Using SQLite in Windows Phone 8 - relations and queries


I am working on a Windows Phone 8 App (C#) that will use SQLite with the Native wrapper. I have it set up and working, but I haven't found much documentation except how to download it and add basic tables. Therefore, I have a few questions:

<ol><li>Is there any way to specify relations between objects?</li> <li>Is it possible to do Complex SQL queries using the QueryAsync() method? I would like to do a query that joins multiple tables and does a LIKE operator to search for matching entries.</li> </ol>



I am assuming you are using <a href="https://github.com/praeclarum/sqlite-net" rel="nofollow">SQLite-net</a> along with <a href="https://github.com/peterhuene/sqlite-net-wp8" rel="nofollow">SQLite-net-wp8</a> for native SQLite access in wp8.


Is there any way to specify relations between objects?


Unfortunately no. However, you can specify [Indexed] attribute on your foreign keys for performance. Of course, you can always pre-build your tables using SQL scripts in which case you can specify relations.


Is it possible to do Complex SQL queries using the QueryAsync() method? I would like to do a query that joins multiple tables and does a LIKE operator to search for matching entries.


You can build complex queries but you have to execute SQL scripts for joins as the library doesn't support that yet.

<pre class="lang-cs prettyprint-override">string myQuery = "...."; var result = await db.QueryAsync<MyTableType>(myQuery, myParams);


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