The COUNT() method in SOQL (Salesforce Object Query Language) is used to count the number of records that meet specified criteria. It’s similar to the COUNT() function in SQL and is useful when you need to know the total number of records without retrieving all of them.
In SOQL (Salesforce Object Query Language), the COUNT(fieldName) function is used to count the number of non-null (non-empty) values in a specific field across a set of records. This function differs from the COUNT() function …
Here are highlights from article Difference Between Count() and Count(fieldName) in SOQL Query – Technical Potpourri from Sudipta Deb
1. Purpose of COUNT(fieldName)
– Counts the number of non-null values in a specified field.
– Useful for understanding how many records contain data for a field.
2. Difference from COUNT()
– COUNT(fieldName) focuses on non-empty values in a specific field.
– COUNT() tallies the total number of records, regardless of field values.
3. Use Cases
– When it’s necessary to know the number of records with a filled-in field.
– Helpful in data quality assessments or reporting on field utilization.
4. COUNT(expression)
– Evaluates a given expression for each record in a group.
– Returns the count of non-null results from the expression.
5. Importance in Data Analysis
– Allows for granular analysis of database fields.
– Aids in identifying patterns and trends related to field completion.
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