Lots Of Stats Based On One Database Table
Feb 9, 2007
Hi,
I'm new to reporting services and this is a very general question. I'm working on a large sales stats report with many results.
I want to be able to compare many results for two dates. These results
include, average sales value per day, average sales per weekday, sales
with payment received, etc.
So basically there is lots of analysis
needed mainly based on one database table (a fairly standard orders table).
What seemed the most logical thing to do is get all the relevant order rows for
these two date ranges, A and B, and append a period column to the
results, and then do all the maths/aggregate functions in Reporting
Services. Thus only having to connect to database once.
And use a matrix with date period columns.
So my query gives me results like:
Period order_total, is_weekday, no_weekdays_in_period.....
A 123 0 22....
A 54 1 22....
B 134 0 20...
Does this make the most sense? Or should I do the maths (grouping and aggregate functions) in lots of
different queries (in which case, is Reporting Services worthwhile using?)?
Any advise/suggestions appreciated.
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Oct 17, 2014
I have this t-sql code which will get some table stats on one database at a time, I was wondering how I would get it to loop through all databases so it will pull the stats from all tables in all databases. Here is my code:
Select object_schema_name(UStat.object_id)
+ '.' + object_name(UStat.object_id) As [Object Name]
,Case
When Sum(User_Updates + User_Seeks + User_Scans + User_Lookups) = 0 Then Null
Else Cast(Sum(User_Seeks + User_Scans + User_Lookups) As Decimal)
/ Cast(Sum(User_Updates
[code]....
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Jan 17, 2008
Hi all,
I have two tables within the SQL server and there is an application writes 20.000 or 40000 rows in the First table.
1) I need to know when the table completes filled to start move the data to the second table.
2) After I copy the rows I need to delete the rows from the first table.
I though to use the trigger but I am not sure if this is the best approach or not
Please help....
Thank you
sms
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Mar 19, 2008
Hi,
I am working on an application to analyse down time on a production line system. The system has about 40 rows inserted per minute. The inserts are coming from about 10 different stations.
I need to a analyse the downtime between each insert from each station. The plan is to copy the data to another database on a different server so as not to affect the live system that is being updated by the production line.
However the initial requirement was to do this at night while the production line was down but now they want the data to be updated every 3 hours which means performing this huge query while the production line is bombarding the DB with inserts.
I am wondering what is the best way of doing this. Is there any way I can limit the abount of processor this proceedure will take.
Any advice appreciated,
Thanks,
Sean
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Jul 17, 2006
I have an application that reads a monitoring devices that produces 200 digital outputs every second and I would like to store them in a table. This table would get quite big fairly quickly as ultimately I would like to monitor over a hundred of these devices.
I would like to construct queries against each of the individual digital channels or combinations of them.
M first thought is to set up a table with 200 separate columns (plus others for date stamp, device ID etc) however, I am concerned that a table with 200 boolean (1-bit) fields would be an enormous waste of space if each field takes maybe one to four bytes on the hard disk to store a single bit. However, this would have the advantage of make the SQL queries more natural.
The other alternative is to create a single 200 bit field and use lots of ANDing and ORing to isolate bits to do my queries. This would make my SQL code less readable and may also cause nore hassle in the future if the inputs changed, but it would make the file size smaller.
In essence I am asking (hoping) the following : If I create a table with 200 boolean fields, does SQL server express automatically optimise the storage to make it more compact? This means that the server can mess around at the bit level and leave my higher level SQL code looking cleaner and more logical.
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Jan 5, 2004
Hi all,
I would like to create a stored procedure that will get the statistics of all the table in my database.
e.g.
Get the record count of each table in the database
Please help me.
Thanks in advance.
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Jul 20, 2005
COuld someone tell me if its possible to get hold of stats about allDatabases on a SQL Server.The sort of things I would like areName of DBLocation of DBSize of DBLocation of LogfileSize of DBOwnerUsers Authorised to access the DBIs there something that can do thisThanksDerrick
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Oct 11, 2006
Hello,
I have a table that is fairly large, and I need to make a change to one of the columns in the table. Namely I need to change the datatype and rename that column. When I try to save the updated table, I keep getting a timeout error that says.
'eligibility (dbo)' table
- Unable to create index 'PK_eligibility'.
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.
Any ideas on how to make the table change more efficient or change the timeout period. I need to keep the existing data in the table. I am using sql server managment studio(2005) connected to a sql server 2000 database.
Thanks!
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Jan 6, 2008
when I hit F12 to preview my page and forms etc it goes to this error
This error (HTTP 500 Internal Server Error) means that the website you are visiting had a server problem which prevented the webpage from displaying.
For more information about HTTP errors, see Help.
AND when I try to hold up to an SQL database it wont let me and says the server doesnt exist still. Whats wrong with my SQL server and what can I do to resolve this problem?
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Feb 7, 2006
What's the best practice for adding / editing a record into a database with lots of fields ?I am not talking about the mechanics of it, as there are a lot of trivial examples using ADO.NET, stored procs, etc.
Deleting is easy, you just pass in (a few) primary key/keys to uniquely identify the record.
But in the real world when you have, say, a table with 100 fields! Do you code the INSERT sproc by hand, with 100 parameters... then call it with your ADO.NET code ? sounds like a lot of work to me...
What about updating! That's even worst, sometimes you may need to update only 3 or 4 fields, but using sprocs you would have to pass the whole 100 parameters in again, and "update" the whole record (when in fact you are only changing 3 or 4 fields).
With the update i could write different sprocs targeting only the fields i wish to update, but that sounds like duplicating work, vs having one generic update proc.
Sometimes i just feel like bypassing sprocs and having inline sql as it would be less work... but i know it is untidy.. and more potential to be buggy.
So come on guys (and gals)... let's hear your thoughts on how you would handle the insert / update scenarios when you have lots of fields ? Northwind examples are too trivial :-)
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Oct 23, 2007
I have client tools installed on a server and I have registered our 30+ instances hosted on various servers to this one MS SQL 2005 Management Studios.
Question:
How can I use this set up to send an e-mail distribution list a nice monthly chat showing the sizes of the database, memory, cpu utilization of all the registered databases?
Many thanks for your help !!
seethem
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Mar 1, 1999
We recently upgraded to Version 7.0 and the Enterprise Manager on the client is not showing the database size or the information in regards to the last backups.
Has anyone else experienced this that can offer a solution?
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Apr 15, 2008
I would like to break a large table into multiple pages when previewing in the designer. Any ideas?
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Jul 20, 2005
Hi all. Anyone know if sql server collects stats on how many fulltable scans a table gets and if so how do I get at those stats? Tryingto track down poorly indexed tables / processes and I am guessing thatsql server does have this data secreted away somewhere much like mydb2 and informix databases do.
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Mar 30, 2006
I'm trying to design a college football players database and their statistics, and I have tables defined. However, I've hit a roadblock and could use some advice.
What I am trying to do is:
1) I have a table with a college football prospect filled with information. I name a table named Prospects.
2) I want to keep their stats for the year, which could include items like PassAttempts, Completions, Touchdowns, etc.
Now, I could just have a table named Offense with PassAttempts, Completions, touchdows, etc. Then, have a table called Defense with columns like sacks, forcedfumbles, etc. Along those lines, a table named Kicker with colunms such as FGmade, FGattempted, etc.
For example:
Table Offense
PassAttempts int notNull
PassCompeted int notNull
However, I kinda see this would be bad if later I need to add a column to the table for a new stat as i have to go in a add data to exixting rows. So, what I think I need is instead of defining these stats as columns that I need to define them as rows somehow.
So, I have a Prospects table and a Statistics table. This looks to me like a many to many relationship as a prospect can have many statistics and a statistics can have many players. So I defined a junction table which includes the primary for from both tables to create two, one t many relationships.
I also have a few other tables I'm using to break it down.
Table: StatOccurance (Can be something like SeasonStat, BowlGame, AllStarGame, etc.)
Table: StatType (Can be PassCompleted, Fumbles, FieldGoalAttempts, Touchdowns, etc.).
Table: StatCategory (Can be Offense, Defense, Kicker, Punter, etc.).
Anyway, any advice would be appreciated on how to piece these together efficiently. I have a Word document with my tables you can look at that show the fields and relationships. In particular, in my Statistics table I have StatValue where the actual statistic value will be held but I don't know how to set its type? What if a stat is numeric, character, or even something text like a height 6' 4". I can do all this if I were to put offense, defense, etc. in their own table, but I don't think that's the way to go even though I don't know exactly how to explain why. I know it has something to do with "What if I add a new offensive stat later after the table is populated" but I don't know how else to specify the types of individual statistics.
Don't laugh if it's garbage as I'm using this as a learning process. I may not have explained it very well, but you can look at a diagram I put here to get an idea of what I'm trying to do.
Stat Data
Thanks!
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Oct 30, 2015
I have a set of data spread across a number of tables regarding stock market data. An example of this follows:
Market Capitalization...
Date CompA CompB
01/01/11 100 5
02/01/11 102 4
Share Price....
Date CompA CompB
01/01/11 100 100
02/01/11 101 99
Event Data...
Date Company
01/01/11 CompA
02/01/11 CompB
Pretty simply, I need a way to retrieve the market capitalisation and share price data based on the event data. So for instance I say 'oh, there is an event on the 01/01/11 involving company A, the market capitalisation on this day was 100, then for the next event it was 4 for company B.
I can also transpose the data so that the company name is in the rows and the dates in the columns for the market cap and share price tables, but this leads to the issue that when I try and get the data, I don't know how to query the correct company for that date.
For instance:
SELECT Event.Date, Event.Company
FROM Event
how do I now say.....
SELECT MarketCapitalisation.Column
WHERE Column = Event.Company
AND MarketCapitalisation.Date = Event.Date.
I have played around with a few basic joins, but I am having issue with the principle of that second to last line of SQL (so only getting the correct column).
I still have a copy of the data in excel so can flip things around as needed, but that would only mean that I would have the issue of WHERE Column = Event.Date instead of Event.Company.
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Jul 20, 2005
Can I dynamically (from a stored procedure) generatea create table script of all tables in a given database (with defaults etc)a create view script of all viewsa create function script of all functionsa create index script of all indexes.(The result will be 4 scripts)Arno de Jong,The Netherlands.
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Nov 18, 2014
I have 2 tables: Order(ID, Quantity) and Product(ID,Name, Price) and I want to add a calculated field in Order table based on the price column in the Product table. How do i do that?
this query returns the values i want in the table.
select a.quantity * b.price
from tblCustomerPurchases as a
join tblProduct as b
on a.ID=b.ID
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Sep 13, 2005
I’ve got a situation where the columns in a table we’re grabbing from a source database keep changing as we need more information from that database. As new columns are added to the source table, I would like to dynamically look for those new columns and add them to our local database’s schema if new ones exist. We’re dropping and creating our target db table each time right now based on a pre-defined known schema, but what we really want is to drop and recreate it based on a dynamic schema, and then import all of the records from the source table to ours.It looks like a starting point might be EXEC sp_columns_rowset 'tablename' and then creating some kind of dynamic SQL statement based on that. However, I'm hoping someone might have a resource that already handles this that they might be able to steer me towards.Sincerely,
Bryan Ax
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Jan 28, 2012
I need to add a child table that will tell us who the participants counselor is, what I did was I did a Make Table query based off the primary key of the Parent table and made that the link (foreign key) for the People_tbl and the Counselor_tbl, so if the counselor changes then the user adds the record to the counselor tbl and then puts in the Effective date. The problem is that when I run a report it doesn't show the present counselor always shows the old counselor?
Code:
SELECT Student_ind.StudentFirstName, Student_ind.StudentLastName, Student_ind.[Student ID], People_tbl.[Family ID], People_tbl.FirstName,
People_tbl.LastName, People_tbl.[Parent ID]
FROM People_tbl RIGHT OUTER JOIN
Student_ind ON People_tbl.[Family ID] = Student_ind.[Family ID]
WHERE (People_tbl.LastName = @Enter_LastName) AND (People_tbl.FirstName = @Enter_FirstName)
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Jun 10, 2015
Here is my table:
My question is: How can I insert a row for each unique TemplateId. So let's say I have templateIds like, 2,5,6,7... For each unique templateId, how can I insert one more row?
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Jul 20, 2005
I have two tables that are related by keys. For instance,Table employee {last_name char(40) not null,first_name char(40) not null,department_name char(40) not null,age int not null,...}Employee table has a primary key (combination of last_name and first_name).Table address {last_name char(40) not null,first_name char(40) not null,street char(200) not null,city char(100) not null,...}Address table has a primary key (combination of last_name, first_name andstreet in which (last_name, first_name) reference (last_name, first_name) inemployee table.Now I want to delete some rows in Address table based on department_name inEmployee table. What is sql for this delete?I appreciate your help. Please ignore table design and I just use it for myproblem illustration.Jim
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Aug 11, 2015
I am working on a model where I have a sales fact table. Each fact record has four different customer fields (ship- to, sold-to, payer, and bill-to customer). I have one customer dimension table that joins to the sales fact table four times (once for each of the customer fields above). When viewing the data in Excel, I would like to have four hierarchies (ship -to, sold-to, payer, and bill-to customer) within Customer.
Is there a way to build hierarchies within my Customer dimension based on the same Customer table? What I want is to view the data in Excel and see the Customer dimension. Within Customer, I want four hierarchies.
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May 6, 2007
In case some of you have read my previous posts, you may be aware that I'm writing a webboard application as a replacement for the old one.The old one currently have approximately 50000 topics in the database, each has on average 10 replies (I just check recently. I though it was only 7000 topics).I need to provide paging and sorting feature to the topic list. But I can't just SELECT all of them and let GridView do the paging/sorting, right?I have been using stored procedures to store my SQL statement for several projects now. I know how to deal with the paging feature (ROW_NUMBER), but the sorting requires me to change to change the "ORDER BY" clause.1. Can somebody tell me how to change the ORDER BY clause in the stored procedure(s) at runtime? Or does anyone have other approach?
Currently I'm thinking about moving back from store procedures to hard-code SQL statements, and then modify/generate the SQL statement for each paging / sorting. But I've learn that stored procedures give more performance and security.2. According to the situation I provided, is it worth moving from stored procedures to hard-code SQL?I'm also using 3-tier architecture approach + OOP. But I reach a conflict in my thoughts. You see, according to OOP, I'm supposed to create classes that reflect the actual objects in the real-world, right? In my case the classes are "Board, Topic, Reply, ...." According to this and 3-tier approach, I intend to use ObjectDataSource as a bridge between Presentation Logic and Business Logic. But I wonder what my datasource class should return3. Should my data source class return data objects like1st approach[DataObject(True)]pubic class TopicDataSource{ public static Topic[] GetTopicList() { }}or should it return DataSet / DataTable / DataReader like2nd approach [DataObject(True)]public class TopicDataSource{ public static DataTable GetTopicList() {}}Personally I think approach 1 is more OOP and allow for more extendability, but approach 2 might be faster.4. If I go with approach 1, how should I control which property of my data objects is read-only after it's has been inserted/created? Can I just set my data object's property to be readonly? Or do I have to set it at page level (i.e. GridView-> Columns -> BoundField -> ReadOnly=True)? Or do I set it and the page level and write a code to throw an exception in the rare case the application / user try to change it's value? Or else?Please help. These questions slow me down for days now.If there's any concepts that I misunderstood, please tell me. I'm aware that I don't know as much as some of you.I will be extremely grateful to anyone who answer any of my questions.Thanks a lot.PS. For those who think my questions are stupid, I'm very, very sorry that I bother you.
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Sep 19, 2006
Hello :)
I seem to have somehow got myself into a situation where I'm having to run the following SELECTs, one after another, on a single ASP page. This is not tidy. How can I join them all together so I get a single recordset returned with all my stats in different columns?
SELECT COUNT(*) FROM tblQuiz WHERE [q3] = '5 years +' OR [q3] = '2 - 4 years'
SELECT COUNT(*) FROM tblQuiz WHERE [q4] <> '' AND [q4] IS NOT NULL
SELECT COUNT(*) FROM tblQuiz WHERE [q5] = 'Unhappy'
SELECT COUNT(*) FROM tblQuiz WHERE [q6] = 'Yes'
SELECT COUNT(*) FROM tblQuiz WHERE [q7] = 'Yes'
SELECT COUNT(*) FROM tblQuiz WHERE [q8] <> '' AND [q8] IS NOT NULL
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Jul 20, 2005
Hello all,I have a database in SQL Server that should save data from a CRM-likeapplication.The database consists of tables like products, services, customers,partners etc. Problem is that the users should be able to find theseitems on different properties and with or without substring finding(SQL: LIKE). Example: I want the users to be able to find a customer,providing a customerID, but also providing a customername, zipcode orjust a part of those strings.This will result in a lot of queries. I bet there are some nicesolutions to this, since I will not be the first with this situation.If anyone can help, please.Thank you in advance.Regards,Freek Versteijn
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Dec 2, 2015
I would like to update the flag of the promotion ID should the promotion ID date range overlap with Promotion ID(All) Date Range. The general logic is as below.
Update TableName
SET PromotionID Flag = 1 AND Reason = 'Overlap with row ID(Overlap row ID number)'
Where EACH ROW(Except with Promotion ID ALL) Date Range Overlap with ROW(with promotion ID ALL) Date range
Note: ROW is Partition By ColumnA,ColumnB
TableName: PromotionList
ID PromotionID StartDate EndDate ColumnA ColumnB Flag Reason
1 1 2015-04-05 2015-05-28 NULL NULL 0 NULL
2 1 2015-04-05 2015-04-23 2 3 0 NULL
3 2 2015-05-04 2015-07-07 2 3 0 NULL
4 ALL 2015-04-05 2015-04-28 NULL NULL 0 NULL
5 ALL 2015-07-06 2015-07-10 2 3 0 NULL
6 1 2015-02-03 2015-03-03 NULL NULL 0 NULL
Expected outcome after performing update on the table
ID PromotionID StartDate EndDate ColumnA ColumnB Flag Reason
1 1 2015-04-05 2015-05-28 NULL NULL 1 Overlap with row ID 4
2 1 2015-04-05 2015-04-23 2 3 0 NULL
3 2 2015-05-04 2015-07-07 2 3 Overlap with row ID 5
4 ALL 2015-04-05 2015-04-28 NULL NULL 0 NULL
5 ALL 2015-07-06 2015-07-10 2 3 0 NULL
6 1 2015-02-03 2015-03-03 NULL NULL 0 NULL
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Jan 22, 2008
Hello Friends,
I have two tables, And also I have Sample data in them.
create table X
(y int,
m int,
v int)
insert into X select 2007,1,5
insert into X select 2007,1,3
insert into X select 2007,2,9
insert into X select 2007,2,1
select * from X
Create table Y
(fy int,
fm int,
v int)
insert into Y select 2007,1,0
insert into Y select 2007,2,0
insert into Y select 2007,3,0
select * from X
select * from Y
I want to update the Table Y with the Sum of the Fields V from X based on the Criteria Y.fy = X.y and Y.fm = X.m
Using temporary table cannot be done.
Thanks in Advance,
Babz
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May 29, 2008
Now i have master Table for a device Utility. There is a attribute called "Device Type " in the table. Every Device Type has specific Device Attributes associate with it . Now attribute of Diffrent Device type are stored in Different Tables. Now when i select a particular value of Device Type ( lets say Type 1 or TYPE 2 ... ) then the table with has the attribute associated with particuter device type only has to be selected .
So how can I do this ???
How to form a realtion between the tables,... ????
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May 28, 2015
I have this table:
with actividades_secundarias as (
select a.*, r.Antigo, r.Novo, rn = row_number()
over (PARTITION BY a.nif_antigo, r.novo ORDER BY a.nif_antigo)
from ACT_SECUNDARIAS a inner join
((select
[Code] ....
I want to make a delete statement like this:
select * into #table1 from actvidades_secundarias where rn>1
Delete from act_secundarias where act_secundarias.nif_antigo = #table1.nif_antigo and act_secundarias.cod_cae = #table1.cod_cae
But it seems that I cant delete like this.
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Nov 17, 2015
I have a daily record table (has field Date1, field2Update) and have another table(has field Date2, Flag (value: 0 and non 0 values)
I want to update table1 and set field2Update as somevalue where table2.Flag <> 0
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Mar 7, 2008
I need Insert rows in the OrderDetails Table based on values in the Orders Table
In the Orders table i have a columns called OrderID and ISale.
In the OrdersDetails i have columns called OrderID and SaleType
For each value in the OrderID Column of the Orders Table, anytime the ISale Column in the Orders table = 1, and the SalesType column in the OrderDetails table is empty, I want to add two rows in the OrderDetails table. One row with the value K and another row with the value KD.
That is a row will be added and the value in the SalesType column will be K, also a second row will be added and the value in the SalesType column will be KD
Also for each value in the OrderID Column of the Orders Table, anytime the ISale Column in the Orders table = 0, and the SalesType column in the OrderDetails table is empty, I want to add two rows in the OrderDetails table. One row with the value Q and another row with the value QD
That is a row will be added and the value in the SalesType column will be Q, also a second row will be added and the value in the SalesType column will be QD.
I need a SQL Script to accomplish this. thanks
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Apr 23, 2008
I have 2 tables with 2 fields in common between them. How do I get a count of rows in table 1 but not in table 2 matching those 2 fields? Thanks.
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