1數(shù)據(jù)庫管理系統(tǒng)的介紹.doc
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1數(shù)據(jù)庫管理系統(tǒng)的介紹,數(shù)據(jù)庫管理系統(tǒng)的介紹raghu ramakrishnan[ database management systems( 3th edition ),wiley ,2004, 5-12] 數(shù)據(jù)庫（database,有時拼作data base）又稱為電子數(shù)據(jù)庫，是專門組織起來的一組數(shù)據(jù)或信息，其目的是為了便于計算機快速查...
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數(shù)據(jù)庫管理系統(tǒng)的介紹
Raghu Ramakrishnan[ Database Management Systems( 3th Edition ),Wiley ,2004, 5-12
]
數(shù)據(jù)庫（database,有時拼作data base）又稱為電子數(shù)據(jù)庫，是專門組織起來的一組數(shù)據(jù)或信息，其目的是為了便于計算機快速查詢及檢索。數(shù)據(jù)庫的結構是專門設計的，在各種數(shù)據(jù)處理操作命令的支持下，可以簡化數(shù)據(jù)的存儲，檢索，修改和刪除。數(shù)據(jù)庫可以存儲在磁盤，磁帶，光盤或其他輔助存儲設備上。
Database Management Systems( 3th Edition ),Wiley ,2004, 5-12
A introduction to Database Management System
Raghu Ramakrishnan
A database (sometimes spelled data base) is also called an electronic database , referring to any collection of data, or information, that is specially organized for rapid search and retrieva l by a computer. Databases are structured to facilitate the storage, retrieva l , modification, and deletion of data in conjunction with various data-processing operations .Databases can be stored on magnetic disk or tape, optical disk, or some other secondary storage device.
Raghu Ramakrishnan[ Database Management Systems( 3th Edition ),Wiley ,2004, 5-12
]
數(shù)據(jù)庫（database,有時拼作data base）又稱為電子數(shù)據(jù)庫，是專門組織起來的一組數(shù)據(jù)或信息，其目的是為了便于計算機快速查詢及檢索。數(shù)據(jù)庫的結構是專門設計的，在各種數(shù)據(jù)處理操作命令的支持下，可以簡化數(shù)據(jù)的存儲，檢索，修改和刪除。數(shù)據(jù)庫可以存儲在磁盤，磁帶，光盤或其他輔助存儲設備上。
Database Management Systems( 3th Edition ),Wiley ,2004, 5-12
A introduction to Database Management System
Raghu Ramakrishnan
A database (sometimes spelled data base) is also called an electronic database , referring to any collection of data, or information, that is specially organized for rapid search and retrieva l by a computer. Databases are structured to facilitate the storage, retrieva l , modification, and deletion of data in conjunction with various data-processing operations .Databases can be stored on magnetic disk or tape, optical disk, or some other secondary storage device.
