Podcast
Questions and Answers
What is the purpose of the 'Applied Step' group in the Power Query Editor?
What is the purpose of the 'Applied Step' group in the Power Query Editor?
- To show the final output of all transformations
- To store queries that were previously executed
- To list all errors encountered in the query
- To store recent applications and transformations (correct)
Which function does NOT work in the Power Query Editor to undo a step?
Which function does NOT work in the Power Query Editor to undo a step?
- Ctrl + Z (correct)
- Delete key
- Backspace
- Ctrl + Y
In the Merge Column Dialog Box, which action must be performed to combine columns with a space separator?
In the Merge Column Dialog Box, which action must be performed to combine columns with a space separator?
- Only type the new column name
- Select a special character from the list
- Select Space under the Separator Group (correct)
- Choose the Columns from the Preview area
What happens when 'Close & Load' is selected from the Power Query Editor?
What happens when 'Close & Load' is selected from the Power Query Editor?
Which delimiter is NOT commonly used when splitting columns in Power Query?
Which delimiter is NOT commonly used when splitting columns in Power Query?
To perform a split column by delimiter, which menu option should be accessed?
To perform a split column by delimiter, which menu option should be accessed?
Which method is correct for starting the process to transfer data to the Power Query Editor?
Which method is correct for starting the process to transfer data to the Power Query Editor?
Which of the following functions allows for extracting specific portions of text from a string?
Which of the following functions allows for extracting specific portions of text from a string?
What is the first step to separate the year from the original data?
What is the first step to separate the year from the original data?
How is the data transferred to Power Query Editor?
How is the data transferred to Power Query Editor?
Which option is used to find the start of a quarter?
Which option is used to find the start of a quarter?
What calculation is performed to determine which day of the quarter a date falls on?
What calculation is performed to determine which day of the quarter a date falls on?
What step is taken to determine the day of the year for a specific date?
What step is taken to determine the day of the year for a specific date?
Which feature allows for converting normal data to a Date & Time format?
Which feature allows for converting normal data to a Date & Time format?
What option should be selected to extract the start of the month?
What option should be selected to extract the start of the month?
What is the first step to calculate age using the date of birth?
What is the first step to calculate age using the date of birth?
What happens to normal dates when they are transferred to Power Query Editor?
What happens to normal dates when they are transferred to Power Query Editor?
What is the purpose of the Trim function in Power Query?
What is the purpose of the Trim function in Power Query?
Which step is taken to convert a column to a normal date format in Power Query?
Which step is taken to convert a column to a normal date format in Power Query?
What option should you select to find the age calculated in days from a date in Power Query?
What option should you select to find the age calculated in days from a date in Power Query?
Which option correctly describes how to change text to uppercase in Power Query?
Which option correctly describes how to change text to uppercase in Power Query?
How can you quickly change a column type to date format using a shortcut in Power Query?
How can you quickly change a column type to date format using a shortcut in Power Query?
What is one major benefit of using the Power Query Editor?
What is one major benefit of using the Power Query Editor?
Which of the following functions would you use to convert a column of text to lowercase?
Which of the following functions would you use to convert a column of text to lowercase?
In order to find 100% of a number like 1500 in Power Query, which option needs to be accessed?
In order to find 100% of a number like 1500 in Power Query, which option needs to be accessed?
Where do you begin when you want to work with text data in Power Query?
Where do you begin when you want to work with text data in Power Query?
What is the purpose of the Modulo operation in Power Query?
What is the purpose of the Modulo operation in Power Query?
What must be done to append data from multiple worksheets into one sheet in Power Query?
What must be done to append data from multiple worksheets into one sheet in Power Query?
How does Power Query handle multiple transformations applied to data?
How does Power Query handle multiple transformations applied to data?
Which menu allows you to access the option to split a column by a delimiter in Power Query?
Which menu allows you to access the option to split a column by a delimiter in Power Query?
What dialog box appears when you need to specify the value required for the Percent of calculation?
What dialog box appears when you need to specify the value required for the Percent of calculation?
What is the first step to create a table for text data in Power Query?
What is the first step to create a table for text data in Power Query?
What is the correct term used for data that is organized vertically in a master database?
What is the correct term used for data that is organized vertically in a master database?
Which option must be selected from the Data Menu to start creating a new query from an Excel worksheet?
Which option must be selected from the Data Menu to start creating a new query from an Excel worksheet?
What is the first step to append queries in Power Query Editor?
What is the first step to append queries in Power Query Editor?
How can you create an Excel table before transferring it to Power Query?
How can you create an Excel table before transferring it to Power Query?
Where in the Power Query Editor can you find the queries section?
Where in the Power Query Editor can you find the queries section?
In which menu is the option to give a proper table name located?
In which menu is the option to give a proper table name located?
What indicates that your data has been successfully transformed into a table in Excel?
What indicates that your data has been successfully transformed into a table in Excel?
Which of the following is NOT a menu accessible in the Power Query Editor?
Which of the following is NOT a menu accessible in the Power Query Editor?
Study Notes
NETT ZONE COMPUTER EDUCATION CENTRE Overview
- NETT Zone Computer Education Centre is an autonomous body registered under the Government of West Bengal.
- Registration is based on the Indian Trust Act 1882 and is inspired by the National Task Force IT & SD.
- Registered under the Ministry of MSME, Government of India.
- Quality Management System certified under ISO 9001:2015.
Power Query - Text Functions
- The Power Query Editor offers various text functions for manipulating text data.
- Trim Function: Removes unwanted spaces from data.
- Case Conversion: Converts text to uppercase or lowercase.
- Column Merging: Combines first name and last name using the Merge Column feature.
- All transformations in Power Query are recorded in the Applied Steps section of the Query Settings.
Splitting Columns by Delimiter
- Delimiters may include spaces, commas, or semicolons.
- Data is transferred to Power Query by creating a table and selecting the Split Column feature by delimiter.
- Split options include predefined delimiters or entering custom ones.
Using Left, Right, and Mid Functions
- Extract specific parts of text data based on position.
- Data can also be separated into year, month, and day from date values via the Add Column feature.
Extracting Start & End of Month, Quarter, and Year
- Convert dates into different formats using Power Query.
- Extract start or end dates of months, quarters, or years through date manipulation functions.
Calculating Age from Date of Birth
- In Power Query, calculate age by subtracting birth date from the current date, resulting in the total number of days.
- Convert this value to years.
Finding Differences Between Two Dates
- Calculate durations between dates using the Subtract Date function in Power Query.
- Facilitate quick data type changes by right-clicking on date columns.
Working with Percentages and Modulo
- Determine percentages and calculate remainders using the Add Column feature.
- Use options in Power Query to perform these calculations on data columns.
Appending Multiple Worksheets into One Sheet
- Combine data from multiple sheets into a master database by using the Append Query function.
- Arrange data vertically for appending and horizontally for merging.
- Utilize the Combine and Append queries feature in Power Query.
Creating a Power Query Report with Pivot Tables
- Excel data must first be formatted as a table to utilize Power Query features.
- Use the Power Query Editor to transform and manage data before creating a pivot table.
User Interface Navigation
- The Power Query Editor consists of four main menus: Home, Transform, Add Column, and View.
- The Queries section displays all created tables, while the Query Settings allow for further management of table properties.
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Description
This quiz focuses on the process of transferring and converting data in Power Query Editor. It explains how normal dates are handled and modified into date and time formats. Participants will learn about the steps involved in changing column types and adding new columns using Power Query.