Figure 10-4 As shown in Figure 10-4, SQLs have a graphical user interface that assists users with retrieving data.
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Q92: In a relational database, users can set
Q93: Each higher level of data consists of
Q94: Each record in a data file contains
Q95: The data in a key field is
Q96: Individual groups or departments often extract data
Q98: To ensure that data is accessible on
Q99: In a rollforward , the DBMS uses
Q100: Data redundancy decreases the chance of errors.
Q101: A common reason to change a record
Q102: A database includes a group of related
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