Im trying to map two objects with NHibernate This is my first object \"Asociado\" composed by \"Justificaciones\", next to it is \"Justificacion\" which has a composed key
Say there is a composite key on col1,col2,col3,col4 for a table, when I use col2,col3 in an sql query index is not firing and is going for full table scan.(Reason could be col2,col3 may not be driving
I don\'t know if I\'m missing something obvious, but I really want to grab names of clients associated with a composite key.
I need to create a table containing two attributes: id and author. These two attributes form the composite key. Moreover I need to perform an index search on the author field.
i have a table with two foreign keys as composite key. ActivityTbl - (activityNbr(PK), supervisor(FK), status, type, startDate, endDate, location )
I have matching Btree indices on 2 tables, but the explain plan says the engine is doing a full scan on one of the tab开发者_如何学Cles and it is very slow. When deployed both will start with ~750,000
I\'m trying to use grails with an existing old style legacy db. I have composite keys everywhere (PK and FK) and... more FK sharing the same table column. An example:
I currently have a schema set up with my database and Java Application using OpenJPA that works most of the time, but sometimes I get the error for a few users:
I am using DB2 DBMS. Scenario 1: myTable has a composite key (key1, key2) where both key1 and key2 are foreign keys from yourTable.
I\'m having a problem using WCF Data Services for an entity that has a composite primary key. I\'m using the Silverlight 4 Business Application Template and have created an Entity Data Model (EDM) aga