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PostgreSQL-CE PGCES-02: PostgreSQL CE 8 Silver Certification Path

The PGCES-02 Certification is a basic level certification organized by PostgreSQL mainly focusing on MySQL implementation skillset. There is no prerequisite for this exam. A Candidates can easily get through with the PGCES-02 exam provided the candidates have proper study material. Going through the PGCES-02 practice test is very important if candidates want to crack this exam. A combination of PGCES-02 practice exams and hands-on experience (attained via labs and/or field experience) provides the best preparation for passing the exam.

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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

• Geometry: Point, Line, Circle, Polygon

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

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

• Customizations: Composite, Custom Types

• Primitives: Integer, Numeric, String, Boolean

Data Integrity

• Explicit Locks, Advisory Locks

• Foreign Keys

• Primary Keys

• Exclusion Constraints

• UNIQUE, NOT NULL

Concurrency, Performance

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

• Transactions, Nested Transactions (via savepoints)

• Table partitioning

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

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

• Parallelization of read queries and building B-tree indexes

• Multi-Version concurrency Control (MVCC)

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

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

Reliability, Disaster Recovery

• Replication: Asynchronous, Synchronous, Logical

• Tablespaces

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

• Write-ahead Logging (WAL)

Security

• Column and row-level security

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

• Multi-factor authentication with certificates and an additional method

• Robust access-control system

Extensibility

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

• Many extensions that provide additional functionality, including PostGIS

• SQL/JSON path expressions

• Customizable storage interface for tables

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

• Stored functions and procedures

Internationalisation, Text Search

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

• Full-text search

• Case-insensitive and accent-insensitive collations

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

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