Description

Single-Table Queries

Single-Table Queries
Single-Table QueriesMP4 | Video: AVC 1280×720 | Audio: AAC 44KHz 2ch | Duration: 1 Hour | 249 MB Genre: eLearning | Language: English

 

Single-Table Queries is a course focused on SQL queries that can be written against a single table.

A query may involve selecting data, grouping or aggregating data, and transforming data.

How this course will help you

You will learn how to scan over rows of data,

as well as how to write queries that look up values, including aggregate values.

In this eLearning Course, you’ll learn how to use Single-Table Queries from a SQL beginner’s perspective.

You’ll learn tips and tricks for creating efficient queries that will return your data as quickly as possible.

This course is a complete guide to writing single-table queries in the database.

You’ll learn the most efficient way to build these queries, along with their components and limitations.

We’ll also discuss query engines, concurrency issues and performance tuning for single-table queries.

Get up and running with Microsoft R Server in no time.

Learn how to write simple queries on a single table, including how to read data in.

How this course will help you

Discover easy ways to share code between SQL and R, such as SQL multi-step functions, expression columns and string concatenation

Single-table queries are queries that use one table and the JOIN keyword to perform an operation on one or more columns.

This course explores the nuances of working with and querying datasets in a single table.

You’ll learn how to qualify and order your data, as well as understand when it makes sense to query one table versus another.

Additionally, you’ll learn how and when to use subqueries.

Single-Table Queries is a hands-on course that will teach you how to write queries to get the job done.

Instead of focusing on theory and architecture,

this course focuses on practical techniques that will help you write efficient SQL statements in real-world scenarios.

Single-Table Queries helps you learn to write queries, stored procedures and functions that utilize join operations.

In this course, we cover how to use the JOIN operator to combine data from multiple tables.

How this course will help you

We also cover how to write a query that combines data from two tables where one of the tables contains an outer joined table.

Learn how to write single-table queries with the most popular SQL syntax.

This course provides students with an understanding of the fundamentals of a single table query,

data retrieval and filtering, sorting and aggregate functions.

Single-table queries are a unique category of query.

They allow us to focus on writing the query one time and getting back the result set we want without having to use joins to do it.

This course will provide a foundation on how they work, what they are useful for, and when not to use them.

In this course, you will learn how to write queries using a single table.

You will also learn how to work with aggregations and use subqueries. By the

end of this course, you will have the confidence necessary to apply these methods to real-world situations.

Are you searching for a fun way to learn SQL? Are you looking for a non-technical,

non-intimidating approach to learning the fundamentals of writing queries? If so, then this course is for you!