What is the use of indexing 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.
How do I enable indexing 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.
Which fields are automatically indexed in Salesforce?
Fields that are automatically indexed in Salesforce are:
- RecordTypeId.
- Division.
- CreatedDate.
- Systemmodstamp (LastModifiedDate)
- Name.
- Email (for contacts and leads)
- Foreign key relationships (lookups and master-detail)
- The unique Salesforce record ID, which is the primary key for each object.
What is Best Practices for SOQL in Salesforce?
SOQL Best Practices SOQL SOSL Uses query() call on Database Uses search() on Search Indexes Use: when we know which sObjects and Fields the data resides Use: when we don’t know which sObjects and Fields the data risides and want to find it in the most efficient way possible Want to: Retrieve data from a single sObject …
How do I improve SOQL performance?
The performance of the SOQL query improves when two or more filters used in the WHERE clause meet the mentioned conditions. The selectivity threshold is 10% of the records for the first million records and less than 5% of the records after the first million records, up to a maximum of 333,000 records.
How do I optimize SOQL queries?
Efficient SOQL Queries
- Apply logic inside queries.
- Consider using SOSL for faster search.
- Avoid using comparison operators with Text fields.
- Explicitly filter out Null values.
- Make SOQL queries Selective by applying indexed search.
- Apply Sort Optimization.
- Avoid filtering on NULL values.
- Consider using skinny tables.
What are types of Indexing?
There are primarily three methods of indexing:
- Clustered Indexing.
- Non-Clustered or Secondary Indexing.
- Multilevel Indexing.
Which feature in Salesforce can be used to optimize SOQL performance?
The Force.com Query Optimizer Like most cost-based query optimizers, the one that Salesforce uses relies on statistics gathered about the data. Most statistics are gathered weekly, but the system also generates pre-queries that are cached every hour. The Query Optimizer evaluates SOQL queries and SOSL searches.
What are 2 major difference between SOQL and SOSL?
There are two different types of search languages in Salesforce….Difference between SOSL and SOQL search types.
| SOQL | SOSL | |
|---|---|---|
| Search Focus: | Accuracy. Gives full set of results that match criteria. | Relevance & Speed. Similar to Google Search. Weightage placed on recently viewed records. |
| Search Scope | Can search 1 object at a time. | Can search multiple objects at a time. |
How do I bypass too many SOQL queries 101 in Salesforce?
Resolve the “Too many SOQL queries: 101” error To fix the issue, change your code so that the number of SOQL fired is less than 100. If you need to change the context, you can use @future annotation which will run the code asynchronously.
What is soql in Salesforce?
SOQL is similar to the SELECT statement in the widely used Structured Query Language (SQL) but is designed specifically for Salesforce. Use the Salesforce Object Search Language (SOSL) to construct text-based search queries against the search index.
How do I create custom indexes in Salesforce sandbox?
Salesforce supports custom indexes to speed up queries, and you can create custom indexes by contacting Salesforce Customer Support. The custom indexes that Salesforce Customer Support creates in your production environment are copied to all sandboxes that you create from that production environment.
How do I search for a specific article in Salesforce?
Use the Salesforce Object Search Language (SOSL) to construct text-based search queries against the search index. Filter on a single value of PublishStatus for best results. To find all versions of each article, omit the PublishStatus filter, but do filter on one or more primary key IDs.
How do I use soql in apex?
SOQL uses the SELECT statement combined with filtering statements to return sets of data, which can optionally be ordered: Apex requires that you surround SOQL and SOSL statements with square brackets to use them in your statements.