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About:vincentamedekah@gmail.com

Posts by vincentamedekah@gmail.com :

TSQL Program to determine the day(Name) of the first day of each month in the current year

Posted on October 6, 2012 by Vincent Kofi Amedekah

In this post, l just want to show some cool programming skills and hopefully make it useful for any one interested in learning TSQL and use of variables and some date functions. The main purpose is to write a program that will return the day name such as Monday, Sunday etc of the first day […]

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TSQL Tutorial 27: Microsoft SQL Server Authentication

Posted on August 5, 2012 by Vincent Kofi Amedekah

I just want to talk briefly about how we can access sql server instance running either on your personal computer or on a network. Authentication is a big issue for any server because if some successfully passed this gate, they have access to your server and can do lot of things so SQL server provides […]

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TSQL Tutorial 26: Pivot and Unpivot

Posted on August 4, 2012 by Vincent Kofi Amedekah

  Hello, I’m briefly going to discuss one topic that can easily throw you under the bridge if you did not take the time to actually practice it. Pivot and unpivot is not your regular every day TSQL term but its good to know it and use it when needed. We are going to take baby steps […]

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TSQL Tutorial 25:Common Table Expressions(CTE)

Posted on July 22, 2012 by Vincent Kofi Amedekah

Hello world, l hope everyone is having peace where ever you are. This week has been a tough one for the United States, I’m talking in regards of the Theater shooting in Colorado. It’s the craziest thing to happen and I extend my my prayers and condolence to the bereaved families and prayers to those […]

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Vincent Kofi Amedekah

  • SQL Interview prep quiz 2 : Explain the difference between CTE and a subquery and give some advantages of using one over the other in OLAP vs OLTP systems
  • SQL interview prep quiz 1: Write sql code to print the letters of the English alphabet in upper case without explicitly writing the letters.
  • Predicting the future price of Bitcon using time series analysis
  • Supply Chain Big Data Analysis To Predict Late Delivery Risk Of Customer Orders
  • Differences between aggregation and composition in Python Class
  • How to use analytic functions First_value and Last_value introduced in SQL Server 2012
  • How to use SQL Server extension ROLLUP to summarize data
  • Data profiling using SQL Server Integration Services – SSIS
  • Restore database in sql server
  • Back up database in SQL Server.
  • Ping database in sql server.
  • Shrink database in sql Server.
  • Next word prediction application- Data Science Capstone
  • SQL Script to populate Date Dimension table in the Data warehouse.
  • Machine Learning predicting quality of exercise performed using smart wearable device data.
  • Comparing accuracy of prediction of Alzheimer’s diagnosis by Machine Learning Algorithms Random Forest, Boosted Trees and Linear Discriminant Analysis to a stack prediction of all the three Algorithms.
  • Brief introduction to the R package caret for Machine Learning.
  • Notes on SDLC Models
  • SQL Procedure to allow registration of only employees of your company for your site.
  • ETL Process in Data Warehouse
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