Slaesforce FAQ

what is dynamic soql in salesforce

by Preston Balistreri Published 2 years ago Updated 2 years ago
image

Dynamic SOQL refers to the creation of a SOQL string at run time with Apex code. Dynamic SOQL enables you to create more flexible applications. For example, you can create a search based on input from an end user or update records with varying field names.

Full Answer

What is dynamic soql in Salesforce apex?

Dynamic SOQL refers to the creation of a SOQL string at run time with Apex code. Dynamic SOQL enables you to create more flexible applications. For example, you can create a search based on input from an end user or update records with varying field names.

What is the difference between soql and dynamic soql?

Dynamic SOQL enables you to create more flexible applications. For example, you can create a search based on input from an end user, or update records with varying field names.....this is the major difference between soql and dynamic soql dynamic query looks like this...

How do I create a dynamic soql query at run time?

To create a dynamic SOQL query at run time, use the database query method, in one of the following ways. Return a single sObject when the query returns a single record: sObject s = Database.query(string_limit_1); Return a list of sObjects when the query returns more than a single record:

How to check the performance of a Salesforce dynamic query?

Atleast salesforce never stated that. Well to check the performance, you can always write a testClass which inserts records in bulk and queries the same using a Dynamic Query and a Static Query. Check the query execution time and I guess you will have the answer.

image

What is dynamic and static SOQL in Salesforce?

Static SOQL is one which you write in square brackets. It is good to use when you didn't have any dynamic changes in the soql query. Dynamic SOQL refers to the creation of a SOQL string at runtime with Apex code.

How do I run a dynamic query in SOQL?

As stated above, SOQL Dynamic Query uses the query method and this can be executed to return a single sObject or a list of sObjects. To use the query method in executing a single sObject so the query returns a single record, use this code: sObject s = Database. query(string_limit_1);

What is dynamic apex in Salesforce?

Dynamic Apex enables developers to create more flexible applications by providing them with the ability to: Access sObject and field describe information. Describe information provides metadata information about sObject and field properties.

What is asynchronous SOQL?

Async SOQL is a method for running SOQL queries when you can't wait for immediate results. These queries are run in the background over Salesforce big object data. Async SOQL provides a convenient way to query large amounts of data stored in Salesforce. Available in: both Salesforce Classic and Lightning Experience.

What is database QueryLocator in Salesforce?

QueryLocator object when you are using a simple query (SELECT) to generate the scope of objects used in the batch job. If you use a querylocator object, the governor limit for the total number of records retrieved by SOQL queries is bypassed but we can retrieve up to 10,000 records.

How many possible data types can a SOQL query return?

When used in Apex code, a SOQL query can return three type of result: a list of sObjects, a single sObject, or of Aggregate Results.

What is static SOQL?

Static SOQL is one which you write in square brackets. It is good to use when you didn't have any dynamic changes in the soql query. For e.g when the fields names or where conditions is needed to be defined dynamically we didn't use statis soql. Then we need to use dynamic soql. Dynamic SOQL is dynamic query creation.

What is dynamic DML in Salesforce?

In addition to querying describe information and building SOQL queries at runtime, you can also create sObjects dynamically, and insert them into the database using DML. To create a new sObject of a given type, use the newSObject method on an sObject token.

What is schema in Salesforce?

Schema Builder is a dynamic environment provided by Salesforce for viewing and modifying all the objects and relationships in your organization. The tool simplifies the task of designing, implementing, and modifying your data model, or schema. It's also a helpful way for understanding complex Salesforce data models.

What is async query?

Asynchronous execution An asynchronous query execute call does not block for results. Instead, a future is immediately returned from the asynchronous execute call. A future is a placeholder object that stands in for the result until the result is returned from the database.

What is SOSL Salesforce?

Salesforce Object Search Language (SOSL) is a Salesforce search language that is used to perform text searches in records. Use SOSL to search fields across multiple standard and custom object records in Salesforce. SOSL is similar to Apache Lucene.

What is the SOQL limit in a single transaction?

1,100This cumulative limit is 11 times the per-namespace limit. For example, if the per-namespace limit for SOQL queries is 100, a single transaction can perform up to 1,100 SOQL queries....Per-Transaction Certified Managed Package Limits.DescriptionCumulative Cross-Namespace LimitTotal number of SOQL queries issued1,1005 more rows

Dynamic SOQL Considerations

You can use simple bind variables in dynamic SOQL query strings. The following is allowed:

SOQL Injection

SOQL injection is a technique by which a user causes your application to execute database methods you did not intend by passing SOQL statements into your code. This can occur in Apex code whenever your application relies on end user input to construct a dynamic SOQL statement and you do not handle the input properly.

Ankit

What is Dynamic SOQL in Salesforce? How is it different from Normal Static SOQL?

Manpreet

Static SOQL is one which you write in square brackets. It is good to use when you didn't have any dynamic changes in the SOQL query.

What is dynamic SOSL?

Dynamic SOSL refers to the creation of a SOSL string at run time with Apex code. Dynamic SOSL enables you to create more flexible applications. For example, you can create a search based on input from an end user, or update records with varying field names.

What is SOSL injection?

SOSL injection is a technique by which a user causes your application to execute database methods you did not intend by passing SOSL statements into your code. A SOSL injection can occur in Apex code whenever your application relies on end-user input to construct a dynamic SOSL statement and you do not handle the input properly.

What is SOSL with snippet?

To provide more context for records in search results, use the SOSL WITH SNIPPET clause. Snippets make it easier to identify the content you’re looking for. For information about how snippets are generated, see WITH SNIPPET in the SOQL and SOSL Reference.

image
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9