sqlite

How to select from datetime in sqlite?

Joined is a datetime data type column in the database and dates are saved as '12/05/2010 15:54:32' This my query: SELECT * FROM users WHERE joined BETWEEN '12/05/2010 00:00:00' AND '12/05/2010 23:59:59' ORDER BY id ASC But it doesn't work. It returns no rows. So how i gan get them? Solution: SELECT * FROM users WHERE joined ...

How fast is Berkeley DB SQL compared to SQLite?

Oracle recently released a Berkeley DB back-end to SQLite. I happen to have a hundreds-of-megabytes SQLite database that could very well benefit from "improved performance, concurrency, scalability, and reliability", but Oracle's site appears to lack any measurements of the improvements. Has anyone here done some benchmarking? ...

migrate a portion of a mysql table to SQLite

I have a mysql table set up like so: user_id | document 44 [blob] 44 [blob] 44 [blob] 46 [blob] I'd like to export all of user_id 44's data to an SQLite3 file. Best way to go about this without writing a script that reads the data and dumps it into a SQLite file? ...

How can I tell if my method is being called by a different thread than the main UI one?

I pass a data access class (DAL) of my own making into a another class so it can use those data access methods to store data in my sqlite database. This is type-safe because each method that accesses the database creates it's own connection object so calls to the connection object always come from the same thread it was created on. I'd...

Python and hebrew encoding/decoding error

Hey, I have sqlite database which I would like to insert values in Hebrew to I am keep getting the following error : UnicodeDecodeError: 'ascii' codec can't decode byte 0xd7 in position 0: ordinal not in range(128) my code is as following : runsql(u'INSERT into personal values(%(ID)d,%(name)s)' % {'ID':1,'name':fabricate_heb...

Entity framework unit testing with sqlite

Is it possible to unit test Entity Framework v2 repositories with SqLite? Is this only possible if my entities are plain Poco and not automatically generated by Entity Framework? I've generated a entity model from SqlServer and in the generated .edmx file i found this in section SSDL content: Provider="System.Data.SqlClient". Correct me...

Wanting a simple overview on how to connect to a SQLite database in Cocoa/Objective-C

Hi, everyone. I've been experimenting with Cocoa and Objective-C programming on the Mac for a few months now, and I am wanting to start developing applications that manage large amounts of data. The trouble is, I'm not really sure where to start with databases. I have a good background in Java programming with SQLite. I've read a bit a...

How can we use order by in SQLite

There is two field in my data base id(primary key) and name. I want arrange my data in descending order by using id ...

Is re-using a Command and Connection object in ado.net a legitimate way of reducing new object creation?

The current way our application is written, involves creating a new connection and command object in every method that access our sqlite db. Considering we need it to run on a WM5 device, that is leading to hideous performance. Our plan is to use just one connection object per-thread but it's also occurred to us to use one global comman...

Connect to SQLite Database using Eclipse (Java)

Hello, I'm trying to connect to SQLite database with Ecplise but I have some errors. This is my Java code and the errors that I get on output. Please see if you can help me. Thank you in advance. package jdb; import java.sql.*; public class Test { public static void main(String[] args) throws Exception { Class.forName("org.sqlite...

What's the simplest way to import an SQLite SQL file into a WEB SQL Database

perhaps I'm missing something, but I need a client side database pre-populated with a load of data. To test whether client side databases were up to the task, I created a few dummy tables with dummy data using the transaction.executeSql() method. But from what I can gather, it requires an executeSQL call for every single CREATE TABLE a...

Trac & Sqlite PK problem

I create my trac enviromnets using a sqlite database, it works very well. Now i want to get some information directly from the database and i'm using C# to do it using System.Data.SQLite. The problem i have is an error in the designer cause the tables don't have primary keys. After get this error i went and noticed that all tables that...

REALBasic reporting with SQLite3 DB

How do I create a report using SQLite3 DB? I'd appreciate just step by step or pseudo-code. ...

sqlite use in tcl script over nfs (or.. how to make standalone sqlite3 which can be run over nfs)

I want to use an embed an sqlite database into an existing tcl application (migrated from flat-file). Currently; our tcl interpreter is run from a network location; <nfs share>/bin/tclsh8.3 I do have an nfs $PATH for executables set for all users already; I am assuming I can place a standalone sqlite3 executible there; though I have b...

pysqlite2: ProgrammingError - You must not use 8-bit bytestrings

I'm currently persisting filenames in a sqlite database for my own purposes. Whenever I try to insert a file that has a special character (like é etc.), it throws the following error: pysqlite2.dbapi2.ProgrammingError: You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings (like text_facto...

Efficient update of SQLite table with many records

I am trying to use sqlite (sqlite3) for a project to store hundreds of thousands of records (would like sqlite so users of the program don't have to run a [my]sql server). I have to update hundreds of thousands of records sometimes to enter left right values (they are hierarchical), but have found the standard update table set left_va...

Can I query inside a SQLite Transaction?

I'm using the SQLite3 database system in the Android library. I need to execute a query during a transaction to see if there is a similar entry already there. If there is, I have to perform some other logic and adjustments before I add a new row. Can I execute a query within a transaction and get the result back immediately? ...

iPhone SDK: Data Synchronization

I am looking for an overview of data synchronization techniques available on the iPhone platform. We need the ability to be able to sync a subset of content from a server to a local database residing on the iPhone. On other projects I have worked on, the data synchronization was handled by the database. Is that available in SQLite? If ...

How to merge existing row with new data in SQLite?

I have a database full of simple note data, with columns for title, due date, priority, and details. There is also a _id column PRIMARY KEY int. Say I have a note in the table already with some data filled and the rest null. I also have a set of data that will fill all those fields. Is there a way that I can only write data to the fi...

How to SQL compare columns when one has accented chars?

I have two SQLite tables, that I would love to join them on a name column. This column contains accented characters, so I am wondering how can I compare them for join. I would like the accents dropped for the comparison to work. ...