Test your basic knowledge |

Database Fundamentals

Subject : it-skills
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The SQL command that is used to change the structure of a table






2. A database has integrity if the data in it satisfies all established integrity constraints






3. The individual who is responsible for a database or the head of database administration






4. The most common form of a join






5. A combination of criteria in which at least on the criteria must be true






6. What type of an operator is >= ?






7. An index built on a single field






8. The portion of the system catalog the contains column information






9. A query that deletes all records that satisfy some criterion






10. The process of determining the content and structure of data in a database in order to support some activity on behalf of a user or group of users






11. A delete option in which related records are automatically deleted






12. A structure that can store information about multiple types of entities - the attributes of these entities and the relationships among those entities






13. The area of memory in MySQL that stores the most recently entered command






14. The field on which data are sorted






15. The part of an SQL SELECT command that indicates grouping






16. The process of creating collections of records that share some common characteristics






17. A question the answer to which is found in the database






18. The relational algebra command for performing the difference of two tables






19. The plural of Criterion






20. The portion of the Query Design window in Access where you enter fields or criteria or sort orders and so on






21. A file used to store data about a single entity. Such a file can be thought of as a table.






22. A structure that satisfies the properties required to be a relation with the exception of allowing repeating groups






23. Duplication of data or the storing of the same data in more than one place.






24. When comparing tables the set of all rows that are in the first table but that are not in the second table






25. A function used to calculate the number of entries and the sum or average of all the entries in a given column or the largest or smallest of the entries in a given column






26. Two simple criteria in a query the are combined with the AND or OR operators






27. A person or place or object or event or idea for which you want to store and process data






28. The SQL command that drops (deletes) a table from a database






29. A minimal collection of columns (attributes) in a table on which all columns are functionally dependent and that is chosen as the main direct-access vehicle to individual rows.






30. A rule in Access that data entered in a field must satisfy






31. An update option in which related records are automatically updated






32. In relational algebra the operation in which two tables are connected on the basis of common data.






33. A combination of two tables consisting of all records that are in either table






34. The individual or group that is responsible for a database






35. The form of a join in which all records appear - even if they don't match






36. A characteristic or property of an entity






37. More than one entry at a single location in a table






38. An association between entities






39. A computer that provides services to the clients in a client/server system






40. The relational algebra command that combines tables and searches for rows in the first table that match all rows in the second table






41. The part of an SQL SELECT command that restricts the groups to be displayed






42. A Characteristic or property of an entity






43. The query that is used to define the structure of a viewk






44. The process of creating collections of records that share some common characteristics






45. A two-dimensional table-style collection of data in which all entries are single-valued - each column has a distinct name and all the values in a column are values of the attribute that is identified by the column name - and the order of the columns






46. Two simple criteria in a query the are combined with the AND or OR operators






47. The part of an SQL SELECT command that indicates the tables in the query






48. A statement the can be either true or false. Also called a condition






49. A source of data - usually stored in hidden database tables - about the types of entities or attributes and relationships in a database






50. The field or fields on which an index is built







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests



Major Subjects

Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Browse all subjects

Browse all tests

Most popular tests