What is master detail in Oracle APEX?

What is master detail in Oracle APEX?

A master detail form in Oracle Apex reflects a one-to-many relationship between two tables in a database. Typically, a master detail form displays a master row and multiple detail rows. One of the reasons to create a separate page is to easily edit the detail records.

How do I create a master detail in Apex?

Follow these steps in Oracle Apex to create a master-detail form:

  1. Step 1: Create a form using wizard.
  2. Step 2: Specify Page Titles and Page Types.
  3. Step 3: Specify Navigation Menu Entry.
  4. Step 4: Specify the Table name.
  5. Step 5: Define Primary Key for Master Table.
  6. Step 6: Create a Region for Detail Table.

What is master detail form in Oracle?

Overview. The lesson guides you through many of the tasks that you must perform when using Oracle Forms Builder to create a master-detail form. You use the Data Block Wizard to quickly generate the master and detail blocks, then you add a control block (one with no base table items) to the form.

What is a master detail form?

Master-detail forms display a master row and multiple detail rows within a single HTML page. With this form, users can query, insert, update, and delete values from two tables or views. The tables or views are joined together in the wizard by a SQL JOIN condition.

How do I create a master detail relationship in Oracle forms manually?

In this case, the relationship will be specified manually. De-select the Auto-join data blocks option. Click on the Create Relationship button to list the available data blocks. In the next dialog box Relation Type, choose Based on a join condition and click the OK button.

What is a master detail relationship Salesforce?

Master-Detail Relationship in Salesforce is a parent-child relationship in which the master object controls certain behaviors of the detail object. When a record of the master object is deleted, its related detail records are also deleted.

What is master-detail table?

Master-Detail Tables is an add-on for wpDataTables which allows you and your site visitors to see details for each row with a simple click.

What is master-detail SQL?

A Master/Detail query is a form of the attached query that selects data into the simple fields of a form (the master row) and also into a table field (the detail rows), then displays a submenu of operations that can be carried out for each master row selected.

What is difference between master detail and lookup?

A typical use of a Master-Detail would be the classic Sales Order and Sales Order Items objects. Lookups are generally for use where you may or may need to have a relationship between two objects (but not always). Lookups are generally used to reference commonly shared data, such as reference data.

What is the difference between lookup and MDR?

The Salesforce lookup relationship has no relation with other records. It does not depend on any other objects, whereas a master-detail relationship has an association with other records. On the other hand, the lookup relationship is just a reference. It can be even blank or NULL.

What is Template FMB in Oracle Apps r12?

fmb:- It is a collection of standard objects like triggers, canvas, windows, blocks, LOV. TEMPLATE. fmb:- It has sample block, canvas, window, libraries. This form inherits objects properties from APPSTAND.

What is Report master-detail?

A Master-Detail report is used to display data from a hierarchical data source. When building a master-detail report, lists are used to display detailed subreports within master rows. Contents of the list repeat for each row in the master.

What is a master-detail relationship?

A master-detail relationship defines the relationship between the parent and the child. The master table defines the parent relation and the detail defines the child relation. If the master table is deleted then the child record data is also deleted. The RUS(Roll-Up Summary) fields are also created on master records.

How do I create a master-detail table in SQL?


  1. Design schema. Design the schema which encompasses creating each table with auto-incrementing primary keys so that each table can be related.
  2. Populate tables. Populate the three tables with data.
  3. Create SQL Statements.
  4. Create data class.
  5. Load event in form.

Can we convert master detail to lookup?

You can convert the master detail relationship to look up by editing that particular field go to that field ->change data type-> select look up relationship. Note that You can convert a master-detail relationship to a lookup relationship as long as no roll-up summary fields exist on the master object.

When should you use a lookup instead of a master detail relationship?

Can we convert lookup to master detail?

You can convert a lookup relationship to a master-detail relationship, but only if the lookup field in all records contains a value. And also We can convert the lookup relationship to master detail relationship only if all the existing record has valid lookup field values.