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nvarchar [ ( n | max) ] Variable-length Unicode string data. n defines the string length and can be a value from 1 through 4,000. max indicates that the maximum storage size is 2^31-1 bytes (2 GB). The storage size, in bytes, is two times the actual length of data entered + 2 bytes
28 wrz 2012 · nvarchar (max) + varchar (n) will first convert the varchar (n) input to nvarchar (n) and then do the concatenation. If the length of the varchar (n) string is greater than 4,000 characters the cast will be to nvarchar (4000) and truncation will occur.
6 cze 2024 · nvarchar [ ( n | max ) ] Variable-size string data. The value of n defines the string size in byte-pairs, and can be from 1 through 4,000. max indicates that the maximum storage size is 2^31-1 characters (2 GB). The storage size is two times n bytes + 2 bytes.
NVARCHAR(max) Code language: SQL (Structured Query Language) (sql) In this syntax, max is the maximum storage size in bytes which is 2^31-1 bytes (2 GB). In general, the actual storage size in bytes of a NVARCHAR value is two times the number of characters entered plus 2 bytes.
21 gru 2023 · The NVARCHAR(Max) data type stores variable-length character strings. NVARCHAR(Max) is used to store very large character data. NVARCHAR(Max) can hold as much as 2GB of Unicode character data.
24 sie 2018 · How Does it Work? VARCHAR can only be 8,000 Characters. Your standard VARCHAR data type can be defined as having a max length of 8,000. For NVARCHAR, the max length of 4,000 (because NVARCHARs can hold half the amount of characters than VARCHARs as it takes twice as much space to store them).
28 cze 2018 · If you need to store a 12,000 character thingy, then use VARCHAR(MAX) because that is what is needed. If you are storing a phone number or postal / zip code, then it would be unwise to use VARCHAR(100), and irresponsible to use VARCHAR(MAX).
