Can a soql query be included in a for loop?
With a SOQL for loop, you can include a SOQL query within a for loop. The results of a SOQL query can be iterated over within the loop. SOQL for loops use a different method for retrieving records—records are retrieved using efficient chunking with calls to the query and queryMore methods of the SOAP API.
How to run soql queries in Salesforce trailhead?
In the Developer Console, open the Execute Anonymous window from the Debug menu. Insert the below snippet in the window and click Execute. The Developer Console provides the Query Editor console, which enables you to run your SOQL queries and view results. The Query Editor provides a quick way to inspect the database.
What kind of query language does Salesforce use?
Salesforce provides the Salesforce Object Query Language, or SOQL in short, that you can use to read saved records. SOQL is similar to the standard SQL language but is customized for the Lightning Platform. Because Apex has direct access to Salesforce records that are stored in the database, you can embed SOQL queries in your Apex code
How to work with very large soql queries?
Working with Very Large SOQL Queries Your SOQL query sometimes returns so many sObjects that the limit on heap size is exceeded and an error occurs. To resolve, use a SOQL query for loop instead, since it can process multiple batches of records by using internal calls to query and queryMore.
How are soql queries embedded in Apex code?
When SOQL is embedded in Apex, it is referred to as inline SOQL. To include SOQL queries within your Apex code, wrap the SOQL statement within square brackets and assign the return value to an array of sObjects. For example, the following retrieves all account records with two fields, Name and Phone, and returns an array of Account sObjects.
Which is the best way to test soql queries?
The Query Editor provides a quick way to inspect the database. It is a good way to test your SOQL queries before adding them to your Apex code. When you use the Query Editor, you must supply only the SOQL statement without the Apex code that surrounds it.
How to retrieve all accounts whose names start with SFDC?
For example, you can retrieve all accounts whose names start with SFDC by using this condition: WHERE Name LIKE ‘SFDC%’. The % wildcard character matches any or no character. The _ character in contrast can be used to match just one character.