Useful Links
1. Introduction to Stream Processing
2. Fundamentals of Apache Kafka
3. Introduction to ksqlDB
4. Setting Up the Environment
5. ksqlDB Data Definition Language (DDL)
6. Querying and Transforming Data
7. Aggregations and Windowing
8. Joining Streams and Tables
9. Advanced ksqlDB Features
10. Building Real-Time Applications
11. Operations and Production Considerations
  1. Computer Science
  2. Stream Processing

Streaming Data Processing with Apache Kafka and KSQL

1. Introduction to Stream Processing
2. Fundamentals of Apache Kafka
3. Introduction to ksqlDB
4. Setting Up the Environment
5. ksqlDB Data Definition Language (DDL)
6. Querying and Transforming Data
7. Aggregations and Windowing
8. Joining Streams and Tables
9. Advanced ksqlDB Features
10. Building Real-Time Applications
11. Operations and Production Considerations
  1. Querying and Transforming Data
    1. Basic SELECT Statements
      1. Syntax of SELECT
        1. Projecting Columns
          1. Using Aliases
            1. Column Ordering
            2. Filtering Data
              1. The WHERE Clause
                1. Syntax and Usage
                  1. Filter Conditions
                  2. Comparison Operators
                    1. Equality and Inequality
                      1. Range Comparisons
                      2. Logical Operators
                        1. AND, OR, NOT
                          1. Operator Precedence
                          2. Pattern Matching
                            1. LIKE Operator
                              1. Regular Expressions
                            2. Data Transformation
                              1. Built-in Scalar Functions
                                1. String Functions
                                  1. CONCAT
                                    1. SUBSTRING
                                      1. UPPER
                                        1. LOWER
                                          1. TRIM
                                            1. REPLACE
                                            2. Numeric Functions
                                              1. ABS
                                                1. ROUND
                                                  1. CEIL
                                                    1. FLOOR
                                                      1. MOD
                                                        1. POWER
                                                        2. Date and Time Functions
                                                          1. TIMESTAMPTOSTRING
                                                            1. STRINGTOTIMESTAMP
                                                              1. DATEADD
                                                                1. DATESUB
                                                                  1. EXTRACT
                                                                2. Type Casting with CAST
                                                                  1. Syntax and Use Cases
                                                                    1. Supported Type Conversions
                                                                  2. Handling Complex Data Types
                                                                    1. Accessing STRUCT Fields
                                                                      1. Dot Notation
                                                                        1. Nested Structure Access
                                                                        2. Working with ARRAYs
                                                                          1. Array Functions
                                                                            1. Array Element Access
                                                                              1. Array Manipulation
                                                                              2. Working with MAPs
                                                                                1. Map Functions
                                                                                  1. Key-Value Access
                                                                                    1. Map Manipulation

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                                                                                5. ksqlDB Data Definition Language (DDL)

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                                                                                7. Aggregations and Windowing

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