为什么有些字符存不了text类型里面,但存到这个varchar(8000)类型里面又可以?

为什么有些字符存不了text类型里面,但存到这个varchar(8000)类型里面又可以?{\rtf1\ansi\ansicpg936\deff0\deflang1033\deflangfe2052{\fonttbl{\f0\fnil\fcharset134 \'cb\'ce\'cc\'e5;}}
\uc1\pard\lang2052\f0\fs18{\pict\wmetafile8\picw27051\pich85\picwgoal15336\pichgoal48 
010009000003d900000006001c00000000000400000003010800050000000b0200000000050000
000c020d00b609040000002e0118001c000000fb02d4ff00000000000090010000008604000002
cbcecce500000000000000000000000000000000000000000000000000000000040000002d0100
001c000000fb02d4ff0000000000009001000000000440001254696d6573204e657720526f6d61
6e0000000000000000000000000000000000040000002d0101000400000002010100040000002d
010100050000000902000000020d000000320a300065010100040065010000150b0d00201e2500
030000001e0008000000fa0200000900000099ccff00040000002d01020007000000fc02010000
0000000000040000002d010300080000002503020005000400750c040008000000fa0200000000
000000000000040000002d01040007000000fc020000ffffff000000040000002d010500040000
00f0010200040000002701ffff1c000000fb021000070000000000bc0200000086010202225379
7374656d0000000000009b99807c60360a0c106d0b0c78340a0c24d98239040000002d01020003
0000000000
}}如果把以上字符存入Text类型中,因为Vachar(8000)不够用.