sqlexception – IT Nursery

When does SQLiteOpenHelper onCreate() / onUpgrade() run?

May 15, 2022 by IT Nursery

I have created my tables in my SQLiteOpenHelper onCreate() but receive SQLiteException: no such table or SQLiteException: no such column errors. Why? NOTE: (This is the amalgamated summary of tens of similar questions every week. Attempting to provide a “canonical” community wiki question/answer here so that all those questions can be directed to a good … Read more

java.sql.SQLException: No database selected – why?

April 5, 2022 by IT Nursery

Firstly, I am considering my answer to show you another better way for connection with MySQL Database, it’s much easier and less nu-expected Exception(s).You need to do some steps: Download Connector/J and add it to your class path(if you are using an IDE there is add the .jar to the library, or there is many … Read more