The command used to delete a particular column in a relation is ____________

  1. Home

Question:
The command used to delete a particular column in a relation is ____________

1.UPDATE TABLE

2.TRUNCATE COLUMN

3.ALTER , DROP

4.DELETE COLUMN

Posted Date:-2021-08-04 01:35:32

More MCQS Questions and answers

  1. A data dictionary is a repository that manages _____
  2. A database language used for defining the whole databasestructureand schema is called :
  3. DCL provides commands to performactionslike
  4. If we want define style for an unique element, then which css selector will we use ?
  5. If we want to show an Arrow as cursor, then which value we will use ?
  6. If we want to use a nice looking green dotted border around an image, which css property will we use?
  7. If we want to wrap a block of text around an image, which css property will we use ?
  8. In a database Table, the each category of information Is called __________
  9. In which state one gathers and list all the necessary fields for the database design project.
  10. It is used to establish an association between related tables.
  11. Suppose we want to arragnge five nos. of DIVs so that DIV4 is placed above DIV1. Now, which css property will we use to control the order of stack?
  12. The command used to delete a particular column in a relation is ____________
  13. The COUNT function in SQL returns the number of ______________
  14. The database language that allows us to access data in a database is called :
  15. The overall description of a database is called______.
  16. The SQL used by front-end application programs to request data from the DBMS is called _______
  17. The third stage of designing a database is when we create___________ between tables
  18. This key that uniquely identifies each record is called :
  19. Two tables can be linked with relationship to _____
  20. What are the different view to present a Table ?
  21. What do you mean by one to many relationship between Teacher and Class table?
  22. What is the full form of DDL ?
  23. What should be the table width, so that the width of a table adjust to the current width of the browser window?
  24. When we write <img src="img.png">, what "img.png" inside double quote implies?
  25. Which attribute can be added to many HTML / XHTML elements to identify them as a member of a specific group ?
  26. Which data manipulation command is used to combines the records from one or more tables?
  27. Which data type allows alphanumeric characters and special symbols to be entered?
  28. Which data type can store unstructured data in a column?
  29. Which database object is ideal to view, change, andanalyze datain different ways ?
  30. Which element is used in the <HEAD> section on an HTML / XHTMLpage, if we want to use an external style sheet file to decorate the page ?
  31. Which function is used to divides one numeric expression by another and get the remainder ?
  32. Which name must be unique within a database ?
  33. Which of the following enables us to view data from a table based on a specific criterion
  34. Which of the following fields has width of 8 bytes?
  35. Which of the following is a comparison operator in SQL?
  36. Which of the following is a legal expression in SQL?
  37. Which of the following is not a database model
  38. which of the following is not a database object?
  39. Which of the following is not a valid SQL type?
  40. Which of the following operations requires the relations to be union compatible?
  41. Which of the following properties will we use to display border around a cell without any content ?
  42. Which operator is used to compare a value to a specified list of values?
  43. Which statement in SQL allows us to change the definition of a table is?
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!