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.

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1. Postgres uses a thread based process model?

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

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

Choose 2 option

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4. If we create a new tablespace which directory will symbolic links be created from?

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5. Who is the Author of the Postgres 14 Internals book?

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6. A Postgres cluster consists of 2 or more physical servers accessing one Postgres Instance?

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7. The default Page size is 2k?

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8. What is the purpose of the postgres database?

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9. Tablespaces are used to define physical data layout?

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

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11. How many files or forks on disk will a 10Mb table with no index have?

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12. What is the purpose of the template0 database?

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13. Files are logically split into pages?

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

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15. Postgres by default has built in connection pooling abilities?

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16. Which of the below objects can be referred to as relations?

choose 3

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

18 / 20

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

19 / 20

19. What is another name for the postgres process?

20 / 20

20. What is the purpose of the template1 database?

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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 parameters sets the database default isolation level?

2 / 10

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

3 / 10

3. What are some of database features we can use to avoid a non repeatable read?

Select more than 1 answer below:

4 / 10

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

5 / 10

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

6 / 10

6. The SQL standard specifies three isolation levels?

7 / 10

7. What is the default Isolation Level?

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8. Which of the below are valid Isolations Levels?

choose 2

9 / 10

9. What is the acronym used for the attributes that ensure Data consistency, integrity and durability?

10 / 10

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

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

2 / 10

2. psql provides a special mode that allows you to continue a transaction after a failure?

3 / 10

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

4 / 10

4. Information about subtransactions is stored under?

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

6 / 10

6. Page free space can often become fragmented?

7 / 10

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

8 / 10

8. CLOG files are stored in which directory?

9 / 10

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

10 / 10

10. Postgres table physical data files are always cross compatible across platforms?

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