SQL Server 2008 :: Cannot Drop Table With Non-Printable Character On Its Name

Sep 21, 2015

I have a legacy table which name contains non-printable characters (CHAR(31), to be more specific). The non-printable character is beside a underscore, and I've discovered that the shortcut CTRL+SHIFT+_ shoots the CHAR(31) character (which means "US" - Unit Separator). The previous developer should've hit by mistake this combination, and created the table with this weird character on it.

When we issue a SELECT command against the table, it returns results. But when we try to issue any DDL to it (DROP, sp_rename, etc), it simply doesn't work.

Examples:
DROP Table_Name; raises "Msg 15225 - No item by the name of 'Table_Name' could be found in the current database 'MyDB', given that @itemtype was input as '(null)'".
sp_rename 'Table_Name', 'NewTableName'; raises "Msg 102 - Incorrect syntax near '_Name'".

I already duplicated the table with the correct name, and have corrected it on the referenced objects (SP's, Views etc). The remaining step is just dropping it from the database. when we copy+paste from SQL Server to Notepad++, it shows the hidden chacacter ("US") on the middle of the table name, beside the underscore.

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Mar 25, 2015

The following was found as a solution to detecting non-printable characters in a string. I can find no explanation of how the COLLATE function is used.

how the COLLATE function affects the search string to find the non-printable characters?

patindex('%[^ !-~]%' COLLATE Latin1_General_BIN, titlel) as [Position]

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Feb 1, 2015

i need result from '(1000/3)+(15/100)'. try exec() by failed.

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Mar 24, 2015

I am trying to figure out how I can find the names of people who have a double occurrence or more of characters either in their first name or last name.

This is for a data cleanup.

CREATE TABLE #Names ( FIRSTNAME VARCHAR (20), LASTNAME VARCHAR (20))
INSERT INTO #Names VALUES
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,('Mike', 'SSmith')
,('TtTony', 'Hawk')
,('Jeff', 'Smith')
,('ZZSara', 'Jones')
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,('Lily', 'PPadZZZ')

SELECT * FROM #Names
DROP TABLE #Names

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Mar 25, 2015

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IF OBJECT_ID('MyCustomFunction') IS NULL
DROP FUNCTION MyCustomFunction
GO
CREATE FUNCTION MyCustomFunction...

But is there a more elegant way to do this? For example, instead of dropping and recreating the function, is there a way to simply exit from the script and do nothing if the function already exists? Something like this:

IF OBJECT_ID('MyCustomFunction') IS NULL RETURN
GO
CREATE FUNCTION MyCustomFunction...

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May 31, 2015

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reserved: 42329064
data: 16272288
index: 26050032
unused: 6744

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<Items>
<Item Id="1">ABC</Item>
<Item Id="2">DEF</Item>
<Item Id="3">GHI</Item>
<Item Id="4">JKL</Item>
<Item Id="5">MNO</Item>

[code]....

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Sep 1, 2015

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Read Chinese Character From SQL(SQL Server 2005) Database Table Column And Display Chinese Character

Feb 1, 2008

Hi!

I have a table like this below and it doesn't only contain English Names but it also contain Chinese Name.
CREATE TABLE Names
(FirstName NVARCHAR (50),
LastName NVARCHAR (50));
I tried to view the column using SQL Query Analyzer, It didn't display Chinese Character.
I know that SQL Server 2005 is using UCS-2 Encoding and Chinese Character uses Double Byte Character Set (DBCS) Encoding.
I want to read the FirstName and LastName columns and display in Window Form Data Grid and ASP.NET Grid View.
I tried to use this code below and it didn't work. It convert some of the English Name to Chinese Character and it display the chinese character and some still in the original unreadable characters.
Does anybody know how to read those character from SQL Table and display the correct Chinese Character without converting the English Name into Chinese also?
Thanks

int codePage = 950;
StringBuilder message = new StringBuilder();
Encoding targetEncoding = Encoding.GetEncoding(codePage);
byte[] encodedChars= targetEncoding.GetBytes(str);
.
message.AppendLine("Byte representation of '" + str + "' in Code Page '" + codePage + "':");
for (int i = 0; i < encodedChars.Length; i++)
{
message.Append("Byte " + i + ": " + encodedChars);
}

message.AppendLine(" RESULT : " + System.Text.Encoding.Unicode.GetString(encodedChars));
Console.Writeline(message.ToString());

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Oct 9, 2006

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Feb 16, 2008

Dear Friends
I need ur help.
I have a database in sql server 2000 (running in windows 2003).
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please tell me how can database drop all table silently.
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[Code] ....

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IF OBJECT_ID (N'M020_Vendor', N'U') IS NOT NULL
DROP TABLE M020_Vendor
GO
SET ANSI_NULLS ON
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Feb 23, 2015

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-------------------------------------------- ----------
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Mar 13, 2015

Here is the sample data for table.

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insert into #sample (emp,data1,data2,rdate)
values('john','','',getdate())

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[Code] ...

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Before the update :

empdata1data2Rdate
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After the update:

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john3/12/2015
tony3/12/2015
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tonyab3/11/2015

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May 26, 2015

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Nov 21, 2006

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May 18, 2015

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select , CONVERT(DATE,Getdate()) as Date, LTRIM(RTRIM(div_Code)),
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Feb 18, 2015

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SELECT
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Dec 31, 2011

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Feb 13, 2015

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Feb 22, 2015

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I've recorded the space used by this table by recording EXEC sp_spaceused 'tableName'

---
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