class 7 chapter 8



1. What is a Query and Types of Query in MS Access?

Definition:
A Query is used to retrieve specific data from one or more tables in a database. It helps to filter, sort, and analyze data easily.

Types of Queries in MS Access:

  1. Select Query – Used to display data based on certain conditions.

  2. Action Query – Used to change data (Update, Delete, Append, or Make-Table).

  3. Parameter Query – Asks the user for input (like a search term) before showing results.

  4. Crosstab Query – Used to summarize and analyze data in table format.

  5. SQL Query – Used to write queries directly using SQL commands.


2. Steps to Create the First Query in MS Access

  1. Open MS Access and open your database.

  2. Click on the Create tab.

  3. Select Query Design.

  4. Choose the table(s) you want to use and click Add, then Close.

  5. In the design grid, add the fields you want to display.

  6. In the Criteria row, type the condition (e.g., >50 or "India").

  7. Click on the Run button (red exclamation mark) to view the result.

  8. Save the query with a suitable name.


3. Query Operations with SQL Examples

Operation Description SQL Example
Select Display specific records SELECT * FROM Students;
Where Set a condition SELECT * FROM Students WHERE Age > 12;
Order By Sort the records SELECT * FROM Students ORDER BY Name;
Insert Add new record INSERT INTO Students VALUES (101, 'Rita', 13);
Update Change existing record UPDATE Students SET Age = 14 WHERE Name='Rita';
Delete Remove record DELETE FROM Students WHERE RollNo=101;

4. Steps to Create a Form in MS Access

  1. Open your database in MS Access.

  2. Go to the Create tab.

  3. Click on Form Wizard or Form Design.

  4. Choose the table or query for which you want to create a form.

  5. Select the fields you want to include.

  6. Click Next, then choose the layout and style.

  7. Click Finish to see your form.


5. Steps to Create a Form (Simple Method)

  1. Open MS Access.

  2. Click the Create tab.

  3. Select a Table from the left pane.

  4. Click Form under the Create tab.

  5. The form will automatically be created showing all fields.

  6. Save the form with a name (e.g., “Student Form”).


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