How to group by on specific columns in a table

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• How to disable filtering on specific columns

  
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  Anyone can solve the my problem please?
  I have two columns 'Age' and 'employee ID '.
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  end

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  Concerning

  Gaze

• How can I activate validations on columns in a table

  Hi all

  Background

  I have a tabular presentation, which consists of four columns. The form is based on a view.

  The four columns are: localID EXAMPLE 2 EXAMPLE 3 EXAMPLE 4

  There are three buttons. Submit, cancel and add the line

  I need to allow users to add and edit information from localID but users are not allowed to change the LocalID field.

  At first, I thought that it would be best to leave this field to display in text form but only when a user clicks on the add a line to the field LocalID is empty or null, said

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  Randall12 randall luzzi 20

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  Thank you

  CharlieMack

  Hello

  The validation is triggered for each field in the column DEPTNO. Also for the new fields. If you are not allowed to transfer the column DEPTNO field at all.

  Your question, it turns out, is a rather difficult pickle. In short: there is, as far is I know, simple way to validate a column only for existing records, but not for new.

  My idea would be to take your little question and look at what you're trying to accomplish: stop the upgrade on a column, but allow insertions.

  Take a look at the table of the DEPT on your page 850. I added a dynamic action that defines all DEPTNO existing read-only, but leaves new lines as entrable.

  Alternatively, you can fill your LOCALID column by a trigger. This way you can set your column as diplay only (or not entrable) and it will always get a value.

  If you want to persist with leaving LOCALID as input fields and launch a validation error on submit, you will need at least a column more than you fill a trigger/sequence. You need something to uniquely identify each line as a reference to records in database.

  For the latter, I page 851, the configuration using the EMP table. Validation, each line is identified solely by the EMPNO column. If you change your ENAME, the record is put in correspondence with the value of database based on the EMPNO. If the EMPNO is null, obviously facing a new line, for which we allow an entry for the ENAME field.

  Note that adding an additional column is necessary to match each line with the existing values in the database, but requires a change to your datamodel.

  This choice I'll give to you

  Good luck with it.

  Kind regards

  Vincent

• How to pass the parameter of column in a table of trinidad to the next page?

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  Concerning

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  If you go to the source of table view you see something like

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• How to select a specific column in a bean method?

  Hey everybody,

  I am trying to select a specific column in my table of the adf so that I can hightlight those I can after that, with a pod of method that only one game from another table. I use JDeveloper 12.1.2.0.0.

  Here is my table at the moment (this is a static list that Alejandro and Timo helped me to create, thanks to them once again!):

  < af:table value = "#{bindings." Var Anos1.collectionModel}"="row ".

  lines = ' #{bindings. " Anos1.rangeSize}.

  emptyText = "#{bindings." Anos1.viewable? "{'No data to display.': 'Access Denied.'}".

  rowBandingInterval = '0' fetchSize = "#{bindings." Anos1.rangeSize}.

  filterModel = "#{bindings." Anos1Query.queryDescriptor}.

  queryListener = ' #{bindings. " Anos1Query.processQuery}.

  filterVisible = 'false' varStatus = 'vs' id = 't5 '.

  styleClass = "AFStretchWidth" columnSelection = "multiple".

  inlineStyle = "" max-width: 100%; "columnStretching ="multiple""

  columnSelectionListener = "#{ControlBean.onAnoColumnSelect} '"

  disableColumnReordering = 'true '.

  Binding = "#{ControlBean.dimAnos}" >

  < af:column sortProperty = "#{bindings." Anos1.hints.A2011.name}.

  filterable = "true" sortable = "false".

  headerText = "2011".

  ID = "c54" width = "16%" >

  < af:outputText value = "#{rank." A2011}.

  shortDesc = "#{bindings." Anos1.hints.A2011.ToolTip}.

  ID = "ot54" >

  < af:convertNumber groupingUsed = "false".

  model = ' #{bindings. " Anos1.hints.A2011.format}"/ >

  < / af:outputText >

  < / af:column >

  < af:column sortProperty = "#{bindings." Anos1.hints.A2012.name}.

  filterable = "true" sortable = "false".

  headerText = "2012."

  ID = "c55" width = "16%" >

  < af:outputText value = "#{rank." A2012}.

  shortDesc = "#{bindings." Anos1.hints.A2012.ToolTip}.

  ID = "ot55" >

  < af:convertNumber groupingUsed = "false".

  model = ' #{bindings. " Anos1.hints.A2012.format}"/ >

  < / af:outputText >

  < / af:column >

  < af:column sortProperty = "#{bindings." Anos1.hints.A2013.name}.

  filterable = "true" sortable = "false".

  headerText = "2013".

  ID = "c56" width = "16%" >

  < af:outputText value = "#{rank." A2013}.

  shortDesc = "#{bindings." Anos1.hints.A2013.ToolTip}.

  ID = "ot56" >

  < af:convertNumber groupingUsed = "false".

  model = ' #{bindings. " Anos1.hints.A2013.format}"/ >

  < / af:outputText >

  < / af:column >

  < / af:table >

  I deleted some of the columns, because they are all equal, and in doing so, you have fewer problems in reading.

  In my method, I have a matchEm, but I'm trying to select a column using this line:

  dimAnos.setColumnSelection ("A2012");

  dimAnos is the link to my table Anos (years in Portuguese). I even tried other values FRO the columnSelection but I just couldn't do it selected. I'm doing something wrong?

  Please help me or give me an idea how I can do this.

  Kind regards

  Frederico.

  Hi Frederico,

  The setColumnSelection method is intended to define whether or not your table supports the selection of columns. It does not select the column. In order to select the column, you must set the attribute column selected to true. So I don't know if its an option for you, but you can create a link to all the columns that you have in you bean and then call the method A2012.setSelected (true) and then add a partial target table for makes re and display the selected column.

  Hope this helps

• How can I find what is the data type of a column of a Table in oracle or SQL?

  (a) what happens if I want to know the type of data in a specific column in the Table.

  (b) how to find the column data types?

  Can someone help me please. I am new to oracle and try to learn a few tricks

  Hello

  How to do

  SQL > desc

  SQL> desc emp
   Name                                      Null?    Type
   ----------------------------------------- -------- ----------------------------
   EMPNO                                     NOT NULL NUMBER(4)
   ENAME                                              VARCHAR2(10)
   JOB                                                VARCHAR2(9)
   MGR                                                NUMBER(4)
   HIREDATE                                           DATE
   SAL                                                NUMBER(7,2)
   COMM                                               NUMBER(7,2)
   DEPTNO                                             NUMBER(2)
  

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