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 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...