When creating a view, the name assigned to a column is not always usable in sqlite, in order to perform a specific operation afterwards.
For instance, I created the following view:
CREATE VIEW myview AS
SELECT amount, count(name), name
FROM mytable
GROUP BY name
HAVING count(name) > 1;
Then I would like to do the following...
I need to store data to use in my android program. Here are the details about the data:
There will be one table. Each "row" of data will have a unique INT identifier. Other then that field, there will be four other INT fields and a text field. The string field will probably be a 2 or 3 sentences long. Each of the 4 INT fields will corr...
hi all,
I use this code to read data from sqlite database:
keyFromSql = [NSString stringWithCString:(char *)sqlite3_column_text(preparedStatement, 1)];
but the compiler give me the warning wrote in the title... so, what is the right and not deprecated method to retrieve a value from sqlite?
thanks!
...
I have trouble with finding my SQLite Database.
As we can access the SQLite databases on a running emulator like below:
adb -s emulator-5554 shell
sqlite3 /data/data/package_name/databases/database_name
But what if I am testing my application on real device(HTC Here-Android) ?
where does i find my database?
...
Hello, I have simple question with Sqlite. What is the difference between this:
Select * from Animals LIMIT 100 OFFSET 50
and
Select * from Animals LIMIT 100,50
thanks in advance
...
Let's say I have two SQLite tables:
Table Players
id|name
Table Scores
id|player_id|score|timestamp
What would an SQLite query looks like, if I want to calculate the average scores for every players, but only from 5 of their latest scores. I've a working query that only works to calculate the average from all scores (using GROUP BY ...
I'm building a web application right now for my company and for whatever reason, can't get mySQL working on my Mac w/ my Ruby install (OSX 10.5). SQLite works fine though, so would it be a problem to use SQLite for now so I can get to work on this and then just change up my database.yml file to point to a mySQL database when I deploy (a...
I have a list view with several columns; things such as name, date, etc. I want to be able to click on the header TextView and sort the list by that field. When the list loads the variable works, and a list is queried and sorted by the field _id (no surprise other than it works), but when i click on the header TextView i get a force clos...
Hello, I have a table of 320000 rows which contains lat/lon coordinate points. When a user selects a location my program gets the coordinates from the selected location and executes a query which brings all the points from the table that are near. This is done by calculating the distance between the selected point and each coordinate poi...
I copy over a valid Android SQLite database from the apk to the databases folder on my AVD. I verify with the DDMS FileExplorer that it is there and the size is correct. When I call the following function to open it,
mDb = SQLiteDatabase.openDatabase(mDatabase_path, null,
SQLiteDatabase.OPEN_READONLY);
The SQLite DB file is deleted ...
Hello, this is my first time posting to this site so hopefully it will be a positive experience. I have an Android SQLite/ContentProvider problem that I have been beating my head against the wall for over the past 3 hours. Below is the ContentProvider code:
public class IncidentProvider extends ContentProvider {
private static final ...
I'm just getting started learning Sqlite. It would be nice to be able to see the details for a table, like MySQL's DESCRIBE [table]. PRAGMA table_info [table] isn't good enough, as it only has basic information (for example, it doesn't show if a column is a field of some sort or not). Does Sqlite have a way to do this?
...
I want to remove a column from a table.
How can I do this?
...
Ok it looks likes like I have stumbled upon a strange timing issue... I made a quick SQL wrapper class for executing sql statements. However after .execute() is called, the SQLEvent.RESULT event is never fired, but the new entry in the DB is created as it should be. The really really odd part is if I put a setTimeout() just after calli...
I am trying to run a query on a SQLite database that INNER JOINs two additional tables:
SELECT
usages.date AS date,
usages.data AS data,
stores.number AS store,
items.name AS item
FROM usages
INNER JOIN stores USING (store_id)
INNER JOIN items USING (item_id)
However, I get the error
SQL error: cannot join using colum...
With the below code, nothing appears in the ListActivity as I would expect.
No errors are shown in logcat.
Arrival.java
package one.two;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import android.app.ListActivity;
import android.database.Cursor;
import android.os.Bundle;
import android.widget.ArrayA...
As i am being an Android developer, and android is supporting SQLite database,
i would like to know that which are the other mobile platforms supports the SQLite Database
so that i can make SQLite database common and can place it at one place,
and thereafter i can make database transaction from different mobile platforms.
...
I want to display all customers and their addresses and the number and total sum of their orders. My query looks like this:
select *, sum(o.tota), count(o.total)
from customer c
natural join orders o
group by c.custId;
which works fine.
but if I add a new table to the query:
select *, sum(o.tota), count(o.total)
from customer c
...
I want to make a simple highscore system for my game. No posting online, just storing your best scores on the device, maybe being able to share them on Twitter or something like that.
My table is like this:
CREATE TABLE highscores ( name VARCHAR(10), score INT )
and then I want to find an easy way to retrieve the name, score and orde...
Hey, is it somehow possible to create a stored procedure, when using SQLite?
Thanks?
...