Introduction to SQL

Kursinnehåll

Introduction to SQL

Introduction to SQL

1. Getting Started

What is SQL?Setting Up SQL and SSMS Getting Familiar with SSMS Structure of an SQL Database System The SELECT Statement Challenge: First Day as a Librarian Challenge: Find all Book Titles Challenge: Find Book Titles and Authors The DISTINCT Keyword Challenge: Find all Genres

2. Filtering Data

The WHERE Clause Challenge: Help a Reader Find Their Favorite Genre Challenge: Fetching Older Books Conditional Expressions: Comparison Operators Challenge: Avoid the Damaged Books Challenge: Highlight New Arrivals Challenge: Budget-Friendly Books Conditional Expressions: The AND Operator Challenge: Find Specific Books for a Reader Challenge: Defining Ranges Challenge: Multiple Conditions Conditional Expressions: The OR Operator Challenge: Matching Multiple Options Challenge: Excluding A Range Conditional Expressions: The NOT Operator Challenge: Negating a Range

3. Sorting Data

Basic Sorting Challenge: Sorting the Library Catalogue Sorting by Multiple Columns Challenge: Further Sorting the Catalogue Sorting after Filtering Data Challenge: Find the Cheapest Books Challenge: Help a Customer Find a Book The LIMIT Keyword Challenge: Select Books for the Collector's Section Challenge: Affordable Books

4. Populating a Database

Creating a Table Challenge: Creating a new Books Table Inserting Rows into a Table Challenge: Inserting Data Challenge: Inserting More Data Inserting Multiple Rows Challenge: Inserting Bulk Data Primary Keys The SERIAL Keyword Challenge: Changing the Books Structure Specifying Default Values Challenge: Further Improving the Books Table

5. Updating & Deleting Data

Updating Rows in a Table Challenge: Correct Book's Data Challenge: Updating Page Counts Challenge: Mark Archived Books As Unavailable Deleting Rows Challenge: Deleting Outdated Records Duplicating Tables Challenge: Create a Table Backup Challenge: Generate a Summarized Books Table Deleting Tables

Challenge: First Day as a Librarian

Welcome to Your First Day as a Librarian!

It's your first day as a librarian, and you're eager to get familiar with the entire library catalog. To get a complete overview of the collection, you want to see every detail available for each book in the library's database, including the title, author, publication year, and genre. This full view will help you understand what kinds of books are available at a glance.

Uppgift

Swipe to start coding

Write a SQL query to retrieve all columns from the Books table so you can get a complete overview of each book in the library.

_{Once you've completed this task, click the button below the code to check your solution.}

Lösning

Byt till skrivbordet för praktisk övningFortsätt där du är med ett av alternativen nedan

Var allt tydligt?

Tack för dina kommentarer!

Avsnitt 1. Kapitel 6

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Challenge: First Day as a Librarian

Welcome to Your First Day as a Librarian!

It's your first day as a librarian, and you're eager to get familiar with the entire library catalog. To get a complete overview of the collection, you want to see every detail available for each book in the library's database, including the title, author, publication year, and genre. This full view will help you understand what kinds of books are available at a glance.

Uppgift

Swipe to start coding

Write a SQL query to retrieve all columns from the Books table so you can get a complete overview of each book in the library.

_{Once you've completed this task, click the button below the code to check your solution.}

Lösning

Byt till skrivbordet för praktisk övningFortsätt där du är med ett av alternativen nedan

Var allt tydligt?

Tack för dina kommentarer!

Avsnitt 1. Kapitel 6

Byt till skrivbordet för praktisk övningFortsätt där du är med ett av alternativen nedan

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