I've got a piece of sql script which I run with the output set to text.
The column it returns is set to varchar(255), so in the text output the column is 255 chars wide.
I know I can use
Cast(ColumnName As VarChar(75))) As ColumnName
to restrict it down to 75 characters width, but what I want to achieve is that it automatically sets the width to the widest result it returns. Does anyone know if this is possible?
Use dynamic query to achieve the result.
See one sample script below.
CREATE TABLE #temp
(Column1 VARCHAR(50))
INSERT INTO #temp (Column1) VALUES ('1111-123'),('15454454aa-4545')
DECLARE #Delimit INT
DECLARE #queryString VARCHAR(MAX)
SELECT #Delimit=MAX(LEN(Column1)) FROM #temp --Getting the Length of largest column data
SET #queryString='SELECT CAST(Column1 AS VARCHAR('+CONVERT(VARCHAR(50),#Delimit)+'))Column1
FROM #temp'
EXEC(#queryString)
Related
This question already has answers here:
SQL Server store multiple values in sql variable
(7 answers)
Closed 2 months ago.
I am trying to set values but need to use a field, rather than inputting hundreds of values.
Current code:
DECLARE #variable AS VARCHAR (100)
SET #variable = 'Y'
I need to be able to use a field as the value:
SET #variable = tbl.field
I have also tried
DECLARE #variable AS table (val varchar (100))
insert into #variable (val)
(SELECT
distinct field
FROM
tbl])
select * from #variable
SELECT * FROM tbl
WHERE field = #variable
However this code simply runs both at the same time, creating two outputs, so I am missing a link here
I need to be able to run the code so that all available values are set as each option needs to be tested at once.
You declared a scalar variable. It holds only one value, and cannot hold more than one value.
In this approach, you can store multiple values.
DECLARE #variable AS TABLE(val VARCHAR(50))
INSERT INTO #variable(val) VALUES
('Y'),
('N')
SELECT * FROM #variable
As Larnu wrote, you can't assign a scalar value to hold two values.
My suggestions are using a temporary table to hold all of your values, or assign both values as one and break them with STRING_SPLIT.
For example:
DECLARE #variable VARCHAR(100) = 'Y,N'
SELECT value
FROM STRING_SPLIT(#variable, ',')
A scaler variable only can store a single value in each set/select statement.
I'm new to SQL so please forgive me if I use incorrect terminology and my question sounds confused.
I've been tasked with writing a stored procedure which will be sent 3 variables as strings (varchar I think). I need to take two of the variables and remove text from the end of the variable and only from the end.
The strings/text I need to remove from the end of the variables are
co
corp
corporation
company
lp
llc
ltd
limited
For example this string
Global Widgets LLC
would become
Global Widgets
However it should only apply once so
Global Widgets Corporation LLC
Should become
Global Widgets Corporation
I then need to use the altered variables to do a SQL query.
This is to be used as a backup for an integration piece we have which makes a callout to another system. The other system takes the same variables and uses Regex to remove the strings from the end of variables.
I've tried different combinations of PATINDEX, SUBSTRING, REPLACE, STUFF but cannot seem to come up with something that will do the job.
===============================================================
Edit: I want to thank everyone for the answers provided so far, but I left out some information that I didn't think was important but judging by the answers seems like it would affect the processing.
My proc will start something like
ALTER PROC [dbo].[USP_MyDatabaseTable] #variableToBeAltered nvarchar(50)
AS
I will then need to remove all , and . characters. I've already figured out how to do this. I will then need to do the processing on #variableToBeAltered (technically there will be two variables) to remove the strings I listed previously. I must then remove all spaces from #variableToBeAltered. (Again I figured that part out). Then finally I will use #variableToBeAltered in my SQL query something like
SELECT [field1] AS myField
,[field2] AS myOtherField
FROM [MyData].[dbo].[MyDatabaseTable]
WHERE [field1] = (#variableToBeAltered);
I hope this information is more useful.
I'd keep all of your suffixes in a table to make this a little easier. You can then perform code like this either within a query or against a variable.
DECLARE #company_name VARCHAR(50) = 'Global Widgets Corporation LLC'
DECLARE #Suffixes TABLE (suffix VARCHAR(20))
INSERT INTO #Suffixes (suffix) VALUES ('LLC'), ('CO'), ('CORP'), ('CORPORATION'), ('COMPANY'), ('LP'), ('LTD'), ('LIMITED')
SELECT #company_name = SUBSTRING(#company_name, 1, LEN(#company_name) - LEN(suffix))
FROM #Suffixes
WHERE #company_name LIKE '%' + suffix
SELECT #company_name
The keys here are that you are only matching with strings that end in the suffix and it uses SUBSTRING rather than REPLACE to avoid accidentally removing copies of any of the suffixes from the middle of the string.
The #Suffixes table is a table variable here, but it makes more sense for you to just create it and fill it as a permanent table.
The query will just find the one row (if any) that matches its suffix with the end of your string. If a match is found then the variable will be set to a substring with the length of the suffix removed from the end. There will usually be a trailing space, but for a VARCHAR that will just get dropped off.
There are still a couple of potential issues to be aware of though...
First, if you have a company name like "Watco" then the "co" would be a false positive here. I'm not sure what can be done about that other than maybe making your suffixes include a leading space.
Second, if one suffix ends with one of your other suffixes then the ordering that they get applied could be a problem. You could get around this by only applying the row with the greatest length for suffix, but it gets a little more complicated, so I've left that out for now.
Building on the answer given by Tom H, but applying across the entire table:
set nocount on;
declare #suffixes table(tag nvarchar(20));
insert into #suffixes values('co');
insert into #suffixes values('corp');
insert into #suffixes values('corporation');
insert into #suffixes values('company');
insert into #suffixes values('lp');
insert into #suffixes values('llc');
insert into #suffixes values('ltd');
insert into #suffixes values('limited');
declare #companynames table(entry nvarchar(100),processed bit default 0);
insert into #companynames values('somecompany llc',0);
insert into #companynames values('business2 co',0);
insert into #companynames values('business3',0);
insert into #companynames values('business4 lpx',0);
while exists(select * from #companynames where processed = 0)
begin
declare #currentcompanyname nvarchar(100) = (select top 1 entry from #companynames where processed = 0);
update #companynames set processed = 1 where entry = #currentcompanyname;
update #companynames
set entry = SUBSTRING(entry, 1, LEN(entry) - LEN(tag))
from #suffixes
where entry like '%' + tag
end
select * from #companynames
You can use a query like below:
-- Assuming that you can maintain all patterns in a table or a temp table
CREATE TABLE tbl(pattern varchar(100))
INSERT INTO tbl values
('co'),('llc'),('beta')
--#a stores the string you need to manipulate, #lw & #b are variables to aid
DECLARE #a nvarchar(100), #b nvarchar(100), #lw varchar(100)
SET #a='alpha beta gamma'
SET #b=''
-- #t is a flag
DECLARE #t int
SET #t=0
-- Below is a loop
WHILE(#t=0 OR LEN(#a)=0 )
BEGIN
-- Store the current last word in the #lw variable
SET #lw=reverse(substring(reverse(#a),1, charindex(' ', reverse(#a)) -1))
-- check if the word is in pattern dictionary. If yes, then Voila!
SELECT #t=1 FROM tbl WHERE #lw like pattern
-- remove the last word from #a
SET #a=LEFT(#a,LEN(#a)-LEN(#lw))
IF (#t<>1)
BEGIN
-- all words which were not pattern are joined back onto this stack
SET #b=CONCAT(#lw,#b)
END
END
-- get back the remaining word
SET #a=CONCAT(#a,#b)
SELECT #a
drop table tbl
Do note that this method overcomes Tom's problem of
if you have a company name like "Watco" then the "co" would be a false positive here. I'm not sure what can be done about that other than maybe making your suffixes include a leading space.
use the replace function in SQL 2012,
declare #var1 nvarchar(20) = 'ACME LLC'
declare #var2 nvarchar(20) = 'LLC'
SELECT CASE
WHEN ((PATINDEX('%'+#var2+'%',#var1) <= (LEN(#var1)-LEN(#var2)))
Or (SUBSTRING(#var1,PATINDEX('%'+#var2+'%',#var1)-1,1) <> SPACE(1)))
THEN #var1
ELSE
REPLACE(#var1,#var2,'')
END
Here is another way to overcome the 'Runco Co' situation.
declare #var1 nvarchar(20) = REVERSE('Runco Co')
declare #var2 nvarchar(20) = REVERSE('Co')
Select REVERSE(
CASE WHEN(CHARINDEX(' ',#var1) > LEN(#var2)) THEN
SUBSTRING(#var1,PATINDEX('%'+#var2+'%',#var1)+LEN(#var2),LEN(#var1)-LEN(#var2))
ELSE
#var1
END
)
I have this type of data in a column in my table,,,
QCIM1J77477, 4650125572, QCCR1J77891, 4650312729, QCCR1J74974 --- remove without comma
or
QCIM1E107498,QCIM1E109835,4650092399/ QCCR1E91190, -- remove 4650092399
I want only that string which starts from QC,remove apart from QC,
so please tell me how can I achive it?
Beneath a piece of t-sql script that creates a temporary table #t with temporary variables. Here the temporary table exists untill you break your session, temporary variables exist during the execution of the script. I have a drop table statement at the bottom. Figure out yourself what you want with the table data and whether you want the data put in somewhere else, for example in a not-temporary table :).
I assume you want all the pieces of the string that contain 'QC' as seperate values. If you want your data back as it was originally, that is multiple strings per one column, then you could also do a group by trick. Then you do need a unique identifier of some sort, like name, id, guid of each row or identity.
create table #t ([QCs] nvarchar(100))
declare #str nvarchar(500)
set #str = 'QCIM1E107498,QCIM1E109835,4650092399/ QCCR1E91190'
--replace the above temporary variable with the column you are selecting
declare #sql nvarchar(4000)
select #sql = 'insert into #t select '''+ replace(#str,',',''' union all select ''') + ''''
print #sql
exec ( #sql )
select
QCs
,PATINDEX('%QC%',QCs) as StartPosition
,SUBSTRING(QCs,PATINDEX('%QC%',QCs),12) as QCsNew
from #t where QCs like '%QC%'
drop table #t
With PATINDEX you find the position where in the string 'QC' starts, and with SUBSTRING you tell the dbms to give back (here) 12 characters starting from the found StartPosition.
Beneath what the result looks like. QCsNew is your desired result.
QCs StartPosition QCsNew
QCIM1E107498 1 QCIM1E107498
QCIM1E109835 1 QCIM1E109835
4650092399/ QCCR1E91190 13 QCCR1E91190
I am using below query
SELECT #local_variable=Adtid from table where Adtid can have multiple values stored into it. As I don't know what to use instead of '=' in #local_variable=Adtid. Can anyone suggest please what I should use instead of '=' so that my local varaible can have all values of Adtid
The variable can't actually hold multiple values. You can declare a table variable instead, where you can then do something like
declare #tableVariable table
(
Adtid int
);
insert into #tableVariable
select Adtid from table where Adtid ...
This puts the relevant rows inside your table variable. Now you can use the table variable to eg. create a cursor (to go row by row in the data - you can also do that on the original select if you only need to go through once) or use it in a join clause.
You can use below syntax for get the Adtid as comma separator in result
DECLARE #local_variable VARCHAR(100) =''
SELECT #local_variable += CAST(Adtid AS VARCHAR) + ',' FROM TABLE
PRINT #local_variable
and another way as per below answer.
I was actually asked this myself a few weeks ago, whereas I know exactly how to do this with a SP or UDF but I was wondering if there was a quick and easy way of doing this without these methods. I'm assuming that there is and I just can't find it.
A point I need to make is that although we know what characters are allowed (a-z, A-Z, 0-9) we don't want to specify what is not allowed (##!$ etc...). Also, we want to pull the rows which have the illegal characters so that it can be listed to the user to fix (as we have no control over the input process we can't do anything at that point).
I have looked through SO and Google previously, but was unable to find anything that did what I wanted. I have seen many examples which can tell you if it contains alphanumeric characters, or doesn't, but something that is able to pull out an apostrophe in a sentence I have not found in query form.
Please note also that values can be null or '' (empty) in this varchar column.
Won't this do it?
SELECT * FROM TABLE
WHERE COLUMN_NAME LIKE '%[^a-zA-Z0-9]%'
Setup
use tempdb
create table mytable ( mycol varchar(40) NULL)
insert into mytable VALUES ('abcd')
insert into mytable VALUES ('ABCD')
insert into mytable VALUES ('1234')
insert into mytable VALUES ('efg%^&hji')
insert into mytable VALUES (NULL)
insert into mytable VALUES ('')
insert into mytable VALUES ('apostrophe '' in a sentence')
SELECT * FROM mytable
WHERE mycol LIKE '%[^a-zA-Z0-9]%'
drop table mytable
Results
mycol
----------------------------------------
efg%^&hji
apostrophe ' in a sentence
Sql server has very limited Regex support. You can use PATINDEX with something like this
PATINDEX('%[a-zA-Z0-9]%',Col)
Have a look at PATINDEX (Transact-SQL)
and Pattern Matching in Search Conditions
I found this page with quite a neat solution. What makes it great is that you get an indication of what the character is and where it is. Then it gives a super simple way to fix it (which can be combined and built into a piece of driver code to scale up it's application).
DECLARE #tablename VARCHAR(1000) ='Schema.Table'
DECLARE #columnname VARCHAR(100)='ColumnName'
DECLARE #counter INT = 0
DECLARE #sql VARCHAR(MAX)
WHILE #counter <=255
BEGIN
SET #sql=
'SELECT TOP 10 '+#columnname+','+CAST(#counter AS VARCHAR(3))+' as CharacterSet, CHARINDEX(CHAR('+CAST(#counter AS VARCHAR(3))+'),'+#columnname+') as LocationOfChar
FROM '+#tablename+'
WHERE CHARINDEX(CHAR('+CAST(#counter AS VARCHAR(3))+'),'+#columnname+') <> 0'
PRINT (#sql)
EXEC (#sql)
SET #counter = #counter + 1
END
and then...
UPDATE Schema.Table
SET ColumnName= REPLACE(Columnname,CHAR(13),'')
Credit to Ayman El-Ghazali.
SELECT * FROM TABLE_NAME WHERE COL_NAME LIKE '%[^0-9a-zA-Z $#$.$-$''''$,]%'
This works best for me when I'm trying to find any special characters in a string