What is the difference between lastmodifieddate and systemmodstamp?

What is the difference between lastmodifieddate and systemmodstamp?

So potentially the mod time can be > the success time if it happens slowly enough in SF to be > than the timestamp in the remote system. LastModifiedDate is the date and time when a record was last modified by a user, and SystemModstamp is the date and time when a record was last modified by a user or by an automated process (such as a trigger).

What does sysdatetimeoffset do in SQL Server?

SYSDATETIMEOFFSET ( ) Returns a datetimeoffset(7) value containing the date and time of the computer on which the instance of SQL Server runs. The returned value includes the time zone offset.

What are date formats and date literals in soql?

Date Formats and Date Literals In a SOQL query you can specify either a particular date or a date literal. A date literal is a fixed expression that represents a relative range of time, such as last month, this week, or next year. In a SOQL query you can specify either a particular date or a date literal.

Can You filter only on datetime fields in SOSL?

If you specify a dateTime format in a query, you can filter only on dateTime fields. Similarly, if you specify a date format value, you can filter only on date fields. The zone offset is always from UTC. For more information, see: For a fieldExpression that uses date formats, the date is not enclosed in single quotes.

They are both system fields that store date and time values for each record. LastModifiedDate is automatically updated whenever a user creates or updates the record. LastModifiedDate can be imported with any back-dated value if your business requires preserving original timestamps when migrating data into Salesforce.

When does lastmodifieddate update in Salesforce.com?

LastModifiedDate is automatically updated whenever a user creates or updates the record. LastModifiedDate can be imported with any back-dated value if your business requires preserving original timestamps when migrating data into Salesforce.

When to use index or lastmodifieddate in soql?

However, the query optimizer cannot use the index if the SOQL query filter uses LastModifiedDate to determine the upper boundary of a date range because SystemModStamp can be greater (i.e., a later date) than LastModifiedDate. This is to avoid missing records that fall in between the two timestamps. Let’s work through an example to make this clear.

How to add a skinny table to lastmodifieddate?

Use a custom date field: Use workflow field updates or triggers to copy the LastModifiedDate value, then contact Support to request adding a custom index on the custom field. Then, use that as your filter. Add a skinny table: If you have performance issues due to large data volume, consider adding a skinny table.

When does lastmodifieddate get updated in Salesforce?

LastModifiedDate is automatically updated whenever a user creates or updates the record. LastModifiedDate can be updated to any back-dated value if your business requires preserving original timestamps when migrating data into Salesforce. SystemModStamp is strictly read-only.

When to use date literals in soql query?

The same logic applies when using date literals. As a reminder, if you have one or more selective filters in your SOQL, the query optimizer can use that as the leading filter, so your query will perform well even if you have a non-optimal LastModifiedDate filter defining the upper boundary of a date range.