How Do I Create A Lookup Table In SQL?
May 12, 2008
Table 1
Skill_ID SkillName
1 xml
2 oracle
3 sql
4 vb
Table 2
EMP_NAME SKILL_ID_1 SKILL_ID_2 SKILL_ID_3
JOHN DOE 1 4 null
JANE COLE 3 4 null
SAM COOK 1 2 4
I want to return the following:
RETURN DATA
EMP SKILL_ID_1 SNAME1 SKILL_ID2 SNAME2
JOHN DOE 1 xml 4 vb
JANE COLE 3 sql 4 vb
SAM COOK 2 oracle 3 sql
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Mar 23, 2008
i have very very basic knowledge of SQL like the ability to add, delete, update, select records and the ability to drop/create tables but i want to know how to integrate a lookup table into a field (very much like MS Access users can do with ease).
here is my example;
i have two tables - Club and Player
Club:
Club_Id
ClubName
Abbr
Player:
Player_Id
Name
Club_Id
the idea is that a single club can have several players. in the players table, i want the Club_Id field to act as the drop down whereas if a player changes club at any time, i can just refer to that player and change his Club_Id by scrolling down a list of values in SQL Server Management Studio 2005.
how can this be achieved by any chance, help would be very much appreciated.
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Nov 27, 2007
I have a database that I have been creating and testing. I have added some junk data and some data into lookup tables. Is there a way to create a clean copy of the db and keep the lookup table data? Also will I be able to create the db under a new name?
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Oct 25, 2007
I am looking for the best way in SSIS to do the following. I have an SQL table that for each row in the table I want to take an element from the table do a lookup in a Teredata Table, return information from the teredata source. Use that returned data to do some calculations and create a derived column from my calculations and place the data into the same SQL table that I am parsing through.
Ideas?
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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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Oct 31, 2007
We did some "at scale" fuzzy lookup tests today and were rather disappointed with the performance. I'm wanting to know your experience so I can set my performance expectations appropriately.
We were doing a fuzzy lookup against a lookup table with 25 million rows. Each row has 11 columns used in the fuzzy lookup, each between 10-100 chars. We set CopyReferenceTable=0 and MatchIndexOptions=GenerateAndPersistNewIndex and WarmCaches=true. It took about 60 minutes to build that index table, during which, dtexec got up to 4.5GB memory usage. (Is there a way to tell what % of the index table got cached in memory? Memory kept rising as each "Finished building X% of fuzzy index" progress event scrolled by all the way up to 100% progress when it peaked at 4.5GB.) The MaxMemoryUsage setting we left blank so it would use as much as possible on this 64-bit box with 16GB of memory (but only about 4GB was available for SSIS).
After it got done building the index table, it started flowing data through the pipeline. We saw the first buffer of ~9,000 rows get passed from the source to the fuzzy lookup transform. Six hours later it had not finished doing the fuzzy lookup on that first buffer!!! Running profiler showed us it was firing off lots of singelton SQL queries doing lookups as expected. So it was making progress, just very, very slowly.
We had set MinSimilarity=0.45 and Exhaustive=False. Those seemed to be reasonable settings for smaller datasets.
Does that performance seem inline with expectations? Any thoughts to improve performance?
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Oct 31, 2006
Hi,
i'm creating a Lookup programmatically. But i can't find out how to assign the ConnectionManager that references the lookup data.
Do you have an example for me?
Many thanks in advance.
Stefan L.
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Aug 4, 2006
Hi all,
I am redirecting the critical lookup errors to the flat files. These flat files got created regardless if there are lookup errors or not.
Is there a better way to conditionally create them only when there are lookup errors?
Thanks.
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Apr 1, 2014
I am stuck on finding a solution to transpose source data from a system via a metadata look-up table into a destination table. I need a method to transpose/pivot the source data into columns (which are by various data-types). The datatypes for each column are listed in a metadata table.
Source Data Table:
Table Name: Source
SrcID AGE City Date
01 32 London 01-01-2013
02 35 Lagos 02-01-2013
03 36 NY 03-01-2013
Metadata Table:
Table Name:Metadata
MetaID Column_Name Column_type
11 AGE col_integer
22 City col_character
33 Date col_date
Destination table:
The source data to be loaded into the destination table(as shown below):
Table Name: Destination
SrcID MetaID col_int col_char col_date
01 11 32 - -
01 22 - London -
01 33 - - 01-01-2013
02 11 35 - -
02 22 - Lagos -
02 33 - - 02-01-2013
03 11 36 - -
03 22 - NY -
03 33 - - 03-01-2013
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May 4, 2006
Hello,I have a query that I need help with.there are two tables...Product- ProductId- Property1- Property2- Property3PropertyType- PropertyTypeId- PropertyTypeThere many columns in (Product) that reverence 1 lookup table (PropertyType)In the table Product, the columns Property1, Property2, Property3 all contain a numerical value that references PropertyType.PropertyTypeIdHow do I select a Product so I get all rows from Product and also the PropertyType that corresponds to the Product.Property1, Product.Property2, and Product.Property3ProductId | Property1 | Property2 | Property3 | PropertyType1 | PropertyType2 | PropertyType3 PropertyType(1) = PropertyType for Property1PropertyType(2) = PropertyType for Property2PropertyType(3) = PropertyType for Property3I hope this makes sence.Thanks in advance.
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Sep 26, 2007
I'm working with an existing package that uses the fuzzy lookup transform. The package is currently working; however, I need to add some columns to the lookup columns from the reference table that is being used.
It seems that I am hitting a memory threshold of some sort, as when I add 3 or 4 columns, the package works, but when I add 5 columns, the fuzzy lookup transform fails pre-execute:
Pre-Execute
Taking a snapshot of the reference table
Taking a snapshot of the reference table
Building Fuzzy Match Index
component "Fuzzy Lookup Existing Member" (8351) failed the pre-execute phase and returned error code 0x8007007A.
These errors occur regardless of what columns I am attempting to add to the lookup list.
I have tried setting the MaxMemoryUsage custom property of the transform to 0, and to explicit values that should be much more than enough to hold the fuzzy match index (the reference table is only about 3000 rows, and the entire table is stored in less than 2MB of disk space.
Any ideas on what else could be causing this?
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Aug 29, 2006
I am looking for a good method to do table lookups in a 2003 SQL database. I am retrieving products from an item table and then want to do value lookups in related tables in the same database like category name, category type, brand name etc. These values are referenced in the item master file by guid links to related tables.I am using a datareader to loop through the Select records and then I am writing results to a tab delimited data file for a data conversion. I am limited to net 1.1 and so can't use the 2.0 executescalar for single lookups.What would be the more efficienct method to use?'Dim myItemData As New DataReader Dim myItemReader As SqlClient.SqlDataReaderDim myItemCommand As New SqlClient.SqlCommand Dim myConnection = New SqlClient.SqlConnection("server=sql01.xxx") myItemCommand.Connection = myConnectionmyItemCommand.CommandText = "SELECT ""mf_items"".""item_guid"", ""mf_items"".""item_description"", ""mf_items"".""item_wholesale_price"", ""mf_items"".""item_description_title"",""mf_items"".""item_cd"",""mf_items"".""category_guid"" FROM ""CDB006"".""dbo"".""mf_items"" WHERE ""mf_items"".""item_closed"" = 0 And ""mf_items"".""item_visible"" = 1 AND ""mf_items"".""item_available"" = 1"myItemCommand.Connection.Open()myItemReader = myItemCommand.ExecuteReader()Dim myfileout As StreamWritermyfileout = File.CreateText(Server.MapPath("out.txt"))myfileout.WriteLine("link" & vbTab & "title" & vbTab & "description" & vbTab & "price" & vbTab & "image_link" & vbTab & "category" & vbTab & "id")While myItemReader.ReadIf myItemReader.Item(4).ToString() > "" And Val(myItemReader.Item(2).ToString) > 0 Then'what method to to look up for example the category name using the category_quid referenced in the item master'Write out record for parts file
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Jan 29, 2004
Hi
I'm designing a database for my final year project at University, and have run into a bit of a dilemma with one of the tables. Basically, it's an equipment loan database where both students and lecturers need to be able to book and borrow equipment. To avoid having two separate bookings tables (i.e. StudentBookings and LecturerBookings) I've got students and lecturers combined into one table called 'Borrowers'. The trouble comes because the clients want the lecturer storing in the booking information table, which can get quite messy because lecturer information is stored in the same table as borrower information meaning that I basically need to relate both the Booking.BorrowerID and Booking.LecturerID to Borrowers.BorrowerID.
In theory, I think this could be solved by creating a View called Lecturers that pulls the required information for Lecturers out of the Borrowers table and then link Booking.LecturerID to the ID of the view. In practice, I've got a couple of queries:
1) Is it possible to perform a JOIN on a view in the way that I would need to here?
2) To keep things nice and clear, is it possible to 'rename' the BorrowerID to LecturerID whilst creating the View?
Sorry if some of this isn't too clear. Please ask any questions to clarify what I mean if you need to.
Cheers
Jon
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Feb 23, 2006
Hi,
I'm inserting records into a Table1 with the following fields :
tabID int 4ClientID int 4..etc etc.
In the insertitem template, I want the user to enter a Clientcode into textbox1. Then I want that client code validated against a lookup table, ClientTable and if valid, get the ClientId value from that ClientTable, so that I can populate the ClientID field in Table1.
I've got a mental block and I cannot see how I can do that !
Any ideas most gratefully appreciated.
Thanks
Sunil
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Jul 11, 2013
I have a table "Ratings" in which I store rating categories like the following:
FROM TO Rating
1 10 1
11 20 2
21 30 3
In another table "Results" I have the actual results like:
Employee ID Results Rating
120 6 ?
130 18 ?
Now I would like calculate the rating in the results table in the rating column (where "?" in the above example)
How can I do that with an SQL update command - maybe using a Case statement - but I don't know how to do that by looking up values from another table...
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Jul 9, 2006
I'm trying to do a table lookup in t-sql and runing into problems. I have two tables, City and County..
Table City:
CityID CountyID CountyName
1 3 NULL
2 2 NULL
3 1 NULL
Table County:
CountyID CountyName
1 Los Angeles
2 Contra Costs
I want to populate the NULL "CountyName" field in table City with the values from table County but I can't make it work! Any help appreciated.
Barkingdog
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Jun 26, 2007
I have another lookup table question
so say i have an employee table, and a department table. all the department table will do is store the names of the different departments so how should this be set up using MSSQL
Employee
EmployeeId
FN
LN
DeptName (fk)
Department
DeptId (pk) unique
DeptName unique
*** Or could i do this to make the employee record more meaningful without needing a join. ***
Employee
EmployeeId
FN
LN
DeptName (fk)
Department
DeptId (pk) unique
DeptName unique
*** Or should i just do this and get rid of the Id Field***
Employee
EmployeeId
FN
LN
DeptName (fk)
Department
DeptName (pk) unique
thanks all
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Feb 13, 2007
Hello,
I have few columns at some level, and now I need to add a column from another database table based on the values from one of the existing columns.
It seems that Lookup Transformation doesnt support parameterized query.
Any clue ?
Thanks
Fahad
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Oct 26, 2006
Hi there
I'm getting into trouble everytime I want to setup a dataflow containing 2 or more flows, where I want to make a lookup into 1 other table.
This fails, of some reason I do not know of.
ex.
Table 1 -> Lookup Currency Table -> Table2 with currency
Table 3 -> Lookup Currency Table -> Table 4 with currency
One of the lookup will fail.
How do you avoid this?
/Bjarne
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Apr 21, 2015
I imported an Excel file in the form of a table(11,000 rows) in SQL Server 2012 database called Sanbox, I am trying to link this table to MS-CRM leads table so that I can link all the street addresses from table in Sandbox DB to the respective tables in MS-CRM leads table (200,000 rows), my end goal is to link the owner names from MS-CRM table to Sandbox DB's table with the matching criteria of 'street address'
My simple query looks like this, but it returns 200,000 rows, but I only want 11,000 rows -
SELECT *
FROM Sandbox.dbo.Sheet1$ A
LEFT JOIN [IPlus_MSCRM].[dbo].[FilteredLead] B
ON A.[Street 1] = B.address1_line1
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Sep 23, 2015
Say I want to lookup a value in another dataset, but there is a grouping that requires you to know what the values for each level is in order to get to the correct detail record. Can you still use the lookup function with more than one field to compare against? So for example
Department
\___SalesPerson
\___Measure
I want to be able to add a new row at the Measure level, but lookup each field from another dataset. In order to do that I will need the Department AND SalesPerson values to do the lookup, but I dont think the Lookup function will let us do that will.
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May 3, 2004
Hello all,
Please help....
I have a text file which needs to be created into a table (let's call it DataFile table). For now I'm just doing the manual DTS to import the txt into SQL server to create the table, which works. But here's my problem....
I need to extract data from DataFile table, here's my query:
select * from dbo.DataFile
where DF_SC_Case_Nbr not like '0000%';
Then I need to create a new table for the extracted data, let's call it ExtractedDataFile. But I don't know how to create a new table and insert the data I selected above into the new one.
Also, can the extraction and the creation of new table be done in just one stored procedure? or is there any other way of doing all this (including the importation of the text file)?
Any help would be highly appreciated.
Thanks in advance.
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Feb 9, 2006
Hi i have three tables
T1 is a table of data imported by DTS, it has staff numbers and location names
T2 is a table that contains system data about staff and has a column for the location id
T3 is a table for the location names and their ID's
i am trying to write the sql to update T2 with the new location IDs for staff that have moved location but am not getting what i need.
so far i have :
update
T2
set T2.LocationId =T3.LocationID
from T3
inner join T1
on T3.departmentname = T1.contact_location
the update runs but sets all rows to the same value. am now burried deep in the [I've stared at this too long and cant see the wood for the trees] stage :mad:
Thanks
FatherJack
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May 1, 2007
I'm using SQL Server 2000. I have an EXTERNAL_FUNDING table and an EXTERNAL_FUNDING_TYPE table. The DDL for the tables is listed below. Each EXTERNAL_FUNDING record has a type field, which is a foreign key to a record in the EXTERNAL_FUNDING_TYPE table. However, I would like for the type to be allowed to be null. When displaying the data, if the type is null, I'd like to show blank text. Here is the query I'm trying to use:
SELECT EXTERNAL_FUNDING.id, date_requested as [Request Date],source as [Source/Sponsor],EXTERNAL_FUNDING_TYPE.type AS [Type],amount as [Amount], granted as [Granted]
FROM EXTERNAL_FUNDING,EXTERNAL_FUNDING_TYPE
WHERE (project_id = @project_id) AND
(EXTERNAL_FUNDING.type = EXTERNAL_FUNDING_TYPE.id)
ORDER BY date_requested ,source,type
But this query does not return the records with NULL for the type field. Can someone explain to me how I can also return the rows with a NULL type? Thanks!
Table DDL:
CREATE TABLE [dbo].[EXTERNAL_FUNDING] (
[id] [int] IDENTITY (1, 1) NOT NULL ,
[project_id] [int] NOT NULL ,
[date_requested] [datetime] NULL ,
[source] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[type] [int] NULL ,
[amount] [money] NULL ,
[granted] [bit] NULL ,
[date_granted] [datetime] NULL
) ON [PRIMARY]
CREATE TABLE [dbo].[EXTERNAL_FUNDING_TYPE] (
[type] [nvarchar] (30) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL ,
[id] [int] IDENTITY (1, 1) NOT NULL
) ON [PRIMARY]
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Jul 23, 2005
What is the best way to setup relationships between one lookup tableand many other tables. The tables did not have any lookup tablerelationships which I am adding. One lookup table is used for same datain several different places.To use one lookup tables with several tables, I had to disable "CascadeUpdate" and only have "enforce relationships for updates and inserts"checked.Any pros/cons?Thanks in advance.P
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Aug 13, 2007
I have added a new column to a table, but it is not showing up in the column mapping tab of the lookup editor.
It does show up in the preview.
Without deleting and recreating the component (with all the ensuing broken metadata fixes 'downstream' that this always entails), how can I get it to recognise the change?
In future I will do all LUs as a sql statement so at least I can control columns. This again defeats the purpose of the drag and drop environment..... If it were a harry potter character, it would be a dementor
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Feb 26, 2008
Can anybody tell me when the index table is created? I have a Ole DB Command transformation that deletes rows from a table, and the pipeline continues on to a fuzzy lookup. The fuzzy lookup is returning matches to some of the rows which were delted in the aformentioned Ole DB Command. If the index table is created during pre-execute, this would make some sense to me since those rows which get deleted still exist before the pipeline reaches the Ole DB Command transformation which deletes those rows. If this is the case, is there a way to delay the index table creation? If this is not the case, has anybody else ran into anything like this...is there some solution? Thanks for any help.
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Aug 5, 2007
Hi,
I'm trying to figure out how to setup a Constraint (Foreign Key?) from a lookup table.
For the following example, I want to constrain to constrain so that a Car.ParkingSpotNumber is unique for a given ParkingFacility.
Any thoughts?
Thanks!
Andy
Here's the scenario:
CAR table:
Id (PrimaryKey)
LicensePlateNumber
ParkingSpotNumber
PARKINGFACILITY__CAR__LOOKUP table:
Id (PrimaryKey)
CarId (Foreign Key to Car.Id)
ParkingFacilityId (Foreign Key to ParkingFacility)
PARKINGFACILITY table:
Id (PrimaryKey)
PARKINGLOT table:
Id (Foreign Key to ParkingFacility.Id) (PrimaryKey)
Address
PARKINGGARAGE table:
Id (Foreign Key to ParkingFacility.Id) (PrimaryKey)
Address
Here's the T-SQL code to make a SQLServer2005 database for this scenario:
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[Car]') AND type in (N'U'))
BEGIN
CREATE TABLE [dbo].[Car](
[Id] [bigint] NOT NULL,
[CustomerName] [nvarchar](50) NOT NULL,
[ParkingSpotNumber] [int] NOT NULL,
CONSTRAINT [PK_Customer] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
END
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[ParkingFacility]') AND type in (N'U'))
BEGIN
CREATE TABLE [dbo].[ParkingFacility](
[Id] [bigint] NOT NULL,
CONSTRAINT [PK_ParkingFacility] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
END
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[ParkingFacility__To__Car_Lookup]') AND type in (N'U'))
BEGIN
CREATE TABLE [dbo].[ParkingFacility__To__Car_Lookup](
[Id] [bigint] NOT NULL,
[CarId] [bigint] NOT NULL,
[ParkingFacilityId] [bigint] NOT NULL,
CONSTRAINT [PK_ParkingFacility__To__Car_Lookup] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
END
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[ParkingLot]') AND type in (N'U'))
BEGIN
CREATE TABLE [dbo].[ParkingLot](
[Id] [bigint] NOT NULL,
[Address] [nvarchar](50) NOT NULL,
CONSTRAINT [PK_ParkingLot] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
END
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[ParkingGarage]') AND type in (N'U'))
BEGIN
CREATE TABLE [dbo].[ParkingGarage](
[Id] [bigint] NOT NULL,
[Address] [nvarchar](50) NOT NULL,
CONSTRAINT [PK_ParkingGarage] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
END
GO
IF NOT EXISTS (SELECT * FROM sys.foreign_keys WHERE object_id = OBJECT_ID(N'[dbo].[FK_ParkingFacility__To__Car_Lookup_Car]') AND parent_object_id = OBJECT_ID(N'[dbo].[ParkingFacility__To__Car_Lookup]'))
ALTER TABLE [dbo].[ParkingFacility__To__Car_Lookup] WITH CHECK ADD CONSTRAINT [FK_ParkingFacility__To__Car_Lookup_Car] FOREIGN KEY([CarId])
REFERENCES [dbo].[Car] ([Id])
GO
ALTER TABLE [dbo].[ParkingFacility__To__Car_Lookup] CHECK CONSTRAINT [FK_ParkingFacility__To__Car_Lookup_Car]
GO
IF NOT EXISTS (SELECT * FROM sys.foreign_keys WHERE object_id = OBJECT_ID(N'[dbo].[FK_ParkingFacility__To__Car_Lookup_ParkingFacility]') AND parent_object_id = OBJECT_ID(N'[dbo].[ParkingFacility__To__Car_Lookup]'))
ALTER TABLE [dbo].[ParkingFacility__To__Car_Lookup] WITH CHECK ADD CONSTRAINT [FK_ParkingFacility__To__Car_Lookup_ParkingFacility] FOREIGN KEY([ParkingFacilityId])
REFERENCES [dbo].[ParkingFacility] ([Id])
GO
ALTER TABLE [dbo].[ParkingFacility__To__Car_Lookup] CHECK CONSTRAINT [FK_ParkingFacility__To__Car_Lookup_ParkingFacility]
GO
IF NOT EXISTS (SELECT * FROM sys.foreign_keys WHERE object_id = OBJECT_ID(N'[dbo].[FK_ParkingLot_ParkingFacility]') AND parent_object_id = OBJECT_ID(N'[dbo].[ParkingLot]'))
ALTER TABLE [dbo].[ParkingLot] WITH CHECK ADD CONSTRAINT [FK_ParkingLot_ParkingFacility] FOREIGN KEY([Id])
REFERENCES [dbo].[ParkingFacility] ([Id])
GO
ALTER TABLE [dbo].[ParkingLot] CHECK CONSTRAINT [FK_ParkingLot_ParkingFacility]
GO
IF NOT EXISTS (SELECT * FROM sys.foreign_keys WHERE object_id = OBJECT_ID(N'[dbo].[FK_ParkingGarage_ParkingFacility]') AND parent_object_id = OBJECT_ID(N'[dbo].[ParkingGarage]'))
ALTER TABLE [dbo].[ParkingGarage] WITH CHECK ADD CONSTRAINT [FK_ParkingGarage_ParkingFacility] FOREIGN KEY([Id])
REFERENCES [dbo].[ParkingFacility] ([Id])
GO
ALTER TABLE [dbo].[ParkingGarage] CHECK CONSTRAINT [FK_ParkingGarage_ParkingFacility]
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Sep 21, 2007
I need some help with the following...
My data source has some columns I have to 'translate' first and then insert into my destination table.
Example Source data:
key size height
1 'Small' 'Tall'
2 'Big' 'Short'
has to become
1 'Y' 'P'
2 'N' 'D'
I thought of creating a lookup table (I'm talking about the real table, not a lookup transformation table) that would have these columns: column name, value_source, value_dest
Example:
col_name vl_source vl_dest
size 'Small' 'Y'
size 'Big' 'N'
height 'Tall' 'P'
... and so on, I believe you get the point
How would you extract the needed values? Can I use a select statement in a derived column expression? Any ideas? I'm not really fond of the idea to create n lookups, one for each column I have to translate, is there a slicker solution?
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Jun 28, 2006
Hi,
I have a common requirement (when I'm processing data rows from an input file) to perform some data manipulation in script then look up a value from a reference table and perform some further data manipulation depending on whether a matching value was found in the lookup table or not.
For example, say I'm processing Customer data rows and the first "word" (/token) of the FullName column might be a title or the title could be missing and it might be a forename or initial instead. I want to check the first word of this FullName column to see if it matches any valid title values in a ReferenceTitles lookup table. If I find a match I want to set my Title column to the value from the ReferenceTitles lookup table, otherwise I want to set it to, say, an empty string. Then I want to process the rest of the FullName column tokens differently depending on whether or not a match was found.
It seems very messy to start coding a script transformation and then
have to use a lookup transformation combined with a script
transformation on the error output followed by a union and a sort
and finally a further script transformation (especially as I would like to be able to use variables from the first script in the later processing)...
So what I'm wondering is: Is there an easy/clean way to perform a database lookup (using cached values) from a script so that I can achieve all the above from within a single script component?
Thanks in advance,
Lawrie
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Jan 4, 2005
All,
Just wondering if anyone is aware of a SQL server shareware utility that places a front end on a table to manage insert, update, and delete of rows on a lookup table.
We can certainly write this but before reinventing the wheel I figure I'd ask and see.
Many Thanks,
Isaac
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Mar 11, 2013
Basically I have a table of users (id, name), a lookup table preferences (id, title) and the table of user-pref (idUser, idPref).Given a user id X I wanted to select a list of users, ordered by the highest amount of coincidence in the preference table...
something like
SELECT * FROM users WHERE id <> X ORDER BY -number of common preferences-
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Jun 21, 2015
how this can be achieved by writing a procedure in SQL Server DB.Remember that if there is a non-null value in the benchmark that is not equal to the equivalent criteria in the Hosting input then there is no match. Therefore those with region = IN would not match any of the given benchmarks. It is best fit as long as the non-matching values are to null value benchmark criteria.
Hosting_Site (Source File)
YEAR MONTH HOSTING CLASS REGION HOSTING COST
2015 1 A UK 75
2015 1 A IN 80
2015 1 B IN 60
2015 1 C US 100
BENCHMARK (Lookup Table)
Row Year Month Hosting class Region BENCHMARK COST
1 2015 1 A US 100
2 2015 1 B US 200
3 2015 1 A UK 50
4 2015 1 A null 70
STANDARD CLASS COST (If the criteria between source file and the lookup file doesn't match then have to load this cost)
Row Year Hosting class BENCHMARK COST
1 2015 A 22
2 2015 B 33
Then result should be:
FACT LOAD:
YEAR MONTH HOSTING CLASS REGION HOSTING COST BENCHMARK COST
2015 1 A UK 75 50
2015 1 A IN 80 70
2015 1 B IN 60 33 (Since for B class there is no region = IN or = null the Standard Class Cost must be used)
2015 1 C US 100 ??? (Reject record since there is no default value in Standard Class Cost or in Benchmark)
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