How to use case for this query.

I have this table name Employee.
columns..
EmpId,
EmpType,
Joining date,
Resigning date
Now in EmpType either it can be 'P' OR 'C'
so i want to check if the EmpTYpe is 'P' then joiningdate should not be null
and if the EmpType is 'C' then Resigning date should not be null.
Then only want those records from employee.
Please help.

978172 wrote:
I have this table name Employee.
columns..
EmpId,
EmpType,
Joining date,
Resigning date
Now in EmpType either it can be 'P' OR 'C'
so i want to check if the EmpTYpe is 'P' then joiningdate should not be null
and if the EmpType is 'C' then Resigning date should not be null.
Then only want those records from employee.
Please help.
-- EmpId, EmpType, Joining date, Resigning date
select * from Employee
where (EmpType = 'P' and JoiningDate IS NULL) OR (EmpType = 'C' and ResigningDate IS NULL);

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How to use to_date for this case?

Hi,
I bind parameters in java code.
The param type in java is Timestamp and the data type in table is date.
Here is the sql section printted in log:
2004-08-01 10:00:00.0 <= table.datetime
Why there is a ".0" after second?
And how to use to_date to convert "2004-08-01 10:00:00.0"?
Thanks!

Hi,
Here are a few possibilities
SQL> select cast(timestamp '2004-08-01 10:00:00.0' as date) from dual;
CAST(TIMESTAMP'2004
2004-08-01 10:00:00
SQL> select to_date('2004-08-01 10:00:00.0','YYYY-MM-DD HH24:MI:SS".0"') from dual;
TO_DATE('2004-08-01
2004-08-01 10:00:00
SQL> select to_date(substr('2004-08-01 10:00:00.0',1,19), 'YYYY-MM-DD HH24:MI:SS') from dual;
TO_DATE(SUBSTR('200
2004-08-01 10:00:00

How to use decode for this

Hi All
I have one table called agreementproductkey and some columns namely Agreementproductid, keytext, fliename etc.
There is some condition if agreement product id in not null and keytext field and fileaname field is null then i need to display the value as "NO FILE"
This what i tried
select decode(keytext || ' | ' || filename,null,'No File',keytext || filename) display_value, id return_value
from agreementproductkey
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Thanks & Regards
Srikkanth.M

Hi Srikkanth,
In the decode part, you have concatenated keytext and filename using '|' due to which it will never evaluate to null, and hence 'NOFILE' will never be displayed. CASE is a better option instead of DECODE.
SQL> CREATE TABLE t (agreementid NUMBER, keytext VARCHAR2(10), filename VARCHAR2(10));
Table created
SQL> INSERT INTO t VALUES (123, 'ABC', 'ABCFile');
1 row inserted
SQL> INSERT INTO t VALUES (123, NULL, 'XYZFile');
1 row inserted
SQL> INSERT INTO t VALUES (123, 'PQR', NULL);
1 row inserted
SQL> INSERT INTO t VALUES (123, NULL, NULL);
1 row inserted
SQL> SELECT agreementid, keytext, filename,
2         DECODE(agreementid, NULL, 'AGREEMENT NULL', DECODE(keytext || filename, NULL, 'NO FILE', 'FILE PRESENT'))
3    FROM t;
AGREEMENTID KEYTEXT    FILENAME   DECODE(AGREEMENTID,NULL,'AGREE
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        123            XYZFile    FILE PRESENT
        123 PQR                   FILE PRESENT
        123                       NO FILE
SQL> Regards
Ameya

How to use REGEXP_REPLACE for this scenario?

Oracle 10G Enterprise edition
Hi all,
Is it possible to use REGEXP_REPLACE for multiple replaces for the give text?
For eg.
select replace(replace('My oracle','o','O'),'M','m') from dual
my Oracle
Can we do this in a single regular expresion replace or suggest me any ideas?
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R

This could be a solution
Processing ...
select s as string
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          model
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               measures (string as s,src,dst)
               rules (
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where idx = 1
Query finished, retrieving results...
         STRING
BBB a sample string AAA Bye Alessandro

How do I use count for this query?

How do I display all the addresses in a table that have more than one (or >1) account number? I wasn't sure how or if I should use count along with group by and having to get the expected results.

select address from tablename
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How to use MERGE for this scenario?

I am using oracle 10G and i need a help on using MERGE statement based on a condition.
I have no values in table test_tab. So the below MERGE should insert the value, but it is not inserting the record. Please corret me if anything wrong with the below Query.
MERGE INTO test_tab t
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   WHEN MATCHED THEN
      UPDATE
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   WHEN NOT MATCHED THEN
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MERGE INTO test_tab t
   USING test_tab s
   on (t.no = 1 )
   WHEN MATCHED THEN
      UPDATE
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How to write SQL for this query

Hi, All
I have table which sample data are shown below
CLM_NO. CLM_RUN PARTY PAY_CD
2006213103246      2006085483      PA010193 3CO11
2006213103246      2006085483 PA010193 3CO17
2006213103246      0000000000 PA084113 2CO11
2006213103246      0000000000 PA000001 2RK11
2006213103246      0000000000 PA082822 3CO11
2006213103270      0000000000 PA000001 2RK11
2006213103270      0000000000 PA032456 3CO11
for each clm_no , if data only have zero the report must show pay_cd minimum value(2RK11) but when clm_run have both zero and nonzero data the report will show minimum pay_cd of record that have clm_run nonzero data(3CO11)
Thank you
Mcka

Hi Mcka
Based on the example you have provided, we should have only the following two rows in the final result:
CLM_NO. CLM_RUN PARTY PAY_CD
2006213103246 2006085483 PA010193 3CO11
2006213103270 0000000000 PA000001 2RK11
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The second line is displayed because both rows have a zero CLM_RUN and we need to display the row which has the lowest PAY_CD.
If this understanding sounds right to you then you need to create the following condition:
RANK() OVER(PARTITION BY CLM_NO ORDER BY CLM_RUN DESC, PAY_CD ASC) = 1
Can you follow what this is doing?
Basically, for each CLM_NO, identified by the clause PARTITION BY CLM_NO, we are ranking the combination of CLM_RUN and PAY_CD where the CLM_RUN is sorted in high to low order and the PAY_CD is sorted in low to high order. This will cause Discoverer to allocate an ascending range of numbers starting with 1, where 1 corresponds to the row you are looking for. If we create a condition such that this whole expression equals 1 then we must display only the rows that you want, with one row being displayed per CLM_NO.
Note: This works so long as the same CLM_NO cannot have two or more different CLM_RUN numbers where one of the higher CLM_RUNs has a lower PAY_CD than the other non-zero CLM_RUNs.
It also makes the assumption that for a given non-zero CLM_RUN there will not be two or more identical PAY_CDs. If this condition can exist then you could exclude duplicate values from the report. If you have never done this there is a checkbox called Hide Duplicate Rows on the Layout tab of the Edit Worksheet Dialog box.
Best wishes
Michael

How to use parathesis for OR and AND OPERATOR...

oracle 10g
Hi
Guys please help how to use parathesis for this below query its giving same output values for all my similar queries
select count(balance) from balanace_tb
where kk_code in(111,112,113)
or
kk_code in(111,1124,115,116) and sec_id in(50,51,52,53)
or
kk_code in(100,164,215,161) and sec_id in(53,51,52,59)
or
kk_code not in(100,164,215,162,134) and sec_id in(53,51,52,59)
or
kk_code in(100,164,215,16) and sec_id in(53,51,52,59)
and
open_date=20130331

I assume you're looking for something like this?
select count(balance) from balanace_tb
where (   kk_code in(111,112,113)
       or (kk_code in(111,1124,115,116) and sec_id in(50,51,52,53))
       or (kk_code in(100,164,215,161) and sec_id in(53,51,52,59))
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       or (kk_code in(100,164,215,16) and sec_id in(53,51,52,59))
and open_date=20130331
If not, please post some example data, the expected output from that data, and the logic you are expecting to use, as well as posting your database version.
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How to use the same POWL query for multiple users

Hello,
I have defined a POWL query which executes properly. But if I map the same POWL query to 2 portal users and the 2 portal users try to access the same page simultaneously then it gives an error message to one of the users that
"Query 'ABC' is already open in another session."
where 'ABC' is the query name.
Can you please tell me how to use the same POWL query for multiple users ?
A fast reply would be highly appreciated.
Thanks and Regards,
Sandhya

Batch processing usually involves using actions you have recorded. In Action you can insert Path that can be used during processing documents. Path have some size so you may want to only process document that have the same size. Look in the Actions Palette fly-out menu for insert path. It inserts|records the current document work path into the action being worked on and when the action is played it inserts the path into the document as the current work path..

Use case for financial data

Hi All,
I've a question about potential use case for Oracle spatial. Data structures are following:
Clients
Account (have a dimension of balance, can be zero or above zero)
Client to account relationship
E.g.
Client C1 is a borrower to Account A1 (balance = 0)
Client C1 is a co borrower to Account A2 (balance > 0)
Client C2 is a co borrower to Account A1 (balance > 0)
Client C3 is a co borrower to Account A3 (balance > 0)
Currently, database is modeled as a set of three tables, e.g.
Client
ID
DATA
Account
ID
DATA
BALANCE
CLIENT_TO_ACCOUNT
CLIENT_ID
RELATIONSHIP (E.g borrower)
ACCOUNT_ID
Business limitations:
We are not interested in independent graphs for which all accounts have balance = 0 (let's call it inactive graph), however we might need occasionally query it
Users are interested in vertices/edges with account which have balance = 0, but linked (up to level N) to active account for analysis purposes
There is no well defined root (e.g. there can be 2 or more clients which are co borrowers to same account)
99% of queries will be against active graphs
Graphs are mutable, e.g. new relationships (edges) may be created/deleted during the day
Users are potentially interested in free navigation in whole independent graph, starting from root.
Root is determined by certain business rule
Need to process active graphs daily as bulk
Problems which I am trying to solve:
Limit the amount of data which may need to be processed - based on the analysis of current system, we only need 5% of data + some delta for 99% processing
Make sure performance does not degrade with time as we get more historical (processed data) - we can not deleted accounts with balance = 0 as potentially new relationship may arrive with new accounts with balance > 0
Current solution that I am thinking of :
Artificially partition the data universe as active and inactive graphs. All indexes would be local to two partitions.
E.g.
GROUP
GROUP_ID PK
ACTIVE_FLAG (partition key)
CLIENT
GROUP_ID (PARTITION BY FK TO GROUP)
ACCOUT
GROUP_ID (PARTITION BY FK TO GROUP)
CLIENT_TO_ACCOUNT
GROUP_ID (PARTITION BY FK TO GROUP)
The issues I am seeing right now:
1. Graphs(groups) may be potentially unlimited, so I will need a artificially limit the size using some dividing algorithms - leading to
2. Graphs(groups) may need to be joined or divided
3. Graphs(groups) will have to be activated/deactivated - e.g. moved to different partitions.
4. Data loading, activation/deactivation algorithms are not simple
So I am thinking about Oracle Spatial (Network) to model this problem.
Questions:
1) Can I model this problem using Oracle Spatial?
2) Will I gain any performance improvement?
3) Is there any explanation or white paper on how to do this for this particular type of problem?
4) Will the solution based on Oracle Spatial solve the problems outlined above?
5) Will my solution (without using Oracle spatial) work at all? Or there are some fundamental issues..
Thanks you!

Either add a LOV to the JobID attribute definition in the VO (if the JobID will be editable) or simply add the job description to the select statement (join to the job table) as a reference attribute

How to use case when function to calculate time ?

Dear All,
May i know how to use case when function to calculate the time ?
for the example , if the First_EP_scan_time is 12.30, then must minus 30 min.
CASE WHEN FIRSTSCAN.EP_SHIFT <> 'R1' AND FIRSTSCAN.EP_SHIFT <> 'R2'
THEN ROUND(CAST((DATEDIFF(MINUTE,CAST(STUFF(STUFF((CASE WHEN SHIFTCAL.EP_SHIFT = 'N1'
THEN CONVERT(VARCHAR(8),DATEADD(DAY,+1,LEFT(FIRSTSCAN.EP_SCAN_DATE ,8)),112) + ' ' + REPLACE(CONVERT(VARCHAR(8),DATEADD(HOUR,+0,SHIFTDESC.EP_SHIFT_TIMETO + ':00'),108),':','')
ELSE LEFT(FIRSTSCAN.EP_SCAN_DATE ,8) + ' ' + REPLACE(CONVERT(VARCHAR(8),DATEADD(HOUR,+0,SHIFTDESC.EP_SHIFT_TIMETO + ':00'),108),':','') END),12,0,':'),15,0,':') AS DATETIME),CAST(STUFF(STUFF(LASTSCAN.EP_SCAN_DATE,12,0,':'),15,0,':') AS DATETIME)) / 60.0 - 0.25) AS FLOAT),2)
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Do not use computations in a declarative language. This is SQL and not COBOL.
Use a table of time slots set to one more decimal second of precision than your data. You can now use temporal math to add it to a DATE to TIME(1) get a full DATETIME2(0). Here is the basic skeleton.
CREATE TABLE Timeslots
(slot_start_time TIME(1) NOT NULL PRIMARY KEY,
slot_end_time TIME(1) NOT NULL,
CHECK (start_time < end_time));
INSERT INTO Timeslots --15 min intervals
VALUES ('00:00:00.0', '00:14:59.9'),
('00:15:00.0', '00:29:59.9'),
('00:30:00.0', '00:44:59.9'),
('00:45:00.0', '01:00:59.9'),
('23:45:00.0', '23:59:59.9');
Here is the basic query for rounding down to a time slot.
SELECT CAST (@in_timestamp AS DATE), T.start_time
FROM Timeslots AS T
WHERE CAST (@in_timestamp AS TIME)
BETWEEN T.slot_start_time
AND T.slot_end_time;
--CELKO-- Books in Celko Series for Morgan-Kaufmann Publishing: Analytics and OLAP in SQL / Data and Databases: Concepts in Practice Data / Measurements and Standards in SQL SQL for Smarties / SQL Programming Style / SQL Puzzles and Answers / Thinking
in Sets / Trees and Hierarchies in SQL

How to use i for if condition in a for i in loop?

Hi friends,
I have a question on how to use i for IF condition in a loop, in order to get an efficient programming and results. Here is outlined SQL:
cursor is
select c1,c2,c3 from table1; -- 100 rows returned.
open cursor
loop
fetch c1,c2,c3 into v1,v2,v3;
for i in 1..3 loop
if 'v'||i between 90 and 100 then
v_grade := 'Excellent';
elsif 'v'||i between 80 and 89 then
elsif 'v'||i between 50 and 59 then
end if;
end loop;
close cursor;
This way, I don't need to use a lot of if..then for hard code v1,v2,v3,.... actually I have more v..
But Oracle gave an error of this usage of 'if 'v'||i' or 'v'||to_char(i).
Thanks for any advice in advance!

user508774 wrote:
Thanks for comments and advices. But I didn't get your inputs clearly. Are you saying I don't need to use PL/SQL to achieve this?Correct. Ronel and John showed you the basic approaches. SQL is not a mere I/O language for making read and write calls. It is a very capable, flexible and powerful language. One can solve a problem with a few lines of SQL code, that will take 100's of lines of PL/SQL or Java code.
So do not underestimate what can be done in SQL.
v_cmd := 'UPDATE parts_categ_counts SET w1='||v1||', w2='||v2||...||v9||' WHERE seq='||vseq||';
EXECUTE IMMEDIATE v_cmd;This code is also wrong. Besides the fact that there is no need for dynamic SQL, this approach creates a brand new SQL statement each loop iteration.
SQL is source code. It needs to be parsed (compiled). The end result is an executable program that is called a cursor. This cursor needs to be stored in server memory (the SQL Shared Pool in the SGA).
The problem with your code is that it is slow and expensive - it generates lots of unique SQL statements that need CPU for parsing and server memory for storage.
These add up to a very significant performance overhead. That is the wrong approach. The correct approach is the same one that you would use in any other programming language.
Let's say you need to use Java to process a bunch of CSV files - exact same CSV layout used by each file. A file needs to be read, processed, and a log file created.
Will you write a Java program that loops through the files, for each file found, write a Java program for processing that file, compile it, then execute it?
Or would you write a Java program that takes the name of the file as input, and then process that file and writes the log file?
The 2nd approach provides a program that can process any of those CSV files - one simply needs to pass the filename as an input parameter.
Your code and approach use the 1st method. Not the 2nd. And that is why it is wrong.
To create a SQL program with parameters is done by using bind variables. Instead of
v_cmd := 'UPDATE parts_categ_counts SET w1='||v1||', w2='||v2||...||v9||' WHERE seq='||vseq||';
The following SQL source code should be created:
v_cmd := 'UPDATE parts_categ_counts SET w1=:v1, w2=:v2 ..., w9=:v9 WHERE seq= :vseq';
The tokens with the colon prefix (such as :v1), are bind variables. Think of these as the parameters to the SQL cursor.
The server parses this SQL into a cursor. You can now execute the same cursor over and over again, using different bind variables. (just like the 2nd approach above that one would use in Java)
In PL/SQL, this is made even easier as you can code native SQL code with PL/SQL code and use PL/SQL variables in it. The PL/SQL compiler is clever enough to do the SQL parsing, variable binding, and cursor execution for you. So in PL/SQL, you would use:
UPDATE parts_categ_counts SET w1=v1, w2=v2 ..., w9=v9 WHERE seq= vseq;
Where v1 and the others are PL/SQL variables.
That all said - PL/SQL is only used for data crunching, when the processing of data is too complex for the SQL language to deal with. And this is very seldom the case.
The main reason for using PL/SQL it to provide processing flow control, conditional processing and error handling, for SQL code. As the SQL language does not have these features.

Is there a way to create a plan guide for this query?

How can i create a plan guide for this query，suppose i can't change the query text:
USE AdventureWorks2008R2;
GO
SET NOCOUNT ON;
GO
-- query plan statement starts
DECLARE @Group nvarchar(50), @Sales money;
SET @Group = N'North America';
SET @Sales = 2000000;
SET NOCOUNT OFF;
SELECT FirstName, LastName, SalesYTD
FROM Sales.vSalesPerson
WHERE TerritoryGroup = @Group and SalesYTD >= @Sales;
-- query plan statement ends
AdventureWorks2008R2's parameterization option is simple, i want this type of query can reuse plan:
DECLARE @Group nvarchar(50), @Sales money;
SET @Group = N'Other Country';
SET @Sales = 88;
SET NOCOUNT OFF;
SELECT FirstName, LastName, SalesYTD
FROM Sales.vSalesPerson
WHERE TerritoryGroup = @Group and SalesYTD >= @Sales;
I tried many times ,but it didn't work:
declare @xml nvarchar(max) -- the plan i want to reuse
set @xml = (select cast (query_plan as nvarchar(max))
from sys.dm_exec_query_plan (0x060006001464570B405D92620200000001000000000000000000000000000000000000000000000000000000))
-- create plan guide
exec sp_create_plan_guide
@name ='Test'
,@stmt=N'SELECT FirstName, LastName, SalesYTD
FROM Sales.vSalesPerson
WHERE TerritoryGroup = @Group and SalesYTD >= @Sales;'
,@type =N'sql'
,@params =N'@Group nvarchar(50), @Sales money'
,@hints = @xml;
Thanks.

I guess you don't wanna fire these queries "adhoc" but prepared instead to reuse the plan:
exec sp_executesql N'SELECT FirstName, LastName, SalesYTD FROM Sales.vSalesPerson WHERE TerritoryGroup = @Group and SalesYTD >= @Sales',
N'@Group nvarchar(50), @Sales money', N'Other Country',88
exec sp_executesql N'SELECT FirstName, LastName, SalesYTD FROM Sales.vSalesPerson WHERE TerritoryGroup = @Group and SalesYTD >= @Sales',
N'@Group nvarchar(50), @Sales money', N'North America',2000000
Bodo Michael Danitz - MCT, MCITP - free consultant - performance specialist - www.sql-server.de

Why doesn't SAP use SAPUI5 for this and that

This is my personal opinion about this topic! Again and again I stumble about this and now I want to share some of my thoughts about this topic. I want to share this from a point of view, when I was not a SAP Employee - I worked at a SAP Partner company - because this best reflects the view from the outside.
1. SAP "wants" us to use SAPUI5
I don't think that "wants" is the right word - the right word is offers! In terms of: hey now even included in your license and open sourced (because you wanted it so). Look - we build sooo many Fiori apps with it - and put in some great enterprise features (right to left, accessibility, translation, ...) and it is responsive. So if you want to build Fiori-like "apps" - there you go - this is your technology to go! This is what I understood.
I was very very very happy that it was build with open standards. But the main point for me another thing - (because I worked with Sybase Unwired Platform and SAP Mobile Platform) OMG an open data protocol!!! OData FTW! I could use ANY front-end technology and consume SAP data - the protocol is REST based - a dream came true. And so I did - yes I played around with Sencha Touch and OData, I used data.js and used it in a standard HTML5 application. We played around with an iOS application we already had and consumed the data. I feed the data into d3.js. I prototyped around with SAPUI5 and I have build apps with it. Brilliant, so I could choose whatever UI technology I wanted.
I always had the feeling, that SAPUI5 was meant for B2E applications - and building many of that - and they should look and feel the same and I can theme the apps. I can use it when I want to make my applications SAP like - so that the user thinks the apps are all the same and everything fits nicely into the Fiori launchpad - great if you want to build partner apps. In my ex company we won a SAP Pinnacle Award - for a native iOS app, no SAPUI5 in sight - but we have received an award, so SAP did not "want us" to use SAPUI5 ;-)
2. Is it the right UI technology for everything?
At my ex-company I was dealing with mobile applications and web apps. I always knew that I get the best user experience when I write a real native application and if you want it to look like in a very specific way with awesome UI --> you would not do it with a write-once-run-everywhere HTML5 super-styled wrapped (phone gap/cordova) app - you would write the apps for the specific platform and it should feel like it was written for the platform. SAP offered us the SAP Fiori Client that I could enhance the user experience for the Fiori apps, but I was never told to use SAPUI5 it for everything.
The same discussion goes on with: why was the new SAP website not build with SAPUI5, or the UX Explorer (eat your own dog food), or a useful internal app - why Angular, or the other way around why do we even use SAPUI5 and not Angular JS itself. Back to the past - SAP did never tell me to build a website with it, or to build something tiny and small with it (a widget) - or to enhance parts of a website with it - or to build something super-specific with it.
And yes maybe the UI in a mobile app was not SAPUI5 but do you know if it uses Gateway with OData or the SAP Mobile Platform, was the API managed with Apigee, was HCI involved in getting the data from different sources, was it maybe wrapped with SAP Mobile Secure, did it maybe use a HANA backend or some of its features (predictions, text analytics, ...) - are some backend parts maybe hosted on HCP - who knows? So yeah, maybe other SAP technology was involved which you don't see, but in the end it made your life simpler.
Instead of arguing around why this and that was used for this and that - can we save our energy and instead look at the result - which is all what counts - that it was the right UI technology with the right user interface which makes the user happy? I stated something like - does Google use AngularJS for everything? Nope. They offer us something great we can use. Right, maybe AngularJS is not as important for Google like SAPUI5 is for us. But we have something with which we can build our day-to-day business apps with and we do so.
3. We missed great opportunity in not using SAPUI5 for this and that
Let's think about how projects are going: you want something, you look at the costs, you choose most efficient option. Yes this could mean reusing an existing native application which was written long ago and you pimped it up. Or you had outsourced it to a company which wrote a similar app. Or you bought the source code. Or you have some cheap internal staff which could do it (students, trainee), or you could outsource it cheaply. Or all you have is people with experience in this and that technology. Or it must look in a very very specific way (because marketing says so) and you go native. Or it maybe should even differentiate itself and should look NOT like a Fiori app. And no - I don't think - this is my employees view - we are not for example an event app producer. We normally build business applications. And I don't think that we can write an app from scratch "just" for an event in a certain technology. Yes it would be nice if this and that would use SAPUI5, I think if it would be possible in terms of time and costs and UI wishes and hundreds of other factors we would do it with SAPUI5.
Working at the partner SAP showed me over 50 Fiori apps, now hundreds of Fiori apps are released. SAP now showed that SAPUI5 is going big with S/4HANA. We have seen the Simple Finance solution. I was walking around at the CeBIT this year and I was impressed myself which cool apps and screens have been shown with SAPUI5. I used the SAPUI5 app on a Samsung Smart Watch myself. The SAP Web IDE itself is built with SAPUI5 in its heart. I don't need any other "proves" that SAPUI5 is great. I have seen great use cases for it, but I also know myself when I would use other stuff.
4. My conclusion
There is never every anything which can cover all different use cases. One-size-fits-all clothes also does not fit for everyone even if it says so. If someone creates something great don't judge it by the UI technology. Judge it by the experience and the value it creates. There are reasons why this and that was chosen. Use what fits your needs best with your requirements. Make the end user happy!

Hey Denise,
Thanks for pulling this discussion into SCN. Makes it much easier to discuss compared to Twitter. But I also have to apologize in the beginning that my answer now exceeds 140 characters by 50 times.
Let me share my thoughts and personal opinion as well. I will try to look at it from a strategic point of view, as you – as the technical UI5 expert - have already covered the technical perspective.
SAP recommends using SAPUI5 where it fits to customers’ requirements
Let me begin with a clear statement from my perspective: It makes no sense that SAP takes customer decisions.
Of course, customers expect SAP to help them with their strategies and decisions and of course we are helping. But at the end, the decisions have to be taken by the customer who needs to take the specific conditions of the company into account. The most important condition in the context of UX is the end user. But we shouldn't forget the business strategy as the most important influence factor. I’m not saying that technical decisions are completely unimportant, but I would like to point out that other things are more important for a company.
As a result, it wouldn't make a lot of sense if SAP would just want every customer to use SAPUI5. To me, customers need recommendations leading to solutions that satisfy their needs and requirements.
There is not that one UI technology that serves all needs
This headline might be a challenging statement and I can already imagine reactions to it. But in fact I can confirm this sentence easily. You always have to combine different technologies. Some of them are from SAP others not. The selection and combination of these technologies is different from customer to customer because the requirements are different. There are still reasons to use Web Dynpro ABAP and I’m still recommending SAP NetWeaver Business Client, POWL (Power Lists), WDA Chips, FPM based on the given environment of the customer. And obviously there are also reasons for UI5.
SAP already proves the usage of SAPUI5
In general, I see two different use cases here: Developing custom applications vs. adopting applications from SAP.
In the one case, customers want recommendations on development environments and UI technologies that consider their development requirements and existing conditions (e.g. existing skills, given implementations). SAPUI5 is a great UI technology and there are some special aspects that make the decision obviously easy. If I want to create simple business applications that can be connected with my SAP system easily, especially in combination under responsive conditions on multiple devices and targeted for casual and/or occasional users UI5 might be the right choice for many. Exactly this pattern is what many customers are searching for these days. So, the recommendation for UI5 comes quite often.
Whether or not SAP proves the usage of SAPUI5 in their own world is to me more connected to the use case where customers want to adopt SAP applications. And in deed, SAP is using SAPUI5. There are hundreds of SAP Fiori applications that have been built with SAPUI5 and there have been a lot of other applications developed using SAPUI5, too. And again, there is a huge need for applications for casual and/or occasional users, so that’s a big reason for SAP to create such applications.
Websites vs. Business Applications
This discussion was triggered by some statements in twitter, that SAP sites such as sap.com, SAP UX Explorer or the latest mobile conference app are not developed using UI5. Actually I see these to be websites but not business applications. I have never told a customer to build a website in UI5 and I would continue to do so.
Maybe we need to discuss the difference between a website and a business application. I guess it is not easy to find a common understanding here, as the borderlines between several worlds have disappeared in the last years.
Some years ago it was more or less easy to differ between:
Native desktop applications running on a specific desktop OS
Native mobile applications running on a specific mobile OS
Browser-based applications running in specific browsers
Websites, basically running on many browsers
In the first three categories we saw business applications. 1 and 2 were selected especially when specific functions of the device and OS where needed to be accessed (for example the camera of the mobile device, the fast rendering capability of the desktop). 3 was also used for business applications but in most cases on desktop browsers.
Today, one can develop browser-based applications that look like native applications and even can access the devices like native applications. Responsive design breaks the borderlines even more. Now, browser-based content can be rendered perfectly on a desktop browser as well as on a mobile phone and a user might even not be able to judge whether it was originally intended to be developed for the one or the other.
So maybe there is no big difference anymore between websites and browser-based applications. But there is still a difference between browser-based applications and browser-based business applications, where additional requirements such as integration into business systems are drivers. Here I see SAPUI5 as a very cool UI technology.
That’s just my 2 (personal) cents,
JJ

How to use case function in where clause

Hi,
Suppose a table DEMO has columns
DEMO TABLE
user_id
user_name
location
In this table i have 15 users. but out of 15 users i want to use only 5 users for passing as user_name.
then how to achieve the result
1. when i pass the particular 5 user_name in where clause then i should get all the user_name and for other 10 users it will show only the passing user_name.
how to use case function

Do you mean this ?
SQL> var name varchar2(10)
SQL> exec :name := 'ALLEN'
PL/SQL procedure successfully completed.
SQL> select ename from emp where case when :name in ('SMITH','ALLEN') then ename
2 else :name end = ename;
ENAME
SMITH
ALLEN
WARD
JONES
MARTIN
BLAKE
CLARK
SCOTT
KING
TURNER
ADAMS
JAMES
FORD
MILLER
14 rows selected.
SQL> exec :name := 'SMITH'
PL/SQL procedure successfully completed.
SQL> select ename from emp where case when :name in ('SMITH','ALLEN') then ename
2 else :name end = ename;
ENAME
SMITH
ALLEN
WARD
JONES
MARTIN
BLAKE
CLARK
SCOTT
KING
TURNER
ADAMS
JAMES
FORD
MILLER
14 rows selected.
SQL> exec :name := 'BLAKE'
PL/SQL procedure successfully completed.
SQL> select ename from emp where case when :name in ('SMITH','ALLEN') then ename
2 else :name end = ename;
ENAME
BLAKERgds.

How to use case for this query.

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