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Course

Intermediate SQL Server

IntermediateSkill Level

4.8+

Updated 05/2025

In this course, you will use T-SQL, the flavor of SQL used in Microsoft's SQL Server for data analysis.

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SQLProgramming4 hours14 videos47 Exercises3,850 XP60,403Statement of Accomplishment

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Course Description

A majority of data is stored in databases and knowing the necessary tools needed to analyze and clean data directly in databases is indispensable. This course focuses on T-SQL, the version of SQL used in Microsoft SQL Server, needed for data analysis. You will learn several concepts in this course such as dealing with missing data, working with dates, and calculating summary statistics using advanced queries. After completing this course, you will have the skills needed to analyze data and provide insights quickly and easily.

Prerequisites

Introduction to SQL Server

1

Summarizing Data

Data analysis with aggregations

Creating aggregations

Creating grouped aggregations

Dealing with missing data

Removing missing values

Imputing missing values (I)

Imputing missing values (II)

Binning data with CASE

Using CASE statements

Creating several groups with CASE

2

Math Functions

Counting and totals

Calculating the total

Counting the number of rows

Which date function should you use?

Counting the number of days between dates

Adding days to a date

Rounding and truncating

Rounding numbers

Truncating numbers

More math functions

Calculating the absolute value

Calculating squares and square roots

3

Processing Data in SQL Server

WHILE loops

Creating and using variables

Creating a WHILE loop

Derived tables

Queries with derived tables (I)

Queries with derived tables (II)

Common Table Expressions

Creating CTEs (I)

Creating CTEs (II)

4

Window Functions

Window functions in T-SQL

Window functions with aggregations (I)

Window functions with aggregations (II)

Common window functions

Do you know window functions?

First value in a window

Previous and next values

Increasing window complexity

Creating running totals

Assigning row numbers

Using windows for statistical functions

Calculating standard deviation

Calculating mode (I)

Calculating mode (II)

Intermediate SQL Server

Course
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