Oracle error: How do you change forms Datablock data type of query?
Hey Experts.
I am a newbie in Oracle Forms.
I have a problem regarding the block of data in database.
I need to change the data by NO block due to the overflow of information in our database.
Question is how/where can I start to change/modify the codes?
Thanks in advance!
Bellerose
Baski101 wrote:
...
I deleted the relationship between the blocks and the module is now running. I want to ask you the questions and following...
1. What does the relationship your datablock/s? It runs now, but I want to know why.
2 How/where you start updating of the DEFAULT_WHERE clause? I mean, I have to create another program unit and ignore the 'old'? Change the units of the old program? Where and what I remove/add?
...
Question 1: A relationship only applies to "Base table data blocks." Relationships allow synchronizations between master and detail of data blocks. Basically, this means that when you select a record in the block Master, the retail block will automatically display folders related to the selected record of the master. In earlier versions of Oracle Forms, the developer had to manually perform this synchronization.
Question 2: Connection to block non-database - you do not use the DEFAULT_WHERE property. For blocks of the Base Table, it depends on your needs. For example, if your form has a search function and shows you a canvas "before" that allows the user to enter criteria for the search, and the user then had to click a button to perform the search, you would put your code in triggering When button button. If your username is simply the form view application [for example: Forms 6i and earlier - F7 (enter query) or F8 (run the query) and Forms 9i or higher - F11 (enter query) or Ctrl + F11 (run the query)] then there is no need to change the DEFAULT_WHERE because the forms accomplishes this task for you. Another example would be - if you have a block of the base table, but the user has the ability to use the elements in array to another basic search - you can use the motion of a block of the base table to change the selected property DEFAULT_WHERE to use the elements of the other base table to filter your data.
I hope this helps.
Craig...
Tags: Oracle Development
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