SQLite «

8
Jun/100

7 rules to work with highest performance in SQLite databases in Adobe AIR/Flex

This article shows 7 rules how to get out the most of your SQLite application in AIR:

Create VO’s (value objects or classes) for each query extending a VO with contains at least the “ROWID”
Always use SQLStatement.itemClass and to query for an object – it automatically casts the
Use the “AS” alias in your SQL queries (e.g. SELECT count(name) AS “numberOfNames”) to fit it to your value object.
Use SQLConnection.columnNameStyle = SQLColumnNameStyle.SHORT as possible.
Try to avoid the same name in different tables (which has to be joined at one point)
Use SQL transactions: Start with sqlConnection.begin(); continue with “INSERT INTO (‘firstName’) VALUES (‘:firstName’) and SQLStatement.parameters[':firstName'] = VOList[numberOfVO][firstName]; and end with SQLConnection.commit();
If you want to get the current database Schema (‘SELECT * FROM sqlite_master WHERE type = “table”‘) open the database in read mode SQLConnection(_sqlFile, SQLMode.READ), load the Schema sqlConnection.loadSchema() and push SQLConnection.getSchemaResult() into an Array

2
Jun/100

Do you also like Firefox and it’s powerful addons?

Are you also working with the powerful SQLiteManager (by Tarakant Tripathy, Mrinal Kant) addons?

But sometimes your Firefox is crashing – or you have just too many tabs – or it just takes forever to open up that thing?

So, before about half a year I figured out how you can run this plugin without the Firefox at all!

Like a real application!

How it works?

You need the XULRunner (an environment which can bootstrap XUL+XPCOM applications)
You need the searched plugin as XULRunner application (SQLiteManager)

So check out: