sql

retrieving row based on input

public void RemoveTask(int index) { SQL = "DELETE FROM Task where (...) = " +index; dbConn.Open(); dbCommand = new SqlCeCommand(SQL, dbConn); dbCommand.ExecuteNonQuery(); dbConn.Close(); } What i want to do is to delete the record based on the index which specified the row number but I don't know what function or variable ...

Product Catalog Schema design

I'm building a proof of concept schema for a product catalog to possibly replace a very aging and crufty one we use. In our business, we sell both physical materials and services (one time and reoccurring charges). The current catalog schema has each distinct category broken out into individual tables, while this is nicely normalized a...

sql exception handling

CREATE OR REPLACE PROCEDURE p_createLocaltable IS table_already_exist EXCEPTION; PRAGMA EXCEPTION_INIT (table_already_exist, -00955); BEGIN create table local_table as select * from supplied_table where rownum < 1; EXCEPTION when table_already_exist then DBMS_OUTPUT.put_line('Table already exists , does not need to recr...

How to Convert using of SQLite to Simple SQL command in C#

I want to get start with DayPilot control I do not use SQLite and this control documented based on SQLite. I want to use SQL instead of SQLite so if you can, please do this for me. main site with samples http://www.daypilot.org/calendar-tutorial.html The database contains a single table with the following structure CREATE TABLE...

Get Max() record from table by group

Hi, i've got a table like that : Article Number Last Voucher Number Last Voucher Date 0557934 519048 04/02/2005 0557934 519067 04/02/2005 0557934 528630 09/29/2005 0557934 528631 09/29/2005 0557934 529374 10/13/2...

SQL: How do I INSERT primary key values from two tables INTO a master table.

Hello, I would appreciate some help with an SQL statement I really can't get my head around. What I want to do is fairly simple, I need to take the values from two different tables and copy them into an master table when a new row is inserted into one of the two tables. The problem is perhaps best explained like this: I have three ta...

SQL Server - Select one random record not showing duplicates

I have two tables, events and photos, which relate together via the 'Event_ID' column. I wish to select ONE random photo from each event and display them. How can I do this? I have the following which displays all the photos which are associated. How can I limit it to one per event? SELECT Photos.Photo_Id, Photos.Photo_Path, Photos.Ev...

Group functions of outer query inside inner query

Hello, I'm using Oracle. I'm trying to compose something like this: SELECT trans_type, (SELECT parameter_value FROM transaction_details WHERE id = MAX(t.trans_id)) FROM (SELECT trans_id, trans_type FROM transactions) t GROUP BY trans_type So, I am trying to use a result of grouping inside an inner query. But I am getting the error th...

introduce a join to this query, possible?

I'm trying to introduce a join to this query: SELECT `n`.*, round((`n`.`rgt` - `n`.`lft` - 1) / 2, 0) AS childs, count(*) - 1 + (`n`.`lft` > 1) + 1 AS level, ((min(`p`.`rgt`) - `n`.`rgt` - (`n`.`lft` > 1)) / 2) > 0 AS lower, (((`n`.`lft` - max(`p`.`lft`) > 1))) AS upper FROM `exp_node_tree_6` `n`, `exp_node_tree_6` `p`, `exp_node_tr...

iPhone: Best Method for Passing Data to and from a Server

I am developing an iPhone application that downloads data from a website. The website database is implemented in SQL and the site itself uses the classic ASP interface. I am unsure as to which method would be best for transferring data to and from the server. Both JSON and SOAP require XML processing and I'm not sure how that affects p...

sql query question / count

Hi, I have houses that belongs to streets. A user can buy several houses. How do I find out, if the user owns an entire street? street table with columns (id/name) house table with columns (id/street_id [foreign key] owner table with columns (id/house_id/user_id) [join table with foreign keys] So far, I'm using count which returns th...

How can I INSERT rows into a new table and update the primary key of the transported items?

The new table has an auto-increment that I want to use for the data that I'm transferring. Here is the query I want to run. INSERT INTO `xyz_1mydata` SELECT * FROM `xyz_1production` WHERE `xyz_1production.Id` > '12000'; I don't want to replace the existing items in #_1mydata. ...

Broken count(*) after adding LEFT JOIN

Since adding the LEFT JOIN to the query below, the count(*) has been returning some strange values, it seems to have added the total rows returned in the query to the 'level': SELECT `n`.*, exp_channel_titles.*, round((`n`.`rgt` - `n`.`lft` - 1) / 2, 0) AS childs, count(*) - 1 + (`n`.`lft` > 1) + 1 AS level, ((min(`p`.`rgt`) - `n`.`...

how to use UISegmentedControl to change datasource in tableview

how to use UISegmentedControl to change datasource in tableview? with sql tables or read data from arrays thanks ...

MySQL - Find entries that refer to a specified index.

Hi, So I have a booking system where I have a 'lesson_type' table with 'lesson_type_id' as PK. I have a constraint in place here so I can't delete a lesson_type if there are bookings made for that lesson_type. I would like to be able to determine if this lesson_type_id is being referred to by any entries in the bookings table (or any ...

capturing user IP address information for audit

We have a requirement to log IP address information of all users who use a certain web application based on JEE 5. What would be an appropriate sql data type for storing IPv4 or IPv6 addressses in the following supported databases (h2, mysql, oracle). There is also a need to filter activity from certain IP addresses. Should I just treat ...

same table, 1 field to 2 field query

I have 2 tables: 1st holds employees (of ones in any position) and the 2nd holds manager employee relations with id numbers. I want to write a query like 1st field: name(employee), 2nd field: name(manager) How can I do that? ...

MYSQL: Limit Word Length for MySql Insert

Hi, every search query is saved in my database, but I want to Limit the Chracterlength for one single word: odisafuoiwerjsdkle --> length too much --> dont write in the database my actually code is: $search = $_GET['q']; if (!($sql = mysql_query ('' . 'SELECT * FROM `history` WHERE `Query`=\'' . $search . '\''))) { exit...

SQL Get Top 10 records by date

I have a table full of bugs. The BugTitle is the page erroring and I also capture the error line. I would like to build an SQL Query that selects the top 10 bugs based on bugtitle and error line. I have this query: SELECT COUNT(BugTitle) AS BugCount, BugTitle, ErrLine FROM Bugs WHERE BugDate >= DateAdd(Day, -30, DateDiff(Day, 0, GetD...

Oracle - pl sql selecting from SYS_REFCURSOR

I have a function that returns a SYS_REFCURSOR that has a single row but multiple columns. What I'm looking to do is to be able to have a SQL query that has nested sub-queries using the column values returned in the SYS_REFCURSOR. Alternative ideas such as types, etc would be appreciated. Code below is me writing on-the-fly and hasn't be...