sqlite

How do I get LIKE and COUNT to return the number of rows less than a value not in the row?

For example: SELECT COUNT(ID) FROM My_Table WHERE ID < (SELECT ID FROM My_Table WHERE ID LIKE '%4' ORDER BY ID LIMIT 1) My_Table: X ID Y ------------------------ | | A1 | | ------------------------ | | B2 | | ------------------------ | | C3 | | -----------------------...

importing .csv files into SQlite through objective C

Hello everyone, I am able to import .csv files into a SQlite table through the command line. It works nice and fine. What i wanted to know was is it possible to do the exact same thing through Objective C code..meaning execute commands like .mode csv && .import file.csv table. The interface sqlite3 does all normal SQL statement executio...

How can I filter the records from an SQLite database in my Perl CGI script?

Here is the table in which ia am retrieving the data from sqlite,, at the top of this datagrid i need a filter button and 2 text boxes..1 for userId and 1 for userName...All i need is tha as a enter the userid and username the record confined to tha id or name should appear ...Please do help me..am newbie to perl... #!C:\perl\bin\perl...

Efficiently updating cosine similarity scores

My iPhone application is using a SQLite database with the following schema: items(id, name, ...) -> this table contains 50 records tags(id, name) -> this table contains 50 records item_tags(id, item_id, tag_id, user_id) similarities(id, item1_id, item2_id, score) The items, tags, item_tags and similarities tables are populated with p...

Max size of an Android app's in-memory SQLite database?

How large can be the database of my Android app? Is there a limit? For performance reasons, I don't want to store the database on the SD card. ...

where does android store sqlite database version?

I am unable to find out this information in the db file. where does exactly android store database version info? ...

Does SQLite3 change databases even if every statement is "SELECT"

Hi everyone, we try to deploy our software on Windows 7, and there are several sqlite3 db files around. But, these are all read-only and we execute only "SELECT" statements. However, we have observed that Windows 7 also make virtualization on these files, which means file structure or content is changed. What do you think of it? What cha...

Altering table's unique field

Hello all, I have a table which has an unique key with 2 constraints in it. I want to alter the table such that i can remove one of the constraint in unique field there. My current db schema : CREATE TABLE testtable(test1 TEXT, test2 TEXT, test3 TEXT, test4 TEXT DEFAULT FALSE,UNIQUE (test1,test2)) I already have this table populated ...

Test that a table exists in Luasqlite

I'm using Luasqlite. If I wanted to write a test to verify that a table exists, that returns boolean, how would I go about doing it? It seems if I try selecting something from a table that doesn't exist, as my test, then the application errors out altogether. Thank you! ...

How do I create a CSV file from database in Python?

I have a Sqlite 3 and/or MySQL table named "clients".. Using python 2.6, How do I create a csv file named Clients100914.csv with headers? excel dialect... The Sql execute: select * only gives table data, but I would like complete table with headers. How do I create a record set to get table headers. The table headers should come dir...

Android's SQLiteDatabase: Failing to Open a Writeable Instance of a DB Because Could not setLocale()

SQLiteOpenHelper.getWriteableDatabase() The error message I receive is: Failed to setLocale() when constructing, closing the database The only way I have found to get around it is to clear the application's data cache (i.e. delete all of it's database files) and start over. I would like to know a) Why this is happening and b...

Naming a group_concat column in a select

sqlite3 I have two tables. One contains some lists and the other contains each list's items. I want to create a select statement that grabs the rows in the lists table, but also creates a column which is a comma-delimited summary of the items in each list. I have this working as follows: select master._id as _id, master.name...

Sencha sqlite example

I would like to see a decent example of a mobile web app using the Sencha framework with a client side DB accessed with SQLite. I'm currently digesting JqTouch and kinda get the binding method used there from reading Jonathon Stark's "iPhone apps" book, but cant find any examples of accessing Senchas features ie listed elements with SQLi...

please help with sqlite exception

hi, I'm getting this error when the program executes mainDb.SubmitChanges(): INSERT INTO projects VALUES (@p0) SELECT CONVERT(Int, SCOPE_IDENTITY()) AS [value] -- @p0: Input String (Size = 0; Prec = 0; Scale = 0) [test2] -- Context: SqlProvider(Sql2008) Model: AttributeMetaModel Build: 3.5.30729.4926 my code has the following files: P...

how do i retrieve data from SQLite to VB6??

i am using SQLite3 ODBC Driver as my connection string, Dim conn As ADODB.Connection Set conn = New ADODB.Connection Dim rs As New ADODB.Recordset Set conn = New ADODB.Connection conn.ConnectionString = "DRIVER=SQLite3 ODBC Driver;Database=test.db;LongNames=0;Timeout=1000;NoTXN=0;SyncPragma=NORMAL;StepAPI=0;" conn.Open rs.Open "sele...

Creating an SQLite table only if it doesn't already exist

I need my PHP app to be able to create an SQLite table but only if it doesn't already exist. How should I go about it? ...

can't do :joins without writing SQL code

I can't understand why this code works: @ads = Ads.find( :all, :joins => "INNER JOIN ad_users u ON u.ad_users_id=ads.ad_users_id" ) and this one doesn't: @ads = Ads.find( :all, :joins => :AdUsers ) my classes are: class Ads < ActiveRecord::Base set_primary_key :ads_id belongs_to :AdUsers end and class AdU...

How can I access SQLite with C#?

Hi everybody, I'm trying to get connected to my Sqlite database programmatically using C#/ASP.NET: string requete_sql = "SELECT * FROM USERS"; connStr = @"Data Source=C:\LocalFolder\FooBar.db;"; using (System.Data.SqlClient.SqlConnection conn = new System.Data.SqlClient.SqlConnection(connStr)) { System.Data.SqlClient.SqlCommand cmd = n...

Insert ArrayList in to Android SQLite database?

HI, I have array list of geopoints List<GeoPoint> geoPointsArray = new ArrayList<GeoPoint>(); I want to put geoPointsArray array in to SQLite database and then fetch the data back as an array. If anyone has a solution I would be greatly appreciated. P.S. Now I use ContentValues for insert into array as: ContentValues i...

Android SQLite memory leak.

I know this is a long post. Pls don't mind. Leak found E/Database( 4549): java.lang.IllegalStateException: mPrograms size 1 E/Database( 4549): at android.database.sqlite.SQLiteDatabase.finalize(SQLiteDatabase.java:1668) E/Database( 4549): at dalvik.system.NativeStart.run(Native Method) E/Database( 4549): Caused by: java.lang.IllegalSt...