sql

Insert value in SQL database

In SQL Server 2005, I'm trying to figure out How to fill up the following fields? Any kind of help will be highly appreciated.. INSERT INTO [Fisharoo].[dbo].[Accounts] ([FirstName] ,[LastName] ,[Email] ,[EmailVerified] ,[Zip] ,[Username] ,[Password] ,[BirthDate] ,[CreateDate...

What are NDF Files?

SQL Server uses MDF for data files and LDF for log files, but what are NDF files? Whats the benefits of these files? ...

In SQL, can we always write an inner join statement as a main query and subquery if we only want to find the intersection?

In SQL, can we always write an inner join statement as a main query and subquery or vice versa if we only want to find the intersection? For example, select * from gifts g where g.giftID in (select giftID from sentGifts); can do a join and show the gifts sent in the sentGifts table, but it won't be able to show the sentTime because ...

In SQL, in what situation do we want to Index a field in a table, or 2 fields in a table at the same time?

In SQL, it is obvious that whenever we want to do a search on millions of record, say CustomerID in a Transactios table, then we want to add an index for CustomerID. Is another situation we want to add an index to a field when we need to do inner join or outer join using that field as a criteria? Such as Inner join on t1.custumerID = t...

Is using Natural Join or Implicit column names not a good practice when writing SQL in a programming language?

When we use Natural Join, we are joining the tables when both table have the same column names. But what if we write it in PHP and then the DBA add some more fields to both tables, then the Natural Join can break? The same goes for Insert, if we do a insert into gifts values (NULL, "chocolate", "choco.jpg", now()); then it will bre...

Oracle Warning: execution completed with warning

Hi I have two tables Orders(ID,ORDERDATE,DELIVERYDATE,GOODID,QUANTITY,COLLECTIONFROM,DELIVERYTO,NOTES) and ROLLINGSTOCK_ORDER(ORDERID,ROLLINGSTOCKID,DEPARTUREDATE,DELIVERYDATE,ROUTEID) i have created a trigger to update the DELIVERYDATE in ROLLINGSTOCK_ORDER when DELIVERYDATE is updated in Orders CREATE OR REPLACE TRIGGER TRIGG...

How to use php variables (arrays) in mysql select statements?

Hi everybody, How do you use a php variable (array) inside a mysql select statement? I am designing an auction site and currently working on a page that lets people view a list of all the current bids for an item. I want to display 3 columns: amountbid - the amount each bidder has bid for the item (held in tblbid) b...

SQL, MVC, Entity Framework

Hi Im using the above technologies and have ran into what I presume is a design issue I have made. I have an Artwork table in my DB and have been able to add art (I now think of these as Digital Products) to a shopping cart + CartLine table fine. The system I have that adds art to galleries and user accounts etc works fine. Now the cl...

SQL timetable for employee

Hi guys, i need to create an employee shift database. so i have 3 tables so far, employee, employee_shift, and shift im suppose to calculate how many shifts an employee has done at the end of the month, my question means, because a month has 30 days some have 28 and 31 days. this means i need to create in the shift table 31 different ...

Calculation of derived field in sql

Taking Sql this quarter and not having any luck with the following question: The height of players in feet (inches/12). Include their name. Hint: Calculation or derived field. Be sure to give the calculated field a column header. We're learning the basic Select statment and didn't find any reference on how to make custom data at...

MySQL Join issue

Hi, I have the following tables: --table sportactivity-- sport_activity_id, home_team_fk, away_team_fk, competition_id_fk, date, time (tuple example) -> 1, 33, 41, 5, 2010-04-14, 05:40:00 --table teams-- team_id, team_name (tuple example) -> 1, Algeria Now I have the following SQL statment that I use to extract Team A vs Team B...

Little (Employee - Shift) SQL Database help

Hi Guys, Im creating a little database that has employee, emp_shift, shift, tables now im suppose to be able to calculate at the end of the month which employee has done the most number of shifts. Ive created the SQL creation, insert statements for the tables, and a little diagram to explain what im trying to acomplish, im a beginner a...

SQL 2005: Select top N, group by ID with joins

I'm having real difficulty with a query involving 3 tables. I need to get the 3 newest users per department grouped by department names. The groups should be sorted by the users.dateadded so the department with the newest activity is first. The users can exist in multiple departments so Im using a lookup table that just contains the ...

Can't get a SQL command to recognise the params added

Hi, I've not used basic SQL commands for a while and I'm trying to pass a param to a sproc and the run it. However when I run the code I get a "Not Supplied" error. Code: SqlConnection conn1 = new SqlConnection(DAL.getConnectionStr()); SqlCommand cmd1 = new SqlCommand("SProc_Item_GetByID", conn1); cmd1.Parameters.Add(new SqlParameter(...

Query that ignore the spaces.

What's the best way to run a query so that spaces in the fields are ignored? For example the following queries.... SELECT * FROM mytable WHERE username = "JohnBobJones" SELECT * FROM mytable WHERE username = "John Bob Jones" . would find the following entries: John Bob Jones JohnBob Jones JohnBobJones . I am using php or python...

Database persistence without an SQL server

I'm seeking a solution that would allow persistence without requiring an SQL server to be installed on the host and could be bundled along with a desktop application. Does such a thing exist? ...

COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better?

Hello guys, I often find these three variants: SELECT COUNT(*) FROM Foo; SELECT COUNT(1) FROM Foo; SELECT COUNT(PrimaryKey) FROM Foo; As far as I can see, they all do the same thing, and I find myself using the three in my codebase. However, I don't like to do the same thing different ways. To which one should I stick? Is any one of ...

I'm trying to grasp the concept of creating a program that uses a SQL Server database, but I'm used to running it only on my local machine.

How can I make a program use a SQL Server database, and have that program work on whatever computer it's installed on. If you've been following my string of questions today, you'd know that I'm making an open source and free Help Desk suite for small and medium businesses. The client application. The client application is a Windows ...

SQL select maximum from two time periods

I have a query, Im trying to select the maximum value from the summer period (nov-april down here) but it only gives me values from nov-dec with this query. Any ideas why? SELECT TOP 10 Value, DateTime FROM history WHERE Tagname = @Tag AND ((DateTime >= @StartYear AND DateTime < @StartWinter) OR (DateTime >= ...

Using a temp table in a view

Hi Everyone I would really like to create a view. I know you can't use temp tables in MSSQL2005 views. Without rewriting the sql, is there anything obvious I've missed? Backup plan is to use a stored proc. Cheers select * into #temp from vwIncidents SELECT vwIncidents.incidentcode, employeecode, EMPOS.POS_L4_CDA as areaAtTi...