I know that dependent on the database storage engine in use, a performance benefit can be found if all of the rows in the table can be guaranteed to be the same length (by avoiding nullable columns and not using any VARCHAR, TEXT or BLOB columns). I'm not clear on how far this applies to InnoDB, with its funny table arrangements. Let's g...
i need to design a report that will print text on specified x,y coordinates
for example, i will input (50,50), (60,60), (70,70) and i will have my program print text at those specific coordinates on the report. in total there will be about 50 different coordinates.
how do i achieve this? should i be using a label control or a textbox? ...
After a couple of Google searches and a quick look at questions here, I cannot seem to find what I thought would be a cookbook answer for SQL Server permissions.
As I often see in small shops, most developers here were using an admin account for SQL Server while developing. I want to set up roles and permissions that I can assign to de...
I am creating a string that is a list of comma-delimitted values by looping through the selections in a CheckBoxList. I am able to display this value, so I know that it is creating what I expect. I am attempting to pass this list to an IN statment in a SELECT query:
SelectCommand="SELECT ThisDate, DATEPART(dw, ThisDate) AS Expr1 FROM ...
Consider this table (from http://www.tizag.com/mysqlTutorial/mysqlmax.php):
Id name type price
123451 Park's Great Hits Music 19.99
123452 Silly Puddy Toy 3.99
123453 Playstation Toy 89.95
123454 Men's T-Shirt Clothing 32.50
123455 Blouse Clothing 34.97
123456 Elec...
I have this query
SELECT articles.*,
users.username AS `user`
FROM `articles`
LEFT JOIN `users` ON articles.user_id = users.id
ORDER BY articles.timestamp
Basically it returns the list of articles and the username that the article is associated to. Now if there is no entry in the users table for a particular user id, the...
I am working on an Asset Database problem.
I enter assets into a database. Every object is an asset and has variables within the asset table. An object is also a type of asset. In this example the type is server.
Here is the Query to retrieve all necessary data:
SELECT asset.id
,asset.company
,asset.location
,asset.purchaseDate
,...
I have a MS SQL Fulltext Function like this:
(...)
RETURNS TABLE AS RETURN
SELECT * FROM fishes
INNER JOIN CONTAINSTABLE(fishes, *, @keywords, @limit)
AS KEY_TBL ON fishes.id = KEY_TBL.[KEY]
When I use this function in LINQ, it generates a special return type which includes all fields of my "fishes" table, plus Key and Rank.
How cou...
I'm having trouble getting my head around converting a traditional SQL aggregate query into a LINQ one. The basic data dump works like so:
Dim result =
(From i As Models.InvoiceDetail In Data.InvoiceDetails.GetAll
Join ih As Models.InvoiceHeader In Data.InvoiceHeaders.GetAll On i.InvoiceHeaderID Equals ih.ID
Join p As Mo...
it is written in every book that foreign keys are actually primary key in some other table but can we have a foreign key which is not primary key in any other table
...
Hi All,
I am using SQL Server 2005.
I have a stored procedure [say Sp_GetAllMaterialInfo], I want to put it in a scheduler that everyday this stored procedure execute on 2 P.M. daily.
Please let me know the steps I have to follow to achieve in SQL Server 2005
Thanks in advance.
...
Hi,
see http://stackoverflow.com/questions/695752/product-table-many-kinds-of-product-each-product-has-many-parameters for similar topic.
My question: i want to design a database, that will be used for a production facility of different types of products where each product has its own (number of) parameters.
because i want the serial n...
hi
i hve an sqlite db which contain transactions each transaction has an price
and has an transDate
i want to retrieve the sum of the transaction group by month
so the retrieved records should be like the following
Price month
230 2
500 3
400 4
pleas any help
...
I´m interested in both web resources and books. It´s a jungle out there, please give me a hand.
My goal is to learn the SQL language so I can query Sql Server databases within a couple of weeks.
I´ve got a programming background, and I know some basic stuff about relational databases, but almost nothing on how to use the SQL language.
...
I’m working on a sandwich ordering app in ASP.NET MVC, C# and LINQ to SQL. The app revolves around the user creating multiple custom-made sandwiches from a selection of ingredients.
When it comes to confirming the order I need to know that there’s enough portions of each ingredient to fulfil all the sandwiches in the user’s order before...
Hi,
I have a data driven site with many stored procedures. What I want to eventually be able to do is to say something like:
For Each @variable in sproc inputs
UPDATE @TableName SET @variable.toString = @variable
Next
I would like it to be able to accept any number of arguments.
It will basically loop through all of the inputs a...
i have a parent report and it contains a two sub report.
* subreport: item
which get all fields from store procedure named spGetReportItem. like
ItemName ItemQuantity TotalItemCost
ab 4 45
dd 6 98
*subreport: Labour
which get all fields from store procedure named spGet...
I want to get the results of a left join between two tables, with both having a column of the same name, the column on which I join. The following query is seen as valid by the import/export wizard in SQL Server, but it always gives an error. I have some more conditions, so the size wouldn't be too much. We're using SQL Server 2000 iirc ...
I would like to use newId to generate random numbers. Usually you would use it just once, but I might be generating up to 10 random numbers per newId.
Is it random enough?
...
I have a list of tuples that I'm trying to incorporate into a SQL query but I can't figure out how to join them together without adding slashes. My like this:
list = [('val', 'val'), ('val', 'val'), ('val', 'val')]
If I turn each tuple into a string and try to join them with a a comma I'll get something like
' (\'val\, \'val\'), ... ...