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Char(100) field VS Text
Message
 
To
19/04/2012 09:59:12
General information
Forum:
Microsoft SQL Server
Category:
Other
Environment versions
SQL Server:
SQL Server 2008
Application:
Web
Miscellaneous
Thread ID:
01542085
Message ID:
01542099
Views:
36
>>Nvarchar uses as many chars as enetered.
>>Char uses as many chars as defined in table design.
>>Text field uses different place for storage (If I remember well).
>>
>>So, NVARCHAR is good when you have to store text with very different lengths. This is good for disk space and for better paging of the DB.
>>CHAR is better when you have to store a text with almost the same length. That improve speed.
>
>Also, one has to keep in mind that Char is indexable and doesn't require full text indexing to be optimized. IAC, full text indexing will never be as powerful as a regular index, when comes time to search for everything starting with.

Maybe I'm not reading what you're saying right, but Varchar and nVarchar are indexable w/o full text indexing. Searching for things starting with whatever works fine on varchar and nvarchar.

I use varchar for pretty much anything that isn't a constant length.

>
>>Text I dodn't event want to comment :-). That is like MEMO field in VFP.
>>I'm not sure if this type still exists in SQL Server 2012.
>>MS warned that "ntext, text, and image data types will be removed in a future version of Microsoft SQL Server".
>
>Yes, but only a small adjustment in the database when time will come.
>
>Thanks for the feedback
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