Randomly selecting some rows from the database table
Hi can some one help me in selecting some rows from a database table which has around 90,000 rows.
Thanks.
One thing you might try is the "sample" clause if you have 8i which is supposed to return a random percentage of the table. Say for example, you have a sequence number on your table as the pkey. Then you might try:
select * from <table_name> where pkey in(select pkey from <table_name> sample(10));
This should give you a random 10 percent of the rows in the table but I tried this once and the results seemed unpredictable. For example it returned a different number of rows each time even though the number of rows in the table didn't change.
Hope this works for you.
Similar Messages
-
How to select alternate entries from the database table
Hi Experts,
can u help me, how to select alternate entries from the database table.
ThanksAs there is no concept of sequence (unless there is a field specifically included for the purpose), there is no meaning to "alternate" records.
What table do you have in mind, what data does it hold, and why do you want alternate records?
matt -
How can i select some row from multiple row in the same group of data
I want to select some row from multiple row in the same group of data.
ColumnA
Column B
1 OK
1 NG
2 NG
2 NG
3 OK
3 OK
I want the row of group of
ColumnA if ColumnB contain even 'NG'
row , select only one row which Column B = 'NG'
the result i want =
ColumnA Column B
1 NG
2 NG
3 OK
Thank youThat's some awful explanation, but I think this is what you were driving at:
DECLARE @forumTable TABLE (a INT, b CHAR(2))
INSERT INTO @forumTable (a, b)
VALUES
(1, 'OK'),(1, 'NG'),
(2, 'NG'),(2, 'NG'),
(3, 'OK'),(3, 'OK')
SELECT f.a, MIN(COALESCE(f2.b,f.b)) AS b
FROM @forumTable f
LEFT OUTER JOIN @forumTable f2
ON f.a = f2.a
AND f.b <> f2.b
GROUP BY f.a -
Hello Anybody, I have a question. Can any of you please suggest me how to make an xml file from the database table with all the records?
Note:- I am having the XSD Schema file and the resulted XML file should be in that XSD format only.The Oracle documentation has a good overview of the options available
Generating XML Data from the Database
Without knowing your version, I just picked 11.2, so you made need to look for that chapter in the documentation for your version to find applicable information.
You can also find some information in XML DB FAQ -
Getting error while deleting rows from the database using the View Object
Hi All,
I am using jdev 11.1.1.4.0. I am removing the rows from the database using viewobject( quering the viewobject to find the records i want to delete).
I am using vo.removeCurrentRow(0). Before this statement I am able to get the rows I want to delete.
after that i am doing am.transaction.commit(). But I am getting the error..
javax.faces.el.EvaluationException: oracle.jbo.DMLException: JBO-26080: Error while selecting entity for CriteriaEO
at org.apache.myfaces.trinidadinternal.taglib.util.MethodExpressionMethodBinding.invoke(MethodExpressionMethodBinding.java:58)
at org.apache.myfaces.trinidad.component.UIXComponentBase.broadcastToMethodBinding(UIXComponentBase.java:1256)
at org.apache.myfaces.trinidad.component.UIXCommand.broadcast(UIXCommand.java:183)
at oracle.adf.view.rich.component.fragment.UIXRegion.broadcast(UIXRegion.java:148)
at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:92)
at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:361)
at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:96)
at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:102)
at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:92)
at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:361)
at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:96)
at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:96)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.broadcastEvents(LifecycleImpl.java:879)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:312)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:185)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:205)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:106)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:271)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:177)
at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:175)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:207)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:176)
Caused by: oracle.jbo.DMLException: JBO-26080: Error while selecting entity for CriteriaEO
at oracle.jbo.server.OracleSQLBuilderImpl.doEntitySelectForAltKey(OracleSQLBuilderImpl.java:1117)
at oracle.jbo.server.BaseSQLBuilderImpl.doEntitySelect(BaseSQLBuilderImpl.java:553)
at oracle.jbo.server.EntityImpl.doSelect(EntityImpl.java:8134)
at oracle.jbo.server.EntityImpl.lock(EntityImpl.java:5863)
at oracle.jbo.server.EntityImpl.beforePost(EntityImpl.java:6369)
at oracle.jbo.server.EntityImpl.postChanges(EntityImpl.java:6551)
at oracle.jbo.server.DBTransactionImpl.doPostTransactionListeners(DBTransactionImpl.java:3275)
at oracle.jbo.server.DBTransactionImpl.postChanges(DBTransactionImpl.java:3078)
at oracle.jbo.server.DBTransactionImpl.commitInternal(DBTransactionImpl.java:2088)
at oracle.jbo.server.DBTransactionImpl.commit(DBTransactionImpl.java:2369)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.el.parser.AstValue.invoke(Unknown Source)
at com.sun.el.MethodExpressionImpl.invoke(Unknown Source)
at org.apache.myfaces.trinidadinternal.taglib.util.MethodExpressionMethodBinding.invoke(MethodExpressionMethodBinding.java:53)
... 53 more
Caused by: java.sql.SQLSyntaxErrorException: ORA-00972: identifier is too long
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:457)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:405)
at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:889)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:476)
at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:204)
at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:540)
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:217)
at oracle.jdbc.driver.T4CPreparedStatement.executeForDescribe(T4CPreparedStatement.java:924)
at oracle.jdbc.driver.OracleStatement.executeMaybeDescribe(OracleStatement.java:1261)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1419)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3752)
at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:3806)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.executeQuery(OraclePreparedStatementWrapper.java:1667)
at oracle.jbo.server.OracleSQLBuilderImpl.doEntitySelectForAltKey(OracleSQLBuilderImpl.java:869)
Please give suggestions...
Thanks
KanikaHi,
First Run Application module and confirm whether model project is OK,Cause for the Error is Caused by: java.sql.SQLSyntaxErrorException: ORA-00972: identifier is too long
check:
Issues with table/column name length
identifier is too long
I guess following error occurred because above issue
JBO-26080: DMLException
Cause: An unexpected exception occurred while executing the SQL to fetch data for an entity instance or lock it.
Action: Fix the cause for the SQLException in the details of this exception.
See:
http://download.oracle.com/docs/cd/A97337_01/ias102_otn/buslog.102/bc4j/jboerrormessages.html#26080Hope you will helpful -
Deleting a row from the item table
Hi All,
I have a requirement where I need to put a button to delete the selected row from the item table and for this I have written the following code:
DATA lo_nd_t_bseg TYPE REF TO if_wd_context_node.
DATA lo_el_t_bseg TYPE REF TO if_wd_context_element.
DATA ls_t_bseg TYPE wd_this->element_t_bseg.
data: it_tab type table of wd_this->element_t_bseg.
lo_nd_t_bseg = wd_context->path_get_node( path = `Z.T_BSEG` ).
lo_el_t_bseg = lo_nd_t_bseg->get_element( ).
lo_el_t_bseg->get_static_attributes(
IMPORTING
static_attributes = ls_t_bseg ).
lo_nd_t_bseg = wd_context->path_get_node( path = `Z.T_BSEG` ).
lo_el_t_bseg = lo_nd_t_bseg->get_element( ).
IF lo_el_t_bseg IS not INITIAL.
lo_nd_t_bseg->remove_element( lo_el_t_bseg ).
ENDIF.
Now the problem is although it's deleteing the selected line correctly but because of this I am losing one line on the screen for the user to enter... my form has a fixed number of lines and in my case it's 10... so everytime I am using deleting a line item I am losing one line to enter..... can you please tell me how can I avoid this?
Edited by: rajatg on Aug 4, 2011 3:12 PMlets say...
i have 1,2,3 documents
i have cleared , document 2....
1. when the user selects this record.... you can read the context_element....using the context element you can get the values and clear those values and set the blank values...
when the user click on save ...you can have only those two records in the table.
2. conitnue with your logic .... remove_element. once it is done ,,, create_element at the deleted index...
3. when clicked on delete ...remove_element ( current code).... bind the table to the node... and you will have ur values -
How to remove only one row from the database using labview6.1
using labview 6.1 I create a table with various rows and columns and store bulk of data's in them.,, what procedure should I follow to remove only one paticular row from the database? Help me out with an example please,,
Thanking you in advance!Hi,
If you have the database toolkit you can delete a row using just a SQL Query to "DB Tools Execute Query.VI"
Example:
DELETE FROM Table name Where SerialNum='Value' And Date='Value' And Time='Value'
See also attached VI
Best Regards
Johan
Attachments:
Delete_a_row_in_a_database_table.vi 48 KB -
How do I remove a row from the database?
Guys and Gals,
I'm using Studio Edition Version 11.1.1.3.0.
The code below will delete a row from my table, but how do I actually delete the row from the database as well?
DCBindingContainer dcbc = (DCBindingContainer)getBindings();
DCIteratorBinding dcib = dcbc.findIteratorBinding("TipsSelectorIterator");
dcib.removeCurrentRow();
BindingContainer bindings = getBindings();
OperationBinding operationBinding = bindings.getOperationBinding("Commit");
Object result = operationBinding.execute();
AdfFacesContext adffacesctx = AdfFacesContext.getCurrentInstance();
adffacesctx.addPartialTarget(this.getQueryTable()); In this post, I believe Frank sums up what I should do: Remove row from af:table
>
The problem in your case is that this removes the row from the iterator but not your business service. EJB exposes explicit methods to remove an entity. A method lime removeEmployees(employee) >expsed on the EJB model must be called.
You can drag and drop the "removeEmployees" method then as a button to your page. Rename the text label to "Remove" or "Delete". In the opened dialog box, point the method argument to the >following EL #{bindings.iteratorName.currentRow.dataProvider}. Next time you press the button, the row is deleted from the iterator and the business service
Huh? So to delete the row, I need to expose a method. But where? Do I do this in the AppModuleImpl so I can expose it to the Client Interface? But then how do I access entities? And what data type is the #{bindings.iteratorName.currentRow.dataProvider}?
If anyone could point me in a general direction, it'd be great.Frank and Shay,
Thank you both for your posts. I'm amazed there's such a great place to get help. Between the forums, ADF code corner, Not Yet Documented ADF Samples, various blogs and tutorials, it's obvious you guys really care about what you do.
On my example, that approach doesn't seem to work. I tried following it like so in one of the video tutorials by Shay: http://blogs.oracle.com/shay/2010/04/doing_two_declarative_operatio.html. Following Shay's approach, in my particular case, deletes only from the table. Perhaps it is due to my iterator / collection setup?
TipsSelector (1 to 1) -> TipsView (1 to *)-> DependentBom -(1 to * Recursive)> RecursiveBom
TipsSelector references the same View Object as TipsView, but it is set as a 1 to 1 relationship so that I can show TipsView on the page one record at a time. This is the same setup as Tuhra2's hierarchy veiwer example. TipsView / DependentBom is a classic parent / child setup. RecursiveBom is DependentBom referencing itself. Think of it as departments within departments within departments etc...
I have dragged TipsSelector's Named Criteria (All Queriable Attributes) onto my page and created an ADF Query with Table. A remove button on the table's toolbar calls the two actions, Delete (from TipsSelector's iterator) and then Commit. I have modified the code slightly from my previous post but the end result seems to be the same.
BindingContainer bindings = getBindings();
OperationBinding operationBinding = bindings.getOperationBinding("Delete");
operationBinding.execute();
bindings = getBindings();
operationBinding = bindings.getOperationBinding("Commit");
operationBinding.execute();
AdfFacesContext adffacesctx = AdfFacesContext.getCurrentInstance();
adffacesctx.addPartialTarget(this.getQueryTable());Page Def file
<action id="Commit" InstanceName="AppModuleDataControl"
DataControl="AppModuleDataControl" RequiresUpdateModel="true"
Action="commitTransaction"/>
<action IterBinding="TipsSelectorIterator" id="Delete"
InstanceName="AppModuleDataControl.TipsSelector"
DataControl="AppModuleDataControl" RequiresUpdateModel="false"
Action="removeCurrentRow"/>On ppr of the query table, the row is gone. However, when I press the Search button on the query again, the record reappears.
This is beyond me. Am I somehow deleting from the query results but not the database? -
SUM two fileds from different rows from the same table
I would like to SUM two fileds from different rows from the same table but I don't know how to do that.
E.g.
BillingTransactionsIndex CreateDate UserType UserIndex TransType Reference Total Balance
2 6/5/2008 15:02 1 51 1 150 -288.2 -288.2
5 6/8/2008 11:55 1 51 1 157 -1.58674 -289.787
In the table above I want SUM fields Total and Balance for the first row and the the next row SUM 2nd row Total with 1st row Balance
Please help
ThanksSQL> with tbl as
2 (select 1 as ID, 90 as total from dual
3 union all
4 select 2 as ID, 23 as total from dual
5 union all
6 select 3 as ID, 15 as total from dual
7 union all
8 select 4 as ID, 20 as total from dual)
9 select id , total, sum(total) over (order by ID) as balance from tbl
10 /
ID TOTAL BALANCE
1 90 90
2 23 113
3 15 128
4 20 148
SQL> -
Can I restore the deleted statistical data from the database tables?
Hi all,
I have deleted the statistical data from the database tables like(Ex: RSDDSTAT, RSDDSTATWHM,..) by mistake through RSA1> Tools> BW Statistics for Infoproviders--> Delete.
Is there any way to restore the deleted data back? Thanks in advance.Now I'm really confused-
Your first post said
"<b>I have deleted the statistical data from the database tables like(Ex: RSDDSTAT, RSDDSTATWHM</b>,..) by mistake through RSA1> Tools> BW Statistics for Infoproviders--> Delete."
but your last respsonse said
"I have deleted the BW Statistics data, <b>not the actual data in RSDDSTAT tables</b> through
RSA1 -> Tools -> BW Statistics for InfoProviders -> clicked 'Delete' bin to delete data."
If you used the RSA1 -> Tools -> BW Statistics for InfoProviders -> clicked 'Delete' - <b>then you deleted the data from the RSDDSTAT tables</b>. This assumes you accepted the default date range that would have popped up after the clicking on the Delete button which specified to delete thru the current date. If this is what you did, the data is gone. Your only hope is be to recover from a DB backup.
The data in the RSDDSTAT tables is what is used to feed the BW Statistics cubes, generally on a daily basis. -
For example, I have a 2D array with 46 rows and 400 columns. I would like to randomly select 46 data rows from the 2D array. By doing the random selection it means that not all individual 46 rows will be selected some rows may appear more than once as there may be some duplicates or triplicates in the random selection. The importan thing is that we will have randomly selected 46 rows of data (no matter that some rows appear more than once). Then I would like to subset these randomly selected 46 data rows (some which will be duplicated, or triplicated, etc.) and then also find and subset the rows that were not selected. Does this make sense? Then i would like to do this say 10 times for this data set. So that then I will have 2 by 10 data sets: the first 10 each with 46 rows and the other 10 with n rows depending on how many WERE NOT randomly selected. i hope that my explanation is clear. I am relatively new to Labview. It is really great so I am getting better! If anyone can help me with this problems it will be great. RVR
Start by generating randon #s between 0 and 45. Run a for loop X times and in it use the random function, multiply the result by X and round down (-infinity). You can make this into a subVI, which you can reuse later. In the same loop, or in a different one, use Index Array to extract the rows which were selected (wiring the result out of the loop with auto indexing causes it to be rebuilt into a 2D array).
One possible solution for the second part would be to go over the array of randomly generated numbers in a for loop and use Search 1D Array to find each of the numbers (i). If you get -1, it means the row wasn't selected and you can extract it.
I hope this puts you on the right path. If not, don't be afraid to ask more.
To learn more about LV, I suggest you read the LabVIEW user manual. Also, try searching this site and google for LabVIEW tutorials. Here and here are a couple you can start with. You can also contact your local NI office and join one of their courses.
In addition, I suggest you read the LabVIEW style guide.
Try to take over the world! -
Selecting a one row from the database is not working
Hi all I am having a small problem with getting a row from my database to show up. Here is the code for the search that I want to do
String item; String columnName; String result; columnName = (String)searchBox.getSelectedItem(); item = searchField.getText().trim(); String tableName = "employee"; if(item == null || item.equals("")){ System.out.println("No Text entered"); }else{ try { result = sql.retrieve_From_Database(columnName, tableName, item); System.out.println(result); } catch (SQLException e1) { sql.displayErrors(e1); }
Here is the code for the retrieve_From_Database function.
protected String retrieve_From_Database(String columnName, String tableName, String item) throws SQLException{ ResultSet rs = null; Statement sm = null; sm = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY); rs = sm.executeQuery("select * from " + tableName + " where " + columnName + " = " + item); result = rs.getString(columnName); if(result == null){ System.out.println("Error in retrieve"); return new String("No results in DB"); }else{ System.out.println(result); return result; } }
When I run the first code I get an error of SQL Exception: Unknown column 'anthony' in 'where clause'. But yet when I run the query of
Select * from employee where FirstName = 'anthony'
within the mysql commandline I get the proper result. So my question is why when running this in the command line do I get the proper result but when running the code I do not?jo**** wrote:
Hi. The problem is clear in the original post. The OP is trying to use PreparedStatement
parameters to fill out general portions of the SQL query, instead of only data values.
He is hoping to put in a column name. That will never work. Only data values are settable.
HTH,
Joe WeinsteinActually, no. There's no PreparedStatement there at all. It appears that his problem is that, while the working query entered directly in the client is
Select * from employee where FirstName = 'anthony'the query he's constructing in his code is
Select * from employee where FirstName = anthonySince there are no quotes around anthony, it's treated as a column name.
If he had properly used PreparedStatment as suggested in reply 1, that would not be an issue. My guess, however, is that when he claims he's using PS, it's as Tolls suggested a couple of posts ago--he's simply replacing the Statement with a PreparedStatement, but not using the parameters as suggested.
The wrong thing for OP to do at this point is see my above comment about the quotes and explicitly add them in the query string. The right thing to do, of course, is to actually use PS's parameters.
Edited by: jverd on Oct 11, 2010 10:08 AM -
How can i select the rows from the 3 tables by particular column name?
Vehicle Passing Summary table structure
PsngSmry_ID(Number),Vehicle_iD(Number),PsngSmryTime(datetime)
Vehicle table structure
Vehicle_iD(Number),VehicleName(VarChar2),VehicleType(VarChar2)
Here Vehicle_iD is the Primary Key
Equipment Table Structure
Eqpmt_id(Number),Vehicle_iD(Number),EqpmtName(VarChar2),EqpmtType(VarChar2)
Here Eqpmt_id is the Primary Key and Vehicle_iD is the foreign Key
Equipment Component Table Structure
Eqpmt_Cmpnt_id(Number) ,Eqpmt_id(Number),EqpmtCmpntName(VarChar2),EqpmtCmpntName(VarChar2),Parent_Eqpmnt_ID(Number)
Here Eqpmt_Cmpnt_id is the Primary Key and Eqpmt_id is the foreign Key
The rows in the Vehicle Passing Summary table
PsngSmry_ID Vehicle_ID PsngSmryTime
111111 80986246 2010/10/11
111112 80986247 2010/10/12
111113 80986248 2010/10/10
The rows in the Vehicle Table
Vehicle_iD VehicleName VehicleType
80986246 Lorry Four Wheeler
80986247 Van Four Wheeler
80986248 Bus Four Wheeler
The rows in the Equipment Table:
Eqpmt_id Vehicle_iD EqpmtName EqpmtType
109846 80986246 2 Axle Lorry CAR
109821 80986246 4 Axle Lorry CAR
109825 80986246 4 Axle Lorry CAR
109562 80986247 2 Axle VAn CAR
109555 80986247 3 Axle VAn CAR
109777 80986247 3 Axle VAn CAR
109587 80986248 2 Axle Bus CAR
The rows in the Equipment Component Table :
Eqpmt_Cmpnt_id Eqpmt_id EqpmtCmpntName Parent_Eqpmnt_ID
20904146 109846 Truck
20904147 109846 Truck
20904148 109846 Axle 20904146
20904159 109846 Axle 20904146
20904167 109846 Wheel 20904148
20904177 109846 Wheel 20904148
20904185 109846 Wheel 20904159
20904325 109846 Wheel 20904159
20904188 109846 Axle 20904147
20904189 109846 Axle 20904147
20904195 109846 Wheel 20904188
20904196 109846 Wheel 20904188
20904197 109846 Wheel 20904189
20904398 109846 Wheel 20904189
10904146 109562 Truck
10904147 109562 Truck
10904148 109562 Axle 10904146
10904159 109562 Axle 10904146
10904167 109562 Wheel 10904148
10904177 109562 Wheel 10904148
10904185 109562 Wheel 10904159
10904325 109562 Wheel 10904159
10904188 109562 Axle 10904147
10904189 109562 Axle 10904147
10904195 109562 Wheel 10904188
10904196 109562 Wheel 10904188
10904197 109562 Wheel 10904189
10904398 109562 Wheel 10904189
Note : In Equipment Component Table,the hierarchy will be Truck-->Axle-->Wheel.So
1.the Parent_Eqpmnt_ID of Axle is Truck's Eqpmt_Cmpnt_id.
2.the Parent_Eqpmnt_ID of Wheel is Axle's Eqpmt_Cmpnt_id.
Now I want to write the store procedure which will take "PsngSmry_ID(Number)" as input and the o/p will be in the format :
Eqpmt_Cmpnt_id Eqpmt_id EqpmtCmpntName Parent_Eqpmnt_ID
20904146 109846 Truck
20904148 109846 Axle 20904146
20904167 109846 Wheel 20904148
20904177 109846 Wheel 20904148
20904159 109846 Axle 20904146
20904185 109846 Wheel 20904159
20904325 109846 Wheel 20904159
20904147 109846 Truck
20904188 109846 Axle 20904147
20904195 109846 Wheel 20904188
20904196 109846 Wheel 20904188
20904189 109846 Axle 20904147
20904197 109846 Wheel 20904189
20904398 109846 Wheel 20904189
10904146 109562 Truck
10904148 109562 Axle 10904146
10904167 109562 Wheel 10904148
10904177 109562 Wheel 10904148
10904159 109562 Axle 10904146
10904185 109562 Wheel 10904159
10904325 109562 Wheel 10904159
10904147 109562 Truck
10904188 109562 Axle 10904147
10904195 109562 Wheel 10904188
10904196 109562 Wheel 10904188
10904189 109562 Axle 10904147
10904197 109562 Wheel 10904189
10904398 109562 Wheel 10904189
**Please add these columns in the o/p **
1.EqpmtName and EqpmtType from Eqpmt table
2.VehicleName and Vehicle Type from Vehicle table
3.PsngSmryTime from PassingSummary table **
Can anyone tell me the solution?
Edited by: 865216 on Jun 22, 2011 2:14 AMHi,
I am new to this technology;But, just wanted to help you.
Please refer the code it might be atleast helpful for you.
But am facing PL/SQL: ORA-00933: error and unable to resolve it.could anyone please correct this code.
sorry if my code is totally wrong.
Thank you,
Rupa
create or replace procedure Equipment_proc
is
begin
DECLARE
TYPE EQP_record IS RECORD (
Vehicle_iD Vehicle.Vehicle_iD%TYPE,
Eqpmt_Cmpnt_id Equipment_Component.Eqpmt_Cmpnt_id%type,
EqpmtCmpntName Equipment_Component.EqpmtCmpntName%type,
Parent_Eqpmnt_ID Equipment_Component.Parent_Eqpmnt_ID%type,
Eqpmt_id Equipment.Eqpmt_id%type,
vehicleId NUMBER);
EQP_rec EQP_record;
CURSOR EQP_cursor IS
select a.Vehicle_iD,c.Eqpmt_Cmpnt_id,b.Eqpmt_id,c.EqpmtCmpntName,c.Parent_Eqpmnt_ID
from Vehicle a,Equipment b,Equipment_Component c
where a.Vehicle_iD=b.Vehicle_iD
and b.Eqpmt_id=c.Eqpmt_id
and a.vehicle_id=&EQP_rec.vehicleId;
BEGIN
OPEN EQP_cursor;
FETCH EQP_cursor INTO EQP_rec;
dbms_output.put_line(EQP_rec.Vehicle_iD,EQP_rec.Eqpmt_Cmpnt_id||','||EQP_rec.Eqpmt_id||','||EQP_rec.EqpmtCmpntName||','||EQP_rec.Parent_Eqpmnt_ID);
CLOSE EQP_cursor;
END;
END; -
How do I select a row from the middle of a recordset?
UserID QuestionID Answered
10 9 N
10 8 N
10 7 N
10 6 N
10 5 Y
10 4 Y
10 1 Y
From the table sorted by QuestionID DESC, how do I select the first row from the bottom going up with Answered value equal to 'N'?
Which in the example above would be:
10 6 N
I need to select this row and get the QuestionID value equal to 6.
Right now I have:
select QuestionID
from tblMap
where Answered = 'N'
and ROWNUM = 1
order by QuestionID ASC;
This always the top most row, which would be:
10 9 NHere i used DUAL to generate a list of numbers for me.
ME_XE?select *
2 from
3 (
4 select row_number() over (order by col1 desc) as rn, count(*) over() as cnt, col1
5 from
6 (
7 select level as col1 from dual connect by level <= 9
8 )
9 )
10 where ceil(cnt/2) = rn
11 /
RN CNT COL1
5 9 5
1 row selected.
Elapsed: 00:00:00.07
ME_XE?Edited by: Tubby on Jul 8, 2009 1:47 PM
Seems i misread the question :) -
How to refresh a child table each time I select a row in the master table
I've 2 tables, a master table and a child table.
When i click on each row of the master table, the child table needs to be refreshed.
I've given the id of table1(master) as the CreatePartialTrigger value in table2(child).
The refresh does happen but it happens in an inconsistent manner.
For eg. in my scenario,
1.I add a row to the master table
2.Click on the create button of the child table, this opens a popup and i enter a few values and the child row gets added.
3.Now when i toggle between the rows in my master table, the refresh does not happen and I see duplicate rows in the child table but in the datebase only one record gets stamped..
Is there any clean way to refresh the child table based on the row selection in the master table.
Kindly let me know.
Table1
<fnd:applicationsTable tableId="table">
<af:table value="#{bindings.Actions1.collectionModel}" var="row"
rows="#{bindings.Actions1.rangeSize}"
fetchSize="#{bindings.Actions1.rangeSize}"
selectedRowKeys="#{bindings.Actions1.collectionModel.selectedRow}"
selectionListener="#{bindings.Actions1.collectionModel.makeCurrent}"
rowSelection="single" id="table1"
contentDelivery="immediate" editingMode="clickToEdit"
columnSelection="multiple" autoHeightRows="10"
summary="#{HcmActionsTopGenBundle['Header.Action.ActionCode']}" rowBandingInterval="0"
styleClass="AFStretchWidth"
partialTriggers="::create ::createMenuItem">
<af:column id="column1" headerText=" " width="5"
rowHeader="true"/>
<af:column sortProperty="ActionCode" sortable="true"
headerText="#{bindings.Actions1.hints.ActionCode.label}" width="150"
showRequired="true" rendered="true" id="c1">
<af:inputText value="#{row.bindings.ActionCode.inputValue}"
label="#{bindings.Actions1.hints.ActionCode.label}"
required="#{bindings.Actions1.hints.ActionCode.mandatory}"
columns="#{bindings.Actions1.hints.ActionCode.displayWidth}"
maximumLength="#{bindings.Actions1.hints.ActionCode.precision}"
shortDesc="#{bindings.Actions1.hints.ActionCode.tooltip}" id="it1"
autoSubmit="true"
/>
</af:column>
</fnd:applicationsTable>
Table 2
<fnd:applicationsTable tableId="table2"
styleClass="AFStretchWidth"
id="AT2"
actionsMenuRendered="false"
secondaryToolbarRendered="false"
createPatternType="secondaryWindow"
createText="#{hcmActionsBundle['Action.Add']}"
createAction="#{backingBeanScope.SetupUiBean.invokeCreatePopUp}"
createPopupId="create1"
editEnabled="false"
createPartialTriggers="table1"Hi Frank,
As you mentioned I already have the id of my master table which is 'table1' as the createPartialTrigger in my child table.
In my case there are 2 scenarios.
I add a row to the Master table and when I click on the create button on the chile table, I get a pop with 'Yes' , 'No' and 'Cancel'
Scenario1
If I click 'Yes' , then I get another popup where I enter the values for the ActionReasonsActionReasonUsagesVO which is a combination of the ActionReasonsEO and the ActionReasonUsagesEO, now when I click on OK, a new row gets created in the ActionReasonsActionReasonUsagesVO.
In the above scenario things work fine, as I toggle between the rows in the Master table the child table gets refreshed.
Scenario2
If I click 'No' I get a search popup where I can query up the ActionReasonsVO and select existing data,on clicking OK, the values get mapped from the ActionReasonsVO to the ActionReasonsActionReasonUsagesVO.
Now when I toggle between the rows in my master table, I observe 2 types of behaviors
1.Due to incorrect refresh, the child table rows vanishes from the UI.
2.There are duplicate rows in the child table.
The issue is specific to this scenario where the refresh of the child table rows does not happen correctly.
Edited by: 944295 on Apr 18, 2013 5:16 PM
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