To protect data, you need to implement a data () and recovery plan.
A、modify
B、backup
C、delete
D、All above
第1题
( ) is a database management system from Microsoft, packaged with Microsoft Office.
A、Microsoft SQL Server
B、DB2
C、Microsoft Access
D、Informix
第2题
Database management system(DBMS) programs are designed to work with data that is logically structured or arranged in a particular way, known as ( ).
A、data model
B、database
C、information
D、data
第4题
( ) is a compiled object-oriented programming language used to write applets.
A、C
B、C++
C、JavaScript
D、Java
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