Scalar (scalar) data type
Scalar (scalar) data types do not have internal components, and they can be roughly grouped into the following four categories:
. Number
. Character
. Date/time
. Boolean
Table 1 shows the numeric data types, table 2
Rem converts strings to shaping data
function Tointeger (str,num)
Str=trim (str)
If str= "" or not IsNumeric (str) Then
Tointeger=num
Else
TOINTEGER=CLNG (str)
End If
End Function
Rem converts a string to a double-precision type of data
function
3.1 Basic data types
1. String type: Consists of Unicode characters, numbers, punctuation marks, no char character type in JavaScript, even if only one character, must be used
2 digit (number): does not distinguish between integral and
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The method of judging the prime number, starting from 2, all except itself and 1, can not be divisible, is the prime number.
Createor REPLACE
FUNCTION IsPrime (
Num in number)
Return BOOLEAN
Is
BEGIN
IF (num
return FALSE;
End IF;
For I in 2. (num-1)
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