I am pretty new to SQL and facing difficulties with a current problem.
I have a list of customers and a sequence of events they have triggered . I know the sequence in which these events have been triggered and only want to increment a value when a new event is triggered (value to remain the same if the event is the same). I have come close to a solution with Dense_rank but the problem here is that the ranking doesn't reset if the same even previously triggered is triggered a bit later in the sequence. see below an example of current results and expected results:
I have a Primary Key column that I would like to have formatted as follows: 'yyyymmdd[auto increment]' . I would also like the auto increment to restart at the beginning of a new month. Any idea's on how to achieve this? Thanks
I am trying to code a rule at the moment which sets a value based on the value of the previous row. This is as far as I have got so far. I am trying to run it as a set based command and I believe I may need to make use of a numbers table.
Anyway the code is....
declare @data table (ID int identity(1,1), DeviceID int, EventTypeID int, EventID int)
[Code] ....
So the output is currently incorrect. Each DeviceID needs to have a ID assigned to the MIN(ID) which isn't yet in the code above. This ID has to be sequential across the full table and not dependent on ID.
Next the rule is coded in the case statement above.
So for each DeviceID, when the EventType goes from 1, 2 or 4, to 0 or 3, the following record after the 0 or 3 will have a new EventID. And conversely when the EventType goes from 0 or 3 to 1,2, or 4, the record that is the 1, 2 or 4 will have a new EventID.
writing the procedure for incrementing the number based on alphabets from A-Z
for example:
if alphabet is A then increment should be A001,next A002..etc if alphabet is B then increment should be B001,next B002...etc . . . . if alphabet is Z then increment should be Z001,next Z002...etc
Hi, How to Change Increment Value for existing Identity Column (MS SQL2000) ?
I know how to change the seed : DBCC CHECKIDENT (activity, RESEED,4233596)
but I need the future id generated with step 2 4233596 4233598 4233600 I would like to do it using T-sql because I will need to do it every day after syncronising with another SQL server .
I'm storing records that contain a date/time data type. I am needing two links on a reports page (asp), the first should return all records for the current month and the second link should return all records for the last three months (including current month). I have no idea how to just sort by month.
I'm also not sure what to include here in this post to help you answer my question. On the form that is submitted initially the text field is named "txtSubmitDate" and in the database it's stored in a field called "submitdate" and is 8 characters in length.
I've tried: 'SELECT TODAY'S MONTH SqlJunk = "SELECT * FROM eom WHERE MONTH(submitdate) = MONTH(GETDATE())-1"
'SELECT TODAY'S MONTH and the last 2 months SqlJunk2 = "SELECT * FROM eom WHERE MONTH(submitdate) = MONTH(GETDATE()) OR MONTH(submitdate) = MONTH(GETDATE())-1 OR MONTH(submitdate) = MONTH(GETDATE())-2 ORDER BY submitdate ASC"
These are not working because it can't handle the change in year (going from january 2005 back to december 2004, etc).
I'm trying to only show yesterday's data based on a date that is stored as a varchar. I converted it to smalldatetime but I'm getting an error that says "Conversion failed when converting date and/or time from character string." I don't know how I have to alter the conversion.
i'd like to use ssis on a certain project but am concerned that one of my transformations needs lookup results to be based on actions taken on previous lookups and that the toolkit doesnt really offer something like that.
so, i have a dataflow whose first component extracts certain kinds of data from an xml document.
each row returned by the latter needs a lookup but the results of that lookup may dictate a certain kind of update. The next row's lookup may need to be influenced by the previous row's update.
So I think I have two challenges, 1) combining a lookup and update, 2) making sure the buffer architecture completes one lookup and update before the next lookup begins.
I have a client data which has the candidate id, a start date which will have only the date in varchar format and a time value associated to that date in varchar format in a seperate column.
To give a brief explanation about the data a candidate will come to study center at any time point in a day for example 10:00 AM on 20-10-2014. The start date will be 20-10-2014 and from 10:00 AM he will have test based on the time point. So if the time point is 2 HR, then at 12:00 PM he will have a test. If the time point is 8 HR, it will get added with 10:00 AM and based on this he will have the test at 06:00 PM. When the timepoint reaches 00:00 the start date needs to be the next date instead of 20-10-2014.
The start date needs to be appended with the time value such that when it crosses over the time 00:00, the start date needs to get increased by 1 ie the next day. I have added the start date to the time by using the code below
CAST(STARTDATE as datetime) + CAST(CAST(STUFF([TIME],3,0,':') as time(0)) as datetime) as [EXPECTEDDATETIME]
By this above code i have created the expected datetime however
I will not be able to hardcode the value due to dynamic data. I tried to apply >= and < to the time value something like
case when MyTime >= '00:00' and MyTime < '08:10' the Dateadd(day, 1, date)
This works perfect but my concern is that I cannot put the value 08:10 because it will not a constant value for all rows.
I have provided a screenshot of my data and a expected date column for reference.
I need to write a t-sql query that will take the value of the previousrecord into consideration before calculating the current row's newcolumn value...Here's the situation...I have a query which return the following table structure...Full_Name Points----------------- ------------Name1 855Name2 805Name3 800Name4 775Name5 775Name6 741etc.... etc...I need to create a calculated column that tells me where the personranks in point position. The problem i run into is that in thesituation where two or more people have the same point value i need thecalculated rank column to display the same rank number (i.e. 4th orjust "4") I'm not sure how to to take into consideration the previousrow's point value to determine if it is the same as the current onebeing evaluated. If i new they were the same i could assign the samerank value (i.e. 4th or just "4").If any one has any insight that would be great.ThanksJeremy
I have a scenario to compare previous records based on each ID columns. For each ID, there would be few records, I have a column called "compare", We have to compare all Compare 1 records with Compare 0 Records. If Dt is lesser or equal to comparing DT, then show 0. Else 1
We always only one Compare 0 records in my table, so all compare 1 columns will compare with only one row per ID
My tables look like
Declare @tab1 table (ID Varchar(3), Dt Date, Compare Int) Insert Into @tab1 values ('101','2015-07-01',0) Insert Into @tab1 values ('101','2015-07-02',1) Insert Into @tab1 values ('101','2015-07-03',1) Insert Into @tab1 values ('101','2015-07-01',1) Insert Into @tab1 values ('101','2015-06-30',1)
Insert Into @tab1 values ('102','2015-07-01',0) Insert Into @tab1 values ('102','2015-07-02',1) Insert Into @tab1 values ('102','2015-07-01',1)
select * from @tab1
1.) In the above scenario for ID = '101', we have 5 records, first record has Compare value 0, which mean all other 4 records need to compare with this record only
2.) If Compare 1 record's Dt is less or equal to Compare 0's DT, then show 0 in next columnÂ
3.)Â If Compare 1 record's Dt is greater than Compare 0's DT, then show 1 in next columnÂ
I do appreciat your help, I want to run a store procedure which will show 6 months . I do not know how to write the procedure, here in the notion in my mind, I want to be able to pass an input parameter (month) to the procedure which will then run a query to show 6 months prior the input parameter month, how can I do that, thanks for your help
I am pulling down out of range values from a single table on one database to a different table on a different database on a different server (one i have full access to). Basically, it looks something like this:
id1 value1 prev_value1 value2 prev_value2 date prev_date id2 value1 prev_value1 value2 prev_value2 date prev_date id3 value1 prev_value1 value2 prev_value2 date prev_date
all the "prev"'s are null. I want to do one do one query that will get me the previous values and dates for each id from the original database. how to do this.
               January   February  March     April Sales        1050        800         750        1100 Units Sold 50           40           41           60
I want to change the background color to yellow if the value is less than the previous month. For example for the sales row, February sales is less than January and March sales is less than February so I would want the values (800 and 750) to have a background color of yellow. The columns is grouped by month.I've tried experimenting with the Previous function but I run into the following error message: The BackgroundColor expression for the text box has a scope parameter that is not valid for an aggregate function. The scope parameter must be set to a string constant that is equal to either the name of a containing group, the name of a containing data region, or the name of a dataset.
We have an application which has had a big design floor and is now causing an issue which needs to be rectified. It inserted data in batches of 2000 rows which should have always been in sequence. A column was used which recorded an ever increasing numerical value for each row that was inserted. So batch 1 would have a start value of 1 and an end value of 2001. Batch 2 would have a start value of 2002 and an end value of 4002 etc.
The problem is the application which inserted these records in order, missed some records. So in actual fact we have:
Now the missing data has been found, it will be inserted at the end of the table, as we cannot insert it where its should be as the sequence value has been used by the next batch already. Lets say the table is 10,000 rows so far, so the seq for batch 2, for example, will be 2002-3998, then after the missing data is inserted, 10,001 - 10,005. The application uses these sequences to show the range of data so where it should be 2000 rows being returned, it would now show 8003 rows - all the other batches between the first and last sequences for the batch!
I need to change the sequence values across the whole table so they are in order. I can select the data in the correct sort order as there is another unique key on the table, but unsure how best to use this to change the sequence column to be in order for all rows. Adding an identity column would work and then remove and rename the seq column, but I obviously cannot add this based on another columns sort order. The identity column would use the clustered key which is in the incorrect order!!
Can you help me with SQL issue I€™m stuck on? I wish to take source data that looks like this:
Invoic_num
Line_num
6658
0
6658
2
6658
8
7721
2
7721
3
And rebuild the line numbers like this:
Invoic_num
Line_num
6658
1
6658
2
6658
3
7721
1
7721
2
This seems completely impossible to me. So I was thinking that maybe a second procedure using update could be run against the table after the initial build.
Here's something that I need to do. Might be pretty simple for you guys. :)
I have a table of Employees. All the employees work in some departments. So, I have a table of Department too. Employee table consists of details like EmpID, FirstName, LastName, SAP etc. Dept table consists of TeamID, TeamNo. Now, I have another table called as Emp-Team. This table basically maps the employees to the department by taking EmpID and TeamID. There's one more column in this table which is date. This date is required because when some person resigns (say today) then he won't feature in the headcount for July 08 but till June 08 he was there and this is how I maintain my history. e.g All the employees in the Emp_Team table have date as 01/06/2008 for this month. So, in future if I query for the employees who worked in June I will get this list. Now, I want to copy all this data in the same table again and want to remove any people who have resigned. Their resignation status is in the Employee table, where you have their last working date as well. So, when I add all this data with date 01/07/2008 I want to remove any employees whose last working date is before that.
Can this be done or I have to change my design? In case it can be - How?
I Have a table that needs to have 2 unique number.
detail_id and detail_print_id.
detail_id is already an IDENTITY.
both fields need to be different, because when importing, it imports the same data into a table twice, with only a slight data change (and id is not one of the changes).
So I thought i could do the following:
detail_id INT NOT NULL IDENTITY(1,2), detail_print_id INT NOT NULL IDENTITY(2,2), --blah blah
that way, the detail_id will always be odd, and the detail_print_id will always be even. however SQL Server 2005 only allows 1 identity per table, and both these fields need to be auto generated when the field is inserted, so as to prevent double data.
is there anyway I can create a int column to auto increment, without the column being an IDENTITY??
also, I would prefer to not have to create a second table with a single column just for this work.
I have a textbox, combo box, and a button on a form. I would like to perform a different query depending on the combo box selection. I thought I could do something such as: if (cboSearch.Text == "Selection1") { scCmd = "SELECT * FROM tblTable WHERE txtSearch = @Selection1"; } else if (cboSearch.Text == "Selection2") { scCmd = "SELECT * FROM tblTable WHERE txtSearch = @Selection2"; } else { scCmd = "SELECT * FROM tblTable WHERE txtSearch = @Selection3"; } However, this obviously does not operate as I would need it to. What is the proper method for conditional SqlCommand statements like this?
When the value of Downtime is greater than 0:00:10 I would like to have the background of that cell to be Red and its font bold. How to accomplish this in query?
When you set a row's hidden property to true, RS writes a white row. Is there a way to keep the background color the same is it was before the row was hidden and just not display the data?
I would like to pull data from two seperate columns based on the vaule for MakeFlag. So if MakeFlag = 0 I would like the description to show but anything else I would like catalog description to show up.
I have a report parameter named "Schools" which display a list of schools. For example, Alo elementary school, Balo middle school and Calo high school.
When "Alo elementary" is selected the report only display students from that school along with other assessments data fields. same goes for other schools too. But I want to display different data fields for "Calo high school" when it is selected. It is not currently possilbe becasue I am using the same template for all types of schools. There some fields only should be displayed for "Calo high school" but not for any other type of schools.
I can accomplish this by creating two separate report, one for "Calo high school" and the other for other schools. But I want to accomplish this just by creating one report. So when "Alo elementary school" is selected it displays report with certain fields and when "Calo high school" is selected then it displays same fields as "Alo elementary school" but as well as some other fields too in the report. Is this possible? Need help.
I hope you can help me. I posted this in the microsoft sql server newsgroupa few days ago and got no response so I thought I'd try here. If I canprovide any clarification I'll be glad to do so.I'm trying to calculate a column based on the value of the previous record.I'm not very experienced with SQL-Server.I'm using the following table:CREATE TABLE tblPayment([PaymentID] [int] IDENTITY (1, 1) NOT NULL ,[LoanID] [int] NULL ,[PaymentPeriod] [int] NULL ,[PaymentRecDate] [datetime] NULL ,[PaymentAMT] [money] NULL)I have a view based on this table. That view has the following calculatedcolumnsBeginningBalance: For the first record, this is equal to the loan amountfrom the loan table. For each additional record this is equal to the endingbalance from the previous payment record.Interest: BeginningBalance * the monthly interest rate from the loantablePrincipal: PaymentAMT - InterestEndingBalance: BeginningBalance - PrincipalIt might seem I could use a subquery to calculate the Beginning Balance asin:SELECT LoanID, PaymentPeriod, PaymentAMT,(SELECT SUM(PaymentAMT) FROM tblPayment AS tbl1WHERE tbl1.LoanID = tblPayment.LoanID AND tbl1.PaymentPeriod <tblPayment.PaymentPeriod) AS BeginBalanceFROM tblPaymentWHERE (LoanID = @LoanID)But this will not work, because the interest is calculated on the previousmonth's balance. I need to find a way to loop through the recordset. Isthis possible?Thank you,--Derek CooperDatabase9www.database9.com
