What does indexed mean in salesforce


An indexed field is stored in the database in a way that supports quick retrieval. This optimizes report generation, list views, and other requests…sometimes. What makes a good index candidate is pretty advanced. Salesforce automatically analyzes performance and periodically assigns fields to be indexed.

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)Aug 10, 2016


What is custom indexing in Salesforce?

Salesforce also supports custom indexes on custom fields, except for multi-select picklists, text areas (long), text areas (rich), non-deterministic formula fields, and encrypted text fields. External IDs cause an index to be created on that field. The query optimizer then considers those fields.

What fields are indexed by default in Salesforce?

The fields indexed by default include: Primary Keys: Id, Name, Owner, Email (Contacts, Leads). Custom indexes created by Salesforce Customer Service in your production environment are copied to any sandbox that you create from that production environment. The platform maintains indexes in the following fields for most of the objects.

What happens when a field is indexed in a database?

When a field is indexed, its values are stored in a more efficient data structure. This takes up more space but improves performance when using two or more filters with indexed fields in a query.

What are external IDs in Salesforce?

External IDs cause an index to be created on that field, which is then considered by the Force.com query optimizer. External IDs can be created on only the following fields. To create custom indexes for other field types, including standard fields, contact salesforce.com Customer Support


What is the use of indexed 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 does indexing a field mean?

What is indexing? Indexing is a way of sorting a number of records on multiple fields. Creating an index on a field in a table creates another data structure which holds the field value, and a pointer to the record it relates to. This index structure is then sorted, allowing Binary Searches to be performed on it.

How do I know if a field is indexed in Salesforce?

Identifying Salesforce fields that have an index 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. Notice that the Indexed column clearly indicates whether a field has an index.

What fields are indexed by default in Salesforce?

The following fields are indexed by default:Primary keys (ID, Name, and Owner fields).Foreign keys (lookup or master-detail relationship fields).Audit dates (such as SystemModStamp).Custom fields marked as External ID or Unique.

What is the primary purpose of creating an index?

Indexes are used to quickly locate data without having to search every row in a database table every time a database table is accessed. Indexes can be created using one or more columns of a database table, providing the basis for both rapid random lookups and efficient access of ordered records.

Why would you set an index on a field?

You can use an index to help Access find and sort records faster. An index stores the location of records based on the field or fields that you choose to index. After Access obtains the location from the index, it can then retrieve the data by moving directly to the correct location.

How do I make a field an indexed field in Salesforce?

If this is the standard Account Number field, it will already be indexed by Salesforce. If it is a custom field you have added, you can self-service an index on a field by making it an “External ID” – click through the setup menu to customise the field and select the option from General Options.

How do I edit an indexed field in Salesforce?

After you’ve created the index, you can’t edit or delete it. To change the index, you must start over with a new big object. Design your index so that you assign the most frequently used field in a query filter to Index Position 1.

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 situations where you want to use one field to select records to display and another field to sort them.

How is indexing done?

Indexes are created using a few database columns. The first column is the Search key that contains a copy of the primary key or candidate key of the table. These values are stored in sorted order so that the corresponding data can be accessed quickly. Note: The data may or may not be stored in sorted order.

Can formula field be indexed?

Formula fields are only evaluated when the record is actually opened and cannot be indexed for that reason. You can populate a lookup field from another object or using workflow you can populate a text field.

What is index in big object Salesforce?

The index defines the composite primary key for a custom big object and is used for querying and filtering the big object data. Each big object requires an index. To create an index, you must have at least one required custom field defined on the big object. See Considerations When Creating an Index for more details.

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Standard Indexed Fields

I was recently doing some consulting for a company that works with Salesforce managed packages . They’d come across a problem that had turned into one heckuva knot they were having trouble unraveling. Turns out the issue had to do with some obscure details about Salesforce indexing of fields on its standard objects.

What happens if I need more indexed fields in Salesforce?

By default your primary keys, forgeign keys, custom fields marked as External Ids/Unique along with the system audit dates (like last modified) are indexed. If you have a specific field that you need indexed, you can reach out to Salesforce support.

What is an index field in Salesforce?

What makes a good index candidate is pretty advanced. Salesforce automatically analyzes performance and periodically assigns fields to be indexed.

Can you change the picklist field type?

With all the options for picklist fields, rest assured you can change the field type when necessary. For example, if you have a custom picklist field and decide you want to make it a multi-select picklist, you can do that.


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