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

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

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

• Customizations: Composite, Custom Types

• Geometry: Point, Line, Circle, Polygon

Data Integrity

• Primary Keys

• Exclusion Constraints

• UNIQUE, NOT NULL

• Explicit Locks, Advisory Locks

• Foreign Keys

Concurrency, Performance

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

• Multi-Version concurrency Control (MVCC)

• Table partitioning

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

• Transactions, Nested Transactions (via savepoints)

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

• Parallelization of read queries and building B-tree indexes

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

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

Reliability, Disaster Recovery

• Replication: Asynchronous, Synchronous, Logical

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

• Write-ahead Logging (WAL)

• Tablespaces

Security

• Multi-factor authentication with certificates and an additional method

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

• Robust access-control system

• Column and row-level security

Extensibility

• SQL/JSON path expressions

• Many extensions that provide additional functionality, including PostGIS

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

• Stored functions and procedures

• Customizable storage interface for tables

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

Internationalisation, Text Search

• Case-insensitive and accent-insensitive collations

• Full-text search

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

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

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