Can I create multiple dynamic entries during execution?

Can I create multiple dynamic entries during execution?

Oracle 11g
Request Express 4.0.2.00.06

Here's my problem:
We have a table that contains metadata about the files (paper or electronic).
We hope that we can need more columns in the table at some point and do not want to change the table or the application.

So to do this I would like to create:

A table called TBL_FILE with columns:
NUMBER of TBL_FILE_ID (this will be the primary key)
TBL_FILE_NAME VARCHAR2 (1000) (this will be the name of the file)

A second table will be called TBL_FILE_META with columns:
NUMBER of TBL_META_ID (this will be the primary key)
NUMBER of TBL_FILE_ID (this will be the key to forign to the files table)
TBL_META_COLUMN VARCHAR2 (30) (this is what would be the name of the column if it existed in TBL_FILE)
TBL_META_VALUE VARCHAR2 (1000) (this is the value of this record and the column "would be")

If a person can have as many meta data in the file to add columns to the table.
The problem is how can I allow users to add as much data as they wish with them having to re develop page.

Other things to note is that we would like this be on one page.
I know how to add we can create inserts several rows using a SQL (editable report).
However the TBL_META_VALUE in the TBL_FILE_META column will sometimes be a selection list and other times one text box or a numeric field.
So I don't see now a SQL (editable report) would work for this and I can't create a table of elements on the page running I can?

No idea how I might accomplish this? Is there a better way to do this?

It is a term or a name for what I'm doing by creating these "virtual" columns in another table?
I found this method looking at the workflow tables Oracles.

Welcome to the Oracle Forums!
>
Can I create multiple dynamic entries during execution?

Oracle 11g
Request Express 4.0.2.00.06

Here's my problem:
We have a table that contains metadata about the files (paper or electronic).
We hope that we can need more columns in the table at some point and do not want to change the table or the application.

So to do this I would like to create:

A table called TBL_FILE with columns:
NUMBER of TBL_FILE_ID (this will be the primary key)
TBL_FILE_NAME VARCHAR2 (1000) (this will be the name of the file)

A second table will be called TBL_FILE_META with columns:
NUMBER of TBL_META_ID (this will be the primary key)
NUMBER of TBL_FILE_ID (this will be the key to forign to the files table)
TBL_META_COLUMN VARCHAR2 (30) (this is what would be the name of the column if it existed in TBL_FILE)
TBL_META_VALUE VARCHAR2 (1000) (this is the value of this record and the column "would be")

If a person can have as many meta data in the file to add columns to the table.
The problem is how can I allow users to add as much data as they wish with them having to re develop page.
>
Creation of dynamic Page elements is not available. You must create surplus items and hide/show, etc. But you cannot change the element Type. Overall, too many restrictions in this approach.
>
Other things to note is that we would like this be on one page.
>
The limit of 100 points will hit you if you go with extra page element. With the form of tables that should not be a limitation, unless you're exceeding the limit of 50 APEX_APPLICATION point. G_Fnn points and limitation of the 60 column of the region report with "(analyze the query executing only) use generic name column" in the dynamic region.
>
I know how to add we can create inserts several rows using a SQL (editable report).
However the TBL_META_VALUE in the TBL_FILE_META column will sometimes be a selection list and other times one text box or a numeric field.
>
If the type if the item is variable, that doesn't mean that you have to type a way to store the item. Metadata of meta data.
>
So I don't see now a SQL (editable report) would work for this and I can't create a table of elements on the page running I can?
>
Yes, you can do it. Update report / query in a table can be built from the metadata using the SQL query that returns the PL/SQL function . It will be a bit of coding in PL/SQL where you use metadata and metadata of Meta data to restore your SELECTION with the right APEX_ITEMs. He might have a decrease in performance associated with it, but it will not be a serious degradation.
>
No idea how I might accomplish this? Is there a better way to do this?

It is a term or a name for what I'm doing by creating these "virtual" columns in another table?
I found this method looking at the workflow tables Oracles.
>
I guess it's just a good TNF. This is the master model / retail Design, sounding more modern? ;)

Kind regards

Tags: Database

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