ATTACHDATABASE命令对于在sqlite数据库文件之间传输行很有用，并允许您跨数据库连接表中的行例如$sqlite3BookLoansDB.sqlitesqlite>ATTACHDATABASE'/Users/.../Documents/BooksDB.sqlite'ASbooks_db;sqlite>selectB.BookName,B.Pages,BL.LentTofrommain.tblBookLoanBLinnerjoinbooks_db.tblBookBonB.BookID=BL.BookID;TheClient|512|JennyThePelicanBrief|4
