Designing Idea Please
Mar 8, 2007
Dear Friends,I'm a junior DBA,
I've to prepare an online examination.
for this, I've three categories.
a)beginer level
b)intermediate level
c)expert level
again here subjects are 6. like sqlserver,oracle,c#,vb.net,html,javascript.
in these subjects, i've to select these three types of questions.
now how can i design for this requirement? shall i create three tables for beginer, intermediate,expert or shall i create 6 tables and write according that?
am i given correct inputs?
please give me an idea to design
thank you verymuch experts.
Vinod
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Feb 26, 2004
I am trying to build something similar to www.alienware.com where it lets you build your own computer. I was wondering if some one could help me design sturcture to do it on my own. I am zero in DB and know little asp. I am trying to do it for my own site.
Thanks
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Mar 4, 2008
i have a table FORUM_REPLY it contain follwing fieldsquest_id,answer_id, reply_user_id.i want who is post most answer.so i need reply_user_id and max(no_of_answer).but following query given reply_user_id and no_of_answer onlySELECT reply_user_id,count(answer_id) as no_of_answer FROM FORUM_REPLY GROUP BY(reply_user_id)How to get max_no_of_answer?
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May 21, 2001
Hi all,
I am new to the DTS game - or at least to trying to do anything other than transfer rows between databases with identical structures.
I now need to create a far more complex DTS package to transfer data between an SQL Server database (I am using SQL Server 7.0) and an Oracle database. I have no trouble in making the connections and performing simple DTS's beween the two.
However, my current task is more complicated.
Problem 1:
In one database I would store fifty values as 5 five records each containing 10 values (i.e. has ten fields). However, in the other database these fifty values would all be stored as one record (i.e. one row with 50 fields). How could I go about creating a DTS to transfer this information?
Problem 2:
These values should only be transfered if certain conditions are met in an another unrelated table. For example, a flag in another table indicating that transfer of the said values should occur.
Any help with either of these problems would be much appraciated.
Thanks in advance,
Ross
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Nov 16, 2000
When one of the users log into the database via a thrid party application
they receive an error message:
2000/11/16 10:40:13.84spid51Error : 605, Severity: 21, State: 1
2000/11/16 10:40:13.84spid51Attempt to fetch logical page 7832 in database 'highview' belongs to object '1241055457', not to object 'application_data'.
2000/11/16 10:45:07.68spid46Getpage: bstat=0x1008/0, sstat=0x80002110, disk
2000/11/16 10:45:07.68spid46pageno is/should be:objid is/should be:
2000/11/16 10:45:07.68spid460x1e98(7832)0x49f900e1(1241055457)
2000/11/16 10:45:07.68spid460x1e98(7832)0x4810b86f(1209055343)
2000/11/16 10:45:07.68spid46... extent objid 0, mask 0/0, next/prev=0/0
2000/11/16 10:45:07.68spid46... retry bufget after purging bp 0x2da7e060
I tried running DBCC checkdb, newalloc,& checktable to fix the probelm and than droping the table and rebuilding it but not success, any suggestion are
more than welcome.
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Jun 21, 2002
If anybody can suggest the most efficient way to "page" the output from a big and wide table (about 7000000 records) in order to display on the web in the user requested sort order. Sort order could be on at least 7 different columns from 50 of returned.
I need to find a solution to move to the next and previous page.
Any Idea?
Dim
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Jul 23, 2004
what if I took this trigger and based it on a view rather then a table
CREATE TRIGGER TerminationUpdateTrigger ON EmployeeGamingLicense
FOR UPDATE
AS
INSERT INTO TERMINATION(Status,[TM #],LastName, FirstName, [SocialSecurityNumber], DateHired, Title)
SELECT STATUS, [TM#], LASTNAME, FIRSTNAME, [SSN#], HIREDATE, JOBTITLE
FROM Inserted
WHERE STATUS = 'TERMINATED'
CREATE VIEW dbo.Update_Terminations
AS
SELECT STATUS, TM#, LASTNAME, FIRSTNAME, SSN#, HIREDATE,
JOBTITLE
FROM dbo.EmployeeGamingLicense
WHERE (STATUS = N'TERMINATED')
Base the Trigger on this View rather then on the Table itself????
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Apr 27, 2008
Hi I'm new to sql and it would be great if someone could give some idea on how to do the following
This is the relational model:
Department(DeptNum, Descrip, Instname, DeptName, State, Postcode)
Academic(AcNum, DeptNum, FamName, GiveName, Initials, Title)
Paper(PaNum, Title)
Author(PaNum, AcNum)
Field(FieldNum, ID, Title)
Interest(FieldNum, AcNum, Descrip)
The question is :-
Which academics have the largest number of fields of interests? Return their academic number,
given name, family name, institution and total number of fields they are interested in. Your must use a
subquery in the sense that you must use 2 sql statements and use any of the following to connect both:-
1)Exists
2)Not exists
3)IN
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Sep 18, 2006
I have a table call CLIENTE and another table call ENDERECO where the CLIENTE table has the FOREIGN KEY of the ENDERECO table.
When I try INSERT COMMAND in C# this message is show.
The instruction INSERT conflicted with a constraint of FOREIGN FUNDAMENTAL "FK_CLIENTE_ENDERECO." The conflict happened in the database "E:ARQUIVOS DE PROGRAMASMICROSOFT SQL SERVERMSSQL.1MSSQLDATALINETEC.MDF", table "dbo.I ADDRESS", column 'IDENDERECO.'
The instruction was concluded.
I am a "little" lost.
Thanks.
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Mar 21, 2007
Hi there,
I have number of tasks in my control flow most of them are execute sql task. I want to update one of the column in my table when anyone of the task in the control get fails?
Please let me know if anyone have an idea how to do this.
Thanks and Regards
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Apr 18, 2006
How can I design reports for Reporting Services without using Visual Studio.NET?
I have an SQL Server 2000 with RS but I dont have a tool for designing reports.
Thx for help
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Apr 5, 2004
Friends,
Who is responsible for the Design of Database? System Analyst, DBA, Databse Designer, Project Leader? Coz I am working as a System Analyst, but now desgining the Databse for the ERP package which I feel is another man's work. Confussed. Plz help me.
Anil
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Aug 22, 2007
I am new to sql server. Currently i am using sql server 2000. i have created two tables course and student , with course_id and stu_id , as primary key of the respective tables.
Now i am trying to relate them through the diagram , in order to create a relationship between the two. When i try to draw a relationship between stu_id and course_id , i get the following error
error: Unable to create relationship 'FK_stud_course'.
ODBC error: [Microsoft][ODBC SQL Server Driver][SQL Server]ALTER TABLE statement conflicted with COLUMN FOREIGN KEY constraint 'FK_stud_course'. The conflict occurred in database 'student', table 'course', column 'course_id'.
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Sep 21, 2007
Im creating a sample database for purposes of keeping track of employee's jobs + billing codes for that job. currently they just use an excel spreadsheet to keep track of billing.
Question 1:
What would be the easiest way for the manager to enter billing codes? Billing codes are numbers like 956, 958, 805 and they co-relate to prices for each billing code.
1. I want the manager to enter the billing code and have the sql database find out how much that code is and add them up daily. This would prevent the manager from having to input prices and billing codes, and extra step.
Any links on the above topic would be helpful. I'm not looking for anyone to spoon feed me code just point me in the right direction. Im relatively new to sql having only a class of sql @ ITT.
Heres the way I have the db tables laid out currently.
employee table
employee_id
technumber
fname
lname
address
workphone
homephone
trucknumber
officelocation
employeejobs table
employee_id
jobs_id
jobs table
jobs_id
codes
date
timeframe
city
hours table
hours_id
employee_id
hoursworked
month
Any info would be much appreciated, Im going to go find a sql book now ;).
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Jul 20, 2005
Hi All,I have a table below and I want to design a query to pull all themembers from the TABLE into a Query Result and into a single column withpoints assigned appropriately, but I am having a lot of difficultiesdoing this. Any help is greatly appreciated.TABLEMEMBER1 MEMBER2 POINTSJoe Don 2Macy 1Jack Nick 2Joe Rob 2This is a result I would like to generate from the queryQuery ResultMEMBERS Total PointsJoe 2Don 1Macy 1Jack 1Nick 1Rob 1Thank you,Jim*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!
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May 9, 2008
Hi
I am SSIS newbie and need help in desigining this flow.
Source Sqlserver2005
Select records based on complex sql statement from a [InstanceA].[DatabaseA].[TableA]
Target Sqlserver2005
Insert the records into another table [InstanceB].[DatabaseB].[TableB] only if these records are not present
Take the records from [InstanceB].[DatabaseB].[TableB] and insert it into
[InstanceB].[DatabaseB].[TableC] only those records which are not in C
And finally
Take the records from [InstanceB].[DatabaseB].[TableB] Join them with
[InstanceB].[DatabaseB].[TableC] and insert it into
[InstanceB].[DatabaseB].[TableD] only those records which are not already in D
Can somebody please help me in visualising this solution .
I am having problems populating a target and then using that populated
target as a source for subsequent targets.
regards
Hrishy
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Jul 18, 2007
HI gurus,
I need help with database design. I am doing a bowling league program.
1. each bowling center has 1 or more leagues
2. each league has 2 or more teams
3. each team has 2 or more bowlers
4. each week each team bowls 3 games
5. summer leagues last ~13 weeks
winter leagues last ~36 weeks
Tables I have + is primary key FK is foreign key
BowlingCenter
+ CenterID
......
League
+ LeagueID
FK CenterID
.......
Team
+ TeamID
FK LeagueID
Bowler
+ BowlerID
FK TeamID
Here I am lost. How do I do the 3 games a week for 13 or 36 weeks AND associate the 3 games each week with each bowler?
Any help would be appreciated.
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Mar 3, 2004
Lets say I have to insert 60,000 or so records into SQL Server from another data source using the sqlTransaction class.
However if at any point an error should occur I would like to roll back any changes.
Would a transaction be a bad idea when dealing with this many records?
Thanks for any advice.
SA
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Jul 23, 2005
Hi guysWe have a following problem. For security reasons in each table in ourDB we have addition field which is calculated as hash value of allcolumns in particular row.Every time when some field in particular row is changed we create andcall select query from our application to obtain all fields for thisrow and then re-calculate and update the hash value again.Obviously such approach is very ineffective, the alternative is tocreate trigger on update event and then execute stored procedure whichwill re-calculate and update the hash value. The problem with thisapproach is that end user could then change the date in the tables andthen run this store procedure to adjust hash value.We are looking for some solution that could speed up the hash valueupdating without allowing authorized user to do itThanks in advance,Leon
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Jun 23, 2007
Having no more experience than reading books online, here is an interesting idea I would like to run by you guys and you can let me know if it is feasible or tell me I need to put the crack pipe down...
We are going to increase the number of disks in our SAN, and I was speaking with the SAN administrator and he mentioned the shuffling of logical drives to match the new space. He said he is going to have to go through quite a few combinations/permutations on figuring out the best configuration for what data goes on the old vs. new to get the optimal space.
Is this something that can be modeled out? I can write something that recursively figures it out, but why not explore fun ideas with tools that may be able to do it?
Thank you in advance,
John Hennesey
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Nov 7, 2007
Hi,
Does anyone have any idea waht this means:
aspnet_wp!resourceutilities!5!07/11/2007-10:32:00:: i INFO: Reporting Services starting SKU: Developer
aspnet_wp!resourceutilities!5!07/11/2007-10:32:00:: i INFO: Evaluation copy: 0 days left
It is take from the ReportServer log file.
Thanks in advance for any response.
Jon
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Sep 12, 2007
I need help regarding what is a collate and where to use.If any examples with INNER JOIN it could be more helpful....
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Sep 22, 2007
Hi, not sure if this is the right forum for this question.
I am creating relational tables for the first time in sql server express. I will have an orderItems table and an orders table. the MenuItems table is the problem. It is a catalogue of books. There will be about ten columns. all are unique to each book. i.e isbn number, title, author, publisher etc. but ten columns seems to be quite cumbersome. it may be easier to break the table down into two tables (i.e. primary details and secondary details perhaps) However to populate the table in the first place it would be easier to have it as one table instead of opening and closing 2 tables Adding the odd book to the two tables in the future would not be a problem. so the question is can i create a table and then brak it into two relational tables afterwards. If so how do i do this. this is my foirst go at relational tables and i am still trying to get a handle on visualising them. If my logic is up the wall please let me know....
Nick
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Feb 13, 2008
Hey,I have a fairly large table for my keeping my information about users. My question is, would it be better to separate it, for example, create another table that has all the personal information (like city, street, etc)and have it related to my other table where more of the data-ish information is kept? Thanks,Sixten
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Jun 9, 2004
Hi all,
Does anyone know how I can design the database schema. I mean what tools can be used to the design the database and view the table relationships, etc. TIA.
Vik!
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Sep 22, 2004
Hi,
I want to define a table that has "order details" about one order where I can store a variable length list of prodcuts ordered in one order:
[prodID][qty][price]
That is to attch a collection of products to one order entry.
Thank you,
shlomi711
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Dec 5, 2005
One interviewer has asked me the following question:
What are the things that you consider while designing database?
I have told about integrity constraints, and normal forms.
but he has added 15 more concepts like
1. indexers
2. Table columns
3. Table rows
4. search facilities
6.......
Can any one give full Idea on this question?
Thanking you Ashok kumar.
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Nov 22, 2005
Hi,
My current project requires me to convert a mysql based software to a more generic one. I started by designing separate db class files and separated the lower level connection queries from the business logic. By doing this, I now have mssql.class, mysql.class, sqllite.class etc..
But am not sure how to handle sql functions in queries. For instance, one of my queries need the use of a date function to add minutes to a db field.
In mysql, I accomplish this using
dbfield+interval '$arg' minute between date1 and date1
But in mssql I cannot use this type of query. It seems I'll have to use date_add() function. How do I handle this situation?
My frontend scripting language is php
Thanks d'advance
Celia
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Apr 24, 2008
With my next application, I'm thinking about establishing a new security paradigm for my programs, with respect to SQL Server.
In all my previous applications, connections are established using SQL Server authentication. So, all my users may log-in under a single log-in, mapping to a single user in a database. My application then has to use its own security arrangement to determine who has access to what forms within the application. There are three major problems with this design: 1) the user name and password to connect to the SQL server have to be resident as strings somewhere in the application code (or ancillary files), 2) everyone connecting to the SQL Server "looks" the same, and 3) you have to give the broadest rights to everyone with the same login and then pare those rights down within the application itself.
By implementing multiple SQL Server Authentication logins I can mitigate problems 2) and 3), but the only way to eliminate problem 1) is to move to Windows Authentication.
Windows Authentication would allow me to resolve all three design constraints, but there is one problem that I see coming as a result.
If I use Windows Authentication, each user must have an independent login to the SQL Server. If I have an application that may have 4,000 to 6,000 users, does that means I have to have 4,000 to 6,000 logins set up on SQL Server?
Is that true?
I could, of course, generate a script to build all 4,000 to 6,000 users, but I am concerned about this.
Is this a "normal" arrangement that SQL Server has no problem-with?
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Feb 26, 2004
Case 1:
A company is involved into e-commerce..hosting multiple websites for different products.
CAse 2:
The above scenario could also be implemented with a single site having multiple products for sale.
For Case 2 one would go for a single database for all the products.
While for CAse 1 ,a separate Database is developed for each Site.
What I fill is CAse2 is a more appropriate choice even if we have multiple sites for different products.
This would help us in rapid development of any ecommerce site...
ANd better ERP management for the Company.
I would appreciate some expert guidelines for the above scenario
Thanx in Advance
Warm Regards
Girija
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May 14, 2008
I'm currently developing an ASP.NET site with SQL Server 2005 Standard and I'd like to ask a question about the future of the database. It needs to have continuity and performance. I'm thinking about doing replication or mirroring for continuity and table partitioning for performance. I admit I've never done any of those before and I'll learn about them but they're not needed at this time. The question is, I'm currently designing the database and do I have to anything for consideration for those things I'm thinking of implementing later? For example, I'm using Identity in my tables but I've heard about identity crisis using replication with identity columns, therefore I'm thinking of using Guid's but now I fear the Guid column index itself will be the slowdown factor in the first place.
Any suggestions to consider? I'd appreciate any opinions.
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Mar 7, 2006
Hi i am designing a database. It will be used by field guys who will insert new records and will replicate at the end of the day with a central database using merge replication. Can anyone tell me if I am choosing wisely or not with the following 3 points:
1. i am going to use a uniqueidentifier value in a column (using newid()) for the merge replication. (I don't care that it's an ugly value as i never plan to look at it.
2. I am using an identity column (INT)to create a unique value within the table
3. I want to create a unique column comprising of data from other columns (e.g. date+identity+salesrep) This gives me an intelligent candidate for a primary key. But I think i have to create this with an instead of trigger (is that right)
many thanks in advance
ICW
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Mar 19, 2008
I have a flat /derived table of orders that customers made, virtually
order_tbl
(
order_id
,item_id
,product_id
,product_price
,product_name
,customer_id
,customer_name
,order_price
,order_tax
,order_date
,order_year
,order_month
,order_day
)
and I would like to have:
1.update on this derived table daily (how/what should I do - with triggers/jobs against the original tables?)
2.create a view that would show:
- by years the percentage of sold products
- quarterly percentage of new customers / rebuyers / etc.
- ...
3. Thinking of making a cube in BIDS (with dimensions / measures)
Any help is appreciated. :-)
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