SQL Passthrough Expression Lock as a Stepping Stone to Success

The single row insert acquires an X (exclusive) lock on the new row. The SELECT attempts to acquire a range-shared, key shared ( RangeS-S ) ... If you are using SAS Enterprise Guide, go to Tools > View Open Data Sets, from there you can close any of the open datasets listed. Using SQL passthru against SPD Server for an UPDATE statement can result in two different messages if the record is locked. ERROR: A lock is not available for X.DATA. ERROR: Lock held by process 23243. How may I unlock the table above by accessing the other session or ... If there is not enough FREE memory then SQL cannot page(store) it in memory and in that case Nolock will not help you at all because it must read from Disk ... *args collects additional positional arguments into a tuple, not a list. The arguments are accessible using tuple indexing and iteration. def ... The requester of a spinlock repeats its request if the lock is not immediately available. (That is, the requester “spins” on the lock until it ... You have opened an UpdateCursor and looped through the records which is applying a lock ... These is no need to "calculate" these fields if there ... Since GET_LOCK() establishes a lock only on a single mysqld, it is not suitable for use with NDB Cluster, which has no way of enforcing an SQL lock across ... ... not available in Athena. Using passthrough queries can reduce the amount of data processed by Athena and result in faster query times. For more information ...