topic Re: QVD Data in QlikView https://community.qlik.com/t5/QlikView/QVD-Data/m-p/1048253#M352237 <HTML><HEAD></HEAD><BODY><P>As I understand it, the QVD will serve the data requested by the load script(s) into memory, it's not locking rows as per a relational database.</P></BODY></HTML> Fri, 29 Apr 2016 14:35:01 GMT ThornOfCrowns 2016-04-29T14:35:01Z QVD Data https://community.qlik.com/t5/QlikView/QVD-Data/m-p/1048252#M352236 <HTML><HEAD></HEAD><BODY><P>hey guys,</P><P></P><P>can you assist to share ur experience here on below scenario?</P><P></P><P>If we try to pull data from one abc.qvd into two xyz.qvws &amp; sdf.qvws(these tow .qvws are different applications) at same point of time(exp:@10am shceduled),what will be happen in real time?</P><P></P><P>Qvd will fail to produce data to two .qvws or lock?</P><P></P><P>thanks</P></BODY></HTML> Fri, 29 Apr 2016 14:27:27 GMT https://community.qlik.com/t5/QlikView/QVD-Data/m-p/1048252#M352236 buzzy996 2016-04-29T14:27:27Z Re: QVD Data https://community.qlik.com/t5/QlikView/QVD-Data/m-p/1048253#M352237 <HTML><HEAD></HEAD><BODY><P>As I understand it, the QVD will serve the data requested by the load script(s) into memory, it's not locking rows as per a relational database.</P></BODY></HTML> Fri, 29 Apr 2016 14:35:01 GMT https://community.qlik.com/t5/QlikView/QVD-Data/m-p/1048253#M352237 ThornOfCrowns 2016-04-29T14:35:01Z Re: QVD Data https://community.qlik.com/t5/QlikView/QVD-Data/m-p/1048254#M352238 <HTML><HEAD></HEAD><BODY><P>I have never tested it by reading a qvd (writing will be definitely be locked) but I think in general you should avoid such situations.</P><P></P><P>- Marcus</P></BODY></HTML> Fri, 29 Apr 2016 14:37:02 GMT https://community.qlik.com/t5/QlikView/QVD-Data/m-p/1048254#M352238 marcus_sommer 2016-04-29T14:37:02Z Re: QVD Data https://community.qlik.com/t5/QlikView/QVD-Data/m-p/1048255#M352239 <HTML><HEAD></HEAD><BODY><P>You can read from qvd's simultaneously afaik. But if the qvd is written to then it is locked by the writing process and cannot be read by another process.</P></BODY></HTML> Fri, 29 Apr 2016 14:42:08 GMT https://community.qlik.com/t5/QlikView/QVD-Data/m-p/1048255#M352239 Gysbert_Wassenaar 2016-04-29T14:42:08Z