![READ ONLY cursors now see data at time of OPEN [CR 466135]](arrow-left.gif){kind=icon}
![Support for Join_Preference hint on join equality conditions [CR 433686]](arrow-right.gif){kind=icon}
An ESD #1 enhancement optimizes queries involving columns that have a significant number of null values. Such queries now run faster. To support this query optimization, the process of inserting or updating data in a table may take longer (compared with previous releases) in cases where a significant number of NULL values are being inserted into the table.
