sqlite

Good embedded database solution (like SQLite) for .Net

I am looking for file based storage solutions that I can use with a .Net project. THey need to have a sql-like interface for storing and retrieving data. They need to have relatively little overhead and must not require any additional components installed by the end user. I am hopping for a .dll that I can reference and use. Cool poi...

How should I deal with sqlite errors?

I have a long running application written in a mix of C and C++ that stores data in sqlite. While I am confident that committed data will remain available (barring mechanical failure) and uncommitted data will not be, it's not clear to me what I can do with this sort of middle state. I do a large number of inserts in a transaction and ...

Query interface for iPhone CoreData store

Hi, another iPhone newbie question... I have the following: NSPersistentStoreCoordinator NSManagedObjectContext NSManagedObjectModel Is it possible to run queries directly on the store (since its a sqlite DB)? I'm trying to delete all the records from a tableview, and figured a "DELETE FROM table" would be nice and quick as opposed t...

Inserting rows while fetching(from another table) in SQLite

I'm getting this error no matter what with python and sqlite. File "addbooks.py", line 77, in saveBook conn.commit() sqlite3.OperationalError: cannot commit transaction - SQL statements in progress The code looks like this: conn = sqlite3.connect(fname) cread = conn.cursor() cread.execute('''select book_text from table'''...

PHP and use of the Num_Of_Rows() function?

Below is some PHP code that i have written, the problem occurs when it gets to the use of the num_of_rows(), it just does not seem to work and i cant figure out why? <?php try { $divMon_ID = array(); $divMon_Position = array(); $divMon_Width = array(); $divMon_Div = array(); $db = new PDO('sqlite:db/EVENTS.sqlite');...

SQL: find entries in 1:n relation that don't comply with condition spanning multiple rows

I'm trying to optimize SQL queries in Akonadi and came across the following problem that is apparently not easy to solve with SQL, at least for me: Assume the following table structure (should work in SQLite, PostgreSQL, MySQL): CREATE TABLE a ( a_id INT PRIMARY KEY ); INSERT INTO a (a_id) VALUES (1), (2), (3), (4); CREATE TABLE b ...

How to write custom SQLite functions in Javascript inside a Webkit browser?

I have just learned how to use the SQLite database for local storage in a Webkit web browser (e.g. Google Chrome or Apple Safari) using the Javascript API. For example the "Sticky Notes" application. However, I know that SQLite has a function called sqlite_create_function() that lets you add custom functions to your instance of SQLite...

Doing order by using the Jaro-Winkler distance algorithm?

I am wondering how would I be able to run a SQLite order by in this manner select * from contacts order by jarowinkler(contacts.name,'john smith'); I know Android has a bottleneck with user defined functions, do I have an alternative? ...

Stand-alone app to enter records through forms?

Hello I need to find a stand-alone (ie. no OpenOffice-based tools, for instance) Windows application that can present users with forms to enter records into an SQLite database. The goal is to migrate data from Excel sheets into a serverless, single-user database like SQLite. As a bonus, the application would also have a somewhat-protec...

display sqlite datatable in a jtable

Hi I'm trying to display an sqlite data table in a jtable but i have an error " sqlite is type forward only" how could I display it in a jtable try { long start = System.currentTimeMillis(); Statement state = ConnectionBd.getInstance().createStatement( ResultSet.TYPE_SC...

editing data base from the jtable displayed

hi how can we edit an sqlite database table from the itable it is displed in? thanks ...

Opening Blob Data stored in Sqlite as a File with Tcl/Tk

I am using the following tcl code to store a file from my deskstop into a Sqlite database as blob data ($fileText is a path to a text file): sqlite3 db Docs.db set fileID [open $fileText RDONLY] fconfigure $fileID -translation binary set content [read $fileID] close $fileID db eval {insert into Document (Doc) VALUES ($content)} db close...

Nested joins hide table names

Hi: I have three tables: Suppliers, Parts and Types. I need to join all of them while discriminating columns with the same name (say, "id") in the three tables. I would like to successfully run this query: CREATE VIEW Everything AS SELECT Suppliers.name as supplier, Parts.id, Parts.description, Types.typedesc as...

Most efficient way to move a few SQL Server tables to SQLite?

I have a fairly large SQL Server database; I'd like to pull 4 tables out and dump them directly into an sqlite.db for remote querying (via nightly batch). I was about to write a script to step through(most likely on a unix host kicked off via cron); but there should be a simpler method to export the tables directly (SQLite not an option...

Update a column based on a field from another table

Hi: I'd like to update values in one table based on corresponding values from other tables. Say you want to update prices of pieces provided by one specific manufacturer whose name is in the table Manufacturers with the Pieces table containing only the id of the manufacturer. I've seen several solutions for MySQL here and for MS SQL Se...

get a simple list from sqlite in python (not a list of tuples)

it's annoying how sqlite always returns a list of touples! i can see the why this is necessary, but when i am querying a single column, how do i get a plain list? e.g cursor.fetchall() returns [(u'one',), (u'two',), (u'three',)] from this, how do i get the simple list [u'one', u'two', u'three']? ...

Parsing data from xml and send that data into SQlite database in c#

Hi.. I have to parse xml file and after parsing I have to out related data in sqlite by using c#. I have parsed the xml file but not able to transfer those data into Sqlite data base. There are some problem while doing so. as I am not able to find System.Data.Sqlite even I have installed sqlite. Thanks... ...

comprehensive beginner's tutorial for python and sqlite?

looking for a good tutorial for learning sqlite in python- with a focus on the sql, not the bindings specifically, one that assumes no prior knowledge of sql ...

Specify which row to return on SQLite Group By

I'm faced with a bit of a difficult problem. I store all the versions of all documents in a single table. Each document has a unique id, and the version is stored as an integer which is incremented everytime there is a new version. I need a query that will only select the latest version of each document from the database. While using GR...

Which sqlite3 library to use for iPhone 3 development

I'm new to iPhone dev and am using sqlite3 but there seem to be two different sqlite libraries available: libsqlite3.0.dylib and libsqlite3.dylib Which is the best to use? What's the difference? Any help appreciated. ...