sql

Parse and extract required text from text files using C#

I have some text files with some useful data wrapped in between HTML tags like <td>, <span>, etc. I want to write a program which extracts the data in between the tags. The text file contains other junk data too. I would also like to store these extracted data into SQL Table. Anyone who can guide me in right direction? ...

SQL Rank query optimization

I have the following table structure for a table Player Table Player { Long playerID; Long points; Long rank; } Assuming that the playerID and the points have valid values, can I update the rank for all the players based on the number of points in a single query? If two people have the same number of points, they should tie fo...

SQL Server 2005 Sleeping SPID blocking another SPID...

I find many sleeping process my SQL Server database and looks like one of those sleeping SPIDs is blocking another process, and that process is getting suspended too... Could some one please explain this... 1.) How can a sleeping process block another process? 2.) I see many sleeping process...is this normal? Thanks ...

Conditionally Summing the same Column multiple times in a single select statement?

I have a single table that shows employee deployments, for various types of deployment, in a given location for each month: ID | Location_ID | Date | NumEmployees | DeploymentType_ID As an example, a few records might be: 1 | L1 | 12/2010 | 7 | 1 (=Permanent) 2 | L1 | 12/2010 | 2 | 2 (=Temp) 3 | L1 | 12/2010 | 1 | 3 (=Support) 4 ...

Tournament bracket

Not sure of the best way to go about this? I want to create a tournament bracket of 2,4,8,16,32, etc teams. The winner of the first two will play winner of the next 2 etc. All the way until there is a winner. Like this Can anyone help me? OK so more information. Initially I want to come up with a way to create the tournament with the...

Oracle - truncating a global temporary table

I am processing large amounts of data in iterations, each and iteration processes around 10-50 000 records. Because of such large number of records, I am inserting them into a global temporary table first, and then process it. Usually, each iteration takes 5-10 seconds. Would it be wise to truncate the global temporary table after each ...

SQL Query to duplicate records based on If statement

Hi, I'm trying to write an SQL query that will duplicate records depending on a field in another table. I am running mySQL 5. (I know duplicating records shows that the database structure is bad, but I did not design the database and am not in a position to redo it all - it's a shopp ecommerce database running on wordpress.) Each pro...

Table rows with identifying parameter in each row SQL SERVER 2008 into single row

Sorry - my question title is probably as inept at my attempt to do this. I have the following (well, similar) in a table in a CMS pageID key value 201 title Page 201's title 201 description This is 201 201 author Dave 301 title Page 301's title 301 descriptio...

When is it better to write "ad hoc sql" vs stored procedures

Possible Duplicate: Inline SQL vs Stored Procedures I have 100% ad hoc sql through out my application. A buddy of mine recommended that I convert to stored procedures for the extra performance and security. This brought up a question in my mind, besides speed and security is there any other reason to stick with ad hoc sql quer...

SQLite Delphi thowing up incorrect exception.

Project CompetitionServer.exe raised exception class ESQLiteException with message 'Error executing SQL. Error [1]: SQL error or missing database. "INSERT INTO MatchesTable(MatchesID,RoundID,AkaFirstName,AoFirstName)VALUES(1,2,p,o)": no such column: p'. Process stopped. Use Step or Run to continue. Yes, p is NOT a column, it is ...

Postgres query optmization

Hey guys, trying to optimize this query to solve a duplicate user issue: SELECT userid, 'ismaster' AS name, 'false' AS propvalue FROM user WHERE userid NOT IN (SELECT userid FROM userprop WHERE name = 'ismaster'); The problem is that the select after the NOT IN is 120.000 records and it's taking forever. Using the explain prefix as ...

Changing a column collation

Hey there, I have a database already set up. I am trying to change the collation to case sensitive on my username column so it restricts login parameters to what they signed up with. However I keep getting this: #1025 - Error on rename of './yebutno_ybn/#sql-76dc_8581dc' to './yebutno_ybn/user' (errno: 150) there is foreign key constr...

SQL query for the latest record for each day

I've got an Oracle 10g database with a table with a structure and content very similar to the following: CREATE TABLE MyTable ( id INTEGER PRIMARY KEY, otherData VARCHAR2(100), submitted DATE ); INSERT INTO MyTable VALUES (1, 'a', TO_DATE('28/04/2010 05:13', ''DD/MM/YYYY HH24:MI)); INSERT INTO MyTable VALUES (2, '...

Auto-complete editor for SQL statement

Is there any plugings or text editor to auto-complete SQL statement? I am using SQL Server Management Studio (ssms) 90% of time, but most of time I have to type SELECT FROM WITH(NOLOCK) WHERE blahblah. Trying to find a more efficient way. Thanks. ...

how to convert the datetime value to hour

I have datetime value as 2010-04-07 09:00:00.000 2010-04-07 14:30:00.000 how to convert the 14:30 to 2:30 pm ...

SQL Server Return 1 Row Per Boat

Basically, what I want to do is join 4 tables together and return 1 row for each boat. Table Layouts [Boats] id, date, section, raft [Photos] id, boatid, pthurl, purl [River_Company] id, sort, company, company_short [River_Section] id, section Its very simple as far as structure, however, I've having the time of my life try...

SQL server deadlock between INSERT and SELECT statement

Hi! I've got a problem with multiple deadlocks on SQL server 2005. This one is between an INSERT and a SELECT statement. There are two tables. Table 1 and Table2. Table2 has Table1's PK (table1_id) as foreign key. Index on table1_id is clustered. The INSERT inserts a single row into table2 at a time. The SELCET joins the 2 tables. (it'...

Count times ID appears in a table and return in row.

SELECT Boats.id, Boats.date, Boats.section, Boats.raft, river_company.company, river_section.section AS river FROM Boats INNER JOIN river_company ON Boats.raft = river_company.id INNER JOIN river_section ON Boats.section = river_section.id ORDER BY Boats.date DESC, river, river_company.company Returns everything I need. But how wo...

how can i optimize views in sql server for speed

i have created views for my project now i want to optimize them for the speed purpose...how can i identify that the view can be optimize? is index usefull for this.... let's say the following example... SELECT dbo.vw_WebInventory.skref AS SaleID, dbo.vw_WebInventory.lot_number AS LotNumber, dbo.vw_WebInventory.Description, ...

Access MDB: Is it possible to monitor and log actual queries made against an Access MDB?

Is it possible to monitor what is happening to an Access MDB (ie. what SQL queries are being executed against it), in the same way as you would use SQL Profiler for the SQL Server? I need logs of actual queries being called. ...