Relational Databases
13h 15m 17s
English
Paid
Course description
Modern business processes depend on data, and most companies use complex database management systems (DBMS) for storing and processing it. The development of database technologies and competitive pressure have led to the creation of powerful and complex systems, the use of which requires deep understanding. Errors in working with such systems can be costly. This course provides fundamental knowledge about the operation of DBMS, allowing for informed decision-making in the design and use of relational databases.
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During the course exercises, you will create a simple relational database management system. The exercises are designed to allow you to solve tasks independently, referring to video guides and additional explanations only when necessary. Instead of a rigid definition of exercise completion, you are provided with flexibility: you can focus on core tasks and interesting additional goals.
The course also includes seminars recorded with participants from CS Primer, which cover complex conceptual aspects that are difficult to understand in an exercise format. It is recommended to attend the seminars after studying the corresponding course module.
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/ #1: 001 Basic query executor
All Course Lessons (19)
| # | Lesson Title | Duration | Access |
|---|---|---|---|
| 1 | 001 Basic query executor Demo | 58:27 | |
| 2 | 002 A brief overview of query execution using EXPLAIN | 42:43 | |
| 3 | 003 Observing PostgreSQL client and server communication | 12:27 | |
| 4 | 004 A very brief history of early DBMSs | 22:19 | |
| 5 | 005 Column vs row stores | 08:43 | |
| 6 | 006 What is the core of a core dump or out of core sort | 04:51 | |
| 7 | 007 CSV FileScan | 01:03:36 | |
| 8 | 008 Heap File | 02:06:34 | |
| 9 | 009 Basic inserts | 01:01:10 | |
| 10 | 010 The layout of a PostgreSQL table | 35:22 | |
| 11 | 011 Nested loops join | 01:00:55 | |
| 12 | 012 Hash join | 40:18 | |
| 13 | 013 Sort-merge join | 01:38:55 | |
| 14 | 014 Aggregation | 58:22 | |
| 15 | 015 What is a join | 20:50 | |
| 16 | 016 The three basic join stratgies | 18:54 | |
| 17 | 017 Nested loop variants and practical considerations | 15:25 | |
| 18 | 018 Hash join variants and practical considerations | 14:58 | |
| 19 | 019 Transactions the big picture | 30:28 |
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