The WITHIN GROUP and FILTER SQL clauses of PostgreSQL 9.4
PostgreSQL 9.4 extends the SQL standard by inserting two new clauses that facilitate many operations required during the development of applications: the WITHIN GROUP and FILTER clauses.
PostgreSQL 9.4 extends the SQL standard by inserting two new clauses that facilitate many operations required during the development of applications: the WITHIN GROUP and FILTER clauses.
The 1.4.0 version of Barman adds new features such as incremental backup and automatic integration with pg_stat_archiver which aim to simplify the life of DBAs and system administrators.
The 9.4 version of PostgreSQL introduces the JSONB data type, a specialised representation of the JSON data, allowing PostgreSQL to be competitive in managing the “lingua franca” of the moment for the exchange of data via web services. It is useful to perform a number of tests to verify its actual performance.
The introduction of the JSONB data type in PostgreSQL, definitely makes the “NoSQL” side of this relational DBMS come out: this introduction meets the requirements of all those who prefer a data structure in a “key-value” array, dictionary style (widely used in the field of development) and, at the same time, ensures all the advantages […]
Written by Giuseppe Broccolo Since PostgreSQL 9.3, it is possible to update and insert into views directly, so long as the view refers to only one underlying table. PostgreSQL 9.4 allows us to use the CHECK clause for INSERTs into updatable views. For example, consider a table composed of just one integer column; and […]
Up until now, reading this blog has kept you up-to-date with the latest developments in PostgreSQL. This time I would like to invite you to meet the team of 2ndQuadrant at the PostgreSQL Conference Europe 2014 which took place in Madrid on October 21st-24th. As you know, 2ndQuadrant offers 7 days a week, 24 hours […]