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Master SQL for Data Analysis - Common Table Expressions (CTEs)
In this video, you will learn more about the common table expression, which allows us to reference data within a SELECT statement. This clip is from the chapter "SQL – Simplify Queries (Views, CTEs)" of the series "Master SQL for Data...
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Master SQL for Data Analysis - Virtual Tables (Views)
In this lesson, we will look at creating virtual tables to look at tables in a different way than their existing database structures. This clip is from the chapter "SQL – Simplify Queries (Views, CTEs)" of the series "Master SQL for Data...
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Master SQL for Data Analysis - Sequential Numbers
Let's look at another typical use case of a window function: to create a sequential integer number inside a group of rows while deciding how this group will be ordered. This clip is from the chapter "SQL - Window Functions" of the series...
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Master SQL for Data Analysis - Creating a Window Function
This is an illustrative video on creating a simple window function using the OVER and PARTITION BY functions. This clip is from the chapter "SQL - Window Functions" of the series "Master SQL for Data Analysis".This section focuses on one...
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Master SQL for Data Analysis - Searched CASE – Classification and Binning
Here, we will explore the second type of case statement, the searched case expression, which is more flexible than the previous simple case structure. This clip is from the chapter "SQL - Conditional Logic (CASE)" of the series "Master...
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Master SQL for Data Analysis - As Inline Views (FROM)
After learning how to use a subquery to filter rows, we will now look at using forms in the form section, such as regular tables, which are useful in simplifying complex queries. This clip is from the chapter "SQL – Subqueries" of the...
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Master SQL for Data Analysis - Conditional Logic – Multiple Rows
The second type of subquery used to filter data based on conditional logic is the subquery that may return multiple rows of data. This clip is from the chapter "SQL – Subqueries" of the series "Master SQL for Data Analysis".This section...
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Master SQL for Data Analysis - Conditional Logic – Single Row
Here, we will look at the first type of subquery used to filter data with conditional logic, the results of which can be a single row or multiple rows of subqueries, depending on how we build it. This clip is from the chapter "SQL –...
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Master SQL for Data Analysis - What Is Subquery?
This video explains in detail what a subquery is all about, the types of subqueries, and how to create a subquery to extract more value from data. This clip is from the chapter "SQL – Subqueries" of the series "Master SQL for Data...
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Master SQL for Data Analysis - Overview-4
In this video, we will talk about a powerful tool, the subquery, which extracts much more value and valuable insights by combining multiple tables and querying with subqueries. This clip is from the chapter "SQL – Subqueries" of the...
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Master SQL for Data Analysis - Union, Intersect, Except
In this video, you will learn more about the UNION, INTERSECT, JOIN, and EXCEPT operators while combining datasets and tables. This clip is from the chapter "SQL - Combining Data from Multiple Tables" of the series "Master SQL for Data...
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Master SQL for Data Analysis - Let's Recap!
The author briefly recapitulates the topics learned in this level during this training program, level 1. This clip is from the chapter "Course Summary – Level 1" of the series "Master SQL for Data Analysis".This section focuses on the...
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Master SQL for Data Analysis - Database Dictionary
We will explore the data-storing area called the dictionary, which stores constraints, filters, functions, lists, and so on. This clip is from the chapter "SQL - Retrieving Data with Queries" of the series "Master SQL for Data...
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Master SQL for Data Analysis - Grouping Rows (GROUP BY and HAVING)
Let's learn how to group rows based on values in specific columns and then apply different actions on the groups, such as applying filters using GROUP BY and HAVING. This clip is from the chapter "SQL - Retrieving Data with Queries" of...
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Master SQL for Data Analysis - Distinct Values (DISTINCT)
Let's explore the way to find distinct values among multiple rows of data as part of a preliminary preparation process. This clip is from the chapter "SQL - Retrieving Data with Queries" of the series "Master SQL for Data Analysis".This...
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Master SQL for Data Analysis - Filtering Conditions (WHERE) – Part 2
Here, you will learn to combine and filter data based on multiple conditions in the same query using operators. This clip is from the chapter "SQL - Retrieving Data with Queries" of the series "Master SQL for Data Analysis".This section...
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Master SQL for Data Analysis - Filtering Conditions (WHERE) – Part 1
In this lesson, you will learn to use filtering conditions to filter data based on conditions. Here, we will explore the WHERE condition. This clip is from the chapter "SQL - Retrieving Data with Queries" of the series "Master SQL for...
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Master SQL for Data Analysis - Query Data (SELECT)
Let's learn to query data using the SELECT option that determines the columns to include in the result set. This clip is from the chapter "SQL - Retrieving Data with Queries" of the series "Master SQL for Data Analysis".This section...
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Master SQL for Data Analysis - Inserting Data
In this lesson, we will look at inserting data into tables and learn to use commands to insert single and multiple rows of data. This clip is from the chapter "SQL - Creating Databases, Schemas, and Tables" of the series "Master SQL for...
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Master SQL for Data Analysis - Data-Type Conversions (CAST)
Here, we will understand predefined datatypes and how to convert one data type to another. This clip is from the chapter "SQL - Retrieving Data with Queries" of the series "Master SQL for Data Analysis".This section focuses on the...
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Master SQL for Data Analysis - Overview-1
This video outlines creating entire databases and building schemas and tables in detail. This clip is from the chapter "SQL - Creating Databases, Schemas, and Tables" of the series "Master SQL for Data Analysis".This section delves deep...
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Master SQL for Data Analysis - Partitions
In this lesson, we will explore partitions, a popular strategy to handle growing amounts of data, and break tables into smaller parts called partitions. This clip is from the chapter "Databases - Terminology" of the series "Master SQL...
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Master SQL for Data Analysis - Indexes
Let's learn more about indexes, which will help optimize queries. You will learn how to create an index and structure data using indexes. This clip is from the chapter "Databases - Terminology" of the series "Master SQL for Data...
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Master SQL for Data Analysis - Overview - Database, DBMS, SQL
In this video, the author discusses the key terms used when talking about SQL and relational databases. This clip is from the chapter "Databases - Terminology" of the series "Master SQL for Data Analysis".This section focuses on...