database

Greetings all To show proof of concept I need to make a simple web page, that connect to a database, which then the clients (B4A and B4I) connects to, in order to exchange data and receive tasks ect. I’m not much of a DB man (but I can if needed be hack my way through it), and certainty not a...

Hi All, I can load/SELECT ALL data in a table from jRDC2 (mysql DB) with no problem, but I think this is not perfect in case of thousands of rows to return/SELECT from App performance standpoint, also I am aware that I can use LIMIT to limit the number of rows; however I am not sure how to...

lmB4XComboBox is a b4x library (https://www.b4x.com/android/forum/threads/100383/#content). It works with B4A, B4J and B4i. It is a modified version of the Erel's original B4XComboBox and allows you to store in it a value for each text item. Not rarely (mainly handling DB data) you need a...

Greetings, I have a requirement from a customer who wants me to make an app that looks up the barcode from grocery items and extracts details such as the product name, photo of the product, etc. from a free trusted web site. I plan to use the b4aZbarBarcodeScanner to read the barcodes. When I...

Hi - I've been out of the loop for a bit and wondering what the latest is in terms of including a database in my application OR being able to connect from a phone that is online to - say an instance of Postgres running on my server? Where is the latest documentation on this for B4A...

Can be found on github. Written some years ago to manage proxy addresses and store reliability notes. In-memory database. REST-based. MIT license.

Hello, I like to get a suggest of method, regarding best practices for my App : 1/ i have an SQLITE db that contain general setting strings and language strings for its operation, and independent of user data. I systematicaly copy that DB from asset dir to Internal, so even after app updating...

Hello All, I am developing a multi side aplication that need to read/write to a database at the same time. With sqlite, I keep geting a database locked error, even with the pragma set to WAL. Is there a DB engine that is both free and that allow concurrent connections ? Thanks

Hello, Im with B4X 9.30, working dev : Win10 I Want to connect with : External MSSQL DB Shared hosting : on Windows serv. 2012 Sorry im a newbie with MSSQL connecting script, but with that .jar : jtds-1.3.1.jar downloaded on : ttps://sourceforge.net/projects/jtds/files/jtds/1.3.1/ I dont...

Ola UPDATE 2020-05-19: Please use this library instead Update: BANanoSQLite1 Example If you are opting for MySQL connectivity, BANanoMySQL is available here. My journey finally has led me to complete a basic wrapper that one can use for PHP SQLite access. Initially, we tried...

Hello all, For a long time now whenever I create a bespoke database driven solution for a client I always make sure that the users database passwords and email addresses are encrypted using BCrypt with salt, that way I can tell my clients that their users details are securely stored in their...

I am learning how to use SQLite and DbUtils. I have written code that creates a db and a table. It then writes values to the table. However it does not seem to be able to retrieve them. Not too sure what is wrong with the code, as it is pretty much what is in the tutorial video. Here is the...

Hi I'm trying to connect to my sql server from android. I am at the beginning, that is, with the connection and I am already at rest I wrote this with my credentials but it never initializes Sub Button1_Click Dim db As MYSQL Dim L As List...

Buonasera, vorrei col mio telefonino creare un app che mi permetta di farel' update di dati che ho su un database aziendale. Di solito su VB.net usavo laconnessione OLEDB o SQLclient esiste qualcosa di simile? Quindi una volta aperta la connessione fare le query, le update ecc in sql. Ho...

Hi, i don't know how to detect a duplicate entry on my database. I obtain a Job.Success = false but a don't know how can i know that is not success for this reason :( Can you help me?

This is a wrap for this Github-Project. ExternalLogger External logger library for android applications. You can save logs in any component in your app (Activity, Service, Fragment). The data will be stored in memory even after exiting the application or turning off the device. You can access...

Is it Possible to add a Database File (Sqlite) in Andriod Application. If yes how it is possible. My requirement is this database file install in my Andriod Device during installation of APK file. So that I can read,edit, modify its content.

I'm wanting to make a multiplayer card game and looking for advice or ideas before I spend eons making the same mistakes other people already made :) I've already prototyped a database in MS Access. I will export to something like mySQL or SQL Server, depending on various factors. I have a...

Hola a todos. Me pregunto si alguien me puede ayudar con unas lineas que me permitan comparar, al iniciarse el programa, la base de datos del dispositivo contra la que se encuentra en File.DirAssets, y si es una versión anterior, reemplazarla con la una nueva, todo esto, antes de que el...

SubName: N/A its simply a concept/idea that would appear very easy to implement, with possibly great benefits for performance. But totally untested, only created it and put a file in it, and it acted just like normal storage. Description: Historically, I have seen my IO access on storage around...