Values Of Two Columns In Two Different Tables--presentation Using Select
Mar 14, 2006
Values of two columns in two different tables--presentation using
select
Hi Everyone,
i have two tables in the database . One is called address table
and one is adressPhone Table. Below is the sample of those two tables
Address
col1 col2 col3
X 12 13
y 15 19
z 18 10
create table address(col1 varchar(20),col2 int, col3 int)
insert into address values ('x',12,13)
insert into address values ('y',15,19)
insert into address values ('z',18,10)
AddressPhone
Col4 Col5 Col6
13 213-455-9876 1
13 415-564-6546 2
13 543-987-5677 3
19 678-555-2222 1
create table addressphone(col4 int, col5 varchar(50),col6 int)
insert into addressphone values(13,'213-455-9876',1)
insert into addressphone values(13,'415-564-6546',2)
insert into addressphone values(13,'543-987-5677',3)
insert into addressphone values(19,'678-555-2222',1)
I have to display something like this
x 12 13 213-455-9876 415-564-6546 543-987-5677
y 15 19 678-555-2222 NULL NULL
So there is one to many relationship between address and
addressPhone table where address.col3 = addressphone.col4
I don't know how to write the query to get the phone numbers that
has he same id in the same row like I displyed above.
I did something like this, but this is not working
select col1,col2,col3, (select col5 from addressPhone where col6=1),
(select col5 from addressPhone where col6=2), (select col5 from
addressPhone where col6=3),
from address table inner join addressPhone
on address.col3=addressphone.col4
above is not working because it is complaining that a subquery
cannot return multiple results. Col6 in the addressphone table is
the phone type ike business phone,
mobile phone or home phone. It is possible that there are two phone
numbers for business phone.
Please let me know how can I write this query.
Any help will be greatly appreciated.
Thanks
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Oct 2, 2015
Based on a table like below I have created a report so that I can compare number of items in the main warehouse (LOCATION1) and the outlets (LOCATION2 and LOCATION3).
___________________________________
| ID | PRODUCT_INDEX | LOCATION | VALUE |
___________________________________
| 1 | INDEX1 | LOCATION1 | 1 |
___________________________________
| 2 | INDEX1 | LOCATION2 | 1 |
___________________________________
| 3 | INDEX1 | LOCATION3 | 0 |
___________________________________
| 4 | INDEX2 | LOCATION1 | 0 |
___________________________________
| 5 | INDEX2 | LOCATION2 | 0 |
___________________________________
| 6 | INDEX2 | LOCATION3 | 1 |
___________________________________
| 7 | INDEX3 | LOCATION1 | 1 |
___________________________________
| 8 | INDEX3 | LOCATION2 | 0 |
___________________________________
| 9 | INDEX3 | LOCATION3 | 1 |
___________________________________
The way I present data in my Report is as such. I want to show items that are available in the warehouse that should be moved to the outlets.
select
a.PRODUCT_INDEX
, a.LOCATION1(VALUE)
, b.LOCATION2(VALUE)
, c.LOCATION3(VALUE)
from
[Code] .....
__________________________________________________________________
| PRODUCT_INDEX | LOCATION1 (VALUE) | LOCATION2 (VALUE) | LOCATION3 (VALUE)|
__________________________________________________________________
| INDEX1 | 0 | 1 | 0 |
__________________________________________________________________
| INDEX2 | 1 | 0 | 1 |
__________________________________________________________________
| INDEX3 | 1 | 0 | 1 |
__________________________________________________________________
I have added some parameters in my report to filter out products that are not available in warehouse (LOCATION1) and this works great.
select * from VIEW where 'LOCATION1(VALUE)' > 0 and ('LOCATION2(VALUE)' = 0 or 'LOCATION3(VALUE)' = 0)
__________________________________________________________________
| PRODUCT_INDEX | LOCATION1 (VALUE) | LOCATION2 (VALUE) | LOCATION3 (VALUE)|
__________________________________________________________________
| INDEX1 | 1 | 1 | 0 |
__________________________________________________________________
| INDEX3 | 1 | 0 | 1 |
__________________________________________________________________
Now the issue starts when I add a parameter to my report for user to choose which outlets (LOCATIONs) he wants in the equation. I know how to make a column disappear based on parameter value but how to take it out of equation? At the moment when user selects only LOCATION2 and not LOCATION3 then data is not filtered correctly:
__________________________________________________
| JOIN_ON_VALUES | LOCATION1 (VALUE) | LOCATION2 (VALUE) |
__________________________________________________
| INDEX1 | 1 | 1 |
__________________________________________________
| INDEX3 | 1 | 0 |
__________________________________________________
Ideally I would like a user to select random outlets (warehouse would be static on the report) and compare one or multiple and only show records that are 0 in the outlets.
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Jun 1, 2015
I have event table that containing multiple events, and many of them are empty. I'd like to select only the columns that have values in them.
Here is an example:
IF OBJECT_ID('tempdb..#events') IS NOT NULL
DROP TABLE #events
create table #events (eventId int,
Category varchar(250),
events1 varchar(250),
[Code] .....
In this case, I'd like to run a query like this one(skip Column Event3):
Select eventId,Category,events1,events2,events4,events5 From #events
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Apr 10, 2008
Hello everyone,
I have a little problem here. I need to select data from multiple columns and multiple tables, some of those columns can have NULL value. I have tried few things, and havent find the right way so far. Problem that i am incountering is that when i run SELECT statment as it is right now, i dont get back results which match search parameters but have NULL value in one or more column in select statment. How can i fix this problem?
SELECT Person2role.person2roleID,Person.firstname, Person.lastname, Person.sex
FROM Person LEFT OUTER JOIN
Person2Role ON Person.personID = Person2Role.personID
WHERE (Person.firstname LIKE '%' + ISNULL(@firstname + '%', ''))
AND (Person.lastname LIKE '%' + ISNULL(@lastname + '%', ''))
AND (Person.sex = ISNULL(@sex, Person.sex))
This is a part of SELECT statment..just so you can get the idea of what i am doing..i have few more parameters
I am working with SQL Server 2005 Express Version
Thank you,
Alex
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Apr 28, 2015
How to include row values as columns in my select query. I have a table that stores comments for different sections in a web application. In the table below, I would like display each comment as a new column. I only want one row for each record_ID.
Existing table layout
table name - tblcomments
Record_ID Comment_Section_ID Comment
1 5 Test 5 comment
1 7 Test 7 comment
2 5 New comment
2 7 Old comment
3 5 Stop
3 7 Go
Desired table layout
table name - #tempComment
Record_ID Comment_Section_5 Comment_Section_7
1 Test 5 comment Test 7 comment
2 New comment old comment
3 Stop Go
Once I figure out how to get the data in the layout above, I will need to join the table with my record table.
table name - tblRecord
Record_ID Record_Type_ID Record_Status
1 23 Closed
2 56 Open
3 67 Open
4 09 Closed
5 43 In progress
I would like to be able to join the tables in the query below for the final output.
Select r.Record_ID, r.Record_Type_ID, r.Record_Status,
c.Comment_Section_5, c.Comment_Section_7
from tblRecord r
left outer join #tempComment c
on r.record_ID = c.record_ID
How I can get the data in the desired #tempComment table layout mentioned above?
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Jul 23, 2005
How can i enter Default Values of " " to all the columns of type characterof all the tables (excluding system tables) and Default Values of 0of all columns of type numbers. Excluding all primary key columns.Thank you
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Nov 26, 2014
The following returns all base tables within the database of type "varchar":
Code:
SELECT TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME FROM mydb.information_schema.columns
WHERE TABLE_SCHEMA = 'master' AND TABLE_CATALOG = 'mydb'
AND DATA_TYPE IN('varchar')"
AND TABLE_NAME IN(
SELECT TABLE_NAME FROM mydb.information_schema.tables
WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_CATALOG = 'mydb' AND TABLE_SCHEMA = 'master')
What I then want to do is... For each of these results:
Code:
select [COLUMN_NAME] from [TABLE_SCHEMA].[TABLE_NAME]
WHERE ID = 'test'
Is it possible to do this in one SQL command? Or do I manually have to do it for each in the list from my first query?
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Jun 16, 2015
Here is a requirement. Need to update the columns in the tables with the latest values available in CSV.
The file is based on department so the list of tables which is under this department all the corresponding tables needs to updated.
The CSV file which is dynamic in nature the number of columns changes it has header of the columns that needs to be updated.
The destination tables are listed under department table for each department. So I have to update the columns in the tables with the values in csv.
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Mar 28, 2008
Hi everyone.
I am stuck on this for quite a while. Lets say i have 2 tables.
Table 1 with these columns:
Serial_Num
Product
Price
Table 2 with this column only:
Product
I need to create a VIEW that will show me all the the data in Table 1 but only for the column that exists in table 2. Example:
Something like this:
select (all the columns from table 2)
from table 1
I need it to be dynamic because columns could be added to both tables anytime.
Thanks.
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Oct 8, 2007
Hi friends,I need to select columns for specific data from all tables in DataBasePls give me reply asap Regards,M.Raj
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Jan 20, 2015
How to join 2 heap tables with out any common fields.
for example tbl1 has
col1
1
2
3
4
5
and tbl1 2 has
col2
a
b
c
I want the output like
col1 col2
1 a
2 b
3 c
4
5
is this possible with out using row_number()?
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May 6, 2015
I have a situation in SSRS to get the common values between the two columns where the values are sorted comma separated as below.Ex:
ColumnA : abc,cde,efg
ColumnB : cde,xyz,abc
the result in
ColumnC : cde,abc
similarly Column A and B will have n number records. I need to right an expression or the Code function to get the required result in ColumnC. I am using SharePoint Lists as Datasource. Cannot write SQL query to achieve this requirement.
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Jan 13, 2015
I've got some records like this:
ID_________Jan Feb...........................Dec
0000030257 0 0 0 0 0 0 1 1 1 1 1 0
where each month field has a 0 or 1, depending on if the person was enrolled that month.
I'm being asked to generate a table like this:
ID_________ Start_Date End_Date
0000030257 July 1, 2014 Nov 30, 2014
Is there some slam dunk way to do this without a bunch of If/Then statements?
The editor compressed all my space fields, so the column headers are off in some places.
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Jun 11, 2015
Basically, I'm given a daily schedule on two separate rows for shift 1 and shift 2 for the same employee, I'm trying to align both shifts in one row as shown below in 'My desired results' section.
Sample Data:
;WITH SampleData ([ColumnA], [ColumnB], [ColumnC], [ColumnD]) AS
(
SELECT 5060,'04/30/2015','05:30', '08:30'
UNION ALL SELECT 5060, '04/30/2015','13:30', '15:30'
UNION ALL SELECT 5060,'05/02/2015','05:30', '08:30'
UNION ALL SELECT 5060, '05/02/2015','13:30', '15:30'
[Code] ....
The results from the above are as follows:
columnAcolumnB SampleTitle1 SampleTitle2 SampleTitle3 SampleTitle4
506004/30/201505:30 NULL NULL NULL
506004/30/201513:30 15:30 NULL NULL
506005/02/201505:30 NULL NULL NULL
506005/02/201513:30 15:30 NULL NULL
My desired results with desired headers are as follows:
PERSONSTARTDATE STARTIME1 ENDTIME1 STARTTIME2 ENDTIME2
506004/30/2015 05:30 08:30 13:30 15:30
506005/02/2015 05:30 08:30 13:30 15:30
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Mar 22, 2006
hi,
it is my first post on this forum, please be patient if i miss any important bit of information.
i am transporting data from a legacy system into mssql 2k5 using SSIS.
among those column of a dataset there are 13 columns, all necessary for operational reasons, that i need to ensure data consistance.
i believe i could do this check using the lookup data flow item, but surely there must be a way to do it in a more streamlined fashion.
since column names contain numbers to distinguish the version, eg; col01, col02, col03 .. col13.
i thought i could include the lookup within a loop and use a couple of variables to do this trick, but since i have not done it before i am asking for some sort of guidance from a guru among you folks.
please let me know if further clarification is necessary.
regards,
nicolas
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Apr 29, 2015
I have a business need to create a report by query data from a MS SQL 2008 database and display the result to the users on a web page. The report initially has 6 columns of data and 2 out of 6 have JSON data so the users request to have those 2 JSON columns parse into 15 additional columns (first JSON column has 8 key/value pairs and the second JSON column has 7 key/value pairs). Here what I have done so far:
I found a table value function (fnSplitJson2) from this link [URL]. Using this function I can parse a column of JSON data into a table. So when I use the function above against the first column (with JSON data) in my query (with CROSS APPLY) I got the right data back the but I got 8 additional rows of each of the row in my table. The reason for this side effect is because the function returned a table of 8 row (8 key/value pairs) for each json string data that it parsed.
1. First question: How do I modify my current query (see below) so that for each row in my table i got back one row with 19 columns.
SELECT A.ITEM1,A.ITEM2,A.ITEM3,A.ITEM4, B.*
FROM PRODUCT A
CROSS APPLY fnSplitJson2(A.ITEM5,NULL) B
If updated my query (see below) and call the function twice within the CROSS APPLY clause I got this error: "The multi-part identifier "A.ITEM6" could be be bound.
2. My second question: How to i get around this error?
SELECT A.ITEM1,A.ITEM2,A.ITEM3,A.ITEM4, B.*, C.*
FROM PRODUCT A
CROSS APPLY fnSplitJson2(A.ITEM5,NULL) B, fnSplitJson2(A.ITEM6,NULL) C
I am using Microsoft SQL Server 2008 R2 version. Windows 7 desktop.
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Aug 27, 2014
I'd like to first figure out the count of how many rows are not the Current Edition have the following:
Second I'd like to be able to select the primary key of all the rows involved
Third I'd like to select all the primary keys of just the rows not in the current edition
Not really sure how to describe this without making a dataset
CREATE TABLE [Project].[TestTable1](
[TestTable1_pk] [int] IDENTITY(1,1) NOT NULL,
[Source_ID] [int] NOT NULL,
[Edition_fk] [int] NOT NULL,
[Key1_fk] [int] NOT NULL,
[Key2_fk] [int] NOT NULL,
[Code] .....
Group by fails me because I only want the groups where the Edition_fk don't match...
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Jun 2, 2006
I was demonstrating some of SSIS's capabilities to our Software Development Manager and VP of IS. (We are deciding which ETL tool to use for our DW project. So goes this project goes the house).They liked what they saw and were crazy over Fuzzy lookup but commented that SSIS seems very much oriented toward the programmer side of the house. It was, maybe, not the best tool for the Business analysts who are working closely with us on this project.
Any comments on their comment?
I wonder if SSIS "data source views" (which I haven't looked at at all) address their concerns?
Barkingdog
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Sep 10, 2007
I am working on a Statistical Reporting system where:
Data Repository: SQL Server 2005
Business Logic Tier: Views, User Defined Functions, Stored Procedures
Data Access Tier: Stored Procedures
Presentation Tier: Reporting ServicesThe end user will be able to slice & dice the data for the report by
different organizational hierarchies
different number of layers within a hierarchy
select a organization or select All of the organizations with the organizational hierarchy
combinations of selection criteria, where this selection criteria is independent of each other, and also differeBelow is an example of 2 Organizational Hierarchies:
Hierarchy 1
Country -> Work Group -> Project Team (Project Team within Work Group within Country)
Hierarchy 2
Client -> Contract -> Project (Project within Contract within Client)Based on 2 different Hierarchies from above - here are a couple of use cases:
Country = "USA", Work Group = "Network Infrastructure", Project Team = all teams
Country = "USA", Work Group = all work groups
Client = "Client A", Contract = "2007-2008 Maint", Project = "Accounts Payable Maintenance"
Client = "Client A", Contract = "2007-2008 Maint", Project = all
Client = "Client A", Contract = allI am totally stuck on:
How to implement the data interface (Stored Procs) to the Reports
Implement the business logic to handle the different hierarchies & different number of levelsI did get help earlier in this forum for how to handle a parameter having a specific value or NULL value (to select "all")
(WorkGroup = @argWorkGroup OR @argWorkGrop is NULL)
Any Ideas? Should I be doing this in SQL Statements or should I be looking to use Analysis Services.
Thanks for all your help!
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May 14, 2008
I'm trying to design a site for parent conference scheduling.
Usually we have a couple of days appointment time, for example 5/8/2008, and 5/9/2008. and the time usally start at 7:00 and ends at 9:00. one appointment time lasts about 20 minutes.
I would put a page something like this, after parent or student login, 1. they are asked to choose a date, 2.after the date is chosen, show available teacher names, 3, after the teachers are selected, for each teacher, it will show a list of radio buttons for parents to select the time period open, For example:
teacher: John smith. time: 7:00; radio button 7:20 radio button 7:40 Booked............... 8:40 radio button
4, the student choose the available time, and then enter student name, then submit.
I would like to know how to setup the database table and present to the users. Currently for this scheduling part I have tables like teachertable, scheduling table, Appointment table.
Teacher table: teacherID, name, email, course,Scheduling table: appointD, TeacherID, room, appt date
I think I will prepopulate the two tabels before conference time.
and after user submit the selection, insert into Appointment table the other fields like scheduling ID, appoint time, and studentname.
The things confuse me, is how can I deal with the appointment time fields, shall I add another table for appt time? should this field be prepopulatd to the table and pull from the table for student to select or something else?
HOw can I do with this: if a teacher not available after 8, how can I excluded the time period for the teacher?
Thanks
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Mar 16, 2004
I need to report on what users have what permissions. This is the way we have it stored currently. There must be a better way to store or retrieve this info. in a warehouse. Ideas?
Thanks,
-Kevin
USER readwriteexecutechange UIcreate proc.
joexxx
billxx
bobxxx
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Aug 8, 2007
I have a table with Columns as metric id, product name, product id, sales, amount.
The values of the column metric id will be 101, 102, 103 etc..
I need to create a report, in which I need to show up data as below:
1 series -------
metric 101:
product name, product id, sales, amount
metric 102:
product name, product id, sales, amount
metric 103:
product name, product id, sales, amount
2 series--------
metric 201:
product name, product id, sales, amount
metric 202:
product name, product id, sales, amount
metric 303:
product name, product id, sales, amount
Please let me know, how I can show the rows of that table grouped for each metric id.
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May 19, 2006
How do I:Select f1, f2, f3, from tb1 where f1=Select f1 from tb2 where f1='condition'?
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Jun 27, 2006
Is there a way to retrieve a returned value from a stored procedure w/out binding do a data presentationi control? I have the following sqldataprovider...
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
SelectCommand="f_GetUser"
ConnectionString="<%$ ConnectionStrings:MyServer %>"
SelectCommandType="StoredProcedure">
<SelectParameters>
<asp:formparameter name="username" formfield="txtusername" />
<asp:formparameter name="password" formfield="txtpassword" />
</SelectParameters>
</asp:SqlDataSource>
Do I have to make a gridview to get the value that is returned from this stored procedure? The SP only returns one value (a count of records) and I want to set it to a variable. Is there a way, similar to a recordset in ASP, that I can access that one value?
here is my stored procedure...
CREATE PROCEDURE f_GetUser
@username varchar(50),
@password varchar(50)
AS
SELECT COUNT(*) AS numusers
FROM f_Users
WHERE username=@username AND password=@password
I just want to retrieve "numusers" and use it in a conditional....
tia for your help
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Feb 13, 2007
Hi, I'm looking for SQL Server 2005 Reporting Services presentation.
Anybody help, please.
Thank you.
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Sep 1, 2006
I was just messing around with some ad hoc views and table returningUDFs today so I could look at and print out data from a small tableand noticed something strange.If I stick my select statement into a View the columns are returned inthe order I specify in the SELECT, but if the same statement is in a UDF(so I can specify a parameter), the columns are not returned in theorder specified in statement.I know that relations don't have a specified column order, but it was myunderstanding that a SELECT statement could be used to define how youwant your data presented. Views seem to respect the order specified inthe SELECT, but functions don't.What am I missing? Is there some way to force the order of the columnsreturned from a SELECT?View:CREATE VIEW dbo.View1ASSELECT Ident, Text, Type, ParentStmt, ForStmt, IfStmt, ChildStmt,ThenStmt, ElseStmt, NextStmtFROM dbo.tblStmtWHERE (Ident LIKE '4.2.%')Column order from this view:Ident, Text, Type, ParentStmt, ForStmt, IfStmt, ChildStmt, ThenStmt,ElseStmt, NextStmtFunction:ALTER FUNCTION dbo.Function1(@SearchPrm varchar(255))RETURNS TABLEASRETURN ( SELECT Ident, Text, Type, ParentStmt, ForStmt, IfStmt,ChildStmt, ThenStmt, ElseStmt, NextStmtFROM dbo.tblStmtWHERE (Ident LIKE @SearchPrm) )Column order from this function:Type, Text, ElseStmt, NextStmt, IfStmt, ChildStmt, ThenStmt, Ident,ParentStmt, ForStmtTable:(I know that this table isn't entirely normalized, but it serves mypurposes to have a matrix instead of a fully normalized relation):CREATE TABLE dbo.tblStmt (StmtID INT IDENTITY(1,1) CONSTRAINT PK_Stmt PRIMARY KEY,Ident VARCHAR(255),Text TEXT,ErrorText TEXT,Type INT,ParentStmt VARCHAR(255),ChildStmt VARCHAR(255),IfStmt VARCHAR(255),ForStmt VARCHAR(255),ThenStmt VARCHAR(255),ElseStmt VARCHAR(255),NextStmt VARCHAR(255),FullName VARCHAR(255),LocalName VARCHAR(255),Method INT)INSERT INTO tblStmt Ident, Text, Type, ParentStmt, NextStmtVALUES('4.2.1', 'LineNumberOfResp := EMPTY' 64, '4.2', '4.2.2')INSERT INTO tblStmt Ident, Text, Type, ParentStmt, ChildStmt, ForStmt,NextStmtVALUES('4.2.2', 'FOR K:= 1 TO 2', 128, '4.2', '4.2.3','4.2.7')INSERT INTO tblStmt Ident, Text, Type ParentStmt, ChildStmt, ForStmt,NextStmtVALUES('4.2.3', 'Person[K].KEEP', 16, '4.2', '4.2.3.1', '4.2.2', '4.2.4')INSERT INTO tblStmt Ident, Text, Type, ParentStmt, NextStmtVALUES('4.2.3.1' 'AuxInterviewerName := DOSENV', 64, '4.2.3', '4.2.3.2')
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Aug 13, 2007
I have a scenario that reminds me of a pivot table and I am wondering if there is a way to handle this in SQL.
I have four tables. Product Line, Item, Property, and Value.
A Product Line has many items and an item can have many property's and a property can have many values.
I want to select a product line and show all the items with the Property's as column headers and the Values as the data. The thing I am having trouble with is the property's for an item are variable from a few to a whole bunch.
Any help would be appreciated.
Thanks,
vmon
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May 21, 2015
Inside of stored procedure you have the code
create table #datatable (id int,
name varchar(100),
email varchar(10),
phone varchar(10),
cellphone varchar(10),
none varchar(10)
);
insert into #datatable
exec ('select *
from datatable
where id = 1')
select * from #datatable
I still want to retrieve the data and present it in the software's presentation layer but I still want to remove the temp table in order to reduce performance issue etc.
If I paste the code DROP
TABLE #datatable after
insert into #datatable
exec ('select *
from datatable
where id = 1')
Does it gonna work to present the data in the presentation layer after removing the temp table?
The goal is to retrieve the data from a stored procedure and present it in the software's presentation layer and I still need to remove the temptable after using it because I will use the SP many time in production phase.
[URL]
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Apr 20, 2014
I have 4 tables involved here. The priority table is TABLE1:
NAMEID TRANDATE TRANAMT RMPROPID TOTBAL
000001235 04/14/2014 335 A0A00 605
000001234 04/14/2014 243 A0A01 243
000001236 04/14/2014 425 A0A02 500
TRANAMT being the amount paid & TOTBAL being the balance due per the NAMEID & RMPROPID specified.The other table includes a breakdown of the total balance, in a manner of speaking, by charge code (thru a SUM(OPENAMT) query of DISTINCT CHGCODE
TABLE2
NAMEID TRANDATE TRANAMT RMPROPID CHGCODE OPENAMT
000001234 04/01/2014 400 A0A01 ARC 0
000001234 04/05/2014 -142 A0A01 ARC 228
000001234 04/10/2014 15 A0A01 ALT 15
[code]...
Also with a remaining balance (per CHGCODE) column. Any alternative solution that would effectively split the TABLE1.TRANAMT up into the respective TABLE2.CHGCODE balances? Either way, I can't figure out how to word the queries.
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Dec 4, 2007
I have a problem where my users complain that a select statement takes too long, at 90 seconds, to read 120 records out of a database.
The select statement reads from 9 tables three of which contain 1000000 records, the others contain between 100 and 250000 records.
I have checked that each column in the joins are indexed - they are (but some of them are clustered indexes, not unclustered).
I have run the SQL Profiler trace from the run of the query through the "Database Engine Tuning Advisor". That just suggested two statistics items which I added (no benefit) and two indexes for tables that are not involved at all in the query (I didn't add these).
I also ran the query through the Query window in SSMS with "Include Actual Execution Plan" enabled. This showed that all the execution time was being taken up by searches of the clustered indexes.
I have tried running the select with just three tables involved, and it completes fast. I added a fourth and it took 7 seconds. However there was no WHERE clause for the fourth table, so I got a cartesian product which might have explained the problem.
So my question is: Is it normal for such a type of read query to take 90 seconds to complete?
Is there anything I could do to speed it up.
Any other thoughts?
Thanks
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Mar 9, 2008
Hi I want to find 3 different columns maximum values in one shot. Like I tried to use a reader to go through results but it kept coming back with index out of bounds. Right now to get it to work I got to use a ExecuteScalar() get the first columns max value and then open the connection again(since it seems after ExecuteScalar() it closes the connection) and then do the ExecuteScalar() again. Open the connection again and do the ExecuteScalar() again. Theres got to be a better way of doing this.
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May 23, 2006
Hi,
The values I need to store in the table are
Student ID
Student Name
Subjects
The "Student ID" is the primary key.
A student can take more than 1 subject.
For example:
Student ID: 100
Student Name: Kelly Preston
Subjects: Geography, History, Math
How can I store these values in a database table?
I know the normal "INSERT" statement, but how would I store the multiple subjects for a single student ID?
My "Student ID" is auto generated. If I create a new row for each subject, the Student ID will be different for each subject, which I dont want.
Or I can create a new field called "RowNumber" and keep that the primary key..
For example:
Row Number StudentID StudentName Subject
1 100 Kelly Geography
2 100 Kelly History
3 100 Kelly Math
If this is the only way to store the multiple sibjects, then for a given student ID (say 100), how can I retreieve the associated name and subjects? What is the query for that?
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Jan 17, 2012
I have a table with 6 columns. which we can call a, b, c, d, e, f. What I want to achieve is to put data in column d and e and then split this result in column f.
The data I want to put in column d and e is already exported and executed from a table called exp_data, which is from a period of november.
So this is what i have so far but is not working:
update split_table set d =
select amount from exp_data
where period = '1111'
and exp_data.account = split_table.b
and exp_data.company = split_table.a
The error I get is incorrect syntax near select. Fixed the issue by adding a parenthesis before the select until the end...
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