SQL Window Functions: GROUP BY on Steroids – Without Collapsing Rows
Dive into the power of SQL window functions, a transformative tool for data analysis that…
SQL Window Functions: GROUP BY on Steroids – Without Collapsing Rows
Dive into the power of SQL window functions, a transformative tool for data analysis that enables calculations across related table rows without collapsing them like traditional GROUP BY clauses. These functions, categorized into aggregate (like AVG, MAX, MIN, SUM, COUNT), value (ROW_NUMBER, RANK, DENSE_RANK, PERCENT_RANK, NTILE), and ranking (LAG, LEAD, FIRST_VALUE, LAST_VALUE) types, add calculated…
Configuring SQL Server for Local Area Network: Access SQL Server using Local IP Address
To configure an SQL server for access over a local area network, begin by opening the SQL Server Configuration Manager and enabling the TCP/IP protocol under SQL Server Network Configuration. After applying this change, navigate to the IP Addresses tab, locate IPAll, and set the desired TCP Port (default is 1433). Remember that these changes…
Power BI Q&A: Best Practices for Effective Data Exploration
Welcome to our tutorial on the Power BI Q&A visual, where we’ll guide you through effectively utilizing this feature and designing dashboards with it. We’ll begin by importing data into Power BI’s data pane, selecting the desired table, and loading it, populating the data pane with its fields for visual design. Before using Q&A, we’ll…
Google Colab: Auto Generate Python Code using Google AI inside Colab
This Google Collab tutorial introduces the use of generative AI to streamline Python coding, error identification, and integration with Google services. Learn how to leverage AI to write Python code, automatically identify and fix errors with suggested replacements, connect to Google Drive, import data from Google Sheets into Collab data frames, perform data analysis, generate…
Power BI: Snowflake vs. Star schema explained in detail, with simple example and a dashboard
This Power BI tutorial guides you through data modeling, focusing on the star and snowflake schemas. You’ll learn how to import an Excel dataset containing sales and related tables into Power BI, and then build both types of data models in the Model view. The key difference is explained: star schemas connect all dimension tables…
Power BI: Dealing with Missing Data in Time Series – Using Filters and DAX Query
This tutorial addresses the common problem of missing data in time series visualizations, particularly when dealing with progressive or accumulative data in Power BI. It explains that while missing data points might appear as zeros in standard charts, this can lead to inaccuracies when values represent cumulative totals. The video demonstrates two solutions: first, filtering…
Power BI: Creating Stunning Dashboards with Animated Backgrounds
This tutorial guides viewers through creating a visually engaging PowerBI dashboard with an animated background. It begins by importing a sales dataset containing month, branch, sales, and profit data from an Excel file into PowerBI Desktop. The tutorial then demonstrates how to design a basic dashboard, including a title text box, a line and clustered…
SQL: Complete Tutorial on SQL Basics for Beginners
The tutorial has two videos. In first video the downloading installation and setting up of the SQL server express, and sql server management studio is explained. In the second vidoe, basic sql concepts are explained. This tutorial guides users through the free download and installation of Microsoft SQL Server Express and SQL Server Management Studio…
Automate Emails with Power Automate #Excel #Gmail #Attachments
Previously, we created a Power Automate flow to consolidate data from multiple Excel files into a single file and save it to our computer. Today, we’ll expand this flow to automatically send this consolidated data via email. To do this, we’ll use an app password to authenticate with our Gmail account. We’ll create a sub-flow…
Save Hours with Power Automate: Automating Multi-File Excel Consolidation
This Power Automate tutorial demonstrates how to automate the consolidation of multiple Excel files containing regional sales data into a single, time-stamped summary file, all triggered by a single button press. The process involves creating variables for file paths, establishing subflows to prepare the consolidated file (including copying, renaming with a date/time stamp, and opening…