Contents
How to select some fields as the primary key of an entity?
Aric Levin is correct. CRM will create its own GUID which is uses as unique identifier. But CRM also allows you to define your own Unique Key (which can be a single field or combination of fields) using the Alternate Key Mechanism. How to select some fields as the primary key of an entity?
How does entity list work in Microsoft Docs?
The entity list contains relationships to webpages and various properties to control the initialization of the list of records within the portal. The relationship to the webpage allows dynamic retrieval of the list definition for a given page node within the website.
How to make a list in ASP.NET?
The list is made up of a collection of SelectListItem type. The field storing the selected item holds the unique key for each entity. The unique key of the selected value will be the same as one of the elements of the SelectListItem.
How to create a list in Microsoft Docs?
Specify a CSS class or classes that will be applied to the HTML element that contains the entire grid area, including the grid and action buttons. Specify a CSS class or classes that will be applied to the list’s HTML element. Configures whether the Width values in the Override Column Attributes are specified in Pixels or Percent.
How does the primary key affect the sort order?
The following example shows how the primary key influences the sort order when a secondary key is active. The Customer table includes four entries (records), and the records in the Customer table have two fields: Customer Number and Customer Name. The following table includes the key list for the Customer table.
How are key and indexes used in Business Central?
Keys identify the rows by combining one or more columns of a table. SQL also uses indexes to speed up data retrieval from rows in a table. This article explains how to create keys and indexes for Business Central tables from AL code. In AL, a key definition is a sequence of one or more field IDs from a table.
How to create a primary key in SQL?
The following SQL creates a PRIMARY KEY on the “ID” column when the “Persons” table is created: To allow naming of a PRIMARY KEY constraint, and for defining a PRIMARY KEY constraint on multiple columns, use the following SQL syntax: Note: In the example above there is only ONE PRIMARY KEY (PK_Person).