varchar

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varchar(max) + linq to sql

I\'ve got a varchar(max) column I\'m trying to read but the field is being truncated at 4,000 characters.I\'ve seen similar questions, but they are on the sql side.[详细]

2023-01-17 16:25 分类：问答
Oracle BLOB vs VARCHAR

I need to store a (large) SQL query in a column of a table and I thought using a BLOB field. To be clear, I want to sto开发者_C百科re the query, not its result.[详细]

2023-01-16 03:22 分类：问答
Varchar for UTF-8?

I found a similar post about this but still not sure. As I am making my guestbook and so forth multi-language I changed the collation to uft8_unicode_ci in mysql, everything works as it should, somet[详细]

2023-01-14 16:27 分类：问答
Index for a VARCHAR field with a 384 length in a MySQL database

I have a varchar(384) to store emails in a MyISAM table and I want check when the email exists 开发者_Python百科but the index length limit is 333 bytes (because I\'m using utf8 (1000 bytes/3 bytes)).[详细]

2023-01-12 23:10 分类：问答
ADO.NET + Sql Server Varchar encoding problem

Put simply, I have a set of special开发者_高级运维 characters in a Sql Server database varchar column, and I want to fetch it from a C# application.[详细]

2023-01-12 07:20 分类：问答
Is "VARCHAR(255) CHARACTER SET utf8" 255 bytes or 255 characters

I\'ve declared a field in my INNODB/MySQL tableas VARCHAR(255) CHARACTER SET utf8 NOT NULL however when inserting my data is truncated at 255 bytes not characters. This[详细]

2023-01-11 19:46 分类：问答
How does this not make varchar2 inefficient?

Supp开发者_StackOverflowose I have a table with a column name varchar(20), and I store a row with name = \"abcdef\".[详细]

2023-01-11 05:54 分类：问答
Does anyone have considerable proof that CHAR is faster than VARCHAR?

Any benchmark, graph anything at all ? Its all academic and theoretical across the web. Ok its not the first time that this question has been asked, they all say that using CHAR results in faster se[详细]

2023-01-10 01:08 分类：问答
Why does VARCHAR need length specification?

Why do we always need to specify VARCHAR(length) inste开发者_Python百科ad of just VARCHAR? It is dynamic anyway.[详细]

2023-01-05 04:21 分类：问答
What is the Varchar(Max) equivalent for DB2?

In DB2, is there a datatype that allows the string to grow and shrink dynamically l开发者_开发百科ike the Varchar(Max) datatype in SQL Server database?No, according to this and this, DB2 doesn\'t have[详细]

2023-01-01 13:50 分类：问答