SQL 2005 Database Design (Table Names)
Apr 14, 2006
In the past, we had table names such as:
PurchaseOrders
SalesOrders
Now with SQL 2005, you can use schema namespaces, so it could become:
Purchasing.Orders
Sales.Orders
So essentially you can use exactly the SAME table names, in different schemas.
So... would you recommend to change to the last model, or just stay with the old way?
What is best practice?
One of the reasons why I ask this question is that I looked at the AdventureWorks sample database included with SQL Server 2005, and Microsoft is using:
Sales.SalesOrderDetail
Purchasing.PurchaseOrderDetail
etc...
Why not:
Sales.OrderDetail
Purchasing.OrderDetail
etc...
????????
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Nov 2, 2015
In our application we are copying data between 2 sqlserver databases using linked server. Say, sqlserver1 is source and sqlserver2 is destination, then, our application will be on sqlserver2 box and will copy data from sqlserver1 to sqlserver2.
User also need to choose from which database of sqlserver1, the data need to be copied. This data is our application data.. Nothing related to sqlserver database.
We are using the following query, to get the database names of the source sqlserver..
SELECT * FROM <linked server to dest db>.master.sys.databases
My questions is : is this query generic enough that works on all sqlserver versions?
Is the master database name of sqlserver configurable or its alwasys fixed as "master"?
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Aug 5, 2015
I am trying a create views that would join 2 tables:
Table 1: Has all the columns need by a view (
Name: Product
Structure: ID, Attribute 1, Attribute 2, Attribute 3, Attribute 4, Attribute 5 etc
Table 2: Is a lookup table that provides the names of columns
Name: lookupTable
Structure: tableName, ColumnName, columnValue
Values: Product, Attribute1, Color
Product, Attribute2, Size
Product, Attribute3, Flavor
Product, Attribute4, Shape
I want to create a view that looks like
ID, Color, Size, Flavor, Shape
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Jul 23, 2005
We're trying to use DTS from SQL Server 2005 beta 2 to query datafrom an Informix IDS server via OLEDB.Unfortunately DTS is building queries of the form:select * from "database":"owner"."tabname"and the quoted table name is being rejected by the Informix server as asyntax error.Is there a way to keep DTS from quoting the table name in queries? Or isthis happening within the OLEDB provider?Thanks.--John HardinDevelopment and Technology group (Seattle)CRS Retail Systems, Inc.
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Apr 13, 2007
I have two questions:
1. Which system table (data dictionary) I can select to get all table names in one database?
2. What sql command can I use to get a definition about a table?
Thanks
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Apr 9, 2008
ho w do i get all the database names from my local machine which are present in the sql sevrer 2005
i also need how do i get the names of all the tables,views,stored procedure names
in the particular database
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Apr 24, 2008
Hello,
I have ran into a problem when i'm getting table names in c#.
I have tried the sql command:
select name from sysobjects where type='U' order by name
So it returns the names without a problem. But when I try to access to some tables using their names (to retrieve the columns) I sometimes get the error "Invalid object name" following by the name of the table.
So I realized the if the table was not under dbo user then i would get this error.
for example: "select name from ContactCreditCard"
gives me error because in database management tool it is shown like this: Sales.ContactCreditCard
How can i fix this problem? How to get that prefix of the tables?
Thank you,
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Mar 10, 2001
I have a database and I want to retrieve informations about all tables
defined in this database. In other words I need the table list defined in
database. Can you help me?
Thank you.
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Aug 31, 2005
How to get the list of table names in a SQL2005 database?
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Aug 3, 2007
Can anybody tell me how to find out whether a particular column exists in any of the tables of a database and if it does, display the table names?
Thanks
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May 5, 2004
Hi there,
I am trying to create a list of all the tables in one database and then list the size of each table. So for example I want to create a table with the table name and table size for one DB
E.g
Table1 1111KB
Table2 123300MB
Table3 120448KB
etc for all the tables in a particukar DB
I know there is a stored procedure to list the sizes: 'sp_spaceused' but not sure how to script all this together.
can anyone help please!!
From
NewToSQL
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Jan 10, 2007
Hello!Is it possible to pass a stored procedure a parameter, say @table anduse it as a table in the sql command?Finally i want a proc to copy tables from a database to another database.THERE IS MY CODE:CREATE PROCEDURE [user].[copytable]@dbSRC varchar(100),@dbTRGT varchar(100),@table varchar(100)ASBEGIN TRANSACTION FreeAndCopyTableTRUNCATE TABLE [@dbTRGT].admin.[@table]INSERT INTO [@dbTRGT].admin.[@table]SELECT *FROM [@dbSRC].admin.[@table]COMMIT TRANSACTION FreeAndCopyTableIF @@error <0 GOTO E_Copy_FailE_Copy_Fail:ROLLBACK TRANSACTION FreeAndCopyTableGOthanks in advance,muh
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Mar 1, 2015
I am designing a package to export staging tables into a flat file.The names of the tables will be: TableAStaging_YYYYMM and TableBStaging_YYYYMM. As you can see the names of the tables will be changing each month.
The flat files will have similar naming: C:MyPathFlatFileTableAStaging__YYYYMM and C:MyPathFlatFileTableAStaging__YYYYMM.I want to run the package as an sql job in two steps, one for each table.I need to dynamically pass the table names and file names (together with the path) to the IS package.
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Dec 13, 2004
I have been discussing with some coworkers whether or not it makes sense to invest the time to alphabetize the column names in our tables (aside from the PK and possibly FK's that could be listed first). My reasoning for doing so would make it much easier to scan the list of columns in a table that I was not familiar with to see if it contained a particular column (i.e. meeting_id). I was just wondering if this is common at all in our industry for new DB design (I realize why legacy systems would not be ordered in this way). I remember seeing MSFT designed their tables this way when Site Server first came out.
An argument was made that when you add a new column you would insert it into the appropriate location and in order to make this happen, EP needs to create a temp table, move the data and consequently lock the table until the data has been transferred. While this is correct, I do not see this negative as outweighing the positive experience achieved by scanning a list of fields in a table in a more orderly fashion.
Thoughts?
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Feb 13, 2008
I have a question regarding table design (I'm using SQL Server Express 2005). Is it better and is there a performance gain by using layout # 2 instead of layout # 1? Someone told me it was better to divide everything up but it seems kind of useless here, plus it complicates the handling. So I want to know which one is faster (or better) considering large amount of records. Thanks! Layout # 1Objet==========ObjetIDClientIDObjetTypeStateObjetNoTitleDescriptionStartDateReturnDateEndDateLayout # 2
Objet==========ObjetIDClientIDObjetTypeStateDetailsObjet==========DetailIDObjetIDObjetNoTitleDescriptionStartDateReturnDateEndDate
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Feb 27, 2005
Im trying to design a database to use in SQL server , the design i've got now is working but It just doesn't look right to me and there must be a better way to set things out.
Heres the current situation
Theres 3 tables
USERTYPES
USERS
TICKETS
The users table holds the user information i.e.
userID
userName
Phone Number
userTypeID *
It contains a foreign key called userTypeID which is a primary key of USERTYPES
The USERTYPES table contains the two types of users on the system , these are standard and admin, so the table looks like this.
USERTYPESID
typeName
The TICKETS table holds the ticket details of tickets submitted by users. so
ticketID
ticketName
ticketDescription
DueDate
ticketRequestor *
AssignedTo *
Now here is where I have the problem, the ticketRequestor is a foreign key of the STAFF table staffID however AssignedTo is also a foreign key of the STAFF table staffID.
Currently in order to get this working i've had to turn off the enforce relationship for the AssignedTO - staffID link but idealy I think this enforce relationship should be on to ensure its a truely relational.
any ideas as to what I need to do to organise the relationships better ?
thanks
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Jan 22, 2004
Hi
I was wondering if anyone has an idea of how we could find the table names and column names of the tables in our Sql server database at runtime/dynamically given our connection string? Please let me know.
Thanks.
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Jan 11, 2007
HiI am facing a problem in designing a database for my project.Please help
I have hotel Information.The hotel allocates rooms for my company.This is done on weekly basis.
Now suppose in first week of a year the number of rooms allocated to the company is 3,2ndweek =5,3rdWeek=5 and so on...
So when i search based on a week i should have one result setIf i search based on MOnth i should have one result set.. in this way.
So what fields i need to take in a database table so that when i search based on week /month/quarter/year i get different resultsets.
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Jan 15, 2008
Hi all,
I have to come up with a design choice for a DB Table for a financial firm(i.e. Tables with Fixed column or Value-Pair).
Case: SQL Server 2005 is used as a back-end for a web application(which basically is designed for doing web based analysis). The business people are insisting on a feature that enable power users to add fields to the underlying tables. One option proposed is named value-pair design approach? But from performance point of view, this seems a nightmare. How can this be integrated into static-column table approach. FYI, security policy of the client do not allow the underlying table structures to be changed by the user and currently
there are 5000 fields, with a possibility to grow.
Thanks so much for your suggestions!!
Dilla
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Jul 22, 2015
The database has approx. 2500 temporary tables. The temp tables match a pattern such as APTMP... I tried deleting the tables in SSMS with the statement, Delete from Information_Schema.tables where substring(table_name,1,5) = 'APTMP' This returns the error message"Ad hoc updates to system catalogs are not allowed".
What is the correct way to delete a group of tables whose name match a pattern from within SSMS?
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Mar 23, 2015
I have questions table and answers in survey database. Now I design responses table from users !
CREATE TABLE [dbo].[Response](
[ResponseId] [int] IDENTITY(1,1) NOT NULL,
[SurveyId] [int] NULL,
[QuestionId] [int] NULL,
[AnswerId] [int] NULL,
[VoterId] [int] NULL,
[Code] ...
My Questions : How can I store data if questions is multiply answers (checkbox type) ?What is best way ?
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Jan 24, 2008
Hi
I have a table (Sql server 2000) which has 14 cost columns for each record, and now due to a new requirement, I have 2 taxes which needs to be applied on two more fields called Share1 and share 2
e.g
Sales tax = 10%
Use Tax = 10%
Share1 = 60%
Share2 = 40%
So Sales tax Amt (A) = Cost1 * Share1 * Sales Tax
So Use tax Amt (B) = cost1 * share2 * Use tax
same calculation for all the costs and then total cost with Sales tax = Cost 1 + A , Cost 2 + A and so on..
and total cost with Use tax = Cost1 +B, Cost 2 +B etc.
So there are around 14 new fields required to save Sales Tax amt for each cost, another 14 new fields to store Cost with Sales Tax, Cost with Use tax. So that increases the table size.
Some of these fields might be used for making reports.
I was wondering which is a better approach out of the below 3:
1) To calculate these fields dynamically while displaying them on the User interface and not save in DB (while making reports, again calculate these fields dynamically and show), or
2) Add new formula field columns in database table to save each field, which would make the table size bigger, but reporting becomes easier.
3) Add only those columns in database on which reports needs to be made, calculate rest of the fields dynamically on screen.
Your help is greatly appreciated.
Thanks
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Jan 24, 2008
Hi
I have a table (Sql server 2000) which has 14 cost columns for each record, and now due to a new requirement, I have 2 taxes which needs to be applied on two more fields called Share1 and share 2
e.g
Sales tax = 10%
Use Tax = 10%
Share1 = 60%
Share2 = 40%
So Sales tax Amt (A) = Cost1 * Share1 * Sales Tax
So Use tax Amt (B) = cost1 * share2 * Use tax
same calculation for all the costs and then total cost with Sales tax = Cost 1 + A , Cost 2 + A and so on..
and total cost with Use tax = Cost1 +B, Cost 2 +B etc.
So there are around 14 new fields required to save Sales Tax amt for each cost, another 14 new fields to store Cost with Sales Tax, Cost with Use tax. So that increases the table size.
Some of these fields might be used for making reports.
I was wondering which is a better approach out of the below 4:
1) To calculate these fields dynamically while displaying them on the User interface and not save in DB (while making reports, again calculate these fields dynamically and show), or
2) Add new formula field columns in database table to save each field, which would make the table size bigger, but reporting becomes easier.
3) Add only those columns in database on which reports needs to be made, calculate rest of the fields dynamically on screen.
4) Create a view just for reports, and calculate values dynamically in UI and not adding any computed values in table.
Your help is greatly appreciated.
Thanks
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Jul 24, 2015
I am creating a simple application form using visual studio 2015. I can create database.mdf successfully and create dbo.table successfully. but when i tried to view table by expanding the table icon on the server explorer, the table should be able to show list of table but it didn't show any record and why is it like that.
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Aug 9, 2007
Hello,friends
1) CustomerID
2) FirstName
3) MiddleName
4) SurName
5) Title
6) Marital Status
7) Education
8) Occupation
9) Annual Income
10) Line of Business
11) DOB
12) Father Name
13) Mother Name
14) SpouseName
15) Gender
16) Email
17) MainTel
18) Home Tel
19) Passport Number
20)----------------------
21)- - - - - - - - - - -
100)-------------------
Above mentioned list is a snapshot of our customer master table ,which contain approximately 100 attributes related to a customer.
We are designing an application for banking sector (but NOT Core banking solution),for which we may need to capture variable number of addresses for bank's customer,i.e more then three types of addresses Fixed,Temporary and Communication addresses(which is generally the case with all banks).
A single address includes address1/address2/city/country/state/pincode fields.
In context of OLTP database,We have option to put multiple addresses in child table but that involves various joins at the time of data retrival and slow down the query.
As another option we can can create redundent addresses columns(address1/address2/city/country/state/pincode) in master table that will accumulate addresses if demand for more then three type addresses arises(although there is reasonable numer of extra addresses is expected, i.e 10)
Database is expected to serve the records of 25 million(approx) bank's customer,so does someone can suggest me how to maintan the balance between two approches.
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Dec 11, 2007
Hi,Facts:I created a database to support an application that tracks events ondifferent objects. The two main tables are tbl_Object andtbl_EventLog. Each table has unique ID and on the tbl_EventLog thereis FK for a record in the tbl_Object. The events are inserted all thetime for the same or different objects from the tbl_Object. There areabout 600,000 objects in the tbl_Object and 1,500,000 (and growing)events in tbl_EventLog.Question:The user often wants to know what the last event was for a specificobject.What is the best way of retrieving the last event?Should I simply do a max(eventdatetime) on a specific object? orShould I add a LastEventID column to tbl_Object and update it everytime a new event is inserted? or any other way to implement it?I chose the second method because I didn't think it made sense searchthe event table everytime the user wants to know the last event, but Iwanted to know what the experts thought.Please let me know what you think.Thank you,Oran Levin
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Aug 8, 2007
I would like to create a database that keeps track of our companies subject matter experts. I have roughed out some of the tables. I would appreciate any feedback on if this is the right approach and if there might be any issues when I start writting a front-end (probably VB 2005).
What makes this interesting (at least for me) is that a subject has an owner and at least 1 "expert", possibly up to 3. Here is what I am thinking for tables:
tblEmployee
EmployeeID (PK)
LastName
FirstName
etc......
tblSubject
SubjectID (PK)
Description
tblOwner
SubjectID (FK)
EmployeeID (FK)
tblExpert1
SubjectID (FK)
EmployeeID (FK)
tblExpert2
SubjectID (FK)
EmployeeID (FK)
tblExpert3
SubjectID (FK)
EmployeeID (FK)
Does this make sense? Would I run into any issues when trying to display this on a form in VB?
Thanks in advance for any help!!!!!
Cal
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Aug 22, 2015
I know how to generate scripts that would contain insert queries of all records in all tables. But how can I limit this to top 10 records only from each table?I can select "Data Only" when generating the script, but it generates insert queries for all data. How can get the script to have only top 10 record insert statements? These top 10 should be ordered by the primary key.
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Jan 21, 2004
I'm trying to do an update query that looks like this:
UPDATE
PAEMPLOYEE
SET PAEMPLOYEE.LOCAT_CODE = EMPLOYEE.PROCESS_LEVEL
FROM
PAEMPLOYEE A
JOIN EMPLOYEE B ON A.EMPLOYEE = B.EMPLOYEE
It's erroring out on the Employee prefix B.EMPLOYEE saying:
..."does not match with a table name or alias name used in the query"
Is it wrong or will it cause problems to have a field name the same as the table name?
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May 13, 2015
I have a scenario like below
Product1
Product2 Product3
Product4 Product5
Product1 1
1 0 0
1
Product2 1
1 0 0
1
Product3 0
0 1 1
0
Product4 0
0 1 1
0
Product5 1
1 0 0
1
How to design tables in SQL Server for the above.
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Aug 18, 2015
I would like to create a table called product. My objective is to get list of packages available for each product in data grid view column while selecting each product. Each product may have different packages type (eg:- Nos, CTN, OTR etc). Some product may have two packages and some for 3 packages etc. Quantity in each packages also may be differ ( for eg:- for some CTN may contain 12 nos or in other case 8 nos etc). Prices for each packages also will be different that also need to show. How to design the table..
Product name :
Nestle milk |
Rainbow milk
packages :
CTN,OTR, NOs |
CTN, NOs
Price:
50,20,5 |
40,6
(Remarks for your reference):CTN=10nos, OTR=4 nos
| CTN=8 Nos
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Feb 13, 2002
Ok, I'm doing a football database for fixtures and stuff. The problem I am having is that in a fixture, there is both a home, and an away team. The tables as a result are something like this:
-------
Fixture
-------
fix_id
fix_date
fix_played
----
Team
----
tem_id
tem_name
-----------
TeamFixture
-----------
fix_id
tem_id
homeorawayteam
goals
It's not exactly like that, but you get the point. The question is, can I do a fixture query which results in one record per fixture, showing both teams details. The first in a hometeam field and the second in an away team field.
Fixture contains the details about the fixture like date and fixture id and has it been played
Team contains team info like team id, name, associated graphic
TeamFixture is the table which links the fixture to it's home and away team.
TeamFixture exists to prevent a many to many type relationship.
Make sense? Sorry if this turns out to be really easy, just can't get my head around it at the mo!
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Jun 24, 2007
I am new to this type of programming and and have read all articles on adding an image to the database and it seems they all use sql queries to add an image but I want to add an image at design time. I am using Visual Basic 2005. I am also using Visual Basic 2005 Express Edition to try the same thing. I am trying to build a Translator program for english to Brazilian Portuguese and the reason I want to add the images is so that when I translate the word cat from english to Portuguese, I can also show an image of a cat. Can anyone please help me
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