sql

SQL Server 2008 - Bit Param Evaluation alters Execution Plan

I have been working on migrating some of our data from Microsoft SQL Server 2000 to 2008. Among the usual hiccups and whatnot, I’ve run across something strange. Linked below is a SQL query that returns very quickly under 2000, but takes 20 minutes under 2008. I have read quite a bit on upgrading SQL server and went down the usual paths ...

Counting computers for each lab

Alright I have a problem with having to count PCs, and Macs from different labs. In each lab I need to display how many PC and Macs there is available. The data is coming from a SQL server, right am trying sub queries and the use of union, this the closest I can get to what I need. The query below shows me the number of PCs, and Macs i...

Create a DB alias using T-SQL in SQL Server 2005

Hi: I am trying to create a Database alias for many of the DBs. I wonder if there is a T-sql that can let me do it. I have not found anything about this. Thx. ...

How do i write a sql query with user input and wildcards

Usually i write my where statements as WHERE key=@0 then add a param. Now i would like the user to specific a few letters such as 'oat' and would like to stick wildcards around it %oat% which matches 'coating'. So how do i write the query so wildcards are around the user input (the 'seachword'). Now lets take it a step further. I would ...

TableAdapter.Update not working

Here is my function: private void btnSave_Click(object sender, EventArgs e) { wO_FlangeMillBundlesTableAdapter.Update(invClerkDataDataSet.WO_FlangeMillBundles); wO_HeadMillBundlesTableAdapter.Update(invClerkDataDataSet.WO_HeadMillBundles); wO_WebMillBundlesTableAdapter.Update(invClerkDataDataSet.WO_WebMil...

Popularity Algorithm - SQL / Django

Hi folks, I've been looking into popularity algorithms used on sites such as Reddit, Digg and even Stackoverflow. Reddit algorithm: t = (time of entry post) - (Dec 8, 2005) x = upvotes - downvotes y = {1 if x > 0, 0 if x = 0, -1 if x < 0) z = {1 if x < 0, otherwise x} log(z) + (y * t)/45000 I have always performed simple orderin...

linq to sql -> join

SQL query: SELECT ArticleCategories.Title AS Category, Articles.Title, Articles.[Content], Articles.Date FROM ArticleCategories INNER JOIN Articles ON ArticleCategories.CategoryID = Articles.CategoryID Object repository: public class ArticleDisplay { public int CategoryID; public str...

SQL Server parameters array bol --> dal

The error is cannot convert object to sql parameter I'm working with a bol->dal, building an array of parameters to pass to the dal: bol: SqlParameter[] sqlParams = new SqlParameter[] { new SqlParameter("@p1", SqlDbType.VarChar, 30).Value = "val1", new SqlParameter("@p2", SqlDbType.VarChar, 30).Value = "val2" }; ...

SQL Server 2008 table variable error: Must declare the scalar variable "@RESULT".

I'm using table values for the first time as a parameter to a function in SQL Server 2008. The code below produces this error: Must declare the scalar variable "@RESULT". Why?! I'm declaring it on the first line of the function! ALTER FUNCTION f_Get_Total_Amount_Due( @CUSTOMER_LIST [tpCSFM_CUSTOMER_SET_FOR_MONEY] READ...

"Access 2002 vs SQL Server 200*" as DB for sharepoint

I work with a team that has a sharepoint site currently runnning and its lists are linked to an access DB. My question is really on the investment level, what would be the reasons to upgrade DB to sharepoint if only a few 100 users access this site. Is there a real benefit to replacing the DB with a version of SQL Server, escpecially if ...

SQL Query Not Functioning - No Error Message

ORIGINAL TEXT REMOVED OK, so I found the original problem thanks to a helpful answer. It lists "Invalid query: No database selected" as the error. require_once ('../dir_connect.php'); $dbc = mysql_connect(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME); if (!$dbc) { die('Could not connect: ' . mysql_error()...

How do I do a where clause in sql and return a count back?

Hi I am using mssql and I want to make a query that returns a count back with a where clause. Like say I have a product Table ProductId ProductName Active So how would I make it I have like Select Count(*) From Product now I don't know how to filter it so it only could if Active = true; So if there are 3 active products then it...

gDatabase Optimization: Need a really big database to test some of the features of sql server

I have done database optimization for dbs upto 3GB size. Need a really large database to test optimization. ...

Check for Duplicates in a Database Before Entering Data

Before Entering data into a database, I just want to check that the database doesn't have the same username in the database already. I have the username in SQL set as a key, so it can't be duplicated on that end, but I am looking at finding a more user-friendly error message then "KEY already exists". Is there are simple way to check i...

What are good alternatives to SQL (the language)?

I occasionally hear things about how SQL sucks and it's not a good language, but I never really hear much about alternatives to it. So, are other good languages that serve the same purpose (database access) and what makes them better than SQL? Are there any good databases that use this alternative language? EDIT: I'm familiar with SQL a...

How to Create MySQL Query to Find Related Posts from Multiple Tables?

This is a complicated situation (for me) that I'm hopeful someone on here can help me with. I've done plenty of searching for a solution and have not been able to locate one. This is essentially my situation... (I've trimmed it down because if someone can help me to create this query I can take it from there.) TABLE articles (article...

How to refer to a previously computed value in SQL Query statement

I am trying to add a CASE statement to the end of my SQL query to compute a value depending upon another table value and a previously computed value in the SELECT. The error is returned that DelivCount is an invalid column name. Is there a better way to do this or am I missign something? SELECT jd.FullJobNumber, jd.ProjectTitle, jd.Cl...

How to handle ViewModel and Database in C#/WPF/MVVM App

I have a task management program with a "Urgency" field. Valid values are Int16 currently mapped to 1 (High), 2 (Medium), 3 (Low), 4 (None) and 99 (Closed). The urgency field is used to rank tasks as well as alter the look of the items in the list and detail view. When a user is editing or adding a new task they select or view the urge...

How is this Nested Set SQL query converted into a LINQ query?

Querying a Nested Set Model table, here's the SQL... how can this be written in LINQ? SELECT parent.name FROM nested_category AS node, nested_category AS parent WHERE node.lft BETWEEN parent.lft AND parent.rgt AND node.name = 'FLASH' ORDER BY parent.lft; particularly, the FROM part... never tried to do anything like that in LINQ. ...

Exception Handling in SQl Stored Procedures?

Hi All, Adding Exceptional Handling is a good practise, but I have a doubt, In our database we have 10 SPs which are accessed by our data access layer, there is not much logic and the queries are also not big.The purpose of keeping the queries in SPs was to allow paged data to be easily passed to the presentation layer. So, my question ...