sql server nvarchar max size

This article describes in detail the performance and space occupied by varchar (n) and nvarchar (n) in SQL. For more information, see. This article describes in detail the performance and space occupied by varchar (n) and nvarchar (n) in SQL. For

Ext.: http://blog.csdn.net/jackychu/article/details/4183118Http://www.cnblogs.com/jhxk/articles/1633578.htmlMany developers in the database design often do not have much to consider char, varchar type, some do not pay attention to, because the

How to explain N in varchar (N) and nvarchar (n:　　Nvarchar (n) can store up to nCharacter, Does not distinguish between Chinese and English.　　Varchar (n) can store up to n Bytes, A Chinese character is two bytes. Space occupied:A single nvarchar (n)

In SQL Server, when we set character fields, there are often a number of data types for us to choose from, such as: char nchar varchar nvarchar, then we should choose which one? Here's a Yi Yilai description of the difference. char: fixed length,

After so many years of mixing in the forum, we have seen an obvious trend: more and more netizens are using VFP and SQL server for the system. Many people are concerned about how to operate or manage SQL Server from VFP. You can use views, SPT, or

In SQL Server, when we set character fields, there are often many data types for us to choose from, such as char nchar varchar nvarchar. Which one should we choose? The differences are described one by one. Char:Fixed Length, non-Unicode character

Server SQL Server 2000 Log shipping Function-settings (1) The log shipping feature automatically copies the transaction log file for the database and is saved to another database in the standby server (standby server). Therefore, the availability

The char type in the database is used to store fixed-length strings. The efficiency is slightly higher than that of varchar. However, it consumes more space than varchar. For example, if you store the string "ABC", for char (20), it means that the

I squatted in the garden every day to see others. I haven't written any new articles for a long time ~~ Let's not throw bricks! To put it bluntly, when my colleague helped the customer record data the day before yesterday, he found that one person's

The string "abc", for Char (20), means that the characters you store will account for 20 bytes (including 17 null characters), while the same VARCHAR2 (20) occupies only 3 bytes of length, 20 is the maximum value, and when you store characters less