A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be
A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be
Primitive operations common to all record management systems include
Primitive operations common to all record management systems include
If the record management system allows you to edit values before they are recorded on disk, you can
If the record management system allows you to edit values before they are recorded on disk, you can
Updating a database means
Updating a database means
The highest level in the hierarchy of data organization is called
The highest level in the hierarchy of data organization is called
A file produced by a spreadsheet
A file produced by a spreadsheet
Which of the following hardware components is the most important to the operation of a database management system?
Which of the following hardware components is the most important to the operation of a database management system?
A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?
A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?
Which command is used to remove an index from the database in SQL?
Which command is used to remove an index from the database in SQL?
The relational model uses some unfamiliar terminology. A tuple is equivalent to a:
The relational model uses some unfamiliar terminology. A tuple is equivalent to a:
A network schema
A network schema
Which of the following is not a logical data-base 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 dat What does a record in a file contain?
The files stored on a secondary stage device are composed of a hierarchy of dat What does a record in a file contain?
The PROJECT command will create new table that has
The PROJECT command will create new table that has
If a calculation is embedded in a form
If a calculation is embedded in a form
When using a database management system, the first thing that you must do is to
When using a database management system, the first thing that you must do is to
Which command is used to remove a table from the database in SQL?
Which command is used to remove a table from the database in SQL?
In SQL, which command(s) is(are) used to enable/disable all triggers on a table?
In SQL, which command(s) is(are) used to enable/disable all triggers on a table?
The main idea behind computer files is that it is convenient to
The main idea behind computer files is that it is convenient to
Sophisticated report generators can
Sophisticated report generators can
In SQL, which command(s) is(are) used to enable/disable a database trigger?
In SQL, which command(s) is(are) used to enable/disable a database trigger?
If you want to group the records in the abc database, you could use the Jobcode as the _____.
If you want to group the records in the abc database, you could use the Jobcode as the _____.
To have a file hold a list, it is necessary to
To have a file hold a list, it is necessary to
A database management system
A database management system
A number of related records that are treated as a unit is called
A number of related records that are treated as a unit is called
Each of data files has a _____ that describe the way the data is stored in the file
Each of data files has a _____ that describe the way the data is stored in the file
A top-to-bottom relationship among the items in a database is established by a
A top-to-bottom relationship among the items in a database is established by a
The Management Information system (MIS) structure with one main computer system is called a
The Management Information system (MIS) structure with one main computer system is called a
In SQL, which command is used to add new rows to a table?
In SQL, which command is used to add new rows to a table?
When you have finished entering information into a form
When you have finished entering information into a form
The logical data structure with a one-to-many relationship is a :
The logical data structure with a one-to-many relationship is a :
Which of the following is a database administrator's function?
Which of the following is a database administrator's function?
Which of the following is true of a network structure?
Which of the following is true of a network structure?
A report generator is used to
A report generator is used to
What is the name given to the database management system which is able to handle full text data, image data, audio and video?
What is the name given to the database management system which is able to handle full text data, image data, audio and video?
After you _____ a record, many data management the environments require you to issue a command to save the changes you made
After you _____ a record, many data management the environments require you to issue a command to save the changes you made
Which of the following is not a relational database?
Which of the following is not a relational database?
Sort/report generators
Sort/report generators
What is the language used by most of the DBMSs for helping their users to access data?
What is the language used by most of the DBMSs for helping their users to access data?
Periodically adding, changing and deleting file records is called file
Periodically adding, changing and deleting file records is called file
In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction?
In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction?
Data item characteristics that are important in data management include
Data item characteristics that are important in data management include
