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Posted to commits@trafodion.apache.org by db...@apache.org on 2018/04/26 18:38:43 UTC

[2/4] trafodion git commit: Incorporate Comments 1

Incorporate Comments 1


Project: http://git-wip-us.apache.org/repos/asf/trafodion/repo
Commit: http://git-wip-us.apache.org/repos/asf/trafodion/commit/a2f740b9
Tree: http://git-wip-us.apache.org/repos/asf/trafodion/tree/a2f740b9
Diff: http://git-wip-us.apache.org/repos/asf/trafodion/diff/a2f740b9

Branch: refs/heads/master
Commit: a2f740b996828b12972741b19b2292cf9a476883
Parents: 609cd5f
Author: liu.yu <qw...@hotmail.com>
Authored: Fri Apr 20 14:08:04 2018 +0800
Committer: liu.yu <qw...@hotmail.com>
Committed: Fri Apr 20 14:08:04 2018 +0800

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 .../_chapters/sql_functions_and_expressions.adoc   | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)
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http://git-wip-us.apache.org/repos/asf/trafodion/blob/a2f740b9/docs/sql_reference/src/asciidoc/_chapters/sql_functions_and_expressions.adoc
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diff --git a/docs/sql_reference/src/asciidoc/_chapters/sql_functions_and_expressions.adoc b/docs/sql_reference/src/asciidoc/_chapters/sql_functions_and_expressions.adoc
index 83afe9d..a12b983 100644
--- a/docs/sql_reference/src/asciidoc/_chapters/sql_functions_and_expressions.adoc
+++ b/docs/sql_reference/src/asciidoc/_chapters/sql_functions_and_expressions.adoc
@@ -9035,10 +9035,12 @@ WHERE UPSHIFT(D1.deptname) = UPSHIFT(D2.deptname);
 [[rand_function]]
 == RAND Function
 
-The RAND Function generates pseudo-random numbers that are uniformly distributed 
+The RAND function generates pseudo-random numbers that are uniformly distributed 
 in the range between 0 and 2^32^ (=4294967296), 
 using an integer as an optional seed value.
 
+NOTE: the RAND function does not always behaves in predictive ways.
+
 ```
 RAND ([numeric-expression])
 ```
@@ -9116,19 +9118,6 @@ SQL>SELECT POWER(RAND(1)*10,3) FROM DUAL;
 [[rand_function_example]]
 === Examples of RAND Function
 
-* This example returns random values using 0, 1, 10, 100 and 1000 as seed values.
-
-+
-```
-SQL>SELECT RAND(0), RAND(1), RAND(10), RAND(100), RAND(1000) FROM DUAL;
- 
-(EXPR)     (EXPR)     (EXPR)     (EXPR)     (EXPR)    
----------- ---------- ---------- ---------- ----------
-2147483647      16807     168070    1680700   16807000 
-
---- 1 row(s) selected.
-```
-
 * This example demostrates how to use the RAND function with built-in function (ABS function).
 
 +