Alignment of scrollbars and col headers in JScrollpane

Hi,
I'm implementing a table with its origin (0,0) in the lower left
corner, I therefore think it would be better to position the column
header at the bottom of my JScrollPane object while the horizontal
scrollbar should be placed on top.
Couldn't find out how to alter the alignment of these two components
within the JScrollPane and hope somebody can help me...
Thanks

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Aligning textfields, label, and scrollbars in a gridlayout

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Hi!
Have you considered to use a GridBagLayout ??? Check it out...
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To disable the horizontal scrollbar and to create a next button to navigate through the records. At present I create a JSF page and drag and drop my table view and then using the Tuning property I have limited the number of records to be shown. But I need to add a button and then code it to display the next few records. Can someone kindly suggest a suitable mechanism to get this accomplished.
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Hi Erp,
At present these are the entries that I have in my JSPX page.
I have a Table, Iterator and a Input List of Values. As per the scenario, I want a few rows to appear on the table for which I wanted to disable the horizontal scroll bar and then once I click on the list of values it must prompt me with the remaining page numbers.
Earlier there are about 150 records in the table. I want to show them as 15 per page.
For which I have added the Iterator and a LOV component code in my JSPX page.
<af:iterator id="i1"
value="#{bindings.NsEventDetailsView1.collectionModel}"
var="row"
binding="#{pageFlowScope.testPageBean.myIterator}"/>
<af:inputListOfValues label="Label 1"
popupTitle="Search and Result Dialog" id="ilov1"/>
Then I created the bean class as per the example.
Below is the bean class:
import javax.faces.event.ValueChangeEvent;
import oracle.adf.view.rich.context.AdfFacesContext;
import org.apache.myfaces.trinidad.component.UIXIterator;
import org.apache.myfaces.trinidad.event.AttributeChangeEvent;
public class TestPagebean {
public TestPagebean() {
public void i1ov1_valueChangeListener(ValueChangeEvent valueChangeEvent) {
// Add event code here...
private UIXIterator myiter;
public void setI1(UIXIterator myiter) {
this.myiter=myiter;
public UIXIterator getmyiter() {
this.myiter=myiter;
public UIXIterator setmyiter() {
return myiter;
UIXIterator valueIterator = getmyiter();
if (!valueChangeEvent.getNewValue().equals(valueChangeEvent.getOldValue())) {
int newPage =
Integer.parseInt(valueChangeEvent.getNewValue().toString());
int pageStart = (newPage) * valueIterator.getRows();
valueIterator.setFirst(pageStart);
AdfFacesContext.getCurrentInstance().addPartialTarget(valueIterator);
But i am getting errors in the bean class.
1. Block expecting }
2. public UIXIterator getmyiter() {
this.myiter=myiter;
Return Statement missing
3. Block expecting {
4. Type or variable 'valueChangeEvent' not found
5. Method 'getNewValue' not found
6. Method 'getOldValue' not found
7. Method 'toString' not found
Can you suggest a possible solution?

Using Scrollbars and also to disable individual element.

I need to display two dimensional array of checkboxes using Labview 7.1. The two dimensional array should have row headers and column headers.
Also the row headers and column headers are to be scrollable. I was able to make separate scrollable row and column header array.
But this the scrolling cannot be apllied on the two dimensional array of checkboxes. I tried but was able to make it one way only, that is scolling the row header array also scrolls the checkbox array row-wise but not column-wise.
There is another problem with the two D array of checkboxes. My application needs some of the checkboxes to be disabled and others enabled. Since array does not allow individual elements to be disabled , i cannot use array .
So please suggest how to go about this. I have attached a sample VI to explain .
Attachments:
Sample.vi ‏21 KB

Hi Hema,
Would it be acceptable for your application to use only one table, as shown in the attached idea.vi ?
Instead of booleans, you have can compute 0/1 value, no ?
Otherwise I don't know how to do...
When my feet touch the ground each morning the devil thinks "bloody hell... He's up again!"
Attachments:
idea.vi ‏10 KB

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Have done the font settings as well. The problem is I see uneven line cuts in the PDF as compared to HTMLEditor.
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I am trying to create a two dimensional datatable which has both column headers and row headers. using <h:datatable> i could create a datatable with only column headers.
Thanks in advance

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Adding Scrollbar and buttons to Dynamic Text

Hello,
I am trying to connect dynamic text to scrollbar and buttons. I did tutorial and Lynda.com and practically pasted the code in with my file names and for some reason it does not work. It says I have a "Access of Undefined Property mask_mc" Did I need to create a variable for this? I didn't in the tutorial.
Right now I have the dynamic text loading successfuly in 2 different places and I wantd to add the scrollbar. I put the variables on frame 1 code and then I put the actually load code on the frame where it is needed.
Any suggestions?
Thanks! Sandra
HERE IS CODE FOR FRAME 1:
var textLoader:URLLoader = new URLLoader();
var textReq:URLRequest;
var scrollPercent:Number = 0;
var minScroll:Number;
var maxScroll:Number;
var targetScroll:Number = philText_mc.y;
var easing:Number = 5;
var scrollAmt:Number = 15;
var scrollDirection:Number = 0;
HERE IS CODE FOR FRAME WHERE TEXT LOADS:
textReq = new URLRequest("text_philosophy.txt");
function philosophyTextLoaded(event:Event):void {
 philText_mc.philosophy_txt.text = textLoader.data;
 minScroll = philText_mc.y;
 maxScroll = minScroll - philText_mc.height + mask_mc.height;
function dragScroller(event:MouseEvent):void
 var dragX:Number = line_mc.x - scroller_mc.width/2 + 1;
 var dragY:Number = line_mc.y;
 var dragW:Number = 0;
 var dragH:Number = line_mc.height - scroller_mc.height;
 scroller_mc.startDrag(false, new Rectangle(dragX,dragY,dragW,dragH));
 stage.addEventListener(MouseEvent.MOUSE_UP, stopDragging);
 stage.addEventListener(Event.ENTER_FRAME, setScrollPercent);
 stage.removeEventListener(Event.ENTER_FRAME, scrollText);
function stopDragging(event:MouseEvent):void
 scroller_mc.stopDrag();
function setScrollPercent(event:Event):void
 scrollPercent = (scroller_mc.y - line_mc.y) / (line_mc.height - scroller_mc.height);
 if(scrollPercent < 0)
 scrollPercent = 0;
 else if(scrollPercent > 1)
 scrollPercent = 1;
 targetScroll = (scrollPercent * (maxScroll - minScroll)) + minScroll;
 philText_mc.y -= (philText_mc.y - targetScroll) / easing;
function scrollUp(event:MouseEvent):void
 setDirection(scrollAmt);
function scrollDown(event:MouseEvent):void
 setDirection(-scrollAmt);
function setDirection(dir:Number):void
 scrollDirection = dir;
 stage.addEventListener(Event.ENTER_FRAME, scrollText);
 stage.addEventListener(MouseEvent.MOUSE_UP, stopScrolling);
 stage.removeEventListener(Event.ENTER_FRAME, setScrollPercent);
function scrollText(event:Event):void
 targetScroll += scrollDirection;
 philText_mc.y -= (philText_mc.y - targetScroll) / easing;
 if(philText_mc.y > minScroll)
 philText_mc.y = minScroll;
 targetScroll = minScroll;
 else if(philText_mc.y < maxScroll)
 philText_mc.y = maxScroll;
 targetScroll = maxScroll;
 scrollPercent = (philText_mc.y - minScroll) / (maxScroll - minScroll);
 scroller_mc.y = (scrollPercent * (line_mc.height - scroller_mc.height)) + line_mc.y;
function stopScrolling(event:MouseEvent):void
 scrollDirection = 0;
textLoader.load(textReq);
scroller_mc.buttonMode = true;
philText_mc.external_txt.autoSize = TextFieldAutoSize.LEFT;
scroller_mc.addEventListener(MouseEvent.MOUSE_DOWN, dragScroller);
textLoader.addEventListener(Event.COMPLETE, philosophyTextLoaded);
up_btn.addEventListener(MouseEvent.MOUSE_DOWN, scrollUp);
down_btn.addEventListener(MouseEvent.MOUSE_DOWN, scrollDown);

Hello again,
Maybe I am asking this question wrong. Instead of making you try and figure out what's going on in my file what I really need to know is how you would take this code I am attaching and make it happen on another frame besides frame 1 and it doesn't appear on frame 1. I think this may help me understand a little better.
Also another way I was thinking to get around this would be to pull in an external swf into the spot where I want this text to go because I can make the scrollbars and external text work when it is the only thing going on in the movie. Would this be a bad way to set this up? and also SInce it is an external movie would I have maintimeline issues with mouse/scroller control?
thanks! sandra
Here is working code:
var textLoader:URLLoader = new URLLoader();
var textFile:URLRequest = new URLRequest("text/external.txt");
var scrollPercent:Number = 0;
var minScroll:Number;
var maxScroll:Number;
var targetScroll:Number = text_mc.y;
var easing:Number = 5;
var scrollAmt:Number = 15;
var scrollDirection:Number = 0;
function textLoaded(event:Event):void
 text_mc.external_txt.text = textLoader.data;
 minScroll = text_mc.y;
 maxScroll = minScroll - text_mc.height + mask_mc.height;
function dragScroller(event:MouseEvent):void
 var dragX:Number = line_mc.x - scroller_mc.width/2 + 1;
 var dragY:Number = line_mc.y;
 var dragW:Number = 0;
 var dragH:Number = line_mc.height - scroller_mc.height;
 scroller_mc.startDrag(false, new Rectangle(dragX,dragY,dragW,dragH));
 stage.addEventListener(MouseEvent.MOUSE_UP, stopDragging);
 stage.addEventListener(Event.ENTER_FRAME, setScrollPercent);
 stage.removeEventListener(Event.ENTER_FRAME, scrollText);
function stopDragging(event:MouseEvent):void
 scroller_mc.stopDrag();
function setScrollPercent(event:Event):void
 scrollPercent = (scroller_mc.y - line_mc.y) / (line_mc.height - scroller_mc.height);
 if(scrollPercent < 0)
 scrollPercent = 0;
 else if(scrollPercent > 1)
 scrollPercent = 1;
 targetScroll = (scrollPercent * (maxScroll - minScroll)) + minScroll;
 text_mc.y -= (text_mc.y - targetScroll) / easing;
function scrollUp(event:MouseEvent):void
 setDirection(scrollAmt);
function scrollDown(event:MouseEvent):void
 setDirection(-scrollAmt);
function setDirection(dir:Number):void
 scrollDirection = dir;
 stage.addEventListener(Event.ENTER_FRAME, scrollText);
 stage.addEventListener(MouseEvent.MOUSE_UP, stopScrolling);
 stage.removeEventListener(Event.ENTER_FRAME, setScrollPercent);
function scrollText(event:Event):void
 targetScroll += scrollDirection;
 text_mc.y -= (text_mc.y - targetScroll) / easing;
 if(text_mc.y > minScroll)
 text_mc.y = minScroll;
 targetScroll = minScroll;
 else if(text_mc.y < maxScroll)
 text_mc.y = maxScroll;
 targetScroll = maxScroll;
 scrollPercent = (text_mc.y - minScroll) / (maxScroll - minScroll);
 scroller_mc.y = (scrollPercent * (line_mc.height - scroller_mc.height)) + line_mc.y;
function stopScrolling(event:MouseEvent):void
 scrollDirection = 0;
textLoader.load(textFile);
scroller_mc.buttonMode = true;
text_mc.external_txt.autoSize = TextFieldAutoSize.LEFT;
scroller_mc.addEventListener(MouseEvent.MOUSE_DOWN, dragScroller);
textLoader.addEventListener(Event.COMPLETE, textLoaded);
up_btn.addEventListener(MouseEvent.MOUSE_DOWN, scrollUp);
down_btn.addEventListener(MouseEvent.MOUSE_DOWN, scrollDown);

Display of Row and Column Headers in NW2004s Bex Analyzer

Hi all,
when I open a query with the NW2004s Bex Analyzer (Excel)Frontend Row and Column Headers are not visible. I need to go to "Tools-Options" and check the box for "Row and Column Headers" which seems to be unchecked by default.
Is there a possibility to make the Row and Column Headers visible by default when I open a query so that I don't have to use Tools-Options every time.
Thanks
Alex

This is fixed with SP8. The default template doesn't have this specified in SP7. It's a very easy fix. Just specify that the column headers are specified by default. Then save this new workbook as the global workbook template such that all queries use this new template. You can customize this standard template however you like!

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SQL Tuning and OPTIMIZER - Execution Time with " AND col .."

Hi all,
I get a question about SQL Tuning and OPTIMIZER.
There are three samples with EXPLAIN PLAN and execution time.
This "tw_pkg.getMaxAktion" is a PLSQL Package.
1.) Execution Time : 0.25 Second
2.) Execution Time : 0.59 Second
3.) Execution Time : 1.11 Second
The only difference is some additional "AND col <> .."
Why is this execution time growing so strong?
Many Thanks,
Thomas
----[First example]---
Connected to Oracle Database 10g Enterprise Edition Release 10.2.0.3.0
Connected as dbadmin2
SQL>
SQL> EXPLAIN PLAN FOR
2 SELECT * FROM ( SELECT studie_id, tw_pkg.getMaxAktion(studie_id) AS max_aktion_id
3 FROM studie
4 ) max_aktion
5 WHERE max_aktion.max_aktion_id < 900 ;
Explained
SQL> SELECT * FROM TABLE(dbms_xplan.display);
PLAN_TABLE_OUTPUT
Plan hash value: 3201460684
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time
| 0 | SELECT STATEMENT | | 220 | 880 | 5 (40)| 00:00:
|* 1 | INDEX FAST FULL SCAN| SYS_C005393 | 220 | 880 | 5 (40)| 00:00:
Predicate Information (identified by operation id):
 1 - filter("TW_PKG"."GETMAXAKTION"("STUDIE_ID")<900)
13 rows selected
SQL>
Execution time (PL/SQL Developer says): 0.25 seconds
----[/First]---
----[Second example]---
Connected to Oracle Database 10g Enterprise Edition Release 10.2.0.3.0
Connected as dbadmin2
SQL>
SQL> EXPLAIN PLAN FOR
2 SELECT * FROM ( SELECT studie_id, tw_pkg.getMaxAktion(studie_id) AS max_aktion_id
3 FROM studie
4 ) max_aktion
5 WHERE max_aktion.max_aktion_id < 900
6 AND max_aktion.max_aktion_id <> 692;
Explained
SQL> SELECT * FROM TABLE(dbms_xplan.display);
PLAN_TABLE_OUTPUT
Plan hash value: 3201460684
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time
| 0 | SELECT STATEMENT | | 11 | 44 | 6 (50)| 00:00:
|* 1 | INDEX FAST FULL SCAN| SYS_C005393 | 11 | 44 | 6 (50)| 00:00:
Predicate Information (identified by operation id):
 1 - filter("TW_PKG"."GETMAXAKTION"("STUDIE_ID")<900 AND
 "TW_PKG"."GETMAXAKTION"("STUDIE_ID")<>692)
14 rows selected
SQL>
Execution time (PL/SQL Developer says): 0.59 seconds
----[/Second]---
----[Third example]---
SQL> EXPLAIN PLAN FOR
2 SELECT * FROM ( SELECT studie_id, tw_pkg.getMaxAktion(studie_id) AS max_aktion_id
3 FROM studie
4 ) max_aktion
5 WHERE max_aktion.max_aktion_id < 900
6 AND max_aktion.max_aktion_id <> 692
7 AND max_aktion.max_aktion_id <> 392;
Explained
SQL> SELECT * FROM TABLE(dbms_xplan.display);
PLAN_TABLE_OUTPUT
Plan hash value: 3201460684
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time
| 0 | SELECT STATEMENT | | 1 | 4 | 6 (50)| 00:00:
|* 1 | INDEX FAST FULL SCAN| SYS_C005393 | 1 | 4 | 6 (50)| 00:00:
Predicate Information (identified by operation id):
 1 - filter("TW_PKG"."GETMAXAKTION"("STUDIE_ID")<900 AND
 "TW_PKG"."GETMAXAKTION"("STUDIE_ID")<>692 AND
 "TW_PKG"."GETMAXAKTION"("STUDIE_ID")<>392)
15 rows selected
SQL>
Execution time (PL/SQL Developer says): 1.11 seconds
----[/Third]---Edited by: thomas_w on Jul 9, 2010 11:35 AM
Edited by: thomas_w on Jul 12, 2010 8:29 AM

Hi,
this is likely because SQL Developer fetches and displays only limited number of rows from query results.
This number is a parameter called 'sql array fetch size', you can find it in SQL Developer preferences under Tools/Preferences/Database/Advanced tab, and it's default value is 50 rows.
Query scans a table from the beginning and continue scanning until first 50 rows are selected.
If query conditions are more selective, then more table rows (or index entries) must be scanned to fetch first 50 results and execution time grows.
This effect is usually unnoticeable when query uses simple and fast built-in comparison operators (like = <> etc) or oracle built-in functions, but your query uses a PL/SQL function that is much more slower than built-in functions/operators.
Try to change this parameter to 1000 and most likely you will see that execution time of all 3 queries will be similar.
Look at this simple test to figure out how it works:
CREATE TABLE studie AS
SELECT row_number() OVER (ORDER BY object_id) studie_id, o.*
FROM (
SELECT * FROM all_objects
CROSS JOIN
(SELECT 1 FROM dual CONNECT BY LEVEL <= 100)
) o;
CREATE INDEX studie_ix ON studie(object_name, studie_id);
ANALYZE TABLE studie COMPUTE STATISTICS;
CREATE OR REPLACE FUNCTION very_slow_function(action IN NUMBER)
RETURN NUMBER
IS
BEGIN
RETURN action;
END;
/'SQL array fetch size' parameter in SQLDeveloper has been set to 50 (default). We will run 3 different queries on test table.
Query 1:
SELECT * FROM ( SELECT studie_id, very_slow_function(studie_id) AS max_aktion_id
 FROM studie
 ) max_aktion
WHERE max_aktion.max_aktion_id < 900
call count cpu elapsed disk query current rows
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 1 1.22 1.29 0 1310 0 50
total 3 1.22 1.29 0 1310 0 50
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 93 (TEST)
Rows Row Source Operation
 50 INDEX FAST FULL SCAN STUDIE_IX (cr=1310 pr=0 pw=0 time=355838 us cost=5536 size=827075 card=165415)(object id 79865)
Rows Execution Plan
 0 SELECT STATEMENT MODE: ALL_ROWS
 50 INDEX MODE: ANALYZED (FAST FULL SCAN) OF 'STUDIE_IX' (INDEX)Query 2:
SELECT * FROM ( SELECT studie_id, very_slow_function(studie_id) AS max_aktion_id
 FROM studie
 ) max_aktion
WHERE max_aktion.max_aktion_id < 900
 AND max_aktion.max_aktion_id > 800
call count cpu elapsed disk query current rows
Parse 1 0.00 0.01 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 1 8.40 8.62 0 9351 0 50
total 3 8.40 8.64 0 9351 0 50
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 93 (TEST)
Rows Row Source Operation
 50 INDEX FAST FULL SCAN STUDIE_IX (cr=9351 pr=0 pw=0 time=16988202 us cost=5552 size=41355 card=8271)(object id 79865)
Rows Execution Plan
 0 SELECT STATEMENT MODE: ALL_ROWS
 50 INDEX MODE: ANALYZED (FAST FULL SCAN) OF 'STUDIE_IX' (INDEX)Query 3:
SELECT * FROM ( SELECT studie_id, very_slow_function(studie_id) AS max_aktion_id
 FROM studie
 ) max_aktion
WHERE max_aktion.max_aktion_id = 600
call count cpu elapsed disk query current rows
Parse 1 0.01 0.00 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 1 18.72 19.16 0 19315 0 1
total 3 18.73 19.16 0 19315 0 1
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 93 (TEST)
Rows Row Source Operation
 1 INDEX FAST FULL SCAN STUDIE_IX (cr=19315 pr=0 pw=0 time=0 us cost=5536 size=165415 card=33083)(object id 79865)
Rows Execution Plan
 0 SELECT STATEMENT MODE: ALL_ROWS
 1 INDEX MODE: ANALYZED (FAST FULL SCAN) OF 'STUDIE_IX' (INDEX)Query 1 - 1,29 sec, 50 rows fetched, 1310 index entries scanned to find these 50 rows.
Query 2 - 8,64 sec, 50 rows fetched, 9351 index entries scanned to find these 50 rows.
Query 3 - 19,16 sec, only 1 row fetched, 19315 index entries scanned (full index).
Now 'SQL array fetch size' parameter in SQLDeveloper has been set to 1000.
Query 1:
SELECT * FROM ( SELECT studie_id, very_slow_function(studie_id) AS max_aktion_id
 FROM studie
 ) max_aktion
WHERE max_aktion.max_aktion_id < 900
call count cpu elapsed disk query current rows
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 1 18.35 18.46 0 19315 0 899
total 3 18.35 18.46 0 19315 0 899
Misses in library cache during parse: 0
Optimizer mode: ALL_ROWS
Parsing user id: 93 (TEST)
Rows Row Source Operation
 899 INDEX FAST FULL SCAN STUDIE_IX (cr=19315 pr=0 pw=0 time=20571272 us cost=5536 size=827075 card=165415)(object id 79865)
Rows Execution Plan
 0 SELECT STATEMENT MODE: ALL_ROWS
 899 INDEX MODE: ANALYZED (FAST FULL SCAN) OF 'STUDIE_IX' (INDEX)Query 2:
SELECT * FROM ( SELECT studie_id, very_slow_function(studie_id) AS max_aktion_id
 FROM studie
 ) max_aktion
WHERE max_aktion.max_aktion_id < 900
 AND max_aktion.max_aktion_id > 800
call count cpu elapsed disk query current rows
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 1 18.79 18.86 0 19315 0 99
total 3 18.79 18.86 0 19315 0 99
Misses in library cache during parse: 0
Optimizer mode: ALL_ROWS
Parsing user id: 93 (TEST)
Rows Row Source Operation
 99 INDEX FAST FULL SCAN STUDIE_IX (cr=19315 pr=0 pw=0 time=32805696 us cost=5552 size=41355 card=8271)(object id 79865)
Rows Execution Plan
 0 SELECT STATEMENT MODE: ALL_ROWS
 99 INDEX MODE: ANALYZED (FAST FULL SCAN) OF 'STUDIE_IX' (INDEX)Query 3:
SELECT * FROM ( SELECT studie_id, very_slow_function(studie_id) AS max_aktion_id
 FROM studie
 ) max_aktion
WHERE max_aktion.max_aktion_id = 600
call count cpu elapsed disk query current rows
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 1 18.69 18.84 0 19315 0 1
total 3 18.69 18.84 0 19315 0 1
Misses in library cache during parse: 0
Optimizer mode: ALL_ROWS
Parsing user id: 93 (TEST)
Rows Row Source Operation
 1 INDEX FAST FULL SCAN STUDIE_IX (cr=19315 pr=0 pw=0 time=0 us cost=5536 size=165415 card=33083)(object id 79865)
Rows Execution Plan
 0 SELECT STATEMENT MODE: ALL_ROWS
 1 INDEX MODE: ANALYZED (FAST FULL SCAN) OF 'STUDIE_IX' (INDEX)And now:
Query 1 - 18.46 sec, 899 rows fetched, 19315 index entries scanned.
Query 2 - 18.86 sec, 99 rows fetched, 19315 index entries scanned.
Query 3 - 18.84 sec, 1 row fetched, 19315 index entries scanned.

What is alignment in unicode and what are restrictions

what is alignment in unicode and what are restrictions, dont give about unicode i want only about alignment in unicode
Points will be awarded if usefull

Hi,
Check the following Threads,
what is internal and external encoding in unicode
Unicode
UNICODE
Regards,
Padmam.

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