How to Configure the AWS Provider in Terraform
Configure the AWS provider in Terraform with region variables, secure AWS credentials, profiles, and account verification using data sources.
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Bash Functions: Define, Call, and Use Return Statuses
Learn the basics of Bash functions by building reusable deployment and command checks with parameters, return statuses, and conditional logic.
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SQL GROUP BY and Aggregate Functions: A Beginner’s Guide
Learn to summarize SQL data with GROUP BY and aggregate functions using practical sales examples, filtering, sorting, and beginner-friendly exercises.
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Python Sets: Remove Duplicate Email Addresses
Use Python sets to remove duplicate email addresses, combine signup data, and display unique values in a predictable order.
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AWS CLI S3 Commands: Create a Bucket and Upload Backup Files
Practice essential AWS CLI S3 commands by creating a bucket, uploading application backups, organizing them with prefixes, and verifying the uploaded files.
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Terraform Resources: Create and Manage an AWS EC2 Instance
Build and manage an AWS EC2 server with Terraform resources. Learn resource blocks, variables, outputs, dependencies, planning, state, and cleanup.
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How to Use Command-Line Arguments in Bash Scripts
Learn how Bash scripts read values from the command line, validate required arguments, and process multiple log files safely.
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SQL JOIN Queries: Combine Related Data from Multiple Tables
Learn to connect accounts and orders with SQL JOIN queries, use INNER and LEFT JOINs, filter joined data, and summarize orders for every customer.
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SQL SELECT Queries: Read and Filter Customer Records
Learn the basics of SQL SELECT queries by reading customer data, choosing specific columns, and filtering records by city with WHERE.
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PowerShell Arrays: Store and Work with Multiple Values
Learn the basics of PowerShell arrays by storing device and computer inventory values, accessing items, counting entries, and looping through collections.
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