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Lesson 6.2 – Freeze Panes and Split View

Lesson 6.2 – Freeze Panes and Split View When working with large spreadsheets, it is easy to lose track of column headers or key reference rows. Excel provides two powerful tools to help you navigate large datasets more efficiently: Freeze Panes and Split View . These tools allow you to keep important information visible at all times, even while scrolling. 1. Why Freeze Panes and Split View Matter These tools are essential when analyzing or entering data in large worksheets. They help you: Keep column headers visible while scrolling down Keep row labels visible while scrolling horizontally Compare distant parts of a worksheet side by side Navigate large datasets without losing context Professionals use these features constantly when working with financial reports, sales data, inventory lists, and long tables. 2. Freeze Panes Overview Freeze Panes allows you to lock specific rows or columns so they remain visible while the rest ...

Part IV: Modifying Data – Chapter 9: Inserting Records

Part IV: Modifying Data – Chapter 9: Inserting Records Adding new data into your database is as critical as querying it. A solid INSERT strategy prevents downtime, avoids schema breakage, and ensures data accuracy from day one. In this chapter, we’ll cover: Basic INSERT INTO … VALUES syntax Bulk inserts using INSERT INTO … SELECT Best practices for batching large imports Verifying inserted data before committing By the end, you’ll have a reliable workflow for populating your tables safely and efficiently. 1. Basic INSERT INTO … VALUES Syntax The simplest way to add a row is with the INSERT … VALUES statement. Always specify columns explicitly to guard against schema changes. 1.1 Syntax Structure sql INSERT INTO table_name (col1, col2, ..., colN) VALUES (val1, val2, ..., valN); table_name : target table (col1, …, colN) : list of columns in the insertion order VALUES : literal values matching each column’s data type 1.2 Example: Single-Row Insert Imagine an employees table: sql C...

Lesson 6.1 – Keyboard Shortcuts

Lesson 6.1 – Keyboard Shortcuts Keyboard shortcuts are one of the most powerful ways to increase your productivity in Excel. Instead of relying on the mouse, shortcuts allow you to perform actions instantly, navigate large spreadsheets efficiently, and work with the speed expected in professional environments. In this lesson, you will learn the most important shortcuts for beginners, organized by category and available for both Windows and macOS. 1. Why Keyboard Shortcuts Matter Using shortcuts is not just about speed — it is about working smarter. Professionals use shortcuts because they: Reduce repetitive mouse movements Lower the risk of errors Improve focus by keeping hands on the keyboard Make navigation faster in large datasets Allow you to perform complex tasks in seconds Even learning 10–15 shortcuts can dramatically improve your workflow. 2. Navigation Shortcuts (Move Faster in Your Worksheet) These shortcuts help ...

Module 6 – Productivity and Shortcuts

Module 6 – Productivity and Shortcuts In this module, you will learn how to work faster and more efficiently in Excel. Productivity tools and shortcuts are essential for anyone who wants to save time, reduce errors, and perform tasks with professional speed. These lessons will help you navigate Excel like an experienced user. You will explore keyboard shortcuts, navigation tools, data validation, and best practices for maintaining clean and organized spreadsheets. What You Will Learn in This Module How to use essential keyboard shortcuts (Windows and macOS) How to freeze panes and split the worksheet for easier navigation How to use Find & Replace and Go To Special How to create dropdown lists using Data Validation How to maintain clean, professional, and error‑free spreadsheets These skills will significantly improve your speed and confidence when working with Excel. Lessons in This Module Lesson 6.1 – Keyboard Shortcuts ...

Part IV: Modifying Data with SQL

Inserting Records · Updating Records · Deleting Records Modifying data—adding new rows, updating existing ones, and removing obsolete entries—is the flip side of querying. Without the ability to change data, databases become static archives. In this detailed guide, you’ll learn step by step how to insert, update, and delete records safely and efficiently in a relational database. Inserting Records Every database starts empty. The INSERT statement populates tables with new rows. You’ll discover how to add single records, bulk load data from other queries, and handle conflicts or defaults. 1. Single-Row Inserts Use INSERT INTO … VALUES to add one row at a time. Always specify the column list to avoid mismatches when the schema changes. sql INSERT INTO employees (first_name, last_name, email, hire_date, salary) VALUES ('Jane', 'Doe', 'jane.doe@example.com', '2025-08-15', 60000); Key points: Match the order of columns and values exactly. Omit columns wit...