Instructions on creating a tree at apex4
Anyone know where I can find some really good instructions on creating a tree in the apex 4? I have 3 tables (projects, tasks, subtasks) that I try to do in a tree on an apex application.See this link for the information you are looking for: http://hitext.ru/i/doc/tree_query_create.htm#BABJAGJJ
Thank you
Tony Miller
Webster, TX
A lady came up to me on the street, pointed at my suede jacket and said: "do you not know that a cow was murdered for that jacket?
' I didn't know there are witnesses ', I replied: "now, I'll have to kill you too. '
Tags: Database
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--------------------------------------------
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Work: http://www.apex-evangelists.com
Author of Pro Application Express: http://tinyurl.com/3gu7cd -
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Fact the kata of Workflow:
You can find the new version so far best below...
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The user must click on a store name, which will be extended to show the employees in this shop
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and the code of my tree isCREATE TABLE GUS_SHOP_DETAILS ( SHOP_ID NUMBER, SHOP_NAME VARCHAR2(30), ADDRESS VARCHAR2(30), ZIP NUMBER, CITY_ID NUMBER ) CREATE TABLE GUS_EMPLOYEE ( EMP_ID NUMBER, LNAME VARCHAR2(30), FNAME VARCHAR2(30), SHOP_ID NUMBER, ZIP NUMBER )
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GusHello
I guess your CITY_ID column is a NUMBER.
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in the Data Warehouse database, can I create tree b index on the customer_id in the table customers-> very high cardinality
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Instead, you can create a bitmap index as you say, but know that bitmap indexes be locked during inserts. So they should not be used in environments OLTP concurrent transactions, or where you want to bulk load with the parallel flow data.
Anyway if I were in your shoes I would experiment with both. What problem are you trying to solve anyway? Just creating indexes for the good of them is not that constructive. A bitmap index is not very useful in itself. Bitmap indexes are intended to be used in combination with other clues bitmap on the same table, to determine which rows of data meet several conditions in a complex query. While you have the other index bitmap on this table? Already using part index bitmap of your strategy?
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John
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Thank you * cordially
CORINEDear Bernard,
Take on my detailed here measures
Re: Question about trees at APEXIf you answer this question, please mark the thread as closed and give points where won...
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Mahmoud -
creating trees, step - by - step
Anyone know how to make a tree easily or have a few instructions step by step.
I am trying to create a tree that will show the number of the project then low for task number and then the subtask number.
projects, tasks and subtasks are on separate tables.
Published by: KySarge1981 on August 16, 2010 10:40A tree comes from a single query that returns a hierarchy. You must work your tables in a query - with the help of a Union. You can create a tree by default, simply by using the EMP table, accepting the default values, and then replace the query with yours. The example tree below query selects all departments and then all employees in these departments. You design a query similar to the output of your data so that it contains the hierarchy you have described. You can run it in the SQL commands to view the output, you'll need.
select case when connect_by_isleaf = 1 then 0
when level = 1 then 1
else -1
end as status,
level,
d as title,
null as icon,
r as value,
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null as link
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start with parent is null
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the respect of
Eyal.
using labview, 2012.win 7.
Hi tst.
Wow... wow... wow
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