SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine.

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Getting recent stations

I made a database for my Android app using SQLite and it works fine. However, as I understood, SQLite calls shouldn't be made on UI thread. Is the below okay or not? ...
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3answers
104 views

Schema design for user profile

I have the below schema for user profile management: ...
7
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1answer
174 views

Android “Search” Activity and corresponding XML

Below is an Android Activity and corresponding XML layout. The function of the class is to search an ...
3
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1answer
140 views

Creating a fast Android dictionary (word counts)

This is a follow-up of my question here: I am currently working on an application for various statistics. One task is to analyse a good amount of sentences for their word counts. The specifications ...
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2answers
79 views

FizzBuzz in SQLite 2

This query performs a FizzBuzz in SQLite 2.8.17 without creating any tables or sprocs. First attempt: ...
6
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1answer
78 views

Using SQL to reorder items in a list view - is this efficient?

I'm writing an application for work that requires me to process a list of transactions. The list is small (5 records at the most) and I'm required to display that data in an android ...
7
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1answer
113 views

BananaQuery - Android one-line query

I created this library just for fun. Since I was a bit tired to write 10 lines of code to execute a simple select query in Android, I created a way make it simple. It's not so advanced and some ...
2
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1answer
64 views

Ruby Bot application [closed]

I just want to know if this looks good. ...
4
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1answer
245 views

Persistent key value store for Python using SQLite3

This is a module to implement a key value store in Python using SQLite3. Originally written to allow sharing of configuration among multiple threads that are already sharing a SQLite3 database, I have ...
5
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2answers
166 views

Benchmarking our LAMP servers with this php script

I've written a small script to benchmark our LAMP hosted servers that assess the performance based on three factors: Disk I/O Database I/O (mysql) Database I/O (sqlite) The logic is as follows: ...
6
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2answers
114 views
3
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1answer
163 views

Seeding a file with fake records - doing concurrent updates

I need to seed a database with user data. When trying to write records to a file using sqlite3 with node, I tried writing the logic in a naive manner, without any error checks - but it was failing ...
6
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2answers
10k views

Using an AsyncTask to populate a ListView in a Fragment From a SQLite table

This is the first time that I have played around with AsyncTask in Android and I wanted to make sure I'm using it correctly. The idea is I'm grabbing all the rows from a table in the database using ...
10
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2answers
434 views

Another way to run reports on a SpiceWorks SQLite database using a linked server in SSMS?

I created a linked server in SSMS so that I could run reports on a SpiceWorks SQLite database. there are a few quirks in the whole system. These simple queries are becoming some of the most ...
3
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1answer
37 views

Finding users with the highest Following vs. Friends ratio

I am trying to find the users who have the highest "Following vs. Friends" ratio in my Twitter timeline. I have a SQLite database of the users in my Twitter timeline and each column contains data ...
7
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1answer
1k views

SQLite Helper Class in C#

Here is a SQLite Helper Class I created. Any input appreciated, including security and simplification. ...
5
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3answers
418 views

Optimization for SQLite result set parsing

I am retrieving information from an SQLite database that gives me back around 20 million rows that I need to process. This information is then transformed into a dict of lists which I need to use. I ...
2
votes
1answer
453 views

Unit of Work with Generic Repository Pattern MVVM, vol. 3

Continuation of this question: https://codereview.stackexchange.com/questions/36561/unit-of-work-with-generic-repository-pattern-mvvm-vol-2 I have made some modifications: Implement lazy-loading ...
3
votes
2answers
94 views

Searching database, filtering results, adding longs

My needs outpace my abilities. This code (mostly) works, but it is really ugly, doesn't always add correctly, and is in desperate need of some help refactoring. I can't wrap my head around what ...
1
vote
1answer
639 views

Unit of Work with Generic Repository Pattern MVVM, vol. 2

Continuation of this question: Unit of Work with Generic Repository Pattern MVVM I have made some modifications: Interfaces aren't forced to implement IDisposable Removed the finalizers Rebuilt UoW ...
4
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1answer
2k views

Unit of Work with Generic Repository Pattern MVVM

I have been writing the application. I meant to implement a repository pattern with Unit of Work. Is it correctly done? Can you make a code review? I use SQLite ...
2
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2answers
446 views

I need code review on using singleton to access local database

As I get to some performance issues in my app and find that I use database access in a bad way. So I decided to move to singleton pattern. I need someone to review this code and confirm me that I made ...
4
votes
1answer
386 views

Converting latitude and longitude coordinates from CSV using web service

I am working on converting a mailing list that has longitude and latitude coordinates within the CSV file. This script I came up with does what I need, but this is my first real-world use of python. I ...
2
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2answers
435 views

Improving SQLITE3 Left Join Performance

I occasional write simple yet long Python scripts using SQLITE3 (I'm not proficient with functional or object oriented programming...yet) Usually my sqlite3 is blazing fast. I'm use to looping ...
5
votes
1answer
1k views

Android SQLite Database management

I'd like some opinions about my approach at using SQLite databases in android. Everything seems to work very well, but there may be something wrong that I hadn't noticed. I don't like working with ...
5
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2answers
604 views

Adding to an index of authors

I'm new to SQLite but have programmed in BASIC (and other languages) for pushing 50 years. Given the sample code extract, please offer suggestions for improvement: ...
4
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1answer
5k views

Myth-busting SQLite3 performance w. pysqlite

I've read most of the posts I could find on optimizing SQLite3 performance, such as: How do I improve the performance of SQLite?, Is it possible to insert multiple rows at a time in an SQLite ...
2
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1answer
288 views

Working with sqlite and moving functions to class

I want to move this to a class that will open an sqlite connection that can be re-used, rather than disposing of it every time I write to the database. Furthermore I am more than happy for any best ...
3
votes
1answer
218 views

how secure is this way of writing and reading with PHP and SQLite?

This is a security question. I'm quite new to PHP and just a beginner in SQLite. For practical, and educational reasons, I'm writing a small PHP site that will serve as one-threaded discussion ...
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1answer
898 views

Insert dynamic parameters to sqlite database statements

I want to insert parameters dynamically to statements at sqlite. I now write as follows: ...
3
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2answers
186 views

Finding the cheapest one-way air flight fare

I'm doing a sort of exercise where I'm given a question, and I have to answer it by writing an SQL query using a database that I was given. This is the question: What is the cheapest fare for a ...
3
votes
2answers
3k views

Optimizing mass inserts into SQLite

I am trying to optimize inserts from a returned JSON which contains data from multiple tables on the remote server. My code is working, but I just want to figure out a way for it to work better. I ...
14
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3answers
637 views

Sample game code for applying to a development firm

I am contemplating working with a development firm, and had asked for this piece of sample code. Could you please take a look and let me know if this is a quality piece of work, or if it needs ...
2
votes
1answer
557 views

Android SQL in its simplest form [closed]

I thought I would just post a really simple wrapper for those who don't want to implement the retarded SqliteOpenHelper, which is really, really stupid. Below is a class to open/create a database, ...
4
votes
1answer
421 views

Clumsy PHP5 code reading from an SQLite3 database

Some time ago I wrote myself a simple blog. The index page is generated with PHP5, using an SQLite3 database via the variable id handed to it via the URL. The ...
24
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6answers
3k views

Database design for a school system

This system has to manage students, teachers, staff and grading. This is for production and is not a school assignment. As such, please let me know if I can improve on any aspect. :) My main concern ...