Lesson list for Level 18 of CodeGym's SQL & Hibernate quest

Problems of concurrent transactions
SQL & Hibernate
Level 18, Lesson 0
Introduction. Lost update. Dirty reading. Non-repetitive reading. Reading phantoms.
Available
Transaction isolation levels
SQL & Hibernate
Level 18, Lesson 1
Read uncommitted Read committed Repeatable read Serializable Transaction isolation support in real DBMS
Available
ACID concept
SQL & Hibernate
Level 18, Lesson 2
Emergence of ACID Emergence of Transactions ACID Connectivity
Available
C.A.P. theorem
SQL & Hibernate
Level 18, Lesson 3
Pro Brewer Consistency Proving the “theorem” of ACID transactions
Available
Transactions and more
SQL & Hibernate
Level 18, Lesson 4
The Concurrency Problem Transactions Came to Save Us "I" and Other Letters in ACID
Available
BASE vs ACID
SQL & Hibernate
Level 18, Lesson 5
Battle of Abbreviations: BASE vs. ACID. BASE as an antagonist. So the BASE databases don't meet the ACID criteria at all? how different databases index data, and how this affects durability, and more. How in-memory DBs work.
Available
How to Implement ACID in Your Application: Theory
SQL & Hibernate
Level 18, Lesson 6
Why is it necessary. Basic toolkit for lovers of transactions. Idempotency of operations.
Available
How to implement ACID in an application: practice
SQL & Hibernate
Level 18, Lesson 7
transaction ID. Retries ("retries"). Advanced toolkit for lovers of transactions. How do I know when I need ACID guarantees? When do I not need ACID?
Available