Detect updates and prevent data loss with versioning
ETag
response header.
If you only want to get the current version of a table without performing any other operation, use the Get Rows Version endpoint. You can poll this endpoint to detect changes to the table.
If-Match
header. How this value is interpreted depends on the endpoint:
If-Match
header.If-Match
header. The update is still allowed if another row in the table was modified since the specified version.412 Precondition Failed
response is returned if the condition is not met.