Compare Values In Result Set.
Sep 11, 2007
This is my first post and I am probably not using the correct terminology but I will try. I want to compare the value of one of my fields in a result set to the value of the same column/field, but from the previous row in the result set. I am trying to identify the row in the result set when the value in a specified column changes value. I want to identify this row by placing a 1 in the last column. If that value did not change, then place a 0 in the last column.
I am not sure if this will make sense to anyone out there. Please let me know if more clarification is needed and I will try to provide it. Thanks for all your help in advance.
Don
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Aug 2, 2007
I am trying to code a WHERE xxxx IN ('aaa','bbb','ccc') requirement but it the return values for the IN keyword changes according to another column, thus the need for a CASE function.
WHERE GROUP.GROUP_ID = 2 AND DEPT.DEPT_ID = 'D' AND WORK_TYPE_ID IN ( CASE DEPT_ID WHEN 'D' THEN 'A','B','C' <---- ERROR WHEN 'F' THEN 'C','D ELSE 'A','B','C','D' END )
I kept on getting errors, like
Msg 156, Level 15, State 1, Line 44Incorrect syntax near the keyword 'WHERE'.
which leads me to assume that the CASE ... WHEN ... THEN statement does not allow mutiple values for result expression. Is there a way to get the SQL above to work or code the same logic in a different manner in just one simple SQL, and not a procedure or T-SQL script.
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Jan 23, 2008
Hi All,
I receive the input file with some 100 columns and some 20k+ rows and I want to check the incoming input row is existed in the database or not based on 2 key columns. If the row is existed then I need to check all the columns (nearly 100 columns) values in input and the database are equal or not. If both are equal I need to treat them seperately if not there is a seperate logic. How Can I do that check for each row and for each column?
Basically the algorithm is like this, if the input file row is not existed in the database then treat that as new row else if the input row is existed in the database then check all the columns are equal or not. If all the columns are equal then treat that as existing row and do nothing else if some columns are not equal then treat this row seperately.
I found some thing to achieve the above thing.
1. Take the input row and check in the database.
2. If the row is not found in the database then treat it as new row.
3. If row is found in the database then
a) Take the source row and prepare a concatenated string for all the columns
b) Take the database row and prepare a concatenated string for all the columns
c) Find out the hash code for the 2 strings and then compare hash codes for equal.
The disadvantage of this is running a loop 2*m*n times where m is the number of rows and n is the number of columns. It should be done 2 times for input file row and database row.
Can anybody suggest a good method to do this?
What does the function "GetHashCode" for InputBuffer in method "Public Overrides Sub Input0_ProcessInputRow(ByVal Row As Input0Buffer)" will do?
Will it generates hash code based on all the columns values?
Pls clarify.
Regards
Venkat.
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Jan 26, 2008
Hi there,
Can someone please help me figure out how I can write a select statement that returns a row from one table and the count of records from the second table using the row name from the first table?
In other words:
First table has only one column "name" and that table name is called "namelist"
Second table has multiple columns, and the table is called "name"
so, what i want to do is something like:
select name from namelist and select count(*) from [name]
results should be:
sean,0
bob,1
tom,5
etc...
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Jul 31, 2007
dear all
i need to write SQL Query that compares 2 tables as folows:
lets say i have:
table A with A.A, A.B, A.C columns (Table A with Columns A,B,C)
table B with B.A, B.B, B.C columns (Table B with Columns A,B,C)
i need to compare and to mark (get in result Query) each row lets say in table B that was changed from table A
For Example
Table A
A B C
12 15 hello
15 17 adv
asd 19 23
14 rer 89
Table B
A B C
12 15 hello
15 19 adv
*** 19 23
14 rer 89
the result is the records which was changed from A to B
A B C
15 19 adv
*** 19 23
Thnks alot!
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Jun 11, 2014
I am looking for a tool to compare the result sets.
Is there any free tool or Microsoft built in tool that we can use to compare the result sets. Suppose if I change one thing in code and needs to test the am I getting the same result set or not? Instead of doing manually is there any way to compare both result set.
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Jul 26, 2014
I am relatively new to SQL and as a project I have been asked to create the SQL for a simple database to record train details. I want to implement a check constraint which will prevent data from being inserted into a table if the weight of the train is more than the maximum towing weight of the locomotive. FOr instance, I need to add the unladen weight and maximum capacity of each wagon (located in the wagon type table) and compare it against the locomotive maximum pulling weight (the locomotive class table). I have the following SQL but it will not work:
check((select SUM(fwt.unladen_weight+fwt.maximum_payload) from
hauls as h,freight_wagon as fw,freight_wagon_type as fwt,train as t where
h.freight_wagon_serial_number = fw.freight_wagon_serial_number and
fw.freight_wagon_type = fwt.freight_wagon_type and
h.train_number = t.train_number) <
(select lc.maximum_towing_weight from locomotive_class as lc,locomotive as l,train as t where
lc.locomotive_class = l.locomotive_class and l.locomotive_serial_number = t.locomotive_serial_number))
The hauls table is where the constraint has been placed and is the intermediary table between train and freight wagon.
I may not have explained this very well; but in short, i need to compare the sum of two values in one table against a values located in another table...At present I keep getting a message telling me the sub query cannot return more than one row.
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Nov 11, 2006
Here is my statement:
Dim MyCommand As SqlDataAdapter
MyCommand = new SqlDataAdapter("select * from Request T1, Users T2 where RunID= "+ intRun_Num +" and T1.UserID = T2.UserID ORDER By Username", MyConnection)
I'm getting error saying:
Input string was not in a correct format.
the problem is the intRunNum. When I put intRunNum.toString(), there is no error but no results are coming up.
How do I get past this?
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Oct 22, 2007
hello there,
i have a matrix which displays data for different products.i have grouped them by year and month.now i want to compare each month to the previous month and show an indicator that this month the sales was down or up.for that i need to compare a month with the previous month.how can i do this in reporting service.please help.
cheers
zolf
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Oct 22, 2007
hello there,
i have a matrix which displays data for different products.i have grouped them by year and month.now i want to compare each month to the previous month and show an indicator that this month the sales was down or up.for that i need to compare a month with the previous month.how can i do this in reporting service.please help.
cheers
zolf
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Aug 2, 2004
I'm stuck trying to compare date values from users selection against a database. I also need to add a condition statement on if the results return no match. How would I do that?
Also, I'm not even sure if my SELECT statement is right. The user will hit a date that will be in format m/d/yyyy and that will be compared to see if it exist in the database. The datebase column "date_created" is default with date/time( 8 ). But when I compare the to together, nothing returns back. The page loads successfully, but no results from the database.
Here is my code:
dim conpubs as sqlconnection
dim cmdSelectAuthors as sqlcommand
dim dtrAuthors As sqlreader
conpubs = New sqlconnection(configurationsettings.appSettings("STD"))
conpubs.open()
cmdSelectAuthors = New sqlcommand("Select * From HotNews WHERE date_created=" & y, conpubs)
dtrAuthors = cmdSelectAuthors.ExecuteReader()
Response.Write("<table><tr><td>")
While dtrAuthors.Read()
Response.Write(dtrAuthors("title") & "<br>")
End While
Response.Write("</td></tr></table>")
dtrAuthors.close()
conPubs.close()
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Aug 2, 2004
I'm stuck trying to compare date values from users selection against a database. I also need to add a condition statement on if the results return no match. How would I do that?
Also, I'm not even sure if my SELECT statement is right. The user will hit a date that will be in format m/d/yyyy and that will be compared to see if it exist in the database. The datebase column "date_created" is default with date/time( 8 ). But when I compare the to together, nothing returns back. The page loads successfully, but no results from the database.
Here is my code:
dim conpubs as sqlconnection
dim cmdSelectAuthors as sqlcommand
dim dtrAuthors As sqlreader
conpubs = New sqlconnection(configurationsettings.appSettings("STD"))
conpubs.open()
cmdSelectAuthors = New sqlcommand("Select * From HotNews WHERE date_created=" & y, conpubs)
dtrAuthors = cmdSelectAuthors.ExecuteReader()
Response.Write("<table><tr><td>")
While dtrAuthors.Read()
Response.Write(dtrAuthors("title") & "<br>")
End While
Response.Write("</td></tr></table>")
dtrAuthors.close()
conPubs.close()
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Feb 2, 2006
guys this is kind of a biggie for me.
i've only used sql server to compare the Date Portion of date(s), not the whole string (mm/dd/yyyy hh:mi).
i have a table called Time_Check which has two fields with timestamps,
"TimeLastRun & TimeNextRun". i was trying to compare the Current TimeStamp that i pass from a vb.net form to a stored procedure and compare that DateTime to the TimeNextRun. I'd like to then Update the two Time Columns if rows are found. Should i maybe be using the DateDif Func if i know ahead of time how much time should be elapsed(say five minutes)?
Any Code help is appreciated
Create Procedure dbo.My_Time_Check
@myDate smalldatetime
as
select alertnumber,alertname,TimeLastRun,TimeNextRun
from time_check
where timeNextRun >= @myDate
--would like to update these two columns if rows are found
thanks again
this forum is the best
rik
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Sep 20, 2013
I am trying to compare values from two columns but I don't know what I am doing, I tried select custom5,skipcount substr( custom5, 1, 4) as 'mynumber' from songs where custom5 > '0000%' where skipcount > cast( substr( custom5, 1, 4) as int ); But that is obviously wrong?
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Nov 17, 2005
Hi
i have this variable called order1 in the table called datetable and i want to display out the duplicate orders in sql. how do i do that? do i need to use group by ?
thanks in advance.! any help?
well i actually get the answers by doin this...
select order1 from datetable group by order1 having count(*) > 1
however now i want to compare the values date1 in the first duplicate orders to the second duplicate order...like compare aaaa of the first row and aaaa of the second row ...how to do that? i need to compare the date1 in minutes..i only wan duplicate orders with minutes difference less than 30mins
eg
id Order1 date1
1 aaaaa 20051001 12:45
2 aaaaa 20051001 12:10
3 bbbbb 20031002 15:05
4 bbbbb 20031002 15:50
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Jun 25, 2007
I am trying to compare the last two values in the same column of atable. First of all, I have a column titled Row_Index that uses anindex which starts at 1 and increments by 1. What I am trying to dois compare the values in the column 'Shift_Date' for the maximum valueof Row_Index and the (maximum value - 1) of Row_Index. I've beentrying to declare two strings, setting each string equal to one of myvalues, and then comparing the strings. But this doesn't seam to beworking right. I'm not sure I am even declaring the stringscorrectly. Does anyone know how I can do this. A sample of what oneof my values looks like in Shift_Date is ' 6/25/2007'.
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Jul 30, 2007
Hi
I€™ve a table like this (in SQL Server 2000).
v1 v2
2 8
7 10
11 15
13 17
v1 value of a row must be grater than v2 value of previous row, other wise I need to display that row, in above example, I need to display 2nd & 4th rows.
please advise
Thanks
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Feb 17, 2008
I have a table with one column. The values can be Y or N. How do I compare the 2 values and return a result depending on the comparison. For example, if I my column data looks like this.
Y
N
I need to compare them and if they match return a specific value and if they are different return a specific value.
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Dec 4, 2014
I have 2 databases( "A" + "B") with identical number of tables and identical number of records for each table. There are also identical number of fields pre record per table. Table A has had the sensitive data within the fields scrambled.
I need to know if there is a way to read down each DB table by table, record by record, field by field and compare the data values. If they are different I need to output the Field name, the data value and the Table name from the Scrambled Table (lets say its "A").
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Jun 4, 2014
I'm pretty new to sql server and now I need to create a script that:
Compares the values of the row with the same id as the row with the update table(which has updated values in it) in which the price, description or replacement part have been changed.
If they did change they should be updated and if they haven't been changed nothing should happen...
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May 8, 2008
I have the following variables VehicleID, TransactDate, TransactTime, OdometerReading, TransactCity, TransactState.
VehicleID is the unique vehicle ID, OdometerReading is the Odometer Reading, and the others are information related to the transaction time and location of the fuel card (similar to a credit card).
The records will be first grouped and sorted by VehicleID, TransactDate, TransactTime and OdometerReading. Then all records where the Vehicle ID and TransactDate is same for consecutive rows, AND TransactCity or TransactState are different for consecutive rows should be printed.
I also would like to add two derived variables.
1. Miles will be a derived variable that is the difference between consecutive odometer readings for the same Vehicle ID.
2. TimeDiff will be the second derived variable that will categorize the time difference for a particular vehicle on the same day.
My report should look like:
VehID TrDt TrTime TimeDiff Odometer Miles TrCity TrState
1296 1/30/2008 08:22:42 0:00:00 18301 000 Omaha NE
1296 1/30/2008 15:22:46 7:00:04 18560 259 KEARNEY NE
Can someone please help me here?
Thanks,
Romakanta
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Apr 24, 2015
How to select a column to compare two values in it with AND
Select distinct c.reg#, a.fname, a.lname, to_char(b.L#) as "L"
from employee a, driver b, trip c
where a.e#=b.e#
and b.l#=c.l#
and (c.reg#='PKR3344'AND c.reg#='WWF1155')
order by c.reg#;
error no rows selected..I want c.reg# for the two values inclusive
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Sep 10, 2007
HiBelow is a table with sample data to explain what I want to achieve.trackID member markerallele1------- ------ -------------------------------------------------------------------------------------------------------4734 4577 01-D8S1179 13.54734 4577 02-D21S11 12.64734 4577 03-D7S820 2.04734 4577 04-CSF1PO 3.04734 4577 06-TH01 4.04734 4577 07-D13S317 5.04734 4577 08-D16S539 9.04734 4577 11-vWA 6.04734 4577 12-TPOX 7.04734 4577 13-D18S51 1.04734 4578 01-D8S1179 13.04734 4578 02-D21S11 12.64734 4578 03-D7S820 2.04734 4578 04-CSF1PO 4.04734 4578 06-TH01 3.04734 4578 07-D13S317 5.04734 4578 08-D16S539 9.04734 4578 11-vWA 7.04734 4578 12-TPOX 6.04734 4578 13-D18S51 1.0Okay I am trying to compare allele1 values for differences for two orthree different member having the same trackID. The list of markerswould always be same for all members belonging to a particulartrackID.So in the above sample data. The trackID is same which is 4734. Thereare two members 4577 and 4578. The markers are same for each membersbut the corresponding allele1 values are different.I want to compare these two and state whether they are same or not. Iwould like to do this on a form containing subforms.Feel free to ask for clarification.Thank you.
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Aug 1, 2007
I got 1 xml source and 1 sql DB table..
Eg: Contact table in xml contains
Email
--------
bbb@yaho.com
aaa@yahoo.com
ccc@yahoo.com
then COntact table in SQL server contains
aaa@yahoo.com
ccc@yahoo.com
zzz@yahoo.com
i want to compare the two table if got same value update the row..
how to compare it in SSIS
thx
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Mar 2, 2011
I need to determine if a value for a group of rows is the same or different and I am not sure where to begin. I am fairly new to writing T-Sql code. I am working with SQL Server 2005. This is a work assignment; I am not a student.
I have two tables: One for Course and another for CourseDays. As the Course table implies, it lists courses for a school. The CourseDays tables has a row for each day a course is held. For instance, one course maybe held on Monday, Wednesday, and Friday, so there would be three rows, one row for each day. A given course could be held in a different room for each day. I am trying to write a query that returns one row for each course, and if the room number is the same for each day the class is held, return that room number in the row, else return 'Various'.
Course table:
CourseID, Desc
1 English
2 History
3 Science
CourseDays table:
CourseID, Day, RoomID
1 M 320
1 W 445
1 F 680
2 T 123
2 Th 123
3 M 514
3 T 514
3 W 521
3 Th 901
3 F 521
Expected results:
CourseID, Desc, RoomID
1 English Various
2 History 123
3 Science Various
I simplified the example, as there are about 30 columns in the table and about half a million rows.
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Aug 3, 2015
how would I compare a list of concrete values?
---table with items
SET NOCOUNT ON;
DECLARE @items TABLE (ITEM_ID INT, ITEM_NAME VARCHAR(10))
INSERT INTO @items (ITEM_ID, ITEM_NAME) SELECT 10,'ITEM 1'
INSERT INTO @items (ITEM_ID, ITEM_NAME) SELECT 11,'ITEM 2'
INSERT INTO @items (ITEM_ID, ITEM_NAME) SELECT 12,'ITEM 3'
INSERT INTO @items (ITEM_ID, ITEM_NAME) SELECT 13,'ITEM 4'
INSERT INTO @items (ITEM_ID, ITEM_NAME) SELECT 14,'ITEM 5'
INSERT INTO @items (ITEM_ID, ITEM_NAME) SELECT 15,'ITEM 6'
INSERT INTO @items (ITEM_ID, ITEM_NAME) SELECT 16,'ITEM 7'
INSERT INTO @items (ITEM_ID, ITEM_NAME) SELECT 17,'ITEM 8'
SELECT * FROM @items
-- table with categories
SET NOCOUNT ON;
DECLARE @categories TABLE (CAT_ID INT, CAT_NAME VARCHAR(10))
INSERT INTO @categories (CAT_ID, CAT_NAME) SELECT 100,'WHITE'
INSERT INTO @categories (CAT_ID, CAT_NAME) SELECT 101,'BLACK'
INSERT INTO @categories (CAT_ID, CAT_NAME) SELECT 102,'BLUE'
INSERT INTO @categories (CAT_ID, CAT_NAME) SELECT 103,'GREEN'
INSERT INTO @categories (CAT_ID, CAT_NAME) SELECT 104,'YELLOW'
INSERT INTO @categories (CAT_ID, CAT_NAME) SELECT 105,'CIRCLE'
INSERT INTO @categories (CAT_ID, CAT_NAME) SELECT 106,'SQUARE'
INSERT INTO @categories (CAT_ID, CAT_NAME) SELECT 107,'TRIANGLE'
SELECT * FROM @categories
--table where categories are assigned to master categories
SET NOCOUNT ON;
DECLARE @master_categories TABLE (MASTERCAT_ID INT, CAT_ID INT)
INSERT INTO @master_categories (MASTERCAT_ID, CAT_ID) SELECT 1,100
INSERT INTO @master_categories (MASTERCAT_ID, CAT_ID) SELECT 1,101
INSERT INTO @master_categories (MASTERCAT_ID, CAT_ID) SELECT 1,102
INSERT INTO @master_categories (MASTERCAT_ID, CAT_ID) SELECT 1,103
INSERT INTO @master_categories (MASTERCAT_ID, CAT_ID) SELECT 1,104
INSERT INTO @master_categories (MASTERCAT_ID, CAT_ID) SELECT 2,105
INSERT INTO @master_categories (MASTERCAT_ID, CAT_ID) SELECT 2,106
INSERT INTO @master_categories (MASTERCAT_ID, CAT_ID) SELECT 2,107
SELECT * FROM @master_categories
-- items-categories assignment table
SET NOCOUNT ON;
DECLARE @item_categories TABLE (CAT_ID INT, ITEM_ID INT)
INSERT INTO @item_categories (CAT_ID, ITEM_ID) SELECT 100,10
INSERT INTO @item_categories (CAT_ID, ITEM_ID) SELECT 105,10
INSERT INTO @item_categories (CAT_ID, ITEM_ID) SELECT 100,11
INSERT INTO @item_categories (CAT_ID, ITEM_ID) SELECT 105,11
[code]....
So now I need to query the table @t4 in and to determine the items that are assigned to category 'WHITE' in master category 1 and to 'CIRCLE' in master category 2.The important thing is to return items that are assigned solely to 'WHITE' in master cat 1 and solely to 'CIRCLE' in master cat 2.In the above example it would be only the ITEM 1 (id=10) that is returned:
1. ITEM 2 (id=11) is not returned because it has the assignment to category 'SQUARE' in master cat 2 additionally
2. ITEM 3 (id=12) is not returned because it has the assignment to category 'BLACK' in master cat 1 additionally
3. ITEM 4 (id=13) is not returned as it does not have assignment to category 'CIRCLE' in master cat 2 but only to 'WHITE' in master cat 1
3. ITEM 5 (id=14) is not returned as it does not have assignment to category 'WHITE' in master cat 1 but only to 'CIRCLE' in master cat 2
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Jul 20, 2005
Hey,This is what I would like to do:===========Declare @chvBOLNumberSet @chvBOLNumber='0001234'Select * from BOL where BOLNumber=@chvBOLNumberI want to return the row/rows when BOLNumber=1234============The problem is the leading zeros. @chvBOLNumber can be 01234 or 001234 or ...Hope the above makes sense. How can I do this ? (probably using wildcards)Thanks, John
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May 3, 2007
Hi
I'm trying to compare two varchars to check if they are the same, if they are the same then the color must turn red, if not then they must remain black
SELECT *
from members m, client c
where C.ClientID = m.ClientID
AND c.ClientID in (87,86)
AND m.email in ('dassd@fdskjh.com','asdfas@sdfd.net', etc...)
my results will give me two of the same email addresses but with different ClientID's, now when it
finds the same email it needs to make them both "RED"
Please help, any advice would be helpful
Kind Regards
Carel Greaves
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Oct 10, 2006
I was wondering if anyone knew how to take a value from a subreport and
compare it to a value iwthin the main report. We are trying to see if
the value in the subreport is greater than the value returned in the
main report. We want to make the value test red if it is greater than.
I know how to compare these values if they were in the same report, but
when it comes to subreports I am lost. Any ideas? Thanks in advance.
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Nov 6, 2007
Hi All ,
I am having a table which contain data in below form
id startvalue endvalue
1 12:00a 12:29a
2 12:30a 12:59a
3 1:00a 1:29a
4 1:00p 1:29p
5 2:00a 2:29a
Through SQL query I want to select the id column value for the row returned for the following query
select id from mytable where '1:24a' >= startvalue and '1:24a' <= endvalue
Idea is I will pass a literal value that lies between the startvalue (nvarchar column) and endvalue (nvarchar column) to fetch the id of the row returned, which should be 3 But when I run the query it returns me 2 rows for id 3 and 4.
I believe this is because I am trying to compare nvarchar columns with ">=" and "<=" operators.
Can anyone suggest how i can select the correct value or how to do this.
Thanks,
Ashish
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Jan 18, 2012
What I want to do is have a matrix that looks something like thisÂ
         Jan Feb March
Person A   1 ↑ 2 ↑  3 ↑
Person B   2 ↑ 2 ↔ 2 ↔
Person C   3 ↑ 2 ↓ 1 ↓
So basically it checks the previous months value and uses that to determine which indicator to use ?
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Dec 14, 2012
I have a scenario where I need to compare a single DateTime field in a stored procedure against multiple values passed into the proc.So I was thinking I could pass in the DateTime values into the stored procedure with a User Defined Table type ... and then in the stored procedure I would need to run through that table of values and compare against the CreatedWhenUTC value.I could have the following queries for example:
WHERE CreatedWhenUTC <= dateValue1 OR CreatedWhenUTC <= dateValue2 OR CreatedWhenUTC <= dateValue 3
The <= is determined by another operator param passed in. So the query could also be:
WHERE CreatedWhenUTC > dateValue1 OR CreatedWhenUTC > dateValue2 OR CreateWhenUTC > dateValue3 OR CreateWhenUTC > dateValue4
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Mar 31, 2014
I have 3 table
table_A
table_B
table_C
TABLE_A
SNO NAME ID
1 RAJU 070491
2 VAMSHI 089767
3 ARUNA 068908
TABLE_B
SNO NAME ID
2 RAJU 070491
4 JKLKJ 098766
I WANT COMPARE TWO TABLES(TABLE_A & TABLE_B) SELECT TABLE_A MATCHING VALUES COPY IN TABLE_C
EX-
SNO NAME ID
1 RAJU 070491
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