scale s. The precision p can range from 1 to 38. The scale s can range from -84 to 127.


Also to know is, what is the size of number datatype in Oracle?

Introduction to Oracle NUMBER data type It ranges from 1 to 38. The scale is the number of digits to the right of the decimal point in a number. It ranges from -84 to 127.

One may also ask, how many bytes is number datatype in Oracle? Table 3-1 Internal Oracle Datatypes

Internal Oracle Datatype Maximum Internal Length Datatype Code
NUMBER 21 bytes 2
LONG 2^31-1 bytes (2 gigabytes) 8
ROWID 10 bytes 11
DATE 7 bytes 12

Subsequently, one may also ask, what is the default value for number datatype in Oracle?

For numeric types, the default is 0 , with the exception that for integer or floating-point types declared with the AUTO_INCREMENT attribute, the default is the next value in the sequence.

What is the default precision and scale for a number in Oracle?

The default precision is 38. s is the scale which is the number of decimal digits that will be stored to the right of the decimal point. The scale has a range from 0 to p (precision). The scale can be specified only if the precision is specified.


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