SQL Server 2012 :: Find Out If Whole Column Of Data In A Table Is Empty?
Dec 2, 2013
I have created some dynamic sql to check a temporary table that is created on the fly for any columns that do contain data. If they do the column name is added to a dynamic sql, if not they are excluded. This looks like:
If (select sum(Case when [Sat] is null then 0 else 1 end) from #TABLE) >= 1 begin set @OIL_BULK = @OIL_BULK + '[Sat]' +',' END
However, I am currently running this on over 230 columns and large tables 1.3 mil rows and it is quite slow. How I can dynamically create a sql script that only selects the columns in the table where there is data in a speedier manner. Unfortunately it has to be on the fly because the temporary table is created on the fly.
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Jul 16, 2014
Can't seem to make this SQL query work!
Given one table, Table1, with columns Key1 (int), Key2 (int), and Type (varchar)...
I would like to get the rows where Type is equal to 'TypeA' and Key2 is Null that do NOT have a corresponding row in the table where Type is equal to 'TypeB' and Key2 is equal to Key1 from another row
So, given the data
**KEY1** **Key2** **Type**
1 NULL TypeA
2 5 TypeA
3 1 TypeB
4 NULL TypeA
5 NULL TypeB
I would like to return only the row where Key1 = 4 because that row meets the criteria of Type='TypeA'/Key2=NULL and does not have a corresponding row with Type='TypeB'/Key1=Key2 from another row.
I have tried this and it doesn't work...
SELECT t1.Key1, t1.Key2, t1.Type
FROM Table1 t1
WHERE t1.Key2 IS NULL
AND t1.Type LIKE 'TypeA'
AND t1.Key1 NOT IN
(SELECT Key1
FROM Table1 t2
WHERE t1.Key1 = t2.Key2
AND t1.Key1 <> t2.Key1
AND t2.Type LIKE 'TypeB')
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Feb 4, 2015
Is there any possibility to trace, most used column in every table on the SQL server?
The intention is, a query which suggests some columns to be indexed; Based on the usage of the column by the queries that run on server.
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Nov 11, 2014
I have 2 tables in my database.
one is Race table and 2nd one is Age Range.
I want to write a query where I can see all races and age range as column.
TblRace
ID, RaceName
TblAgeRange
ID,AgeRange.
There is no connection between this two table. I need to display result like below.
Race 17-20 21-30 31-40
A
B
I
W
How do i get this kind of empty data set so that I can fill it out in front end or any better solution. The age range will be displayed as many row as they have. It's not static. Above is just an example.
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Jan 13, 2015
Need to change the datatype of existing column which has huge data.
I'm performing below steps
1. Create new column with correct datatype in the same table
2. copy data into new column
3. drop indexes on column
4. <<<>>>
now the existing column also has many SP dependent and I do not wish to drop them.
5. rename existing column to xxx
6. rename new column to correct column
7. drop old column
8. make required indexes
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Jul 8, 2015
I have a table with column "Data" as VARCHAR, with entries like below.
1
11
2
A1
A10
A11
246
AB1
AB10
100
256
B1
B2
124
20
B21
B31
32
68
I want to select the data by converting varchar to int for numeric values and for alphanumeric it should display as it is.
SELECT CAST(dataAS INT) FROM record_tab
getting below error
Conversion failed when converting the varchar value 'A1'
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Oct 1, 2015
I understand that we shouldn't shrink data files as it might cause heavy fragmentation along with log usage, high IO/CPU etc.
In a DB in which lot of DML transaction occur, there will be empty spaces whenever deletions occur.
Will SQL Server fill that part with data when new insertions occur ?.
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Jun 14, 2007
I need to find a table and column name from some given data. I know what data i want to edit, I just need to know where it is located and the database is too big to manually go through. It is Microsoft sql server 2000. Any help is appreciated.
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Mar 20, 2014
Create Table Sample (ID int not null primary key, RefID int , SeqNo int , Name varchar(10) )
insert into Sample
select 1, 1000, 1, 'Mike'
union
select 2, 1000, 2, 'Mikey'
union
select 3, 1000, 3, 'Michel'
union
select 4, 1001, 1, 'Carmel'
union
[code]....
select * from SampleI have here sample data given. What I want to do is, I want to check the RefID which is not having proper order of sequence number. If you see the RefID 1000, 1001 they are having properly sequence order in SeqNo field. But it is not in RefID 1002. RefID 1002 does not have proper order. It is because user has deleted a row which was having seqno 2. So i want to get what are all the RefID's are not having properly sequenced. So that I would be able to know these are all the RefID's are affected by delete statement that was done by user.
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Sep 11, 2015
how to find the columns names in a table in sql 2008r2.
as i need to compare the midsing fields in the table from two database.
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Apr 29, 2014
I have table 'stores' that has 3 columns (storeid, article, doc), I have a second table 'allstores' that has 3 columns(storeid(always 'ALL'), article, doc). The stores table's storeid column will have a stores id, then will have multiple articles, and docs. The 'allstores' table will have 'all' in the store for every article and doc combination. This table is like the master lookup table for all possible article and doc combinations. The 'stores' table will have the actual article and doc per storeid.
What I am wanting to pull is all article, doc combinations that exist in the 'allstores' table, but do not exist in the 'stores' table, per storeid. So if the article/doc combination exists in the 'allstores' table and in the 'stores' table for storeid of 50 does not use that combination, but store 51 does, I want the output of storeid 50, and what combination does not exist for that storeid. I will try this example:
'allstores' 'Stores'
storeid doc article storeid doc article
ALL 0010 001 101 0010 001
ALL 0010 002 101 0010 002
ALL 0011 001 102 0011 002
ALL 0011 002
So I want the query to pull the one from 'allstores' that does not exist in 'stores' which in this case would the 3rd record "ALL 0011 001".
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May 29, 2015
I have a SQL text column from SP_who2 in table #SqlStatement:
like 1row shown below :
"update Panel set PanelValue=7286 where PanelFirmwareID=4 and PanelSettingID=9004000"
I want to find what table and column names are in the text ..
I tried like below ..
Select B.Statement from #sp_who2 A
LEFT JOIN #SqlStatement B ON A.spid = B.spid
where B.Statement IN (
SELECT T.name, C.name FROM sys.tables T
JOIN sys.columns C
ON T.object_id=C.object_id
WHERE T.type='U'
)
Something like this : find the column names and tables name
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Jan 19, 2014
I have created a table but i forget in which database. I know the table name but i dont know the database name..
I have to filter my table from all database ... how can i do and find....
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Nov 7, 2014
I have the following Games table:
CREATE TABLE [dbo].[Games](
[ID] [int] IDENTITY(1,1) NOT NULL,
[Lge] [nvarchar](255) NULL,
[GameDate] [date] NULL,
[HomeTeam] [nvarchar](255) NULL,
[Home_Score] [float] NULL,
[AwayTeam] [nvarchar](255) NULL,
[Away_Score] [float] NULL)
with the following data:
INSERT INTO [dbo].[Games2]
([Lge]
,[GameDate]
,[HomeTeam]
,[Home_Score]
,[AwayTeam]
[Code] ....
This gives the standings as:
Team B4 - 1 -
Team C1 - 1 1.5
Team A2 - 5 3
How can I query the data to find the "games behind" at any date?
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May 26, 2014
I got a sales cost and cost amount table for my budget. the sales cost table is getting updated with FOBB items which makes the total incorrect . the FOBB values needs to be moved from the sales cost column to the cost amount column. how can i do it with an SQL script.
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May 13, 2015
I created a CTE which finds a subset of records from a table
I then ran a SELECT statement against the same table as
SELECT * FROM TABLE
EXCEPT (SELECT * FROM CTE)
Is it possible to add another EXCEPT statement after the CTE EXCEPT statement to cover a condition not incorporated in the CTE definition?
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Sep 18, 2014
A column of a table has values in the format - 35106;#Grandbouche-Cropp, Amy.
I need to format the column data in such a way that only the text after # (Grandbouche-Cropp, Amy) remain in the column.
The text before ;# (35106) should be inserted in to another column of the same table.
Below is the table structure:
create table [HR_DEV_DM].[CFQ_TEST].sp_CFQ_Commercial_Referrals
(
ID int identity,
PromotionalCode nvarchar(4000),
QuoteNumber nvarchar(100),
CreatedBy nvarchar(100),
Created datetime,
ModifiedBy nvarchar(100),
Modified datetime,
CreatedBy_SalesRepSharePointID int,
ModifiedBy_ModBySharePointID int
)
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Nov 2, 2015
I am having a main table and temptable.
Every sunday, new data will be loaded from temptable to main table. I have to make sure that, duplicates does not get loaded from temptable to maintable.
For example, if last sunday a record gets loaded from temp to main. If this sunday also the same record is present then it means that is a duplicate.
The duplicate is decided on below scenario
select 'CodeChanges: ', count(*) from CodeChanges a, CodeChanges_Temp b
where a.AccountNumber = b.AccountNumber and
a.HexaNumber = b.HexaNumber and
a.HexaEffDate = b.HexaEffDate and
a.HexaId = b.HexaId and
[Code] ...
Yesterday (Sunday) , data from temp got loaded onto maintable but with duplicates.
There is a log which just displays number of duplicates.
Yesterday the log displayed 8 duplicates found. I need to find out the 8 duplicates which got loaded yesterday and delete it off from main table.
There is a column in both tables which is 'creation date and time'. Every Sunday when the load happens this column will have that day's date .
Now i need to find out what are all the duplicates which got loaded on this sunday.
The total rows in temp table is : 363
No of duplicates present is : 8
I used below query to find out the duplicates but it is returning all the 363 rows from the maintable instead of the 8 duplicates.
Select 'CodeChanges: ', * from CodeChanges a where
exists
( Select 1 from CodeChanges_Temp b where
a.HexaNumber = b.HexaNumber and
a.HexaEffDate = b.HexaEffDate and
[Code] ...
Need finding the duplicate records which has creation date time as '2015-11-01 00:00:00.000' and all the above columns mentioned in the query matches.
Example
Few colums only metioned below
creationdateandtime HexaNumber HexaCode
1. 1987-10-01 00:00:00.000 5 3
2. 2015-11-01 00:00:00.000 5 3
So here the second record is duplicate. This is what I am trying to find.
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Jan 21, 2015
Got following query:
SELECT
event_data.value('(event/data/value)[4]', 'bigint') AS cpu_time,
--database name
event_data.value('(event/data/value)[5]', 'bigint') AS duration,
--estimated cost
--estimated rows
--nest level
[code]...
Basically, is a simple T-SQL query that reads the local file for my already setup extended event sessions. But I can't find the way to retrieve the following attributes as part as the T-SQL query:
--database name
--estimated cost
--estimated rows
--nest level
--object name
I am trying to find a BOL or some MS link with the full list of possible values for event_data.value but can't find one.
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Nov 5, 2015
I Can't find the Data Flow Task in SSDT 2012.
Has it been replaced by another task or do I need to do something to make it visible?
Edit: It popped up under my favorite tasks.
[URL]
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Jul 1, 2004
Hi,
I need to list out all the stored proc for all the DB in entire server.
My inpute parameter will be table name and column1/column2/column3...etc.
Please give me your input for my request.
Thank,
Ravi
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Oct 6, 2014
I am trying to use a stored procedure to update a column in a sql table using the value from a variable table I getting errors because my syntax is not correct. I think table aliases are not allowed in UPDATE statements.
This is my statement:
UPDATE [dbo].[sessions_teams] stc
SET stc.[Talks] = fmt.found_talks_type
FROM @Find_Missing_Talks fmt
WHERE stc.sessionid IN (SELECT sessionid FROM @Find_Missing_Talks)
AND stc.coupleid IN (SELECT coupleid FROM @Find_Missing_Talks)
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Jan 8, 2007
Damn! SQLServer2000 can't add a NOT NULL COLUMN even in one emptyexisting table!That is, A is the existing table and it is emtpy, I want to add one NOTNULL COLUMN (col_new) to A using following T-SQL statement, then itwill fail.ALTER TABLE A ADDcol_new varchar(600) NOT NULLGOYou should change it to these statements in SQLServer2000:ALTER TABLE A ADDcol_new varchar(600) NULLALTER TABLE A ALTER COLUMN col_new varchar(600) NOT NULLGOah, ridiculous! right?Fortunately, this stupid behavior is changed in SQLServer2005. Thefirst T-SQL statements works.
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Dec 12, 2014
I have data like this in a table
ID test_date Score
001 4/1/2014 80
001 5/4/2014 85
001 6/1/2014 82
I want to convert the data into a row like this:
ID test_date1 score1 test_date2 score2 test_date3 Score3
001 4/1/2014 80 5/4/2014 85 6/1/2014 82
How can I do that with T-SQL?
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Sep 6, 2015
I put on the site excell file where I explained what I want to get . It is easier to explain through an example .
THIS IS MY INPUT DATA:
ACCOUNTS CODE ACCOUNTS NAME TOTAL
0 CLASS 0
011 Synthetic group
011-1301 Some name 1 25 $
011-1401 Some name 2 20 $
022 Synthetic group
022-1011 Some name 1 101 $
[code]...
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Jun 21, 2014
my table payment_details structure is
payment_id payment_code
1 null
2 null
3 null
4 null
here payment_id is a primary key and i need to update the whole payment_id column to payment_code column.so i just tried the below query
update payment_details
set payment_code = payment_no
where payment_code is null
but it shows subquery error?
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May 7, 2015
I have system id information in table system_ids and productids and systemidinsformation has lot of data but I am looking two strings in tire data to pull into two separate columns. details below
Database versions :ms sql 2008/2012
tablename:system_id's
column:system id information
sample data from system_id_information column
########################################
<obj xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:vim25" versionId="5.5" xsi:type="ArrayOfHostSystemIdentificationInfo"><HostSystemIdentificationInfo xsi:type="HostSystemIdentificationInfo"><identifierValue> unknown</identifierValue><identifierType><label>Asset Tag</label><summary>Asset tag of the system</summary><key>AssetTag</key></identifierType>
[Code] .....
I am looking output of two columns, which are bolded
product_id snumber
654081-B21 MXQ43905SW
for serial number this is common
before string :HostSystemIdentificationInfo"><identifierValue>
and after string </identifierValue><identifierType><label>Service tag
and snumber is always between the before and after string and number of characters of snumber varies and entire data for a row also varies
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May 29, 2014
I am writing a query to update table variable. It is throwing me some error.
I have a table variable declared and inserted the data with three columns. I want to update col1 of that table variable when the second column of that table variable= one column from a physical table
update @MYtabvar set @Mytabvar.LatestDate=B.LatestDate from TableB B where @Mytabvar.id=B.ID
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Feb 17, 2015
I want to convert all the column of table to ToBase64String.
Public Class ScriptMain
Inherits UserComponent
Dim md5 As MD5CryptoServiceProvider = New MD5CryptoServiceProvider()
Public Overrides Sub Input0_ProcessInputRow(ByVal Row As Input0Buffer)
Dim columnContents As Byte() = UnicodeEncoding.Unicode.GetBytes(Row.Col001 + Row.Col002 + Row.Col003 + Row.Col004 + Row.Col005 + Row.Col006 + Row.Col007 + Row.Col008 + Row.Col009 + Row.Col010 + Row.Col011 + Row.Col012 + Row.Col013 + Row.Col014)
Dim hash As Byte() = md5.ComputeHash(columnContents)
Dim hashString As String = Convert.ToBase64String(hash, Base64FormattingOptions.None)
Row.RowChecksum = hashString
End Sub
End Class
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Apr 22, 2015
I have a situation that I need to add a field to a table over linked server. The specifications of this is dynamic and it is being done in TQL / Stored procedures and this can not change. My code is generating the statement just fine and if I copy paste it to a new SSMS window and execute it WORKS.. The problem is I need to dynamically generate the statement (I am doing that just fine, I THINK). THEN I need to execute the statement IN THE SPROC, this part is not working.
Here is the code:
SET @AlterSQL = @DestinationServerName + '.[' + @DestinationDBName +'].' + @DestinationSchemaName + '.sp_executesql N'' ALTER TABLE '
+ @DestinationTableName + ' ADD ' + @TempColumn + ' int' + CHAR(39)
The above Creates this when I expose it via a PRINT statement:
addb15.[FSParallel].dbo.sp_executesql N' ALTER TABLE Node ADD ImportIdentity int'
After I create the statement I use:
EXEC @AlterSQL
And this returns the following error:
Msg 2812, Level 16, State 62, Procedure ETLDynamicImport, Line 244
Could not find stored procedure 'FSParallel.dbo.sp_executesql N' ALTER TABLE Node ADD ImportIdentity int''.
<hr noshade size='1' width='250' color='#BBC8E5'>
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Oct 19, 2015
How to add a primary key for existing column in the table
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Oct 7, 2014
I have a sql query that gets the count of exams held in each month.
Below is the code that I have used.
select Examid, count(*) as CumCount
from [dbo].[Exams] where ExamCategory in ('Major','Critical') and Month(EXOCCRDATE) = Month(getdate())
and Year(EXOCCRDATE) = Year(getdate()) group by Examid
The code works good when we have data for the current month. When we dont have any exams for the current month, the code outputs empty values. I want the code to be altered so that when there is no value returned in the output, i want a default value shown in the output.
I have attached the sample data that I am using. In the data we dont have dates for the month of October. So when I run the code it will display empty output. So what I need is I need a text like 'No Data' to be shown when no value is returned by the query.
I tried using case but it does not work.
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Jan 29, 2014
I want to display data in block. Below is the Create,Insert Script and format of desired output.
CREATE TABLE [dbo].[Test_AA](
[CounterpartID] [varchar](2000) NULL,
[CounterpartName] [varchar](2000) NULL,
[SATName] [varchar](2000) NULL,
[NameOfBO] [varchar](2000) NULL,
[Code] ....
Result Should be like This :
ID:17388
Name:Scottie Berwick
SATName:Scottie Berwick
NameOfBO:
SATAccountNumber:
[Code] ....
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