Most Recent PostgreSQL PGCES-02 Exam Questions & Answers

Prepare for the PostgreSQL CE 8 Silver exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the PostgreSQL PGCES-02 exam and achieve success.

The questions for PGCES-02 were last updated on Dec 21, 2024.

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Question No. 1

Select two suitable statements about sequences.

AA sequence always returns a 4-byte INTEGER type value, so the maximum value is 2147483647.

BA sequence is defined by 'CREATE SEQUENCE', and deleted by 'DROP SEQUENCE'.

CAlthough the 'nextval' function is called during a transaction, it will have no effect if that transaction is rolled back.

DA sequence always generates 0 or consecutive positive numbers.

EA sequence number can be set by calling the 'setval' function.

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Correct Answer: B, E

Question No. 2

Select two suitable statements about major version upgrades of PostgreSQL from below.

AYou can use the databases of the old major version.

BTo use the data from the old version, you only need to replace the program.

CTo use the data from the old version, you need to conduct a backup and restore.

DThere is a possibility of configuration parameter changes after major version upgrades.

EUpgrade scripts can be executed while the old version of PostgreSQL is running.

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Correct Answer: C, D

Question No. 3

The table "tbl" is defined below such that it could only store non-negative integers in the column "nn". Select the keyword that is applicable for the underlined blank. CREATE _______ natural_number AS DECIMAL CHECK (VALUE >= 0); CREATE TABLE tbl(nn natural_number);

AVIEW

BSCHEMA

CRULE

DTYPE

EDOMAIN

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Correct Answer: E

Question No. 4

Select one option which cannot be specified using createdb.

ADatabase locale

BCharacter encoding

CHost name

DDatabase owner

ETemplate database

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Correct Answer: A

Question No. 5

The following is the result of executing the createlang command which is installed with

PostgreSQL. $ createlang -U postgres --list mydb Procedural Languages Name |

Trusted?

---------+---------plpgsql | yes Select two correct statements from below.

AThe procedural language plpgsql is installed in the database mydb using the above command.

BThe procedural language plpgsql can be used in the database mydb.

Cplpgsql is a trusted language, so it can execute the OS commands on the server side.

Dplpgsql is a trusted language, so it can read/write OS files on the server side.

Eplpgsql is a safe language with restricted operations.

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Correct Answer: B, E

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