SQL Server

Certification
SQL Server
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NOTES | Grouping and Windowing

SQL Server can perform some data analysis operations. A data analysis function is a function applied to a set of rows, and it returns a single value. An example of such a function is the SUM aggregate function. A data analysis function can be either a group function or a window function. The two types […]

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Certification
SQL Server
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NOTES | Combining Sets

Using Joins Often, data that you need to query is spread across multiple tables. The more normalized the environment is, the more tables you usually have. The tables are usually related through keys, such as a foreign key in one side and a primary key in the other. Then you can use joins to query […]

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Certification
SQL Server
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NOTES | Filtering and Sorting Data

While the traditional way to filter data in T-SQL is based on predicates, it also supports filtering data based on a specified number of rows and ordering. To do so, use TOP and OFFSET. Filtering Data with Predicates ON, WHERE, and HAVING are the three query clauses which enable your filtering of data based on […]

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Exam Preparation
SQL Server
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NOTES | Foundations of Querying

Foundations of Querying T-SQL is the main language used to manage and manipulate data in Microsoft’s main relational database management system (RDBMS), SQL Server—whether on premises or in the cloud (Microsoft Windows Azure SQL Database). It all stems from the mathematical principals of set theory and predicate logic. T-SQL is a dialect of standard SQL […]

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Certification
SQL Server
Study

NOTES | A Few Things

In preparing for this exam, my plan is to work my way through each chapter in the Training Kit book, to take notes, gather more information from across the internet and the book SQL Queries For Mere Mortals. In doing so, I’ll be documenting my notes. At times, it can/may be word for word from the training […]

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Certification
SQL Server

Preparation | Exam 70-461 (Querying Microsoft SQL Server 2012)

My current goal is to become a Microsoft Certified Solutions Expert: Business Intelligence. Preparing for the exam My plan is to work my way through each chapter in the Training Kit book. I will read each chapter, answer the quick check questions, the lesson review questions, work through the case scenarios and complete all the practice exercises. I […]

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Certification
SQL Server

MCSE: Business Intelligence | Starting my journey

My goal for 2020/2021 is to become a Microsoft Certified Solutions Expert (MCSE): Business Intelligence. The three Training Kit books arrived today:  Training Kit (Exam 70-461): Querying Microsoft SQL Server 2012 Training Kit (Exam 70-462): Administering Microsoft SQL Server 2012 Databases Training Kit (Exam 70-463): Implementing a Data Warehouse with Microsoft SQL Server 2012. While […]

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