SHIFT + SPACE In Table Editor
Feb 6, 2007
The default behaviour for pressing SHIFT + SPACE when editing text inside a cell in the Table Editor view in Microsoft SQL Server Management Studio Express is to change focus to select all cells comprising the current row. This behaviour lends itself to the default behaviour for pressing SHIFT + {LEFT | RIGHT | UP | DOWN } in changing the focus to select adjacent cells.
However, I find this is quite annoying as the SHIFT + SPACE combination is quite a common miss-type when entering text in UpperCaps or when entering text with spaces while holding the SHIFT key.
Anyone else have this gripe with MSSMSE? Anyone know how to disable this behaviour?
Simon
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Jun 21, 2004
Is anyone aware of a tool that will allow users to update the values of a sql table via a web page? What I am looking for is a tool that when given the name of a table will generate a web front end to allow editing of the table.
Thanks,
Todd
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Dec 2, 2006
Hello there,I am having a small problem which been challenging me for few days andneed help or advice.I am trying to calculate the day-shift for employees based on the timethey started and finish working, I will only have 2 shifts 1 or 2 .Shift one changes based on the location however any thing else is shift2. The problem I am having is when someone signed in after midnight; Ineed to report his time under shift 2 for the previous day date. So ifhe signs at 12:30 AM on 12-12-2006, I need to report that as shift 2 on12-11-2006 and that’s where my problem is. Is there a way to subtractthe date by 1. I am using SQL Server and here is a simplified tables Iam working with:Employee tableEmployeID LocationID StartTime EndTime123 555 11:00:00 AM 3:00:00 PM183 559 7:00:00 AM 11:00:00 AM…Shift tableShiftNumber LocationID StartTime EndTime1 555 7:00:00AM 2:00:00PM2 555 2:00:00PM 12:00:00AM1 559 6:00:00AM 4:00:00PM…..So I am trying something likeCASE WHEN (select ShiftNumber FROM Shift WHERE LocationID=TR.LocationIDAND(TR.StartTime>=StartTimeANDTR.EndTime<= EndTime)) =1 THEN 1ELSEWHEN (select ShiftNumber FROM Shift WHERE LocationID=TR.LocationIDAND(TR.StartTime>=StartTimeANDTR.EndTime<= EndTime)) =2 THEN 2ELSE?????????????? NEED HELP HERE WHEN EMPLOYEE SIGN AFTER MIDNIGHTEND)FROMEmployee TRINNER JOIN Shift ON LocationID = TR.LocationID*** Sent via Developersdex http://www.developersdex.com ***
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Apr 3, 2008
Hi,
Is there a way of uploading column definitions from the Flat File Connection Manager into a SQL Server table definition. Since I have over a dozen data sources to process each with around 200 columns and of course like many BI techies I have little immediate influence over the structure of these flat files. I just know that these data sources are business critical.
Judging by looking at similar threads I can't be the only one who would greatly benefit from being able to upload column definitions from the Flat File Connection Manager into a SQL Server table definition as opposed to doing this manually.
Thanks in advance,
Kieran.
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Dec 27, 2007
Hello,
I have a BIDS project with 14 reports, all formatted the same way. On one report, any text box or image that is placed in the center or right of center in the form, shifts very far to the right of the tables and charts when it's rendered.
The text box placed at the top left of the form stays put. This is really wierd.
Has anyone ever heard of anything like this.
I have a couple of screen shots if you have a place I can put them.
Thanks
Dan
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Feb 11, 2008
Here is my current challenge that I realize I could do a few different ways but nothing efficient or flexible comes to mind. Hoping one of you guys can help me out with an elequent efficient T-SQL script.
Employee workstate information in our system is stored by segment. Segment 1 cooresponds to the entire shift while segments greater than 1 coorespond to subsequent breaks during the shift (Segment 1). i.e.
SegmentNumber SegmentStart SegmentEnd
1 10:00am 06:00pm
2 12:00pm 13:00pm
3 03:15pm 04:00pm
What I would like to do is generate continuous nonoverlapping records. i.e.
SegmentNumber SegmentStart SegmentEnd
1 10:00am 12:00pm
2 12:00pm 13:00pm
3 13:00pm 03:15pm
4 03:15pm 04:00pm
5 04:00pm 06:00pm
*Notice End has changed to match start of first break and so on. Also records have been added to fill gaps between breaks during the shift.
What adds to the challenge is that the segment number for a given employee/report day can be 1 (meaning no breaks) to any number (lots of breaks). The segment start and end times can be any increment. In addition Breaks can be divided into paid time and unpaid time but I imagine given a solution to the above I could apply it to another level down on my own.
Thank you in advance for your help!
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Apr 10, 2006
for the record, this is my first post and i'm not sure this is the right place to post, but it makes sence to me.
i've been spending a great deal of time with our new MS SQL server and love it but i've noticed there's a fairly large diff between the SQL i'm used to seeing in MS Access and the SQL that the server uses. as you can see by my below statement i'm starting to get the hang of this but i still run into new issues...
my question... what's wrong with my IIf statements? this is what the server spits out...
Msg 156, Level 15, State 1, Line 4
Incorrect syntax near the keyword 'LIKE'.
[ACCPAC_OESHDT].[TERRITORY] is an nvarchar(6) and contains data such as '1', '2', '3', etc...
i've tried many many variants and always have the same outcom. i've tried casting as an int, rtrim to rid the value of any possible white space, expanded versions.
oh, almost forgot... my environment is... I open the SQL Management Studio then logon to SQL Database Engine and then create a New Query.
i'm stuck, please advise. ;-)
SELECT
ACCPAC_OESHDT.YR,
ACCPAC_OESHDT.PERIOD,
IIf([ACCPAC_OESHDT].[TERRITORY] LIKE '[1-4]','Group A',
IIf([ACCPAC_OESHDT].[TERRITORY] LIKE '[5-7]','Group B',
IIf([ACCPAC_OESHDT].[TERRITORY] LIKE '[89]','Group C','_Unknown Territory'))) AS TERRITORY,
SUM(CAST([SAMTSALES] AS MONEY)) AS Sales
FROM ACCPAC_OESHDT
GROUP BY
ACCPAC_OESHDT.YR,
ACCPAC_OESHDT.PERIOD,
IIf([ACCPAC_OESHDT].[TERRITORY] LIKE '[1-4]','Group A',
IIf([ACCPAC_OESHDT].[TERRITORY] LIKE '[5-7]','Group B',
IIf([ACCPAC_OESHDT].[TERRITORY] LIKE '[89]','Group C','_Unknown Territory')))
HAVING ((SUM(CAST([SAMTSALES] AS MONEY)))>0);
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May 17, 2015
I have the following shift table:
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
[code]...
I need to identify which shift is currently running on by providing the current time.I used the following query to get the result. It is giving correct result for Morning & Afternoon Shift but failed to produce result for Night Shift.
SELECT ShiftName, Shiftid
FROM WHShifts
WHERE DATEPART(HOUR, @Currenttime)>=(DATEPART(HOUR,CAST(ShiftInTime AS Datetime))) AND DATEPART(HOUR, @Currenttime)<=(DATEPART(HOUR,CAST(ShiftOutTime AS Datetime)))
Is there any way to find out the night shift from a given time.
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Jul 13, 2015
We are maintaining 3 Shifts in our database. Problem in maintaining date and time for 3rd Shift. For example, today date is 13th July and third shift timing is 11 PM - 7 AM. Then I have to display the beginning date as 13/07/2015 11 PM and end date as 14/07/2015 7 AM. Please find the data(in seconds) available in database which I need to use for my calculation.
Date(Fcreacion)
Start time in Seconds(Hcreacion)
End time in seconds(Hcerrar)
turno(Shift)
[code]...
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Nov 9, 2015
I am doing some analysis on shifts and what I want to do is say if the time from a timestamp field is between 00:00 and 05:59 then the figures belong to the day before. Eg. We have a night shift that work 22:00 - 06:00.
Here is my coding which logically looks sound to me but when I run it, it has an error:
SELECTe.ID,
CAST(e.TimestampasDate)asEventDate,
CAST(e.TimestampasTime)asEventTime,
CASE
WHENCAST(e.TimestampasTime)BETWEEN'00:00:01'and'05:59:59'
THENCAST(e.TimestampasDate)-1
ELSECAST(e.TimestampasDate)
END
FROMIntouch.Event
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Apr 27, 2006
My application has a log table with a timestamp field which represents the time when the record was inserted.
We would like query the the table and group the results into date units based on the value of the timestamp.
The grouping specification is held in another table but only specified for a single week.
For example
WeekDay Start End
1 06:00:00 14:00:00
2 08:10:00 17:00:00
What this specification means is that when the log table is queried records with a timestamp that fall on a Monday between 06:00:00 and 14:00:00 should be grouped together, on Tuesday the group is records between 08:10:00 and 17:00:00 and so on...
The only way I can think of doing this is to generate a temporary table when the log table is queried that has a unique record for each time period for the span of the query and then attempt to join this table to the log table using the timestamp and then group based on the temporary table unique ID.
I'm not sure how to generate such a temporary table from the specification table so any help would be appreciated.
Thanks in advance.
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Nov 22, 2006
We are experiencing problems in presenting Unicode data stored in MSSQL as Shift-jis format in ASP application.
In MSSQL we are storing kanji text in database with a field type as nchar. Other application loads these tables using codepage 932. In MSSQL data is stored in Kanji correctly.
In ASP application, when we are trying to read data from these tables, Kanji characters are coming as '?????'. We are using shift-jis character set in ASP.
Templates for field and column header uses shift-jis, but a record set coming from MSSql is Unicode.
Is there a way to convert from Unicode to Shift-jis in MSSql or in ASP .
Please help!!
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Jul 20, 2005
I have a database that has grown larger than I had expected. I thinkthere is one table that is at the root of the problem. The table isdefined as follows:CREATE TABLE [dbo].[UserAudit] ([UserAudit_id] [int] IDENTITY (1, 1) NOT NULL ,[UserAuditAction_id] [int] NOT NULL ,[Dataset_id] [int] NOT NULL ,[UserName] [char] (64) NOT NULL ,[TableName] [char] (64) NOT NULL ,[Detail] [varchar] (4000) NOT NULL ,[DateRecorded] [smalldatetime] NOT NULL ,[Dsc] [char] (256) NULL)There are 14919 records in this table. When I do the calculations iapproximate that space used by this table should be in the region of10mb (4+4+4+64+64+290(average length of Detail column)+4+256) * 14919.When I execute "sp_spaceused 'UserAudit'" i see that 119MB are beingused by this table.name rows reserved data index_size unusedUserAudit 14919 119808 KB 119352 KB 400 KB 56 KBEven if I use 4000 for the Detail column in my calculations I stillcome up with about only 64mb.Any ideas on whats going on here?Thanks in advance.
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Nov 16, 2007
I currently have 8,000 rows in the orders table and it is estimated that it will have in average 50 orders daily. The orders need to be kept for 6 months, before it is archived and deleted from the database. I calculated the amount of space that needs to be reserved for the table but unsure if I am on the right track in calculating the table size.
would there be anything wrong in my calcultation that i missed?
int
datetime
tinyint
nvarchar(15)
int
int
int
int
money
money
money
money
datetime
4
4
2
15
4
4
4
4
4
4
4
4
4
4
= 65 bytes
+ rowoverhead = 7
total = 72
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Jul 23, 2005
I have a table name in SQL Server 2000 that has a space in itex: aim internationalI had trouble just in the query analyzer with this..I had to place thename in brackets [] for it to work. But now I'm in Visual Studio .Net2003 and it gives me another problem. I get the table name from a dropdown list selection and send it to a query string. But is gives me thiserror:***************Line 1: Incorrect syntax near 'AIM international'.Exception Details: System.Data.SqlClient.SqlException: Line 1:Incorrect syntax near 'AIM international'.******************Here is the string:****************Dim sqlStr As String = "SELECT DISTINCT Last_Name FROM '" & PubName &"' WHERE PostalCode ='" & postalcode & "' And Title='" & title & "'ORDER BY Last_Name "**********************And the variable PubName is the string AIM international .I tried placing it in brackets like in the query analyzer :****************Dim sqlStr As String = "SELECT DISTINCT Last_Name FROM ['" & PubName &"'] WHERE PostalCode ='" & postalcode & "' And Title='" & title & "'ORDER BY Last_Name "*******************and I get this:*******************Invalid object name ''AIIM international''.Exception Details: System.Data.SqlClient.SqlException: Invalid objectname ''AIIM international''.*******************Any idea what I have to do for it to work ??? Can I use table nameswith spaces or it's just not a good idea???Thanks for the help guys!!JMT
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Jul 8, 2002
I'm trying to determine how much space some tables use (SQL2000), and I found 2 suggestions posted earlier, but can't get them to work for me.
The first was
"Right click on the DB in Enterprise Manager, select view then taskpad."
When I try that, I get some of the tables displayed with the info I want, but I can't see them all and can't scroll down beyond the first 22 tables in the database.
The second suggestion:
exec sp_msforeachtable @command1="print '?'",@command2="sp_spaceused '?'"
It says "command copleted successfully, but where does the output to this go ?? Is there something other than "print" I should use ?
The grid pane is empty.
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Jul 1, 2004
Hey all, first time poster here.
Cheers!
Enterprise Edition SQL2k sp3a on Win2k3 Enterprise Edition server.
Using BCP to load ~4 million records.
Largest record width is ~350 bytes.
When finished i have over 6 million pages reserved and only about 800 thousand actually used.
Which puts me 'round about 3 rows per page and WAY too much empty space.
YIKES!
Any thoughts as to why this is happening?
Or insight into how BCP handles page allocations that may be different than the typical extent based page allocations for table data?
Thanks!
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Dec 4, 2007
I have a stored proc that processes large amounts of data. I have used temp tables in this stored proc. After I drop these temp tables, it doesn't release the disc space and my hard drive runs out of space before the process ends. When I stop the sql service and restarts it, it releases the disc space. How can I force the release of disc space inside of my stored procedure?
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Mar 13, 2008
I'm trying to figure out how to reclaim unused space in a huge table (tbl) after setting one of the text columns to be the empty string. Other tables have foreign key columns associated with tbl.
After doing something like this,
update tbl set col = ''
the table doesn't automatically reclaim that space. If I do a direct insert into a new table like this,
insert into tbl2 (cola, colb, colc) select * from tbl
the new table is smaller as expected (about half the size in my case). Any ideas?
Rob
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Jul 21, 2015
Using lot intermediate table in SP, at end of the SP, those table are getting truncating.but those pages are still unallocated and unused , How to unallocated the space and add to OS drive.
Because of above scenario, we are wasting lot of space. i am seeing lot of unallocated space.
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Nov 14, 2007
Hi,
I am trying to do this:
UPDATE Users SET uniqueurl = replaceAllEmptySpacesInUniqueURL('uniqueurl')
What would be the syntax.
Any help appreciated.
Thanks
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Feb 23, 2007
I am generating a Report from Sql Data Source in Sql Server 2005 and viewing the Report in Report viewer control of Visual Studio 2005.
The data in the Data Source contains string with multiple spaces (for example €œ Test String €œ) but when they get rendered in Report viewer control, multiple spaces gets converted to single space €? Test String €œ.
I tried following solutions
1) Replacing spaces with €œ €?
2) Inserting <pre> tag before the string and </pre> tag after the string (Also tried <Pre> instead of <pre>)
But in all the cases result is same. The Report Viewer control is showing €œ €? instead of space and €œ<Pre>€? tag instead of preserving spaces.
Please provide me a solution so that spaces can be preserved in Report Viewer.
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Nov 26, 2015
I am using the below script to get space alerts  and now i am interested in sending alerts  if for any drive space available is Less than 10% or 15%.. how to convert beelow code to find in %Â
Declare @Drives Varchar(20)
DECLARE @Spaces Varchar(50)
DECLARE @availableSpace FLOAT
DECLARE @alertMessage Varchar(4000)
DECLARE @RecipientsList  VARCHAR(4000);
CREATE TABLE #tbldiskSpace
[Code] ....
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Jan 31, 2007
My client's website database is hosted by a third party. I need to alter one of the column definitions for the largest table in the database. Unfortunately, the transaction log fills up if I try to alter the table. I've done all the usual stuff like truncating the log, etc., but the simple fact is that the operation requires more log space than we have available. Therefore, we need to purchase additional disk space for the database.
What I'm looking for is a way to roughly estimate how much log space will be required to alter this table so that we purchase enough but not too much additional space. The table has an identity primary key and 4 other single column indexes: one int, one datetime and two varchar(30) columns.
Any suggestions? Thanks in advance.
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May 12, 2007
In our SQL Server database we will have a table that will be populated with about 2000 recordsper day. That is 2000 records per day for 5 days per week. Currently the computer we are using has about 50 gigabytesof available hard drive space on it. We are concerned that maybe we will need a bigger hard drive,based solely on the number of records entered into this table per day. The problem is I don'tknow how to calculate how much hard drive space we need. I think I read that using varchar,sql server 2005 really optimizes a database. Here is a typical example of data in ourdatabase. I put dots on three lines between the first and last sample record to justillustrate that there are many records in between.
Basically we only need 8 months of data at a time in the table and then we can purgerecords older than 8 months.Can someone help me approximate how much hard drive space I might need for 8 months of data,given the following sample record in the database?
Sample: -->34.5 4.08 10.6 .0012
Sample Table in my DB just for illustration:
(PPsquare inch) (Diameter) (Weight gm) (coeffOfSatFriction)
34.5 4.08 10.6 .0012...21.7 3.54 6.22 .019
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Mar 22, 2000
The sp_spaceused proc seems to have been removed in 7.0?
Dbcc sqlperf also seems to have been removed?
Surely there must be a counterpart - which is?
I like to have a script which shows the space usage
especially on a table basis for a periodic report.
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Sep 22, 2005
Hey guys,
I have a table which has 6 text columns (tblA).. I no longer require 1 of those text columns and want to reclaim the space that it is currently taking up..
Is the only way to BCP out all the data (except the 1 column i no longer require) drop the column and BCP the data back into the table?
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Apr 12, 2008
I hv dropped the useless columns for a table but the table size is remain unchanged by executing sp_spaceused. pls advise how to release table spaces.
thx
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Sep 15, 2014
currently stuck with an issue where I need to reclaim the unused table space in SQL server.
ISSUE: Due to database size issue we have moved all the images from database to filesystem and want to reclaim the unused space now....I have tried shrinking the database and rebuild the indexes but didn't see any difference in the table or database size.
Similarly I have identified many Non clustered indexes on big transactional tables(~ 4 million records) that where not used since GO live 1 year back, so I wanted to drop these indexes to cut down the performance and maintenance overhead , so my question is will dropping these indexes reduces the database size?
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Dec 30, 2014
best method to my issue regarding unused space. SQL SERVER 2014 BI EDITTION..I have a table that showed 62% Data, 7% unallocated, and 29% unused space.I ran the ALTER TABLE <table name> REBUILD, which changed it to 32% data and 67% unused.What I do with this table monthly and what I believe is causing this unused space issue is this:Every 1st of the month I get a csv file that holds around 3.2 million rows/15 columns of data. About 3 gbs every time.It's 13 months of data. I remove the last 12 months from the current table and import the new 13 month data.I do this twice a month and have no choice because the data is constantly updated and why we get it twice a month.So I am deleting around 6 gbs of data a month as well as adding around 6 gbs of data a month.
I believe this is why I end up with so much unused space, but just found the REBUILD command, which worked but now a small hit on performance and have too much space in the current table. I have read several times that shrinking the file is no good, but what other way to get rid of the extra space in this table? Also, the table doesn't have any indexes or primary key because of duplicates.
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Feb 14, 2006
Edit 2007-8-9:
Added code to show database file sizes. Not really closely related to tables sizes, but a lot of the people who need this want to know why their database it so large, so it may help to know which files, especially the logs, are so large, and if the files have empty space in them.
-- Script to analyze table space usage using the
-- output from the sp_spaceused stored procedure
-- Works with SQL 7.0, 2000, and 2005
set nocount on
print 'Show Size, Space Used, Unused Space, Type, and Name of all database files'
select
[FileSizeMB]=
convert(numeric(10,2),sum(round(a.size/128.,2))),
[UsedSpaceMB]=
convert(numeric(10,2),sum(round(fileproperty( a.name,'SpaceUsed')/128.,2))) ,
[UnusedSpaceMB]=
convert(numeric(10,2),sum(round((a.size-fileproperty( a.name,'SpaceUsed'))/128.,2))) ,
[Type] =
case when a.groupid is null then '' when a.groupid = 0 then 'Log' else 'Data' end,
[DBFileName]= isnull(a.name,'*** Total for all files ***')
from
sysfiles a
group by
groupid,
a.name
with rollup
having
a.groupid is null or
a.name is not null
order by
case when a.groupid is null then 99 when a.groupid = 0 then 0 else 1 end,
a.groupid,
case when a.name is null then 99 else 0 end,
a.name
create table #TABLE_SPACE_WORK
(
TABLE_NAME sysnamenot null ,
TABLE_ROWS numeric(18,0)not null ,
RESERVED varchar(50) not null ,
DATA varchar(50) not null ,
INDEX_SIZE varchar(50) not null ,
UNUSED varchar(50) not null ,
)
create table #TABLE_SPACE_USED
(
Seqintnot null
identity(1,1)primary key clustered,
TABLE_NAME sysnamenot null ,
TABLE_ROWS numeric(18,0)not null ,
RESERVED varchar(50) not null ,
DATA varchar(50) not null ,
INDEX_SIZE varchar(50) not null ,
UNUSED varchar(50) not null ,
)
create table #TABLE_SPACE
(
Seqintnot null
identity(1,1)primary key clustered,
TABLE_NAME SYSNAME not null ,
TABLE_ROWS int not null ,
RESERVED int not null ,
DATA int not null ,
INDEX_SIZE int not null ,
UNUSED int not null ,
USED_MBnumeric(18,4)not null,
USED_GBnumeric(18,4)not null,
AVERAGE_BYTES_PER_ROWnumeric(18,5)null,
AVERAGE_DATA_BYTES_PER_ROWnumeric(18,5)null,
AVERAGE_INDEX_BYTES_PER_ROWnumeric(18,5)null,
AVERAGE_UNUSED_BYTES_PER_ROWnumeric(18,5)null,
)
declare @fetch_status int
declare @proc varchar(200)
select@proc= rtrim(db_name())+'.dbo.sp_spaceused'
declare Cur_Cursor cursor local
for
select
TABLE_NAME=
rtrim(TABLE_SCHEMA)+'.'+rtrim(TABLE_NAME)
from
INFORMATION_SCHEMA.TABLES
where
TABLE_TYPE= 'BASE TABLE'
order by
1
open Cur_Cursor
declare @TABLE_NAME varchar(200)
select @fetch_status = 0
while @fetch_status = 0
begin
fetch next from Cur_Cursor
into
@TABLE_NAME
select @fetch_status = @@fetch_status
if @fetch_status <> 0
begin
continue
end
truncate table #TABLE_SPACE_WORK
insert into #TABLE_SPACE_WORK
(
TABLE_NAME,
TABLE_ROWS,
RESERVED,
DATA,
INDEX_SIZE,
UNUSED
)
exec @proc @objname =
@TABLE_NAME ,@updateusage = 'true'
-- Needed to work with SQL 7
update #TABLE_SPACE_WORK
set
TABLE_NAME = @TABLE_NAME
insert into #TABLE_SPACE_USED
(
TABLE_NAME,
TABLE_ROWS,
RESERVED,
DATA,
INDEX_SIZE,
UNUSED
)
select
TABLE_NAME,
TABLE_ROWS,
RESERVED,
DATA,
INDEX_SIZE,
UNUSED
from
#TABLE_SPACE_WORK
end --While end
close Cur_Cursor
deallocate Cur_Cursor
insert into #TABLE_SPACE
(
TABLE_NAME,
TABLE_ROWS,
RESERVED,
DATA,
INDEX_SIZE,
UNUSED,
USED_MB,
USED_GB,
AVERAGE_BYTES_PER_ROW,
AVERAGE_DATA_BYTES_PER_ROW,
AVERAGE_INDEX_BYTES_PER_ROW,
AVERAGE_UNUSED_BYTES_PER_ROW
)
select
TABLE_NAME,
TABLE_ROWS,
RESERVED,
DATA,
INDEX_SIZE,
UNUSED,
USED_MB=
round(convert(numeric(25,10),RESERVED)/
convert(numeric(25,10),1024),4),
USED_GB=
round(convert(numeric(25,10),RESERVED)/
convert(numeric(25,10),1024*1024),4),
AVERAGE_BYTES_PER_ROW=
case
when TABLE_ROWS <> 0
then round(
(1024.000000*convert(numeric(25,10),RESERVED))/
convert(numeric(25,10),TABLE_ROWS),5)
else null
end,
AVERAGE_DATA_BYTES_PER_ROW=
case
when TABLE_ROWS <> 0
then round(
(1024.000000*convert(numeric(25,10),DATA))/
convert(numeric(25,10),TABLE_ROWS),5)
else null
end,
AVERAGE_INDEX_BYTES_PER_ROW=
case
when TABLE_ROWS <> 0
then round(
(1024.000000*convert(numeric(25,10),INDEX_SIZE))/
convert(numeric(25,10),TABLE_ROWS),5)
else null
end,
AVERAGE_UNUSED_BYTES_PER_ROW=
case
when TABLE_ROWS <> 0
then round(
(1024.000000*convert(numeric(25,10),UNUSED))/
convert(numeric(25,10),TABLE_ROWS),5)
else null
end
from
(
select
TABLE_NAME,
TABLE_ROWS,
RESERVED=
convert(int,rtrim(replace(RESERVED,'KB',''))),
DATA=
convert(int,rtrim(replace(DATA,'KB',''))),
INDEX_SIZE=
convert(int,rtrim(replace(INDEX_SIZE,'KB',''))),
UNUSED=
convert(int,rtrim(replace(UNUSED,'KB','')))
from
#TABLE_SPACE_USED aa
) a
order by
TABLE_NAME
print 'Show results in descending order by size in MB'
select * from #TABLE_SPACE order by USED_MB desc
go
drop table #TABLE_SPACE_WORK
drop table #TABLE_SPACE_USED
drop table #TABLE_SPACE
CODO ERGO SUM
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Jul 24, 2015
As I understood, if SPARSE is used on a column, which have many NULL marks, then the storage could be efficently used (we need less spaces to save NULL marks, hence a table which has many NULL marks with SPARSE property needs less storage than the same table, but without SPARSE. I created two table as follow:
/******* Table with Sparse ******/CREATE TABLE Sprstb(
unsprsid INT IDENTITY(1,1) NOT NULL,
Firstname varchar(20) NOT NULL,
Lastname varchar(20) NOT NULL,
Tel int NOT NULL,
adress nvarchar(60) SPARSE NULL)/***** Table without Sparse*******/CREATE TABLE Unsprstb(unsprsid INT IDENTITY(1,1) NOT NULL,Firstname varchar(20) NOT NULL,
Lastname varchar(20) NOT NULL,
Tel int NOT NULL,
address nvarchar(60) NULL)
I have populated the Sprstb with 5 Milion records. It needs 509,961 MB storage. Then I have copied this table into Unsprstb
SET IDENTITY_INSERT [dbo].[Unsprstb] ON
Insert [dbo].[Unsprstb](unsprsid,Firstname,Lastname,Tel,adress)
SELECT unsprsid,Firstname,Lastname,Tel, adress FROM [dbo].[Sprstb]
SET IDENTITY_INSERT [dbo].[Unsprstb] OFF
The Unssprstb need only  466,031MB !
That means the Table with SPARSE column need more storage, Why?Â
By the way, in table Sprstb column address has  1666198  Null mark (from 5000000)
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Mar 2, 2005
Hi.. I was doing a good maintenance on my DB and my trans log LDF keep growing until 30GB but my DB data file MDF is only 2GB. I found the two following method to reduce my log size.
Method 1: I used veritas to backup log file with truncate
Method 2: I used the shrink database option in Enterprises manager to shrink it (file chosen=log , use default option)
After doing that, I found my LDF log file is still about the same size=27GB but when I see clearly, from the shrink database windows, the log spaced used reduced to only 100MB, the allocation log space is still 27GB. Why? How to make the LDF smaller to be the around the same size as the space used 100MB?
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