Searching For Values Within A Database?
Oct 2, 2014
I've been given read access to a database and I also am looking at a GUI which draws data from the database. I am trying to map the results I see from the GUI to find the columns that the data is in... So.. big database, takes a long time to search the entire thing so I try to narrow it down by the following:
Code:
select * from information_schema.columns where table_schema = 'db19' and table_catalog = 'masterdb' and
table_name in(select table_name from information_schema.tables where table_type = 'base table' and table_catalog = 'masterdb' and table_schema = 'db19' and data_type in ('text' and 'varchar'))
This essentially gives me a list of tables and columns whos data type is either text or varchar. Once I have this list... I then run the following on each:
Code:
select top 1 [col_name] from [table_name] where [col_name] like ' (here is the value I want to search) '
So this runs through each table, looking to see if a value exists and if so, prints the result.
I am then left with a much much smaller list that I can manually look through and find the one I am looking to specifically find.
Is it possible to do this running only one query... where the output gives me all the columns in with a specific data type that contain a value I enter Anything else to make this more efficient
I am aware that there are data mining programs that could probably do this however I only have read access on the database which often causes a problem. The application I am using is "Aqua Data Studio" ....
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Feb 11, 2005
Hi,
I have a table with lots of records init and i want to make a simple query where i can show only the records with more then 1 time the same value,
problem is that i want to make a collumn primary key and there are still double values in it. :confused:
Thanx in front
Cheers Wimmo
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Oct 9, 2007
I'm hoping someone can help me with my problem.
I'm reading in records from a 'flat file' and loading them into sql.
I have 5 values I'm loading in. I first check my sql db, if all 5 values match a current record in sql, I don't want to load the record, because it's already there. If it doesn't exist, I need to load it.
It works fine as long as none of my values are NULL. But if I have a record with a field, say Gender, that is null, if its a new record it loads fine, setting gender to NULL in sql. But then when I encounter another record, which is identical, I'm testing to see if it already exists by doing a 'select where Gender = @Gender' and it always returns that the record does not exist in the db - even though it exists (because its using the = instead of is null)!
I need some mechanism where if the value is null it tests 'Gender is null' but if there is a value, it tests gender=gender, [and I need this for all my parameters]. Or is there some other way to do this?
Here is my code for looking to see if the record exists:
public static int ExistInsured(int CaseID, object InsuredLastName, object DateOfBirth, object CurrentAge, object Gender)
{SqlConnection conn = new SqlConnection(connStng.ToString());
SqlCommand cmd = new SqlCommand("SELECT top 1 InsuredID from Insured Where PolicyID = (Select PolicyID from Policy where CaseID = @CaseID) and LastName = @InsuredLastName and DateofBirth = @DateofBirth and Gender = @Gender", conn);
int result = -1;
cmd.CommandType = CommandType.Text;cmd.Parameters.AddWithValue("@CaseID", CaseID);
cmd.Parameters.AddWithValue("@InsuredLastName", InsuredLastName);cmd.Parameters.AddWithValue("@DateOfBirth", DateOfBirth);
cmd.Parameters.AddWithValue("@CurrentAge", CurrentAge);
cmd.Parameters.AddWithValue("@Gender", Gender);
conn.Open();
try
{object ret = cmd.ExecuteScalar();
if ((ret != null) && (ret is int))result = (int)ret;
}
finally
{
conn.Close();
}return result;
}
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May 7, 2015
I am interested in creating a query that will test if a value is the same in a particular field.
For example, if the value is "0", or "000", or "000000" or "333", "444444", I would like to extract it. Otherwise omit the value.
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Oct 11, 2005
i currently have a function and a storedpro in my sql database they are:CREATE PROCEDURE SearchCatalog (@PageNumber tinyint,@ProductsOnPage tinyint,@HowManyResults smallint OUTPUT,@AllWords bit,@Word1 varchar(15) = NULL,@Word2 varchar(15) = NULL,@Word3 varchar(15) = NULL,@Word4 varchar(15) = NULL,@Word5 varchar(15) = NULL)AS
/* Create the temporary table that will contain the search results */CREATE TABLE #SearchedProducts(RowNumber SMALLINT NOT NULL IDENTITY(1,1), ProductID INT, Name VARCHAR(50), Description VARCHAR(1000), Price MONEY, ImagePath VARCHAR(50), Rank INT, ImageALT VARCHAR(100), Artist VARCHAR(50))
/* Populate #SearchedProducts for an any-words search */IF @AllWords = 0 INSERT INTO #SearchedProducts (ProductID, Name, Description, Price, ImagePath, ImageALT, Artist, Rank) SELECT Product.ProductID, Product.Name, Product.Description, Product.Price, Product.ImagePath, Product.ImageALT, Artist.ArtistName, 3*dbo.WordCount(@Word1, Name)+dbo.WordCount(@Word1, Description)+ 3*dbo.WordCount(@Word2, Name)+dbo.WordCount(@Word2, Description)+ 3*dbo.WordCount(@Word3, Name)+dbo.WordCount(@Word3, Description)+ 3*dbo.WordCount(@Word4, Name)+dbo.WordCount(@Word4, Description)+ 3*dbo.WordCount(@Word5, Name)+dbo.WordCount(@Word5, Description) AS TotalRank FROM Product INNER JOIN (Artist INNER JOIN AlbumSingleDetails ON Artist.ArtistID = AlbumSingleDetails.ArtistID) ON Product.ProductID = AlbumSingleDetails.ProductID ORDER BY TotalRank DESC
/* Populate #SearchedProducts for an all-words search */IF @AllWords = 1 INSERT INTO #SearchedProducts (ProductID, Name, Description, Price, ImagePath, ImageALT, Artist, Rank) SELECT Product.ProductID, Product.Name, Product.Description, Product.Price, Product.ImagePath, Product.ImageALT, Artist.ArtistName, (3*dbo.WordCount(@Word1, Name)+dbo.WordCount(@Word1, Description)) * CASE WHEN @Word2 IS NULL THEN 1 ELSE 3*dbo.WordCount(@Word2, Name)+dbo.WordCount(@Word2, Description) END * CASE WHEN @Word3 IS NULL THEN 1 ELSE 3*dbo.WordCount(@Word3, Name)+dbo.WordCount(@Word3, Description) END * CASE WHEN @Word4 IS NULL THEN 1 ELSE 3*dbo.WordCount(@Word4, Name)+dbo.WordCount(@Word4, Description) END * CASE WHEN @Word5 IS NULL THEN 1 ELSE 3*dbo.WordCount(@Word5, Name)+dbo.WordCount(@Word5, Description) END AS TotalRank FROM Product INNER JOIN (Artist INNER JOIN AlbumSingleDetails ON Artist.ArtistID = AlbumSingleDetails.ArtistID) ON Product.ProductID = AlbumSingleDetails.ProductID ORDER BY TotalRank DESC
/* Save the number of searched products in an output variable */SELECT @HowManyResults=COUNT(*) FROM #SearchedProducts WHERE Rank>0
/* Send back the requested products */SELECT ProductID, Name, Description, Price, ImagePath, ImageALT, Artist, RankFROM #SearchedProductsWHERE Rank > 0 AND RowNumber BETWEEN (@PageNumber-1) * @ProductsOnPage + 1 AND @PageNumber * @ProductsOnPageORDER BY Rank DESCand:CREATE FUNCTION dbo.WordCount(@Word VARCHAR(20),@Phrase VARCHAR(1000))RETURNS SMALLINTASBEGIN
/* If @Word or @Phrase is NULL the function returns 0 */IF @Word IS NULL OR @Phrase IS NULL RETURN 0
/* Calculate and store the SOUNDEX value of the word */DECLARE @SoundexWord CHAR(4)SELECT @SoundexWord = SOUNDEX(@Word)
/* Eliminate bogus characters from phrase */SELECT @Phrase = REPLACE(@Phrase, ',', ' ')SELECT @Phrase = REPLACE(@Phrase, '.', ' ')SELECT @Phrase = REPLACE(@Phrase, '!', ' ')SELECT @Phrase = REPLACE(@Phrase, '?', ' ')SELECT @Phrase = REPLACE(@Phrase, ';', ' ')SELECT @Phrase = REPLACE(@Phrase, '-', ' ')
/* Necesdbory because LEN doesn't calculate trailing spaces */SELECT @Phrase = RTRIM(@Phrase)
/* Check every word in the phrase */DECLARE @NextSpacePos SMALLINTDECLARE @ExtractedWord VARCHAR(20)DECLARE @Matches SMALLINT
SELECT @Matches = 0
WHILE LEN(@Phrase)>0 BEGIN SELECT @NextSpacePos = CHARINDEX(' ', @Phrase) IF @NextSpacePos = 0 BEGIN SELECT @ExtractedWord = @Phrase SELECT @Phrase='' END ELSE BEGIN SELECT @ExtractedWord = LEFT(@Phrase, @NextSpacePos-1) SELECT @Phrase = RIGHT(@Phrase, LEN(@Phrase)-@NextSpacePos) END
IF @SoundexWord = SOUNDEX(@ExtractedWord) SELECT @Matches = @Matches + 1 END
/* Return the number of occurences of @Word in @Phrase */RETURN @MatchesENDmy database has many table but product is linkinked to albumsingledetails with productid in the albumsingledetails table, the the albumsingledetails table has the artistid in it which links to the artist table. I have tried searching for an artist but it does not find them!! can anyone see where i have gone wrong?
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Jul 26, 2006
Hi,
This is the first database I have ever created, so please bear with me.
I've created a simple database with 1 column and about 80,000 rows. In each row is a word (basically a dictionary without definitions).
I have written a query which works, and is, as follows (you'll notice that i'm not the most original of people)
SELECT
word
FROM dbo.words
WHERE word= 'hello'
This finds the word hello.
In excel I have a row with 25 letters and then a column with every single combination of letters from 3 to 10 lettered words. (It makes sense to me!)
This comes back with a lot of possibilities (thousands), but is great in the sense that when I change any of the 25 letters the entire column automatically updates.
What I am trying to do is then take all of these possibilities and compare them against the dictionary.
I have written a line in excel which automatically creates a cell a bit like this, for the first couple of thousand possibilities:
WHERE word= 'abc' or word= 'fgm' or word= 'klm' or word= 'pqr' or word= 'uvw' or word= 'bcd' or word= 'ghi' or word= 'lmn' or word= 'qrs' or word= 'vwx'
I then whack this into the query from above and off it goes. The only problem is that the search takes ages, and because of limitations in excel I can't put more than a thousand or so words in the cell.
I am certain there is a faster way of searching through all the possibilities, any help would be much appreciated.
Thanks in advance
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Oct 4, 2007
Im trying to do a database query based on user input from a text field. I pulled apart the string that was
entered into the search form and stored it in textArray. The problem I
am having is when I include commmon words such as the, near, view and so
on into the search field I end up with zero results. when I only search
for less common words such as rocky and argentina for example the search
works fine. at first I thought that maybe it was generating too many
results and was screwing up but when i search for rocky it works and
when i search for near rocky it doesnt.
I realize the code might not be the most efficient but here it is...
@searches_pages, @searches = paginate(:searches, :per_page => 10,
:conditions => getSearch(textArray,params[:country]))
def getSearch(textArray,selectedCountry )
result = []
string = ""
if selectedCountry != "Optional Field"
string << "country = (?) and "
end
textArray.each do |x|
if textArray[textArray.length - 1] == x
string << "match(country,caption, keywords, notes) against
(?) "
else
string << "match(country, caption, keywords, notes) against
(?) and "
end
end
result << string
if selectedCountry != "Optional Field"
result << selectedCountry
end
textArray.each do |x|
result << x
end
result
end
Im not sure if i supplied enough information but I am trying to finish
this project soon so any type of responses would help. Also, if there
is an easier way to do an sql search based off of what is entered into
the search field please let me know. The reason I did this is because I
wasn't sure how many words the user would be entering into the field.
And without knowing this I could not hard code the conditions => so I
wrote a helper method.
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Oct 12, 2007
OK I have a search page and the query that is being send from the search box is
"SELECT * FROM [problems] WHERE ((problemBody LIKE '%' + @search_id + '%')OR @search_id IS NULL)"
Now say I have in the column for problemBody "Search the database" If i Type in the search field search the, or the database, or data, ot search, or even just s it will bring back records, But if I do not use exact keywords such as "search database" it will not bring back anything. How do I make it search all the keywords used?? like a normal search engine.
Thanks
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Jan 28, 2008
I am finishing up my senior project application but I wanted to include a search function that would search all the tables of the database and look for matching text that is input by the user. I am not really looking for code or anything just some pointers in the right direction. I was thinking that I would have to create a view that is populated by a sub-query. My problem is how do I output the results of a search of every relevent table in the database when they all have very different column names and data types? Im guessing column aliases are involved somehow but I am not really sure where I should start. Any suggestions would be appreciated.
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Mar 31, 2008
hi there,i have a textbox in my page and a button,when the button is clicked the application will search for the text written in the textbox in my database which is sql server, it works fine in my system but when i upload my website in the web it doesn't work correctly i mean that it dosent find all the matches, why this happens? is it possible that this problem occur because of the different fonts which is used in sql server and the font is used in my application?
thanks for help
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Apr 7, 2005
Whats the easiest way to search for a keyword in all the tables present in the database.
Or searching in 5-6 tables.
Thanks,
AzamSharp
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Mar 11, 2004
Is there any way to do a complete database search in SQL server? For instance, if I have a criteria "DBFORUMS", I would like to scan through all user tables in my database to get all records with the word "DBFORUMS" stored, just like want we are doing in "Quick Search" in dbforums site.
Any ideas?
Thanks in advance.
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Aug 28, 2005
Hi friends
Suppose i have a table of 100 cols and 10000 rows i want to search a particular field called 'Newyork' . I dont no what the col is ?
Can anyone tell me how can i search that
Vicky
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Dec 28, 2005
Hi, this is my first post on these forums, so please excuse me if this topic has already been covered.
I'm currently working in a power station for student vacation work placement. I need to export data from a database that gets it's data from machinery and inputs out in the plant. The machines that provide this input put it into a database, and I need to find the relevant data to export.
My problem is that, in some cases, the sample data that i'm given may be under different field names, in a completely unrelated table. I was looking for a way to search the entire database (250+ tables) for a certain string, so I can find where it is in the database, and run queries on the table it originates from. For example:
My sample data shows me that I have an object with the ID Y03A3DEA_TH1. I know this ID will occur somewhere else in the database, but i'm just not sure where.
If anyone knows of any way that I can search the entire database for specific data, either using tools in MS SQL 2000, or 3rd party apps, i would greatly appreciate their help.
Thanks a lot,
Jack Smith
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Jun 14, 2006
Dear Sir,
I am building a website some what like B2B portal using asp.net and access database. I want to provide a search facility to the user through which they can search products in our database.
Can you provide me a strong SQL Query for that. Or is there any other way of doing that.
Please help me.
Thanking You
Suraj
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Oct 29, 2007
Maybe a totally newbie question - I need to find some text in SQL database, I have no idea in which table it may be. Can I do it through SQL Management Studio 2005 or do I need some other utility? What would you suggest then?
Thanks.
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Feb 27, 2008
Hi,
I am building a website in ASP.net C# for a university project, and would like to search a table (Member) for a field (UserName) using a session variable Session["sUserName"]. If that field is null, then I would like to insert that session variable into the field to start to create a new user. However, I am getting errors saying that I am using invalid expression terms. My code is;
//Create the Command, passing in the SQL statement and the ConnectionString queryString = "SELECT UserName FROM Member WHERE (UserName = @myUsername); ";
SqlCommand cmd = new SqlCommand(queryString, sqlConn);cmd.Parameters.Add(new SqlParameter("@myUsername", Convert.ToString(Session["sUserName"])));
//If UserName is null, display confirmation, else display errorif (UserName == null) ;
{UserNameCheckLabel.Text = "Username okay";
String queryString = "INSERT INTO Member (UserName) VALUES(@myUsername); ";SqlCommand cmd = new SqlCommand(queryString, sqlConn); cmd.Parameters.Add(new SqlParameter("@myUsername", Convert.ToString(Session["sUserName"])));
}else;
{UserNameCheckLabel.Text = "That username is in use";
}
I have a feeling I should be checking the database for the UserName, but I'm not sure whether to put this in the SELECT statement part or as a method... I would be most grateful for any advice!
Many thanks,
Chima
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Jul 23, 2005
hihere is a problem:i have a databes with many, many tablesthe problem is that i dont know where 'abcd' string is (but it is for surein one of that table)is there any SELECT that could help me with finding this string in database?--greets
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Nov 13, 2006
Hi!
I found a problem while retrieving/searching/filtering Myanmar Text with a Select Statement, In a Myanmar Text table there in a column called HeadWords.
It's Sample Data
HWID,HeadWords
1,|က|
2,|ကာ|
3,|ကိ|
4,|ကီ|
5,|ကဲ|
I want to make the following search:
SELECT * FROM TableName WHERE HeadWords LIKE '%|က|%' this should give me all entries that have a "|က|" *ANY* place in the HeadWords column. Right?
However, it gives me unproper results. you may see last two records have 2 characters between pipe(|).
HWID,HeadWords
1,|က|
3,|ကိ|
5,|ကဲ|
Since the wildcard character % means no or all characters it should work. And I've tried pipe, comma, forward slash and back slash.
The problem only seems to occur when the wildcard character is used for the any part of character. Let me know alternative way to search that matters. I've tried in MSAccess. There are same problem like MSSQL.
It's any problem in searching support for National Characters (UTF8). I've tried in OpenOffice Database with those data.
It's work fine.
If you not see Myanmar characters, please download fonts from http://www.fontmm.com/font_downloads.htm
Does anybody have an explanation to this, please let me know.
Thanks in advance!
Ngwe Tun
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Jun 17, 2008
Hi All,
i have some views in my database, and these views are having some columns,i want to know particular column name to be there in particular view.
For example ,just like functionality of sp_search_code 'Keyword'.
like this i want to search in views .
or else please let me know sp_search_code 'Keyword'. was used for views also.
Thanks and Regards,
G.JaganMohanrao.
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Jul 20, 2005
Database design is well covered in undergrad CS. But does anyone know ofa textbook that deals with the design of database servers (and probablytouches on databases themselves), and perhaps deals with interpreting SQLinquiries?The motivation for this is that I wish to write a database server for aproprietaryoperating system (it resembles POSIX, but is not completely compliant)for an embedded processor system that exchanges queries from clients alsoemploying embedded processors. Stored data is all in one place.I'm a little familiar with the MySQL source code, but I don'twish to replicate something that complex. The sort of investmentI'm talking about should involve no more than three man, er, person-monthsby an experienced C++ programmer with plenty of experience in systemsand database programming for both Microsoft and Linux platforms.
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Jan 23, 2008
Hi All,
I receive the input file with some 100 columns and some 20k+ rows and I want to check the incoming input row is existed in the database or not based on 2 key columns. If the row is existed then I need to check all the columns (nearly 100 columns) values in input and the database are equal or not. If both are equal I need to treat them seperately if not there is a seperate logic. How Can I do that check for each row and for each column?
Basically the algorithm is like this, if the input file row is not existed in the database then treat that as new row else if the input row is existed in the database then check all the columns are equal or not. If all the columns are equal then treat that as existing row and do nothing else if some columns are not equal then treat this row seperately.
I found some thing to achieve the above thing.
1. Take the input row and check in the database.
2. If the row is not found in the database then treat it as new row.
3. If row is found in the database then
a) Take the source row and prepare a concatenated string for all the columns
b) Take the database row and prepare a concatenated string for all the columns
c) Find out the hash code for the 2 strings and then compare hash codes for equal.
The disadvantage of this is running a loop 2*m*n times where m is the number of rows and n is the number of columns. It should be done 2 times for input file row and database row.
Can anybody suggest a good method to do this?
What does the function "GetHashCode" for InputBuffer in method "Public Overrides Sub Input0_ProcessInputRow(ByVal Row As Input0Buffer)" will do?
Will it generates hash code based on all the columns values?
Pls clarify.
Regards
Venkat.
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Mar 31, 2004
I am using the following plumbing code to search a database column for a keyword. I can't use full-test indexing so I came up w/ this work around. But It has many flaws so I'm looking for a better way. Thx in advance.
'Open sql connection
SqlConnection1.Open()
Dim datareader2 As SqlClient.SqlDataReader
datareader2 = cmdFindRowsWithKeyword.ExecuteReader
Dim strMsg As String
Dim intRowToFlag As Integer
Dim strRowsToGet As String
Dim strKeywordAsTyped As String
Dim strKeywordAllCaps As String
Dim strKeywordAllLower As String
Dim strKeywordFirstLetterCap As String
Dim FirstLetter As String
While datareader2.Read
intRowToFlag = datareader2(0).ToString
strMsg = datareader2(1).ToString
'Assign keyword as typed to variable
strKeywordAsTyped = txtSearchFor.Text
'Assign keyword as typed to variable then convert it to all uppercase
strKeywordAllCaps = txtSearchFor.Text
strKeywordAllCaps = strKeywordAllCaps.ToUpper
'Assign keyword as typed to variable then convert it to all lowercase
strKeywordAllLower = txtSearchFor.Text
strKeywordAllLower = strKeywordAllLower.ToLower
'Assign keyword as typed to variable then convert it so just the first letter is in uppercase
strKeywordFirstLetterCap = txtSearchFor.Text
FirstLetter = strKeywordFirstLetterCap.Chars(0)
FirstLetter = FirstLetter.ToUpper
strKeywordFirstLetterCap = strKeywordFirstLetterCap.Remove(0, 1)
strKeywordFirstLetterCap = strKeywordFirstLetterCap.Insert(0, FirstLetter)
'If the string contains the keyword as typed in all caps all lowercase or w/ the 1st letter in caps then flag that row.
If strMsg.IndexOf(strKeywordAsTyped) <> -1 Or strMsg.IndexOf(strKeywordAllCaps) <> -1 Or strMsg.IndexOf(strKeywordAllLower) <> -1 Or strMsg.IndexOf(strKeywordFirstLetterCap) <> -1 Then
cmdFlagRowsWithKeyword.Parameters("@recid").Value = intRowToFlag
SqlConnection2.Open()
Dim datareader3 As SqlClient.SqlDataReader
datareader3 = cmdFlagRowsWithKeyword.ExecuteReader
datareader3.Close()
SqlConnection2.Close()
End If
End While
datareader2.Close()
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Jan 14, 2008
Hi all,
I put "Northwind" Database in the Database Explorer of my VB 2005 Express and I have created the following stored procedure in the Database Exploror:
--User-defined stored procedure 'InsertCustomer'--
ALTER PROCEDURE dbo.InsertCustomer
(
@CustomerID nchar(5),
@CompanyName nvarchar(40),
@ContactName nvarchar(30),
@ContactTitle nvarchar(30),
@Address nvarchar(60),
@City nvarchar(15),
@Region nvarchar(15),
@PostalCode nvarchar(10),
@Country nvarchar(15),
@Phone nvarchar(24),
@Fax nvarchar(24)
)
AS
INSERT INTO Customers
(
CustomerID,
CompanyName,
ContactName,
ContactTitle,
Address,
City,
Region,
PostalCode,
Country,
Phone,
Fax
)
VALUES
(
@CustomerID,
@CompanyName,
@ContactName,
@ContactTitle,
@Address,
@City,
@Region,
@PostalCode,
@Country,
@Phone,
@Fax
)
=================================================
In my VB 2005 Express, I created a project "KimmelCallNWspWithAdoNet" that had the following code:
--Form_Kimmel.vb--
Imports System.Data
Imports System.Data.SqlClient
Imports System.Data.SqlTypes
Public Class Form_Kimmel
Public Sub InsertCustomer()
Dim connectionString As String = "Integrated Security-SSPI;Persist Security Info=False;" + _
"Initial Catalog=northwind;Data Source=NAB-WK-EN12345"
Dim connection As SqlConnection = New SqlConnection(connectionString)
connection.Open()
Try
Dim command As SqlCommand = New SqlCommand("InsertCustomer", connection)
command.CommandType = CommandType.StoredProcedure
command.Parameters.Add("@CustomerID", "PAULK")
command.Parameters.Add("@CompanyName", "Pauly's Bar")
command.Parameters.Add("@ContactName", "Paul Kimmel")
command.Parameters.Add("@ContactTitle", "The Fat Man")
command.Parameters.Add("@Address", "31025 La Jolla")
command.Parameters.Add("@City", "Inglewoog")
command.Parameters.Add("@Region", "CA")
command.Parameters.Add("@Counrty", "USA")
command.Parameters.Add("@PostalCode", "90425")
command.Parameters.Add("@Phone", "(415) 555-1234")
command.Parameters.Add("@Fax", "(415 555-1235")
Console.WriteLine("Row inserted: " + _
command.ExecuteNonQuery().ToString)
Catch ex As Exception
Console.WriteLine(ex.Message)
Throw
Finally
connection.Close()
End Try
End Sub
End Class
==============================================
I executed the Form_Kimmel.vb and I got no errors. But I did not get the new values insterted in the table "Custermers" of Northwind database. Please help and tell me what I did wrong and how to correct this problem.
Thanks in advance,
Scott Chang
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Jun 14, 2006
I was able to connect to the SQL Database Pension with table clients with table values: ID, State, Name.'Create(connection)Dim conn As New Data.SqlClient.SqlConnection(ConfigurationManager.ConnectionStrings("ConnectionString").ConnectionString)'open connectionconn.Open()However, I'm not sure how to insert a new row with an incremental ID number and a new State and Name.Sorry, I'm really new with VWD.
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Jul 11, 2006
I am using VB and sql server.
What I am wanting to do is add a record to my sql database (the data is coming from textboxes.)
Canning
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Oct 23, 2006
how can i show the values of my database in for example texbox.can u give me some simple code on how to connect to my SQldatabase server express? and how i can retrieve the file?thnx
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Jan 5, 2007
I have written the following lines myConnection = New MySqlConnection("server=" + dbServer + "; user id=" + dbUserID + "; password=" + dbPassword + "; database=" + dbName + "; pooling=false;")
strSQL = "SELECT * FROM user where type=1;"
user table has name, tel, addr, id, type fieldsI would like to know how to use a string array to store the name in the result of strSQL?Thank you
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Apr 15, 2008
Hi guys, I need some help again please.
On my page load, I need the following done...
I have a label control that must display a certain numeric value. This value must be the sum of an array of values that must be retreived from a table ("Details") with the column name "DealValue" but only where the column "ConsultantID" = txtConsultant.text
I understand the select statement, but I don't know how to "run" through the table to add all the values. Can someone please help me with this and how I would construct the MSSql select statement for this.
Thanks again
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Jan 10, 2006
I have two databases, database A and database B
Both have an identical table called "Codes" containing billing numbers and prices.
Database B is one I use for testing, and is out of date. Is there an easy way to load the values from Table_A.codes into Table_B.codes?
I know how to do an update from one table to another within the same database, but am clueless how to do it when the data reside in separate databases.
Thanks in advance.
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Sep 10, 2007
Hi,
There are two tables in my Database, tb1 and tb2 which both have the same attribute ID. I would like to ensure that there is nothing in ID in tb1 which is not listed in ID in tb2, can anyone help?
Thanks for any info.
Albert.
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Jul 28, 2007
Our application has a table, which is populated via ADO.Net from C# with data originating from a C++ COM call. Today I encountered an entry that is C++ code for an undefined value: -1.#IND stored in the database. However, I could only discover what was stored in the table by Casting the value to a varchar -- simply selecting returned an error.
Is this expected behavior or a bug? It does not seem correct that SQL Server should store a value that cannot be displayed. In essence, either the value should not be allowed in the table because it violated the domain or SQL Server ought to have a way to display it with a Select *.
As fas as our application is concerned, we will be masking these values -- initially by ignoring them in the queries and eventually the loading program will convert to null.
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Aug 4, 2006
Building the database I have come across different databases some that add a default value for every field and some that don't. I feel it is a hassle to add a default value, keep track if it is added.
I guess with a default value there would be no "NULL" values in the database but one could also make sure in the C# code that all the fields have a value when inputed and on the way out check for nulls.
What is the right way????
Pros and cons.........
Newbie
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