About Me
MOS Access Associate (Office 365 and Office 2019)
1 Introduction to Microsoft Access
1-1 Overview of Microsoft Access
1-2 Understanding the Access interface
1-3 Navigating the Ribbon and Backstage view
1-4 Customizing the Quick Access Toolbar
1-5 Using the Tell Me feature
2 Creating and Managing Databases
2-1 Creating a new database
2-2 Opening and closing databases
2-3 Saving and backing up databases
2-4 Converting databases between file formats
2-5 Managing database properties
3 Designing Tables
3-1 Understanding table structure
3-2 Creating tables using table design view
3-3 Defining field properties
3-4 Setting primary keys
3-5 Creating relationships between tables
3-6 Enforcing referential integrity
3-7 Using lookup fields
4 Entering and Managing Data
4-1 Entering data into tables
4-2 Editing and deleting records
4-3 Using data entry forms
4-4 Sorting and filtering data
4-5 Using validation rules and messages
4-6 Importing and exporting data
5 Creating and Customizing Forms
5-1 Understanding forms
5-2 Creating forms using the Form Wizard
5-3 Customizing form layout
5-4 Adding controls to forms
5-5 Setting control properties
5-6 Using form views (Form View, Layout View, Design View)
5-7 Creating subforms
6 Creating and Customizing Reports
6-1 Understanding reports
6-2 Creating reports using the Report Wizard
6-3 Customizing report layout
6-4 Adding controls to reports
6-5 Setting control properties
6-6 Using report views (Report View, Layout View, Design View)
6-7 Grouping and summarizing data in reports
6-8 Printing and exporting reports
7 Querying Data
7-1 Understanding queries
7-2 Creating queries using the Query Wizard
7-3 Using query design view
7-4 Adding fields to queries
7-5 Using criteria and operators
7-6 Sorting and grouping query results
7-7 Creating calculated fields
7-8 Using aggregate functions
7-9 Creating and using parameter queries
7-10 Creating and using crosstab queries
8 Macros and Automation
8-1 Understanding macros
8-2 Creating and editing macros
8-3 Using macro actions
8-4 Assigning macros to events
8-5 Debugging macros
8-6 Understanding VBA (Visual Basic for Applications)
8-7 Writing simple VBA procedures
9 Securing and Sharing Databases
9-1 Setting database passwords
9-2 Encrypting databases
9-3 Managing user-level security
9-4 Sharing databases with others
9-5 Using SharePoint and OneDrive for data storage
9-6 Collaborating with others in real-time
10 Maintaining and Optimizing Databases
10-1 Compact and repair databases
10-2 Analyzing and optimizing database performance
10-3 Using the Database Documenter
10-4 Managing database objects
10-5 Backing up and restoring databases
10-6 Migrating databases to newer versions of Access
Querying Data in Microsoft Access

Querying Data in Microsoft Access

Key Concepts

Querying data in Microsoft Access involves understanding the following key concepts:

Queries

Queries are the primary tool for retrieving and manipulating data in Microsoft Access. They allow you to ask specific questions about your data and get answers in the form of a table. Queries can be used to filter, sort, and summarize data from one or more tables.

Example: A query might be used to find all customers who have made a purchase in the last month.

Query Types

There are several types of queries in Access, each serving a different purpose:

Example: A select query might retrieve all orders placed by a specific customer, while an action query could update the status of those orders.

Query Design View

Query Design View is the interface where you create and modify queries. It allows you to visually design queries by selecting fields, setting criteria, and specifying sorting and grouping options. Query Design View is accessible from the Create tab.

Example: In Query Design View, you can drag and drop fields from tables into the query grid, set criteria for filtering data, and specify how the data should be sorted.

Criteria

Criteria are conditions that filter the data returned by a query. They allow you to specify exactly what data you want to retrieve. Criteria can be based on text, numbers, dates, or logical operators.

Example: You might set criteria to retrieve all orders placed after a specific date or all products with a price greater than a certain amount.

Sorting

Sorting arranges the data returned by a query in a specific order, such as ascending or descending. Sorting is useful for organizing data in a way that makes it easier to analyze and understand.

Example: You might sort a list of customers by their last name or a list of orders by the order date.

Calculations

Calculations in queries allow you to perform mathematical operations on the data. Common calculations include summing, averaging, counting, and finding the minimum or maximum values.

Example: You might calculate the total sales for a specific product or the average order amount for a customer.

Joins

Joins combine data from two or more tables based on a related column. They are essential for retrieving data that spans multiple tables. Common types of joins include inner joins, left joins, and right joins.

Example: You might join a customer table with an order table to retrieve all orders placed by each customer.

Examples and Analogies

Think of a query as a librarian who retrieves books based on specific criteria. Just as a librarian might retrieve books by a certain author or published in a specific year, a query retrieves data based on specified conditions.

Another analogy is a chef preparing a meal. The chef selects ingredients (fields), follows a recipe (criteria), and arranges the ingredients in a specific order (sorting) to create a delicious dish (query result).

By mastering the key concepts of querying data in Microsoft Access, you can efficiently retrieve, filter, and analyze data to meet your specific needs.

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