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Concatendated Groupings

Question:
I do not understand the following even I read the explanation in the textbook, anyone can help?
SELECT department_id, job_id, manager_id, SUM(salary)
FROM employees
GROUP BY department_id
ROLLUP(job_id)
CUBE(manager_id)
Solution:
Check whether the below link helps
http://psoug.org/reference/rollup.html

What database rule does this violate

Question:
If you have a table and add columns such as:
employeeName, CompanyName, Departname, CityName…
which normal form or rule is being violated?  The above is basically creating one mammoth table to hold values, even if the column doesn’t apply to the record.
Solution:
>> employeeName, CompanyName, Departname, CityName
* Several employees can be from a single Company and hence Company [...]

how to put total for page footer in crystal reports

Question:
I have designed a report in crystal report 8.5. report is in 3 pages. there is a amount field. I want to have a total of that at the end of the page. how do I do that
Solution:
You need to total for that page
In the page header add a formula
WhilePrintingRecords;
Global NumberVar  pageTotal;
pageTotal := 0;

In the [...]

How to share data at main report and sub report, Crystal Report 10?

Question:
Hi, Experts
I would like to share some information located at main report with sub report. For example, in main report have quantity, so in my sub report the quantity will be used for some calculation.
How can it be share in sub report or any other ways for me to get the quantity data?
Thank you in [...]

LDAP Athentication Oracle Apex

Question:
Hi guys,
I have a serious problem with Apex LDAP Authentication.
I have surfed the internet to know sth about LDAP and now i think  my dn string should be like this:
cn=adminapex,cn=users,dc=apc,dc=info
But when i want to run the attached query to check if it’s connect successfully to LDAP or not,I faced this error massage.
<b>
Error report:
ORA-31202: DBMS_LDAP: LDAP [...]

Mysql Auto Increment – still cant get it

Question:
Name
Jason
Jason
karl
karl
karl
greg
could someone give me help with the query for finding this
Name         AutoInc
Jason         1
Jason         2
Jason         3
karl             1
karl             2
greg           1
Thanks
My code so far is as follows,
I need to concat surname+firstname as ‘CAT’
And then give a count to all the duplicate ‘CAT’ feilds (so i can eventually only choose the one with the most info attatched to it.)
Then [...]

Add auto increment column to SQL select statement?

Question:
The code gives me a total of calls for each month. All I want to do is create a column called “Order” that will auto increment for every result returned.
e.g.
Order   |    Month   |    Open_Calls
—————————————-
0      | Aug 2009 |      2000
1      | Sep 2009 |       1700
2      | Oct 2009 |        1800
etc.
Code Snippet:
SELECT
SUBSTRING(CONVERT(varchar(12),CAST(CONVERT(varchar(6),MY.MonthYear,112) + ‘01′ AS datetime)-1, 113),4,8) [...]

Crystal Report Load Report Failed

Question:
i put our code on our windows server 2003  , IIS6
the crystal report works couple of times and the we have the error load report failed
olease see attached image
here is the code
private void LoadLibrary()
{
try
{
CrystalDecisions.Shared.ConnectionInfo connectionInfo = new CrystalDecisions.Shared.ConnectionInfo();
connectionInfo.DatabaseName = “x”;
connectionInfo.ServerName = “y”;
connectionInfo.UserID = “z”;
connectionInfo.Password = “a”;
CrystalDecisions.CrystalReports.Engine.ReportDocument crdProgressTarget = new CrystalDecisions.CrystalReports.Engine.ReportDocument();
string FileName;
FileName = Server.MapPath(“Reports/rAsset.rpt”);//””
Random MyRandomNumber = [...]

Trying to connect with mysql client to mysql server on another machine

Question:
I’m running mysql on a windows 7 virtual machine and I’m trying to connect with the mysql client from an ubuntu 8.0.4 instance. I just installed the mysql client on ubuntu. When I try to run mysql from the command line, I get the message:
ERROR 2002 (HY000): Can’t connect to local MySQL server through socket [...]

How to obfuscate table , schema details

Question:
Hi,
I know we can use oracle obfuscation kit to encrypt pl/sql code or actual data stored in database table but I would like to know if we can obfuscate oracle database schema, table structure.
I would like to know how we can obfuscate table name, column name in Oracle database. Please help me understand how this [...]