PostgreSQL-CE PGCES-02: PostgreSQL CE 8 Silver Certified Professional salary

PGCES-02 exam test certified professional is in great demand nowadays. The average salary of a PGCES-02 Certified Expert in:

• Europe - 65,900 EURO

• United State - 70,550 USD

• India - 15,10,000 INR

• England - 62,250 POUND

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:

• Administrators

• Implementers

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The benefit of obtaining the PostgreSQL-CE PGCES-02: PostgreSQL CE 8 Silver Exam Certification

The certification exam is designed to help the candidate excel and command his future progression. It is designed to:

• An PostgreSQL PGCES-02 Certification helps to build a sense of trust with current and future employers that you can do the job.

• Empower individuals to execute tasks with confidence and skill

• Differentiate individuals in a crowded job market

• PGCES-02 Certifications provide opportunities to get a job easily which they are interested in instead of wasting years and ending up without getting any experience.

• PGCES-02 Certification is distinguished among competitors when you compare with non-certified individuals mainly while considering the interview.

• PGCES-02 certified candidates will be confident and stand different from others as their skills are more trained than non-certified professionals.

• Provide individuals with a mark of excellence that is extremely recognized by the clients and sought within across the industry.

• PGCES-02 Certification provides practical experience to candidates from all the aspects to be a proficient worker in the organization.

• PGCES-02 credential delivers higher earning potential and increased promotion opportunities because it shows a good understanding of MySQL implementation.

• PGCES-02 exam test provides proven knowledge to use the tools to complete the task more efficiently and cost-effectively than the other non-certified professionals.

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

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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

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

• Primitives: Integer, Numeric, String, Boolean

• Customizations: Composite, Custom Types

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

• Geometry: Point, Line, Circle, Polygon

Data Integrity

• Primary Keys

• Foreign Keys

• UNIQUE, NOT NULL

• Exclusion Constraints

• Explicit Locks, Advisory Locks

Concurrency, Performance

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

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

• Multi-Version concurrency Control (MVCC)

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

• Parallelization of read queries and building B-tree indexes

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

• Table partitioning

• Transactions, Nested Transactions (via savepoints)

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

Reliability, Disaster Recovery

• Tablespaces

• Replication: Asynchronous, Synchronous, Logical

• Write-ahead Logging (WAL)

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

Security

• Robust access-control system

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

• Multi-factor authentication with certificates and an additional method

• Column and row-level security

Extensibility

• Many extensions that provide additional functionality, including PostGIS

• Customizable storage interface for tables

• Stored functions and procedures

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

• SQL/JSON path expressions

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

Internationalisation, Text Search

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

• Full-text search

• Case-insensitive and accent-insensitive collations

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