How to Prepare for PostgreSQL-CE PGCES-02: PostgreSQL CE 8 Silver Exam

Preparation Guide for PostgreSQL-CE PGCES-02: PostgreSQL CE 8 Silver Exam

Introduction

PostgreSQL is an efficient, open source object-relational database framework that employs and expands the SQL language, as well as numerous features for safely storing and scaling the most complex data workloads. PostgreSQL's roots can be traced back to 1986 as part of the POSTGRES project at the University of California, Berkeley, and the main platform has been actively developed for more than 30 years.

PostgreSQL has a solid reputation for its validated design, dependability, data confidentiality, robust feature set, extensibility, and the open source community's commitment to continuously delivering performant and creative solutions. PostgreSQL is compatible with all major operating systems, has been ACID-compliant since 2001, and includes important add-ons such as the common PostGIS geospatial database extender. It's no wonder that many individuals and companies choose PostgreSQL as their open source relational database of preference.

PostgreSQL has a bundle of features designed to assist developers in building apps, administrators in protecting data confidentiality and building fault-tolerant systems, and you in managing the data regardless of how large or tiny the dataset is. PostgreSQL is strongly extensible in addition to being free and open source. You can, for example, describe your own data types, create custom functions, and even compose code in various programming languages without having to recompile your database. PostgreSQL aims to adhere to the SQL format where this does not clash with conventional functionality or contribute to bad design decisions. Many of the SQL standard's features are supported, but with somewhat different syntax or purpose. More conformity is likely to follow in the future. PostgreSQL conforms to at least 170 of the 179 required functionality for SQL:2016 Core conformance as of the September 2020 update of version 13. As of this date, no relational database satisfies this norm in its entirety.

This certification is for:

• Implementers

• Administrators

In this guide, we will cover the PGCES-02 practice test, PGCES-02 Certified professional salary and all aspects of the PGCES-02 exam dumps.

Reference: https://www.postgresql.org/about/news/postgresql-ce-8-silver-release-676/

Topics of PostgreSQL-CE PGCES-02: PostgreSQL CE 8 Silver Exam

Candidates must know the exam topics before they start preparation. Our PGCES-02 exam dumps will include the following topics:

Data Types

• Primitives: Integer, Numeric, String, Boolean

• Customizations: Composite, Custom Types

• Geometry: Point, Line, Circle, Polygon

• Document: JSON/JSONB, XML, Key-value (Hstore)

• Structured: Date/Time, Array, Range, UUID

Data Integrity

• Explicit Locks, Advisory Locks

• Exclusion Constraints

• Primary Keys

• Foreign Keys

• UNIQUE, NOT NULL

Concurrency, Performance

• Transactions, Nested Transactions (via savepoints)

• Indexing: B-tree, Multicolumn, Expressions, Partial

• Sophisticated query planner / optimizer, index-only scans, multicolumn statistics

• Advanced Indexing: GiST, SP-Gist, KNN Gist, GIN, BRIN, Covering indexes, Bloom filters

• Table partitioning

• Just-in-time (JIT) compilation of expressions

• Multi-Version concurrency Control (MVCC)

• All transaction isolation levels defined in the SQL standard, including Serializable

• Parallelization of read queries and building B-tree indexes

Reliability, Disaster Recovery

• Write-ahead Logging (WAL)

• Tablespaces

• Replication: Asynchronous, Synchronous, Logical

• Point-in-time-recovery (PITR), active standbys

Security

• Multi-factor authentication with certificates and an additional method

• Authentication: GSSAPI, SSPI, LDAP, SCRAM-SHA-256, Certificate, and more

• Column and row-level security

• Robust access-control system

Extensibility

• Procedural Languages: PL/PGSQL, Perl, Python (and many more)

• SQL/JSON path expressions

• Stored functions and procedures

• Foreign data wrappers: connect to other databases or streams with a standard SQL interface

• Customizable storage interface for tables

• Many extensions that provide additional functionality, including PostGIS

Internationalisation, Text Search

• Case-insensitive and accent-insensitive collations

• Full-text search

• Support for international character sets, e.g. through ICU collations

Who should take the PostgreSQL-CE PGCES-02: PostgreSQL CE 8 Silver exam

The PGCES-02 exam test is ideal for those technical professionals who want to accelerate their knowledge of MySQL management and implementation. There is no such prerequisite for the PGCES-02 exam. Anyone who has some skillset in MySQL, or has an interest in learning MySQL implementation can prepare for the PGCES-02 exam.