Database Systems Questions

• Each of data files has a _____ that describe the way the data is stored in the file.
• Which of the following is true of a network structure?
• Which of the following is not a logical data-base structure?
• The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain?
• A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?
• A form defines
• When using a database management system, the first thing that you must do is to
• In SQL, which command(s) is(are) used to enable/disable a database trigger?
• After you _____ a record, many data management the environments require you to issue a command to save the changes you made.
• Primitive operations common to all record management systems include
• Sort/report generators
• In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent.
• In SQL, which command is used to add new rows to a table?
• In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction?
• The highest level in the hierarchy of data organization is called
• A network schema
• If you want to group the records in the abc database, you could use the Jobcode as the _____.
• In SQL, which command(s) is(are) used to enable/disable all triggers on a table?
• What is the name given to the database management system which is able to handle full text data, image data, audio and video?
• A number of related records that are treated as a unit is called