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JSS3: COMPUTER STUDIES - 1ST TERM

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  1. Computer Career Opportunities | Week 1
    5 Topics
    |
    1 Quiz
  2. Computer Viruses I | Week 2
    7 Topics
    |
    1 Quiz
  3. Computer Viruses II | Week 3
    7 Topics
    |
    1 Quiz
  4. Introduction To The Internet | Week 4
    4 Topics
    |
    1 Quiz
  5. Internet Terminologies | Week 5
    4 Topics
    |
    1 Quiz
  6. The Concept of Digital Divide | Week 6
    5 Topics
    |
    1 Quiz
  7. Database Concept, Definition And Terminologies | Week 7
    4 Topics
    |
    1 Quiz
  8. Database II | Week 8
    3 Topics
    |
    1 Quiz
  9. Database III | Week 9
    13 Topics
    |
    1 Quiz



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Access attempts to assign the correct data type to each column. You can view the assignment made by access and then make changes. An Index speeds up Access’s ability to search a column. You can use the indexed field to assign an index.

You can let Access assign the primary key, choose the primary key yourself, or have no primary key by selecting the correct option on this page.

  1. Click to choose the proper radio button. If you want Access to add the primary key, click Let access Add Primary key. If you want to add the primary key, click Choose My Own Primary Key and then click the down-arrow and select the field you want to use as the key field. If you do not want to add a primary key, click No Primary key.
  2. Click Next. Access moves to the next page.

Steps In Deleting Columns In Access

  1. Click and drag to select the columns you want to delete
  2. Activate the Datasheet tab
  3. Click Delete in the Fields and Columns group. A prompt appears.
  4. Click Yes. Access deletes the columns you selected.

Steps In Inserting A Column In Access

The Insert option inserts a column before the selected column.

  1. Click the column head of the column before which you want to insert a column.
  2. Activate the Datasheet tab
  3. Click Insert in the Fields and Columns group. Access inserts a new column.
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