varchar

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SQL Server GUID to VarChar(36) or Char(36)?

I am replacing some GUID column types, since I need to do some Group By work in MSSQL 2008. I was about to change the types to Char(36) since I know the exact size of the value, but after Googling a b[详细]

2023-02-27 00:59 分类：问答
Is there a way to dumb down text from Unicode to ASCII?

What I need is something like, for each ASCII character, a list of equivalent Unicode c开发者_Python百科haracters.[详细]

2023-02-25 02:52 分类：问答
How to sort movie names (varchar) that contain sequel numbers correctly? [duplicate]

This question already has answers here: 开发者_StackOverflow中文版 Natural Sort in MySQL (22 answers)[详细]

2023-02-15 20:02 分类：问答
char and nchar charactersets

Ok, referencing What is the difference between char, nchar, varchar, and nvarchar in SQL Server? it tells me that nchar and nvarchar can sto开发者_开发知识库re UNICODE. So what can be used in CHAR an[详细]

2023-02-14 14:06 分类：问答
MySQL varchar(2000) vs text?

I need to store on average a paragraph of text, which would be about ~800 characters in the database. In some rare cases it may go up to 2000-2500~ characters. I\'ve read the manual and I know there a[详细]

2023-02-12 06:44 分类：问答
Using PHP's odbc to grab a varchar(max) column

I\'m putting together a PHP website for a class project, and we 开发者_运维知识库are using a MS SQL Server 2008 database to populate fields on the site. However, one of the fields is outputting garbag[详细]

2023-02-09 23:20 分类：问答
Which is the correct text datatype to use in MySQL?

There\'s VARCHAR, CHAR, TEXT, BIGTEXT, BLOB... Which is the correct datatype to use when storing small 开发者_如何学JAVAtext fields (ie. something like first_name)?I usually go with VARCHAR for most[详细]

2023-02-09 06:20 分类：问答
Use varchar or text for a dynamic field in mysql?

I am building a table that will receive different values in a field, think of a log table that the \"value\" field can be a number, a tiny string or a big text etc.[详细]

2023-02-07 11:44 分类：问答
Difference between text and varchar (character varying)

What\'s the difference between the text data type and the character varying (varchar) data types? According to the documentation[详细]

2023-02-07 10:15 分类：问答
How do you know when to use varchar and when to use text in sql?

It seems like a very arbitrary d开发者_运维问答ecision. Both can accomplish the same thing in most cases.[详细]

2023-02-04 19:17 分类：问答