Excel PowerQuery M code language - Part 3

Dive deeper into Power Query with Part 3, building upon your knowledge from Part 1 and Part 2! This section focuses on mastering date and text manipulation using powerful M code functions.

Date Functions in M Code:

• Flexible Date Handling: Learn to work with dates in any format.
• Date Arithmetic: Easily add days, months, and quarters to dates.
• Date Extraction: Extract specific components like the month, day, year, and day of the week.
• Date Comparisons & Calculations: Determine dates within a year, month, or relative to today's date.
• Key Functions Covered: In-depth exploration of DateAddDays, DateAddMonth, DateAddQtr, EoMonth, and DateIsInCurrentMonth – essential for date-driven analysis.

List Functions for Advanced Data Manipulation:

• List Operations: Discover how to use List.Date, List.Union, List.Intersect, and List.Difference to manipulate lists of dates and other data.
• Multi-Table Analysis: Find matching records across multiple tables, identify common items, and pinpoint non-matching data.
• Real-World Project Applications: See how these list functions are applied in practical Power Query projects.

Text Functions for String Transformation:

• String Manipulation: Master FIND, LEFT, RIGHT, and MID functions for extracting and modifying text.
• String Checks: Determine if a string contains specific words.
• String Reversal: Reverse the characters within a string using M code.
• String Repetition & Removal: Insert characters repeatedly and remove unwanted text.
• String Length & Case Conversion: Calculate string length, convert to upper or lower case.
• Whitespace Control: Remove leading, trailing, or all spaces from strings.

Custom Function Creation:

• Dynamic Data Transformation: Learn to create reusable custom functions with multiple parameters to modify your data effectively within Power Query. This is a comprehensive project designed to significantly enhance your data manipulation capabilities.