Sql Enhancements; Generating Hierarchical Results - Oracle Application Server 10.1.3.4 User Manual

Table D–4 (Cont.) Group Functions
Oracle Oracle Connect
Function Function
Max Max
Min Min
Sum Sum
Table D–5 Mathematical Functions
Oracle Oracle Connect
Function Function
Abs Abs
Ceil Ceil
Cos Cos
Exp Exp
Floor Floor
Ln Ln
Log Log
Mod Mod
Nvl Nvl
Power Power
Round Round
Sin Sin
Sqrt Sqrt
Tan Tan
Trunc Trunc

SQL Enhancements

You can incorporate the following SQL enhancements into the adapter interactions to
handle hierarchical data in IMS/DB.

Generating Hierarchical Results

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Accessing Hierarchical Data Using SQL
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Flattening Hierarchical Data Using SQL
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Generating Hierarchical Results
A hierarchical query nests a SELECT statement as one of the columns of the rowset
retrieved by a nested SELECT statement.
Use braces ({}) to delimit the nesting.
Usage Comment
Max(exp) Returns the maximum value of the expression exp
Min(exp) Returns the minimum value of the expression exp
Sum(exp) Returns the summation of the expression exp
Usage Comment
Abs(n) Returns the absolute value of n
Ceil(n) Returns n rounded up to the closest integer
Cos(n) Returns the cosine value of n
Exp(n) Returns the exponential value of n
Floor(n) Returns n rounded down to the closest integer
Ln(n) Returns the natural log value of n
Log(n) Returns the log value of n
Mod(n, m) Returns the integer value after dividing n by m
Nvl(exp1, exp2) Returns exp2 when exp1 is null
Power(n, m) Returns n to the power of m
Round(n, m) Returns n with the fractional part rounded to m digits
Sin(n) Returns the sine value of n
Sqrt(n) Returns the square root of n
Tan(n) Returns the tangent value of n
Trunc(n, m) Returns the absolute value of n
Supported SQL Syntax and SQL Enhancements D-3
SQL Enhancements