Learn how to work with the PRIMARY KEY constraint in SQL. A PRIMARY KEY uniquely identifies each record. Not a Primary Key column can never have NULL values.
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This clip is from the chapter "Constraints in SQL" of the series...

Learn how to work with the UNIQUE constraint in SQL to uniquely identify each record in a database table. It enforces the uniqueness of column values.
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This clip is from the chapter "Constraints in SQL" of the series "SQL...

Learn how to work with the NOT NULL constraint in SQL to enforce a column with values, that is, not null. Remember, as columns can have NULL by default, we use the NOT NULL constraint to enforce a column NOT to accept values.
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Learn how to implement the COUNT() function in SQL. We will find the count of the number of rows.
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This clip is from the chapter "Built-In Functions in SQL" of the series "SQL Server Course for Beginners with 100+...

Learn how to implement the AVG() function in SQL. We will find the average of column values.
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This clip is from the chapter "Built-In Functions in SQL" of the series "SQL Server Course for Beginners with 100+ Examples".This...

Learn how to implement the MIN() function in SQL. We will find the minimum of column values.
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This clip is from the chapter "Built-In Functions in SQL" of the series "SQL Server Course for Beginners with 100+ Examples".This...

Learn how to implement the MAX() function in SQL. We will find the maximum of column values.
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This clip is from the chapter "Built-In Functions in SQL" of the series "SQL Server Course for Beginners with 100+ Examples".This...

Learn how to implement the LIKE operator in SQL. We will find values based on a specific pattern using percentages and underscore.
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This clip is from the chapter "Operators in SQL" of the series "SQL Server Course for...

Learn how to implement the BETWEEN operator in SQL. We will find values in a range.
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This clip is from the chapter "Operators in SQL" of the series "SQL Server Course for Beginners with 100+ Examples".This section focuses on...

Learn how to implement the IN operator in SQL. We will check whether a specific value matches.
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This clip is from the chapter "Operators in SQL" of the series "SQL Server Course for Beginners with 100+ Examples".This section...

Learn how to work with the NOT operator in SQL to display records only if the condition isn't met, that is, FALSE.
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This clip is from the chapter "Operators in SQL" of the series "SQL Server Course for Beginners with 100+...

Learn how to work with the OR operator in SQL to display records only if one condition is TRUE. The OR operator should separate these two conditions.
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This clip is from the chapter "Operators in SQL" of the series "SQL Server...

Learn how to work with the AND operator in SQL to display records only if both conditions are TRUE. These two conditions should be separated by the AND operator.
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This clip is from the chapter "Operators in SQL" of the series...

Learn how to order records in SQL using the ORDER BY keyword. The default sorts in ascending order. We will see examples of both ASC and DESC keywords as well.
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This clip is from the chapter "Order Records in SQL" of the...

Learn how to work with the WHERE clause in SQL. WHERE clause filters records based on condition(s).
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This clip is from the chapter "Select Records in SQL" of the series "SQL Server Course for Beginners with 100+ Examples".This...

Learn how to select and return only distinct values from a table using the SQL SELECT DISTINCT statement.
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This clip is from the chapter "Select Records in SQL" of the series "SQL Server Course for Beginners with 100+...

Learn how to select records in SQL using the SELECT statement. We will also see how to choose multiple columns in a single query.
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This clip is from the chapter "Select Records in SQL" of the series "SQL Server Course for...

We’ve got new and improved data on the relationship between acetaminophen use during pregnancy and diagnoses of Autism, ADHD, and Intellectual Disability in offspring. Have we been right or wrong to recommend it during pregnancy?

Dive into the world of athletic records and the ongoing quest to push human limits in sports like pole vaulting, swimming, and sprinting. Explore how athletes like Renaud Lavillenie and Frédérick Bousquet have shattered expectations...

When a user complains the Internet is down, what's often happening is that DNS isn't working. There are a few simple tools and procedures to diagnose and repair DNS problems.
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This clip is from the chapter "Book Chapter 19 -...

In this video, you will learn to build a Kafka Consumer to consume AVRO records from the Kafka topic.
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This clip is from the chapter "Build AVRO Producer and Consumer in Java" of the series "Kafka for Developers - Data...

In the project part 2 video, we will call the API object and create a data frame with columns to receive the relevant information about the video titles.
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This clip is from the chapter "YouTube Automation" of the series...

In this final video, the author succinctly recapitulates the course content with explanations of key terminologies and topics covered thus far.
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This clip is from the chapter "Course Summary – Level 2" of the series "Master...

In this lesson, we will look at a situation where there are tables with unmatched rows from one table to another.
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This clip is from the chapter "SQL - Combining Data from Multiple Tables" of the series "Master SQL for Data...