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What are the different types of query objects?
A query object is comprised mainly of two different types of elements: dataitems and columns. A dataitem specifies the table to retrieve records from. A column specifies a field of the table to include in the resulting dataset of a query. The basic steps to create a query object are as follows:
How to retrieve data from multiple objects in one query?
Try install this app from appexchange ,it has only 7 -8 Scontrol means webpage which will help you to built query from multiple object on click . Once you will install this you will get AjaxExplorer on etab in this app .
How to merge data from multiple queries in one report?
In order to use data from multiple queries in a single report, all of the queries must have at least one dimension object in common, for example, EmplID or DeptID. You must connect (merge) at least one dimension object from the first data provider with a dimension object from the other (s).
Can a query get data from both database and application?
You cannot run a query that gets data from both the application database and the business data database. This also applies to single-tenant deployments so that you do not have to rewrite queries if you decide to export the application.
What are sobject types in Force.com database?
Sobjects are standard or custom objects that stores record data in the force.com database. There is also SObject datatype in apex that is the programmatic r Sobjects are standard or custom objects that stores record data in the force.com database. There is also SObject datatype in apex that is the programmatic r Salesforce Tutorial
How to assign a list variable to a sobject?
You can assign a List variable directly to the results of a SOQL query. The SOQL query returns a new list populated with the records returned. Make sure that the declared List variable contains the same sObject that is being queried.
How to create a query object in Microsoft Docs?
You create a query by adding a Query object file to your project. In the Query object, you define dataitem and column elements in the elements section. The dataitem element specifies the table to retrieve records from. The column element specifies a field of the table to include in the resulting dataset of a query.