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

2 / 20

2. Tablespaces are used to define physical data layout?

3 / 20

3. pg_catalog schema is used to store system catalog tables?

4 / 20

4. Which of below are predefined schemas?

choose 3

5 / 20

5. What command is used to create the Postgres cluster?

6 / 20

6. What is the default standard size for a fork file?

7 / 20

7. How does Postgres know which schema to use if not specified?

8 / 20

8. What is the purpose of the template1 database?

9 / 20

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

10 / 20

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

11 / 20

11. What is the name of the mechanism used to store a row bigger than a page size?

12 / 20

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

13 / 20

13. System Catalog tables begin with which prefix?

14 / 20

14. What is another name for the postgres process?

15 / 20

15. Which of below are predefined schemas?

choose 2

16 / 20

16. When PostgreSQL is running what can it be referred to as?

Choose 2 option

17 / 20

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

18 / 20

18. Postgres server spawns a new backend session for each connection?

19 / 20

19. What is a schema?

20 / 20

20. Which fork contains the actual table data?

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

2 / 10

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

3 / 10

3. What is the default Isolation Level?

4 / 10

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

5 / 10

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

6 / 10

6. Based on Snapshot Isolation use of MVCC which of the below are permitted?

choose 3

7 / 10

7. The SQL standard specifies three isolation levels?

8 / 10

8. Which of the below are valid Isolations Levels?

choose 2

9 / 10

9. Which parameters sets the database default isolation level?

10 / 10

10. non-repeatable read anomaly occurs when?

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

3 / 10

3. The page header is located in the highest address?

4 / 10

4. Which 2 of the below represent transaction IDs used for row versioning?

5 / 10

5. Tuples can also be referred to as columns?

6 / 10

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

7 / 10

7. Indexes values also support multi versioning with several versions of an index value existing at any point in time?

8 / 10

8. Which function can we use to find the current transaction ID?

9 / 10

9. at any one time Postgres can have several versions of a row?

10 / 10

10. If a transaction is read only which kind of Transaction ID is it allocated?

Your score is

0%