Pattern Matching Or Find And Replace In SQL Query
Oct 29, 2007
I have a table called MessageBoard. It has a column called Messages.
A user can type text including any html tags through a text area ans when he saves it by clicking a button, the content typed by the user is saved in the MessageBoard Table (in the Messages) column. So once saved, the html tags are kept intact. If I have to find and replace certain html tags, what kind of SQL Query I have to write?
For example I want to find all the <pre> </pre> tags and replace it with <p> </p> tags. How do I do this?
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Mar 20, 2008
Hi everyone. I'm developing a web search engine using asp and SQL Server 2000. I need to return records that matches with a string entered by users. In example, suppose my database to have this structure and it's filled like this:
ID NAME KEYWORDS
--- ------- -----------
AA025 NAME1 attached, atic, common, business, hotels
AA026 NAME2 headache, medicin, aspirins, heat, health
AA027 NAME3 at, services, music, electronics
suppose that user enters 'at'. By now, i'm using this pattern '%<input_text>%'. So in this example, pattern would be '%at%'. As i remarked in the fields above, the three fields matches, and that's not what i'm looking for. I want that the result of that query be just the last field, with 'AA027' ID.
Thanks in advance guys.
Cheers.
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Mar 30, 2015
I've been trying to find and filter out data that can cause FOR XML to fail with the error:FOR XML could not serialize the data for node ?? because it contains a character (0x0006) which is not allowed in XML.I thought it would be simple, just identify the rows that don't match the XML spec URL...
However, the following doesn't work.
select fieldname
from tablename
where fieldname
like N'%[^'+nchar(0x9)+nchar(0xA)+nchar(0xD)+nchar(0x20)+N'-'+nchar(0xD7FF)+N']%'
Not only does this fail to find the offending rows, when I checked by inverted it by taking out the "^" it still returns no rows.When I reduced 0xD7FF down to 0xFF it returns data, but I cannot add the other range back in without all rows not matching.I've experimented with values and found 0x02E9 was the highest I could go without all values vanishing. Even then, numbers lower than that caused a large variation in the number of rows returned.My Field is NVarchar(100) in SQL_Latin1_General_CP1_CI_AS.
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Apr 30, 2015
One of my varchar columns in a table has multiple key words enclosed in a pattern of special characters.
Eg: William Shakespeare was an English [##poet##], [##playwright##], and [##actor##], widely regarded as the greatest [##writer##] in the English language and the world's pre-eminent [##dramatist##]. He is often called England's national [##poet##] and the "Bard of Avon". His extant works, including some collaborations, consist of about 38 plays, 154 [##sonnets##], two long narrative [##poems##], and a few other [##verses##], of which the authorship of some is uncertain. His plays have been translated into every major living language and are performed more often than those of any other [##playwright##].
I need to write to query to find all distinct key words that are enclosed within [## and ##]. My query should yield the following results from the string in the example above
[##actor##]
[##dramatist##]
[##playwright##] -- 2 occurrances, but I need it only once in my result set
[##poems##]
[##poet##] -- 2 occurrances, but I need it only once in my result set
[##sonnets##]
[##verses##]
[##writer##]
I need to run this on a large table, so I am looking for the best possible way to minimize any performance issues.
Just give you sample code, I have provided below 2 separate snippets, one with table variable and another with temp table.
DECLARE @MyTable TABLE (MyString VARCHAR (8000))
INSERT @MyTable VALUES ('William Shakespeare was an English [##poet##], [##playwright##], and [##actor##], widely regarded as the greatest [##writer##] in the English language and the world''s pre-eminent [##dramatist##]. He is often called England''s national [##poet##] and the "Bard of Avon". His extant works, including some collaborations, consist of about 38 plays, 154 [##sonnets##], two long narrative [##poems##], and a few other [##verses##], of which the authorship of some is uncertain.
[code].....
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Mar 19, 2008
I've decalred this stored procedure with a simple where and like statement. The problem is I don't see any result.
Here is my code
create procedure sp_Select_ProfileNames
@NameSearch varchar(50)
as
select ProfileFirstName +' '+ ProfileLastName as ProfileName
from Profiles
where ProfileLastName like '%@NameSearch%';
When i change this line:
where ProfileLastName like '%@NameSearch%';
to
where ProfileLastName like '%Bil%';
I see names starting with Bil, but when i enter Bil as param, I don't get anything.
What's wrong here ?
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Aug 25, 2006
I want to check for multiple patterns in a particular column.
For one pattern I can write e.g.
SELECT * FROM <TablName> WHERE ColumnName LIKE '%abcd%'.
My requirment is to select all rows for which column value matches with many patterns.I will fetch the patterns in a subquery
e.g. (SELECT '%'+name+'%' FROM <TableName>)
Any thoughts?
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Apr 22, 2005
The LIKE keyword in SELECT WHERE can use wildcard
%
Any string of zero or more characters.
_
Any single character.
but how to Pattern Matching for "zero or single character"?
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Aug 30, 2007
I'm not quite sure that this is possible but, I figured that I would check with you experts out there before trying a new approach. I've done quite a bit of research and have not seen anyone quite figure this out yet.
We have a SQL Server 2005 application that stores and indexes documents to the database as an image data type. I'm able to do full-text queries against the documents without any trouble. I begin to run into problems when trying to pattern match social security numbers and drivers licenses stored in a full-text index. I have a user defined function that I call which runs my regular expression that checks for hits of a ssn or license number in the index. I have no problem getting hits when the data sits in a column.
I do need to mention that I have no trouble when searching for a ssn with a fixed value and where I know the ssn (ex: 123-45-6789). I am actually trying to find the existence of the pattern of ###-##-#### (ex: ^d{3}-d{2}-d{4}$) anywhere in the index.
Any help would be very much appreciated.
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Dec 20, 2013
I have a set of data where a column contains titles which have been formatted as follows:
"FirstWordSecondWordThirdWord...." etc.
That is, all the words have been concatenated but can be visually separated by their capital first letters.
For reporting purposes, I need to break this column into the separate words so that it looks like:
"First Word Second Word Third Word...." etc.
how this can be achieved?
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Feb 20, 2014
I have a table ("MyData") with string columns that have nvarchar data that looks like this:
ColA
--------
42/90
78/109
I plan to do a mathematical grouping on the numerator (eg: 0-10,11-20,21-30, etc... ), So I need to grab the numerator and turn it into an int. For reasons I can't get into, I have to do this in pure T-SQL.
So my question: How would I write a select statement that regex pattern matches "^([0-9]+)/" on ColA and returns integers instead of text?
E.g. THis Query:
SELECT [magic t-sql syntax] as Converted_ColA from MyData
should return this set of int values:
42
78
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Sep 17, 2015
I have two tables in SQL Server--an expression table and a translate table.
DECLARE @EXPRTABLE TABLE
(
expression varchar(100)
)
INSERT INTO @EXPRTABLE
SELECT 'CALL("-","","TEST")'
[Code] ....
I am trying to (for lack of a better way to explain it), overlay the pattern onto the expression and extract the text where the "#" symbols are.
So,
CALL("-","","TEST") using pattern CALL("#","#","#") would return -,,TEST
SUB(2,67,TEST,4,) using pattern SUB(2,#,TEST,4,) would return 67
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Feb 8, 2008
Chaps,
apologies for the drip-drip approach......
Is it possible to do pattern matching against a string using FINDSTRING or similar in a derived column expression without recourse to including 3rd party regexp style plugins?
I want to seach for a reference in a string which will have the format ANNNNNAAA ie. an alpha with a certain value followed by 5 digits followed by three alphas with specific values.
eg Z00001YYY or X00022HHH
thanks for your assistance,
regards,
Chris
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Aug 10, 2015
I have two tables in my database. Some matching rules are associated with these tables and I want a query which will retrieve those data based on the matching rules provided below:
1)
Table1.Firstname=Table2.Firstname,Table1.Lastname=Table2.Lastname,Table1.StartDate=Table2.StartDate,Table1.EndDate=
Table2.EndDate
2)
Table1.Firstname=Table2.Firstname,Table1.Lastname=Table2.Lastname,Table1.StartDate=Table2.StartDate,Table1.EndDate!=
Table2.EndDate
3)
Table1.Firstname!=Table2.Firstname,Table1.Lastname!=Table2.Lastname,Table1.StartDate!=Table2.StartDate,
Table1.EndDate=Table2.EndDate
Table 1 & Table 2 contains the following data:
Table1
First Name
Last Name
Start Date
End Date
City
[code]...
I want this output by writing a single query.
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Jan 6, 2015
I am doing some analysis on our customer base and their payment profiles. I have generated two profile strings, one for whether the balance of an account has gone up or down and one for the size of the balance in relation to the normal invoice amount for the customer. So (for example) the balance movement string will look like this:
UUUDUUUDUUUD-D00 Where U = Up, D = Down, - = no change and 0 = no change and no balance
I want to analyse these strings in two ways. The first is that I want to find customers with a similar pattern: in the example below the first and last patterns are the same, just one out of sync but should be considered the same
Movement Multiple CountRecords
UUUDUUUDUUUD1230123012301175
------------0000000000001163
UDUUUDUUUDUU3012301230121082
The second type of analysis is to find customers whose pattern has changed: in the examples above the patterns are repeated and therefore 'normal' in the records below the patterns have changed in that the first part does not match the second part.
Movement Multiple CountRecords
UUDUUUDUUUUU-----------07
UDUUUDUUUUUU------------7
good way to approach this without either a cursor or a hidden REBAR. The challenge as I see it is that I have to interrogate every string to find out if there is a repeating pattern and if so where it starts and how long it is (heuristic because some strings will start with a repeating pattern and then the pattern may change or deteriorate) and then compare the string for N groups of repeating characters to see if and when it changes and I can't think of an efficient method to do this in SQL because it is not a set based operation.
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May 8, 2015
I tried creating one simple bar chart report in SSRS, with background fill with pattern "UpwardDiagonal", the stripes on the column when viewed insider report viewer control is quite prominently visible, whereas when exporting the same report to PDF the lines are very thin and dense and hence makes it very difficult to differentiate between one column with pattern inside and one without. I have even tried various other pattern like "LightUpwardDiagonal" and "WideUpwardDiagonal" but all have same result when exported to PDF.why?
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Aug 18, 2006
Hi,
I was trying to find numeric characters in a field of nvarchar. I looked this up in HELP.
Wildcard
Meaning
%
Any string of zero or more characters.
_
Any single character.
[ ]
Any single character within the specified range (for example, [a-f]) or set (for example, [abcdef]).
Any single character not within the specified range (for example, [^a - f]) or set (for example, [^abcdef]).
Nowhere in the examples below it in Help was it explicitly detailed that a user could do this.
In MS Access the # can be substituted for any numeric character such that I could do a WHERE clause:
WHERE
Gift_Date NOT LIKE "####*"
After looking at the above for the [ ] wildcard, it became clear that I could subsitute [0-9] for #:
WHERE
Gift_Date NOT LIKE '[0-9][0-9][0-9][0-9]%'
using single quotes and the % wildcard instead of Access' double quotes and * wildcard.
Just putting this out there for anybody else that is new to SQL, like me.
Regards,
Patrick Briggs,
Pasadena, CA
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May 6, 2006
Users have to answer 17 simple yes/no questions and the answers are stored in an column for each question as tinyint 0/1 values.
At least that's what seems reasonable to me at the moment.
The table is under my control so I could change it if needed.
Now from several tenthousend or maybe hundreds of thousends of entries I need to find those with the closest match. Of course, I need all of the entries that have the exact same answers and this is no problem. But - at least if there are not enough full matches - then I need all records that have maybe 16,15,14... matches out of the 17 answers.
I have not yet the idea on how to handle this without quering 17*16 different answer schemes.
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Apr 11, 2006
Given an ID (column B), I need to find which IDs have identical data.That is, given '200', I want the desired result to be:100The idea is that the system sees that id=200 has 5 records with theindicated data in cols C and D.It should then find any other ids with the exact same data for thosecolumns.Note, in this case, both 200 and 100 have (30:1, 30:2, 30:3, 40:4,40:5) so they match. 300 and 400 should NOT be returned.Any bright ideas out there? Thanks!DECLARE @a TABLE(A int, B int, C int, D int)DECLARE @b TABLE(A int, B int, C int, D int)INSERT INTO @a (A, B, C, D) VALUES (1, 100, 30, 1)INSERT INTO @a (A, B, C, D) VALUES (2, 100, 30, 2)INSERT INTO @a (A, B, C, D) VALUES (3, 100, 30, 3)INSERT INTO @a (A, B, C, D) VALUES (4, 100, 40, 4)INSERT INTO @a (A, B, C, D) VALUES (5, 100, 40, 5)INSERT INTO @a (A, B, C, D) VALUES (6, 200, 30, 1)INSERT INTO @a (A, B, C, D) VALUES (7, 200, 30, 2)INSERT INTO @a (A, B, C, D) VALUES (8, 200, 30, 3)INSERT INTO @a (A, B, C, D) VALUES (9, 200, 40, 4)INSERT INTO @a (A, B, C, D) VALUES (10, 200, 40, 5)INSERT INTO @a (A, B, C, D) VALUES (11, 300, 30, 1)INSERT INTO @a (A, B, C, D) VALUES (12, 300, 30, 2)INSERT INTO @a (A, B, C, D) VALUES (13, 300, 40, 3)INSERT INTO @a (A, B, C, D) VALUES (14, 400, 40, 4)INSERT INTO @a (A, B, C, D) VALUES (15, 400, 40, 5)SELECT * FROM @a
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Oct 19, 2007
Hello All,
I have one table that contains information about invoices.
However I need to find out if invoice numbers have been used more than once.
I've tried to join the table to itself and find matching numbers, however I can't seem to get it to work properly.
Any help will be appreciated.
Thanks,
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Sep 15, 2015
We have an application where we want to check to see if the vehicle part on a job matches to our internal parts inventory (PartsInventory table) before we order it. The problem is that sometimes the part number matches exactly and sometimes the part number has '-' or space but if those are removed, will match to our internal part number. Below is what I have so far but it only matches exact part numbers. One example would be if our part number was 1013738-00-C but the job (in RepairOrderLines) had a part number of 101373800C we should consider it a match. Both PartNumbers are varchar(30).
SELECT dbo.PartsInventory.PartNumber, dbo.PartsInventory.PartDescription, dbo.PartsInventory.VehicleMake
FROM dbo.PartsInventory INNER JOIN
dbo.RepairOrderLines ON dbo.PartsInventory.PartNumber = dbo.RepairOrderLines.PartNumber INNER JOIN
dbo.RepairOrder ON dbo.RepairOrderLines.RecordID = dbo.RepairOrder.RecordID INNER JOIN
dbo.Vehicles ON dbo.RepairOrder.VehicleID = dbo.Vehicles.VehicleID AND dbo.PartsInventory.VehicleMake = dbo.Vehicles.VehicleMake
WHERE (dbo.RepairOrderLines.RecordID = 46001)
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Oct 6, 2015
SQL Server 2012 Performance Dashboard Main advices me this:
Since the application is from a vendor and I have no control over its code, how can improve this sitation?
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Aug 9, 2007
Let's say I have a list of IDs called EntryID and each EntryID can belong to ONE table out of a group of six, what is the best way to get a listing of these?
For example:
select r.*
from #Reminders r
left join mytable1 mt1 on (r.EntryID = mt1.EntryID)
left join mytable2 mt2 on (r.EntryID = mt2.EntryID)
left join mytable3 mt3 on (r.EntryID = mt3.EntryID)
left join mytable4 mt4 on (r.EntryID = mt4.EntryID)
As you can see, #Reminders has one field called EntryID (and many rows).
In my example above, only ONE of those tables will actually be able to join but I have no idea which one has the matching EntryID.
What is the best way for me to do this? I want to grab "ReportStatus" from the corresponding "mytable"... (each "mytable" has a ReportStatus column)
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Sep 13, 2006
To ensure I don't leave orphans floating around in tables when records get deleted (values from one record might link to values in another) how do I find and possibly replace values in tables?For example, if I have a unit of measure table and want to delete the value "inches", how do I look in other tables to find this value and give the user the option to cancel or clear it out. If I don't it will cause controls bound to that value like the dropdownlist to throw an error.
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Apr 30, 2004
Does anybody know how to search through all stored procedures (in SQL Server 2000) and find and replace text without having to open each one individually in Query Analyzer and doing so one at a time?
That would be so time consuming. I want to be able to change my table names, but I have so many stored procedures allready using the old names. To go and find each name and replacing them is a task I don't want to even try and do.
Thank you to whomever can help.
Alec
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Jan 4, 2007
Hi I run a find and replace in my script to replace some key words.
Little did I know that in SQL Server 2005 that it actually finds and replaces ALL query windows open for that database.
Any ideas on how I can turn this setting off? so that it only finds/replaces within the query window that I am using.
Thanks in Advance!
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Jan 9, 2008
Hello,
Wondering if anyone may have any advice on how to do this?
I need to do Find/Replace of text in a varchar field so that it looks for text I want then it replaces that text with the new text and updates the field with that specific change, leaving everything else intact.
And I need to do this for every row in a table.
Thanks in advance!!
--PhB
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Jan 23, 2008
Hello All,
I have a master file with
Slcode Sldesc
S0001 Furniture & Fittings
S0002 Investments
S0003 Coolie & Cartage
I want to find the ampersand character in between and replace with and.
Nirene
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Aug 11, 2014
I have a patient record and emergency contact information. I need to find duplicate phone numbers in emergency contact table based on relationship type (RelationType0 between emergency contact and patient. For example, if patient was a child and has mother listed twice with same number, I need to filter these records. The case would be true if there was a father listed, in any cases there should be one father or one mother listed for patient regardless. The link between patient and emergency contact is person_gu. If two siblings linked to same person_gu, there should be still one emergency contact listed.
Below is the schema structure:
Person_Info: PersonID, Person Info contains everyone (patient, vistor, Emergecy contact) First and last names
Patient_Info: PatientID, table contains patient ID and other information
Patient_PersonRelation: Person_ID, patientID, RelationType
Address: Contains address of all person and patient (key PersonID)
Phone: Contains phone # of everyone (key is personID)
The goal to find matching phone for same person based on relationship type (If siblings, then only list one record for parent because the matching phones are not duplicates).
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May 10, 2001
Is there a way (using a combination of "stuff" and patindex")
to do the following:
replace this --> 1 2 3 4 5
with this --> 12345
or better yet --> 1,2,3,4,5
note: these "spaces" are tab delimited!
any help would be appreciated!
TB
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May 30, 2007
Basically I want to do a find and replace.
All the rows where column1 starts with F: I want to replace with M:
I tried this without luck
update table
set left(column1,1)='M'
where
left(column1,1)='F'
thanks
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Dec 7, 2007
I was wondering how to do a find and replace with SQL? Would I use a SET statement?
I need to find a specific value and replace all of the results with a different value.
Thanks for all responses.
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Feb 21, 2008
Hi
acutally due to certain reason i have changed the few tables name in my database, but now i m facing problem in my software, i have alot of procedures and function as well in my database and these are using old table name,
Is there any script that i can use to replace the name of the tables.
i have checked few procedure/function in which i use table name with different style like [dbo].[tablename] and in some places i just use only [tablename].
Can anyone help me ?
Thanks and looking forward.
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