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dataexplorer
United States
Приєднався 5 січ 2020
This Channels is all about data. We will explore all aspects of data from the lowest levels to the highest levels. The videos are meant to be specific and short.
In these videos, I will cover:
* Excel
* SQL
* Python
* Data Governance
In these videos, I will cover:
* Excel
* SQL
* Python
* Data Governance
Visualizing the Citywide Payroll Data in Tableau
This is the 3rd part of 3 videos for getting started with NYC Open Data and Tableau Visualizations. In this video, we select and load the Citywide Payroll Data (data.cityofnewyork.us/City-Government/Citywide-Payroll-Data-Fiscal-Year-/k397-673e/about_data) into Tableau.
Переглядів: 48
Відео
NYC Open Data - Explore and Download CSV
Переглядів 38Місяць тому
This is the 1st part of 3 videos for getting started with NYC Open Data and Tableau Visualizations. In this video, we visit the NYC Open Data site and download CSV data. Please note that while I show one data set here, in the next videos I use the Citywide Payroll Data instead (data.cityofnewyork.us/City-Government/Citywide-Payroll-Data-Fiscal-Year-/k397-673e/about_data) because the 311 data is...
Saving downloaded Citywide Payroll Data as Data Source
Переглядів 52Місяць тому
This is the 2nd part of 3 videos for getting started with NYC Open Data and Tableau Visualizations. In this video, we select and load the Citywide Payroll Data (data.cityofnewyork.us/City-Government/Citywide-Payroll-Data-Fiscal-Year-/k397-673e/about_data) into Tableau.
Run MySQL from Docker Easily
Переглядів 952 місяці тому
A couple of quick steps to run MySQL from Docker.
DBMS to Database to Data
Переглядів 294 місяці тому
What is a Database Management System? What is a Database? What are Data? In this short video, we give a quick explanation of all of these. This is a good video for anyone beginning to learn about databases or data.
Using ChatGPT to create SQL Statements to Create and Populate Tables in Postgres
Переглядів 7610 місяців тому
In this video, we use ChatGPT to create SQL statements to create and populate tables in postgres Here is the dialog between the user and ChatGPT: chat.openai.com/share/d1dafdf9-9334-46de-9f60-280a19ef470b
Setting Up Database Using CockroadDB
Переглядів 3810 місяців тому
If you want to get started learning about databases or want to move from Access, this video shows you how to configure a database using CockroachDB Cloud (cockroachlabs.cloud/) We then create some tables and insert data using the following commands: CREATE TABLE Guide ( GuideNum CHAR(4) PRIMARY KEY, LastName TEXT, FirstName TEXT, Address TEXT, City TEXT, State CHAR(2), ZipCode CHAR(5), PhoneNum...
Creating Subquery in Microsoft Access
Переглядів 88011 місяців тому
In this video, we explore creating a subquery in Microsoft Access. We go through all of the steps required to answer a question. A subquery is when you use the results of one SQL command within another SQL command. Should out to Andre D. for asking this question; I hope this helps.
Part 3 - Anatomy of Database Tables (A Gentle Introduction to Databases:)
Переглядів 3311 місяців тому
After going through this video, you should have an idea of the following: * Minimal database table requirements (table name and list of attributes) * High-level Data Types * Primary Keys * Foreign Keys This is Part 3 of a series of videos that I am creating for anyone learning about data, databases, and database management systems. If you have any questions about this content or would like a vi...
Spreadsheet to Organize Data
Переглядів 51Рік тому
Video 2 for Gentle Introduction to Databases where we explore how we can use Spreadsheets to organize data.
Gentle Introduction to Databases
Переглядів 47Рік тому
Gentle Introduction to Databases Video 1 of many where I explore how to learn about databases without 0 prior experience.
Start Learning about SQL and Databases Fast and Simple - No Setup Required
Переглядів 25Рік тому
SQL and Database knowledge are in high demand. Learning about sql and databases can require some configuration and installation that many people, including myself, are not fond of doing. In this video, I go through how to use Supabase to configure a database and table so that you can explore SQL concepts.
SQL - How do I get the last row for a given attribute? SQL Window Functions, Row_Number, Qualify
Переглядів 35Рік тому
Sometimes your SQL tables will have many rows for the same customer, the same department, the same entity and you only want to get the last edited or the last updated row for each of those. How do you do it? In this video, I show you how you do it and I introduce a couple of commands including: * row_number() * over * partition * qualify Thumbs up if you like this video, reply in the comment if...
Snowflake Unpivot - How do you use an Unpivot?
Переглядів 1,6 тис.Рік тому
The Snowflake SQL Unpivot command is pretty cool and may help you in the future. UNPIVOT rotates a table by transforming columns into rows. In this video, I go through the Snowflake Documentation example and provide my own insights. If this was helpful, click like. If it wasn't and you'd like to see something else, just write a comment below and the next video on my list will be to answer you q...
3/3. Using Remember To Keep State in Android Composables
Переглядів 12Рік тому
3/3. Using Remember To Keep State in Android Composables
1/3 Adding Drawable and Using Image Composable
Переглядів 837Рік тому
1/3 Adding Drawable and Using Image Composable
Cell Highlighting based on Months Passed using Excel DATEDIF
Переглядів 1164 роки тому
Cell Highlighting based on Months Passed using Excel DATEDIF
Getting Started with Colab Notebooks: Get User Input, Save to Variable, and Print Result
Переглядів 3,2 тис.5 років тому
Getting Started with Colab Notebooks: Get User Input, Save to Variable, and Print Result
Creating Excel Dropdowns using Data Validation and Indirect Function
Переглядів 28 тис.5 років тому
Creating Excel Dropdowns using Data Validation and Indirect Function
Installing MySQL Server And Workbench on Windows 10
Переглядів 745 років тому
Installing MySQL Server And Workbench on Windows 10