Question: 1 .mdb; 99 Tables = 200MB; 1 Table = 12.5GB.

Feb 11, 2008

Sorry to be a nob but my production database is current running as listed in the subject line. I have about 100 tables taking up almost 12.5GB. 99 of the tables use about 200 MB, the 1 table uses about 13GB of data. I have to assume that as data fills into the large table the data really starts to fragment within the database. This fragmentation obviosuly makes accessing the other tables slower than normal.

I have a question or two:
1) Is this really the case? Would the one large table adversly affect the smaller tables by placing data all over the disk (it's running RAID 0 + 1 I believe).

2) Is there a way to place the one table and it's indexes on disk and place the rest of the tables in it's own? If so, what is this called. It doesn't seem to be partitioned although this might be something that I'd like to do as well. I see how I can add files to the database but it only seems to use those files as extra space, not necessarily dedicating one table to a particular file.

Thanks in advance.

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Dec 1, 2003

Hi,
I have posted a request regarding deleting the file more than 1 month old that we have discussed in bleow URL.

http://forums.databasejournal.com/showthread.php?s=&threadid=29895

My new request is I have enabled C2 Audit mode and wanted to delete old files that is more than 200MB.
Could you Please give me a query ?.
Thanks,
Ravi

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Feb 9, 2012

I'm trying to insert data into a table from two tables into a single table along with a hard coded value.

insert into TABLE1
(THING,PERSONORGROUP,ACCESSRIGHTS)
VALUES
((select SYSTEM_ID from TABLE2 where
AUTHOR IN (select SYSTEM_ID from TABLE2 where USER_ID
=('USER1'))),(select SYSTEM_ID from TABLE2 where USER_ID
=('USER2')),255)

I get the following-

Msg 512, Level 16, State 1, Line 1

Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.

The statement has been terminated.

Do I need to use a cursor?

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Oct 15, 2007

Hello,

I hope someone can answer this, I'm not even sure where to start looking for documentation on this. The SQL query I'm referencing is included at the bottom of this post.

I have a query with 3 select statements joined together like tables. It works great, except for the fact that I need to declare a variable and make it a table within two of those 3. The example is below. You'll see that I have three select statements made into tables A, B, and C, and that table A has a variable @years, which is a table.

This works when I just run table A by itself, but when I execute the entire query, I get an error about the "declare" keyword, and then some other errors near the word "as" and the ")" character. These are some of those errors that I find pretty meaningless that just mean I've really thrown something off.

So, am I not allowed to declare a variable within these SELECT tables that I'm creating and joining?

Thanks in advance,
Andy

Select * from

(

declare @years table (years int);

insert into @years

select

CASE

WHEN month(getdate()) in (1) THEN year(getdate())-1

WHEN month(getdate()) in (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12) THEN year(getdate())

END

select

u.fullname

, sum(tx.Dm_Time) LastMonthBillhours

, sum(tx.Dm_Time)/((select dm_billabledays from dm_billabledays where Dm_Month = Month(GetDate()))*8) lasmosbillingpercentage

from

Dm_TimeEntry tx

join

systemuserbase u

on

(tx.owninguser = u.systemuserid)

where

Month(tx.Dm_Date) = Month(getdate())-1

and

year(dm_date) = (select years from @years)

and tx.dm_billable = 1

group by u.fullname

) as A

left outer join

(select

u.FullName

, sum(tx.Dm_Time) Billhours

, ((sum(tx.Dm_Time))

/

((day(getdate()) * ((5.0)/(7.0))) * 8)) perc

from

Dm_TimeEntry tx

join

systemuserbase u

on

(tx.owninguser = u.systemuserid)

where

tx.Dm_Billable = '1'

and

month(tx.Dm_Date) = month(GetDate())

and

year(tx.Dm_Date) = year(GetDate())

group by u.fullname) as B

on

A.Fullname = B.Fullname

Left Outer Join

(

select

u.fullname

, sum(tx.Dm_Time) TwomosagoBillhours

, sum(tx.Dm_Time)/((select dm_billabledays from dm_billabledays where Dm_Month = Month(GetDate()))*8) twomosagobillingpercentage

from

Dm_TimeEntry tx

join

systemuserbase u

on

(tx.owninguser = u.systemuserid)

where

Month(tx.Dm_Date) = Month(getdate())-2

group by u.fullname

) as C

on

A.Fullname = C.Fullname

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create proc p_test
as
select a.col1,b.col2 from table a join table b on a.col3 = b.col3

When i script out the procedure script should be in the following way.

create proc [dbo].p_test
as
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Jan 2, 2007

Dear experts,If I have a number of related groups of data (e.g., stock prices fordifferent stocks) is it better to put them into many tables (e.g., onetable per stock) or into one big table (e.g., a single table where onecolumn is the stock id other columns are the price and other data)?The single table approach with a clustered primary key including thestock id and other information that is different for each stock seemscleaner to me. But I worry that having a single table could hurtpreformance when the database gets very large. The clustered primarykey should make queries on the single table fast, but I'm worried aboutinserts. According to my vague understanding of a clustered primarykey, records are physically stored on disk based on the primary key. Soif I insert a record for a given stock does the database have tophysicall "move down" all the records that are below that or does it dosomething smarter?To summarize:1. Should I use a single table or many tables?2. If using a single table, how are inserts handled by the DB toprevent inserts from getting slower and slower as more items are addedto the DB?Thanks in advance for your help and advice.

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Nov 20, 2007

Hi Guys

I have an application that runs on several sites that has a table with 36 columns mostly ints och small varchars.

I currently have only one table that stores the data and five indexes and since the table on one location (and others soon) has about 18 million rows I have been trying to come up with a better solution (but only if needed, I dont think I have to tell you that I am a programmer and not an dba).
The db file size with all the indexes is more then 10gb, in it self is not an problem but is it a bad solution to have it that way?

The questions are:

Are there any big benefits if i split it into several smaller tables or even smaler databases and make the SPs that gets the data aware that say 2006 years data is in table a and so on?
Its quite important that there are fast SELECTS and that need is far more important then to decrease the size of the database file and so on.

How many rows is okay to have in one table (with 25 columns) before its too big?

Thanks in advance.

Best regards
Johan, Sweden.

CREATE TABLE [dbo].[Cdr](
[Id] [int] IDENTITY(1,1) NOT NULL,
[Abandon] [varchar](7) NULL,
[Bcap] [varchar](2) NULL,
[BlId] [varchar](16) NULL,
[CallChg] [varchar](6) NULL,
[CallIdentifier] [uniqueidentifier] NULL,
[ChgInfo] [varchar](5) NULL,
[ClId] [varchar](16) NULL,
[CustNo] [smallint] NULL,
[Digits] [varchar](32) NULL,
[DigitType] [varchar](1) NULL,
[Dnis1] [varchar](6) NULL,
[Dnis2] [varchar](6) NULL,
[Duration] [int] NULL,
[FgDani] [varchar](13) NULL,
[HoundredHourDuration] [varchar](3) NULL,
[Name] [varchar](40) NULL,
[NameId] [int] NOT NULL,
[Npi] [varchar](2) NULL,
[OrigAuxId] [varchar](11) NULL,
[OrigId] [varchar](7) NULL,
[OrigMin] [varchar](16) NULL,
[Origten0] [varchar](3) NULL,
[RecNo] [int] NULL,
[RecType] [varchar](1) NOT NULL,
[Redir] [varchar](1) NULL,
[TerId] [varchar](7) NOT NULL,
[TermAuxId] [varchar](11) NULL,
[TermMin] [varchar](16) NULL,
[Termten0] [varchar](3) NULL,
[Timestamp] [datetime] NOT NULL,
[Ton] [varchar](1) NULL,
[Tta] [int] NULL,
[Twt] [int] NULL,
[DateValue] [int] NULL,
[TimeValue] [int] NULL,
[Level] [varchar](50) NOT NULL CONSTRAINT [DF_Cdr_Level] DEFAULT ('x:'),
CONSTRAINT [PK_Cdr] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 10) ON [PRIMARY]
) ON [PRIMARY]

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SalesPerson Table
1.SalesPersonID
lastyearsales

Employee Table
1.EmployeeID
2.ContactID

Contact Table
2.ContactID
FirstName
LastName

EmployeeAddress Table
1.EmployeeID
3.AddressID

Address
3.AddressID
City

And my answer:

Select: C1.firstname, C1.lastname, SP.lastyearsales, A.city
From: SalesPerson as SP join Employee as E1 on Sp.salespersonID = E1.EmployeeID
Right Join Employee as E2 on E1.EmployeeID=E2.EmployeeID join Address as A on E2.AddressID = A.AddressID
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May 20, 2008

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I have 3 tables
tblTest is the table that i need to take the informations from.

intD1 to intD4 is a score

I don't know if iexplain my sefl correctly tks in advance!
tblTest
1 , 2 , 'A', 'B', 0 , 1 ,2 , 4

i need this

tblResultat
1, 2, 'A','B'

tblResultatXReponse
1,1,0,0
2,1,1,1
3,1,2,2
4,1,4,3

tblTest
intTestId autonumber
intCoursId
strCodeAbsent1
strCodeAbsent2
intD1
intD2
intD3
intD4

tblResultat
intResultatsId autonumber
intCoursId
strCodeAbsent1
strCodeAbsent2

tblResultatXReponse
intResultatXReponseId autonumber
intResultatsId
intReponseDesc
intOrdre

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I want to

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[Customer_Bill_Customer_No],

[Sales_Header_Order_DateTime],

[Sales_Header_Your_Reference]

from

[NavisionReplication].[dbo].[Tbl_Sales_Header]

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Table MediaImportLog
column ↘ImportIndex     ImportFileTime            ImportSource
value    ↘80507             20060506001100          815
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Table BillerChain
column↘BillerInfoCode       ChainCode
value   ↘750                    815
value   ↘81162                  CRD
Table   Biller
column↘CompanyCode         BillerCode
value   ↘999                     750
value   ↘81162                  516
TAble DataBackup
column↘CompanyCode         Keepmonth
value   ↘999                     6
value   ↘81162                 12

---------------------------------------------------

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