What is queryMore in Salesforce?

What is queryMore in Salesforce?

queryMore() Retrieves the next batch of objects from a query() .

How do I query more than 10000 records in Salesforce?

You could use batch apex, and it is the only way by which you can query some millions of records without hitting the governor limits. You can find the document for writing batch apex here. Thanks. you can fetch the records in batches in 200 (the implicit query more pattern).

What is Security_enforced in Apex?

WITH SECURITY_ENFORCED applies field- and object-level security checks only to fields and objects referenced in SELECT or FROM SOQL clauses and not clauses like WHERE or ORDER BY . In other words, security is enforced on what the SOQL SELECT query returns, not on all the elements that go into running the query.

How do I write a script in Salesforce?

Set up your script by choosing the Salesforce object and the fields you want to enter data into. After you enter the data, run the script to upload the data to Salesforce. Click the File tab, and then click New. Click Create.

How do I query more than 50000 records in Salesforce?

You cannot retrieve more than 50,000 records your SOQL calls in a single context. However, with Batch Apex your logic will be processed in chunks of anywhere from 1 to 200 records in a batch. You’d need to modify your business logic to take the batching into account if necessary.

What is the difference between query and QueryAll in Salesforce?

Unlike the Query resource, QueryAll returns records that are deleted because of a merge or delete. QueryAll also returns information about archived task and event records. QueryAll is available in API version 29.0 and later.

How many batch classes we can run at the same time?

You can only have five queued or active batch jobs at one time.

What is Database getQueryLocator in Salesforce?

getQueryLocator returns a Query Locator that runs your selected SOQL query returning list that can be iterated over in bathc apex or used for displaying large sets in VF (allowing things such as pagination).

What is without sharing in Apex?

Without Sharing means you are disabling or ignoring sharing rules. It is the default for an Apex class. If a class is run through Execute Anonymous or in Chatter it will run “With Sharing”.

What is schema sObjectType in Salesforce?

A Schema. sObjectType object is returned from the field describe result using the getReferenceTo method, or from the sObject describe result using the getSObjectType method.

Is Apex coding easy?

Learning Apex will not be easy but you can do it. Persevere! It is a journey that will make you smarter and more desirable on the job market. The use of the above 4 resources combined with the 2 tools and 3 attitudes will bring triumph to your clutch.

What are scripts on Apex?

A link to a JavaScript library that can be used in the Visualforce page. When specified, this component injects a script reference into the element of the generated HTML page.

What is database getQueryLocator in Salesforce?

How many records SOQL can return in one transaction?

50,000
The total number of records that can be returned by SOQL queries in a request is 50,000. If returning a large set of queries causes you to exceed your heap limit, then a SOQL query for loop must be used instead.

What is the use of database getQueryLocator?

What is the difference between database query () and database getQueryLocator?

Database. query() is used to construct dynamic query instead of using SOQL query where as Database. getQueryLocator() is the return type of start method of a Batch class.

How many callouts are in a batch Apex?

100 callouts
A single Apex transaction can make a maximum of 100 callouts to an HTTP request or an API call. The default timeout is 10 seconds. A custom timeout can be defined for each callout.

Can we call future method in batch apex?

Interviewee: No you can’t, because Calling a future method is not allowed in the Batch Jobs.

Why do we use database getQueryLocator?

Can I have constructor with parameters in Apex?

In Apex, a constructor can be overloaded , that is, there can be more than one constructor for a class, each having different parameters.