sql

Row Source - combo box, filtering what pops up in a combo box by date

I have a combo box that I want to pop up when somebody wants to search by year. It will allow them to see in that combo box only results that happened in a certain year. So far I have something like SELECT DISTINCT Database_New.ASEC FROM Database_New WHERE (((Database_New.Date) >= DateValue('01/01/2001') AND (((Database_New.Date) <= ...

joining two tables and getting aggregate data

how do i write a query that returns aggregate sales data for California in the past x months. ----------------------- ----------------------- | order | | customer | |-----------------------| |-----------------------| | orderId int | | customerId int | | customerId ...

Mysql stored procedure where clause

Ok let me try this again. query("CALL getemployee('$eml')"); $result = $sql->fetch_array(); ?> This is my stored procedure: Delimiter // Create procedure getemployee(in eml varchar(50)) Begin Select * from employees where email = eml; End// Delimiter ; The error i get from browser: "Fatal error: Call to a member function fetch_ar...

Is closing/disposing an SqlDataReader needed if you are already closing the SqlConnection?

I noticed This question, but my question is a bit more specific. Is there any advantage to using using (SqlConnection conn = new SqlConnection(conStr)) { using (SqlCommand command = new SqlCommand()) { // dostuff } } instead of using (SqlConnection conn = new SqlConnection(conStr)) { SqlCommand command =...

Join two tables but want one matching columns instead of showing it separately sql server 2008

Hi i want to display join result of two tables but don't want to show matching column separately. I want it one instead of two. So please tell me what query should i use for this. I am using SQL Server 2008 and my query is like: select * from Customer_Order, optRelation where Customer_Order.orderNumber = optRelation.orderNumber AND...

Tag suggestion (not tag autocomplete)

AJAX autocomplete is fairly simple to implement. However, I wonder how to handle smart tag suggestion like this on SO. To clarify the difference between autocomplete and suggestion: autocomplete: foo [foobar, foobaz] suggestion: foo [barfoo, foobar, foobaz], or even better, with 'did you mean' feature: [barfoo, foobar, foobaz, fobar, ...

Use LINQ to insert data from dataset to SQL

Let's say I have a dataset in an ASP.NET website (.NET 3.5) with 5 tables, each has roughly 30,000 rows and an average of 12 columns. I want to insert all of the data from the dataset into 5 very-similar-but-not-quite-identical tables in SQL Server 2008. I also want to use LINQ (personal preference - trying to learn something new). Is...

Converting SQL to LINQ to XML

I'm writing the following code to convert SQL to LINQ and then to XML: SqlConnection thisConnection = new SqlConnection(@"Data Source=3BDALLAH-PC;Initial Catalog=XMLC;Integrated Security=True;Pooling=False;"); thisConnection.Open(); XElement eventsGive = new XElement("data", from c in ?????? select new XElement("ev...

build SQL query string using user input

i have to make a string by using the values which the user selects on the webpage suppose i need to display files for multiple machines with differnt search criteria.. i currently use this code: DataTable dt = new DataTable(); SqlConnection connection = new SqlConnection(); connection.ConnectionString = ConfigurationMa...

SQL Server 2008 - A clever way to fill a column with rising integers

This is a really silly question probably, I'm working on a database and what I want to do is create a table with an ID (auto increment) and another column: "Number" (I realize it sounds useless but bare with me here please), and I need to fill this "Number" column with values from 1 to 180, each time adding 1 to the previous. What would...

select for update with ruby oci8

how do I do a 'select for update' and then 'update' the row using ruby oci8. I have two fields counter1 and counter2 in a table which has only 1 record. I want to select the values from this table and then increment them by locking the row using select for update. thanks. ...

Max value amongst 4 columns in a row.

I have test_scores table with following fields: Table schema: id (number) score1 (number) score2 (number) score3 (number) score4 (number) Sample data: id score1 score2 score3 score4 1 10 05 30 50 2 05 15 10 00 3 25 10 05 15 Expected result set: id col_name col_value 1 score4 ...

Query results taking too long on 200K database, speed up tips?

I have a sql statement where I'm joining about 4 tables, each with 200K rows. The query runs, but keeps freezing. When I do a join on 3 tables instead, it returns the rows (takes about 10secs). Any suggestion why? suggestions to speed up? Thanks! Code SELECT * FROM equipment, tiremap, workreference, tirework WHERE equipment.tiremap = ...

sybase - values from one table that aren't on another, on opposite ends of a 3-table join

Hypothetical situation: I work for a custom sign-making company, and some of our clients have submitted more sign designs than they're currently using. I want to know what signs have never been used. 3 tables involved: table A - signs for a company sign_pk(unique) | company_pk | sign_description 1 --------------------1 ----------...

Django custom SQL returning single row of results when query returns 2?

I have a custom SQL call that is returning different results to the template than I get when I run the same query against the database directly, 1 row vs 2 Query - copied from Django Debug Toolbar: SELECT ((Sum(new_recruit_interviews) / Sum(opportunities_offered)) * 100) as avg_recruit, ((Sum(inspections) / Sum(presentations)) * 100) ...

Setting the AccountController in ASP.NET MVC 1.0 Template Not to Connect to SQL Server Express

I'm writing a website in ASP.NET MVC, using the ASP.NET MVC 1.0 template that was added to VS2008 for me by the ASP.NET MVC installer. The template automatically adds an AccountController, but its account methods tie into a SQL Server Express entity. I don't have Express installed here. How can I reconfigure it to use my SQL Server 2008 ...

sql and pooled connection error

Dear all, Kindly look at the following code as this sample code gives an error when i hosted it on Hostexcellence , but locally it runs perfect, and the error is as the following: Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in u...

SQL Code Smells

Hi Team, Could you please list some of the bad practices in SQL, that novice people do? I have found the use of "WHILE loop" in scenarios which could be resolved using set operations. Another example is inserting data only if it does not exist. This can be achieved using LEFT OUTER JOIN. Some people go for "IF" Any other thoughts? ...

SQL: Find the max record per group

I have one table, which has three fields and data. Name , Top , Total cat , 1 , 10 dog , 2 , 7 cat , 3 , 20 horse , 4 , 4 cat , 5 , 10 dog , 6 , 9 I want to select the record which has highest value of Total for each Name, so my result should be like this: Name , Top , Total cat , 3 ...

Repetitive SQL: What does it mean?

Hi In a different post I got a reply that tells about Repetitive SQL. Could you please explain what is Repetitive SQL? http://stackoverflow.com/questions/2657459/sql-code-smells I thought to make it a new post as it is a different subject. The reply says that use of "multiple stored procedures that perform the exact same joins but dif...