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移动平台数据库几个数据类型大小限制

Data type EDB CEDB SQL Server CE 2.0
CEVT_BLOB 8,000 bytes 64 KB 1.07 GB
CEVT_LPWSTR 4,000 characters 64 KB Maps to nchar/nvarchar
CEVT_STREAM 32 MB (one-half of the maximum volume size) Not supported Maps to image/ntext