Postgres Quiz Archive

You have 200 seconds to answer 20 Random questions so think fast!

You will need to score 80% or over to pass!

Created by Paul Sammy

PostgreSQL 14 Internals Chapter 1

A quiz to test the knowledge of those reading and learning from Postgres 14 Internals book by Egor Rogov, covering topics in Chapter 1.

1 / 20

1. What is the point of the pg_global tablespace?

2 / 20

2. What is another name for the postgres process?

3 / 20

3. What is the name of the directory that contains the files related to the Postgres cluster?

4 / 20

4. It is the postmasters job to listener for incoming connections?

5 / 20

5. The default Page size is 2k?

6 / 20

6. Tablespaces are used to define physical data layout?

7 / 20

7. What is the name of the system catalog table for relations?

8 / 20

8. What is the purpose of the public schema?

9 / 20

9. What is the process first launched at server start?

10 / 20

10. What column in system catalogs servers as the Primary Key

11 / 20

11. The information_schema schema provides information on Postgres release notes?

12 / 20

12. A schema can belong to more than one database?

13 / 20

13. Users should not modify the template0 database

14 / 20

14. Files are logically split into pages?

15 / 20

15. A single Postgres Instance can server only one database?

16 / 20

16. Some System Catalog tables are common to all databases in the cluster?

17 / 20

17. Each tablespaces can only be assigned for use by one database

18 / 20

18. Which fork contains the actual table data?

19 / 20

19. Which fork is specific for unlogged tables?

20 / 20

20. System Catalog tables begin with which prefix?

Your score is

0%

Created by Paul Sammy

PostgreSQL 14 Internals Chapter 2

A quiz to test the knowledge of those reading and learning from Postgres 14 Internals book by Egor Rogov, covering topics in Chapter 2.

1 / 10

1. which of the below statements will start a transaction as Read Repeatable?

2 / 10

2. Which of the below would best describe a dirty read?

3 / 10

3. Snapshot isolation is preferred but increases the number of required locks?

4 / 10

4. A phantom read anomaly occurs when?

5 / 10

5. The more locks a transaction acquires, the better it is isolated from other transactions?

6 / 10

6. Which isolation level in theory could mean an application does not have to consider isolation anomalies?

7 / 10

7. Data Consistency is best handled at the application layer rather than at the database layer?

8 / 10

8. At any moment the database system can contain several versions of one and the same row?

9 / 10

9. Lost updates are forbidden by the standard at all isolation levels?

10 / 10

10. What is the default Isolation Level?

Your score is

0%

Created by Paul Sammy

PostgreSQL 14 Internals Chapter 3

A quiz to test the knowledge of those reading and learning from Postgres 14 Internals book by Egor Rogov, covering topics in Chapter 3.

1 / 10

1. Information about subtransactions is stored under?

2 / 10

2. CLOG contains how many bits for each transaction?

3 / 10

3. In Postgres, tables are often referred to as which of the below?

4 / 10

4. indexes do not use row versioning?

5 / 10

5. To identify different versions of one and the same row, PostgreSQL marks each of them with which two value?

6 / 10

6. UPDATE can be regarded as which 2 separate operations?

7 / 10

7. index row headers like table row headers contain xmin and xmax fields?

8 / 10

8. virtual IDs exist only in PGDATA/pg_vxid when not cached?

9 / 10

9. Which 2 items does a Virtual XID consist of?

10 / 10

10. The page Special Space is located at the start of the page with highest address

Your score is

0%