Hey all I am trying to do a subquery in linq but the subquery is a value and it seems to not be working, can anyone help out? I am using the entit frame work I keep getting and int to string error not
I have two tables. Table A has an id column. Table B has an 开发者_运维知识库Aid column and a type column. Example data:
I\'m doing a statistic job like this: SUM|COND1 |COND2 |... -------------------------- 100|80| 70|... The SUM result is calculated from multiple tables, and the CONDs are subset of that.
Is it allowed to reference external field from nested select? E.g. SELECT FROM ext1 LEFT JOIN (SELECT * FROM int2 WHERE int2.id = ext1.some_id ) as x ON 1=1
I am trying to write the following query on postgresql: select name, author_id, count(1), (select count(1)
i am trying to figure out how to write a linq query that will return a child collections \"name\" property as a string.
Please explain. a) \"subquery factoring\" is used to replace a non-correlated subquery. What about correlated subquery? Is there any way to move a correlated sub-query to \'WITH\' clause section?
i have two entities named Parent and Child, linked in a one-to-many relationship. The Child entity has a boolean isStudent property.
Is there a way to compare a list of numbers to a SQL subquery something like WHERE 9,10,11 = (SELECT tableID FROM ....)
Hi i have tables like this : table entry : id|total_comments _____________________ 1|0 2|0 3|0 4|0 table comments :
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