I have two tables, TableA and TableB. I need to select one count value from TableA, based on a where condition.
Anyone know any speed differences between Where and FindAll on List. I know Where is part of IEnumerab开发者_如何学Gole and FindAll is part of List, I\'m just curious what\'s faster.The FindAll method
I wanted to know what is better performance-wise: to开发者_开发问答 put the conditions in the JOIN? (x JOIN y on x.hi = y.hi AND ....) or maybe to put it under the WHERE, and leave the JOIN only with
I have a mysql table with 9 million records that doesn\'t have any indices set.I need to join this to another table based on a common ID.I\'m going to add an index to this ID, but I also have other fi
Can anyone give me some examples to make que开发者_StackOverflow社区ry which has more than one WHERE statements please?
Client compiled with OCI: 10.2.0.4.0 Server: Oracle9i Enterprise Edition Release 9.2.0.4.0 The problematic query is:
EDIT:That was fast. The reason why I have this is because the table is a pivot table between 2 tables one has \"id\" as primary key and the other \"type\" primary key
Original I don\'t get why the Where() clause doesn\'t give me the right results in the last example. It isn\'t any different is it? Why does C# behaves differently?
I need to create a query which checks if a field (string) contains one or more words supplied at run time.
Yesterday my friend asked me a question about this query: select * from user where 1=1 I said that the query is incorrect, but he said i开发者_开发技巧t\'s correct. I don\'t understand how this qu