What is the use of index in Salesforce?
In the modern cloud application with a large data set like Salesforce, indexing is very important to allow an application to search and return results to users at a minimum time and cost. Indexing will also be used by query optimizer to gather the statistics of each index.
What is a custom index in Salesforce?
Two-column custom indexes are a specialized feature of the Salesforce platform. They are useful for list views and other situations in which you want to use one field to select the records to display and a second field to sort those records.
What does it mean when a field is indexed in Salesforce?
When a field is indexed, its values are stored in a more efficient data structure. This takes up more space but improves performance when at least two filters with indexed fields are used in a query. Fields that are indexed by default include: Primary keys: Id, Name, Owner, Email (contacts, leads)
What does it mean if a field is indexed Salesforce?
How to know if a field is indexed in Salesforce?
Notice that the Indexed column clearly indicates whether a field has an index. You might recall that the Salesforce documentation and the Database Query & Search Optimization Cheat Sheet note standard field indexes and certain types of custom fields that the Salesforce Platform indexes by default (e.g., Master-Detail fields).
How to create an index on a field?
The filter value includes null (for instance binding with a list that contains null) 2. Data skew exists whereby the number of matching rows is very large (for instance, filtering for a particular foreign key value that occurs many times) How do i get a salesforce to create an index on a field?
What do indexes in a database do for You?
Indexes in a database are like the index in a book–they help you find what you are looking for fast. When you’re designing filters for a report, list view, or SOQL query, you can confirm that your filter condition fields have indexes by checking the field lists on an object’s detail page.
How to create efficient list views in Salesforce?
Create efficient Salesforce reports, list views, and SOQL queries by including at least one selective filter condition that uses optimizable operators and references fields that have indexes.