nvarchar

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SQL 2005 nvarchar(max) problem

I have the following in a stored procedure: DECLARE @TSQL NVARCHAR(MAX) SET @TSQL = N\'.....\' Which contains about 33000 characters of text[详细]

2023-01-30 06:14 分类：问答
Oracle Text will not work with NVARCHAR2. What else might be unavailable?

We are going to migrate an application to have it support Unicode and have to choose between unicode character set for the whole database, or unicode columns stored in N[VAR]CHAR2.[详细]

2023-01-29 23:40 分类：问答
SQL performance: Is there any performance hit using NVarchar(MAX) instead of NVarChar(200)

I am wondering if there is any disadvantage on defining a column of type nvarchar(max) instead of giving it a (smaller) maximum size.[详细]

2023-01-29 12:28 分类：问答
Selecting not null column

I have a table with varbinary(max) column and nvarchar(max) column. One of them is null and the other has a value.[详细]

2023-01-21 12:54 分类：问答
Is there a way to get SQL Server to automatically do selects on hash values of nvarchar fields?

I\'m not sure how to better phrase this question so it\'s possible I missed a previously asked question. Feel free to close this and point me to the correct one if it exists.[详细]

2023-01-21 10:31 分类：问答
What's the SQL national character (NCHAR) datatype really for?

As well as CHAR (CHARACTER) and VARCHAR (CHARACTER VARYING), SQL offers an NCHAR (NATIONAL CHARACTER) and NVARCHAR (NATIONAL CHARACTER VARYING) type. In some databases, this is the better datatype to[详细]

2023-01-19 12:59 分类：问答
nvarchar concatenation problem

I am probably trying to do a simple thing after dealing with all the hard stuff but seems like this is giving me a headache. I am trying to concatenate text into variable @strXml which is an nvarchar[详细]

2023-01-10 05:53 分类：问答
A ideal data type for long utf8 strings in mysql

Is it true that VARCHAR type in mysql only suppory 255 characters data length? if it is开发者_开发问答 true what kind of datatype for UTF8 strings is useful for long texts? I\'m using utf8_persian_ci[详细]

2023-01-09 15:36 分类：问答
Weird SQL Server 2005 Collation difference between varchar() and nvarchar()

Can someone please explain this: SELECT CASE WHEN CAST(\'iX\' AS nvarchar(20)) > CAST(\'-X\' AS nvarchar(20)) THEN 1 ELSE 0 END,[详细]

2023-01-03 13:31 分类：问答
What is the performance penalty of XML data type in SQL Server when compared to NVARCHAR(MAX)?

I have a database that is going to keep log entries. One of the columns in the log table contains serialized (to XML) objects and a guy on my team proposed to go with XML data type rather than NVARCH[详细]

2022-12-31 08:43 分类：问答