computer-science-database-systems Related Question Answers

26. Which command is used to remove a table from the database in SQL?






27. A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?






28. A file produced by a spreadsheet






29. A form defines






30. Which of the following is true of a network structure?






31. In SQL, GRANT command is used to






32. The highest level in the hierarchy of data organization is called






33. The logical data structure with a one-to-many relationship is a :






34. Updating a database means






35. In SQL, which command(s) is(are) used to enable/disable all triggers on a table?






36. When you have finished entering information into a form






37. The main idea behind computer files is that it is convenient to






38. 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






39. In SQL, which command is used to add new rows to a table?






40. A number of related records that are treated as a unit is called






41. If you want to group the records in the abc database, you could use the Jobcode as the _____.






42. The Management Information system (MIS) structure with one main computer system is called a






43. If a calculation is embedded in a form






44. Data security threats include






45. An operation that will increase the length of a list is






46. In SQL, which command is used to add a column/integrity constraint to a table






47. In a relational schema, each tuple is divided into fields called






48. In SQL, which command is used to changes data in a table?






49. What name is given to the collection of facts, items of information or data which are related in some way?






50. In a large DBMS






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