How to save pictures in a database is without doubt one of the more frequent questions I’m asked about. I hear this from Xojo newcomers,…
All posts related to using databases.
Most of the time, the access to our databases tables involves a small amount of columns (fields), so the use of the
Field method of the
RecordSet class is the most practical approach to retrieve the selected columns values. But what can we do when the query returns, for example, dozens of columns we need to get values from?
Most Xojo Cloud users have already switched to the newer Xojo Cloud servers. These new servers have more RAM and SSDs and are the priced lower or the same as our previous servers. But moving your projects from one server to another is easier said than done. You’ll need to plan carefully to avoid downtime. Here is a simple change you can make to your DNS settings in order to limit downtime, making the move to a better server smoother.
It’s very usual to use encrypted SQLite databases in our Xojo projects where we expect to get the maximum read speed from them. But the truth is that encrypting the data in these databases can introduce a penalty in our queries, both from read and writing/updating data to them. How can we improve this? One technique is the creation of a new in-memory based SQLite database, where we will be able to copy the table (or tables) we are interested in getting the maximum speed possible with. Continue reading to see how to do this.
If you are using SQLite you might be trying to share your database. What are your options when you want to be able to share your database?
Xojo 2018 Release 4 updated SQLite to 3.25. The SQLite 3.25 release had two significant changes: Window Functions and an improved ALTER TABLE command.
Do you need to know what version of MySQL you’re using in code? Maybe you need one of the many other configuration parameters that MySQL offers? It’s easy to get this information with some simple code!
The Cloud is everywhere these days. And lots of companies offer Cloud products or services. Why should you use them?