Dec 11, 2009 · What's the difference between VARCHAR and CHAR in MySQL? I am trying to store MD5 hashes.

27 The main difference between Varchar(n) and nvarchar(n) is: Varchar ( Variable-length, non-Unicode character data) size is upto 8000. It is a variable length data type Used to store non …

Jun 27, 2013 · varchar [(n | max)] (character varying) Variable-length, non-Unicode string data. n defines the string length and can be a value from 1 through 8,000. max indicates that the …

Nov 11, 2009 · What is the meaning of varchar(-1) in SQL Server 2008? Is it an alternative for varchar(max)?

Jul 23, 2009 · VARCHAR is reserved by Oracle to support distinction between NULL and an empty string in the future, as ANSI standard prescribes. VARCHAR2 does not distinguish …

I have variable length character data and want to store in SQL Server (2005) database. I want to learn some best practices about how to choose TEXT SQL type or choose VARCHAR SQL …

Aug 14, 2014 · When we create a table in MySQL with a VARCHAR column, we have to set the length for it. But for TEXT type we don't have to provide the length. What are the differences …

Aug 12, 2009 · Possible values are 1-255. But what are its advantages if you use VARCHAR (255) that is the maximum instead of VARCHAR (20)? As far as I know, the size of the entries …

1 char and varchar actually becomes irrelevant if you have just 1 variable length field in your table, like a varchar or text. Mysql will automatically change all char to varchar. The fixed length/size …

At any time in the past, if someone had asked me the maximum size for a varchar(max), I'd have said 2GB, or looked up a more exact figure (2^31-1, or 2147483647). However, in some …