2018年2月9日 · SQL++ has much in common with SQL, but some differences do exist due to the different data models that the two languages were designed to serve. SQL was designed in the 1970’s for interacting with the flat, schema-ified world of relational databases, while SQL++ is much newer and targets the nested, schema-optional (or even schema-less) world ...

SQL++ allows you to shorten development cycles by using existing SQL database skills to easily query and manage JSON data. Your knowledge of SQL is transferable and easily applied to JSON querying with the familiar syntax used by SQL++.

SQL++, an SQL-compatible query language developed at the University of California, San Diego, extends SQL with a few simple features that enable it to query data in the popular JSON format. The goal of SQL++ is to empower developers to create a new generation of applications, leveraging their existing SQL-based knowledge and tools.

2014年5月14日 · SQL++ offers powerful computational capabilities for processing semi-structured data akin to prior non-relational query languages, notably OQL and XQuery. Yet, SQL++ is SQL backwards compatible and is generalized towards JSON by introducing only a small number of query language extensions to SQL.

Outline What is SQL++ ? How we use SQL++ in UCSD’s FORWARD ? Introduction to the formal survey of NoSQL, NewSQL and SQL-on-Hadoop SQL++ : Data model + query language for querying both structured data (SQL) and semistructured data (native JSON)

405.3631). for semi-structured Papakonstantinou University JSON data of California, publications, SQL++ is a parameterized language, with a syntax similar described language, with null and that of the well-known or missing with parameters values and pertaining aspects of its to SQL semantics extensions. as Couchbase web-scale applications is a d...

SQL++ embraces the JSON document model and uses SQL-like syntax. In SQL++, you operate on JSON documents, and the result of your operation is another JSON document. You can run SQL++ queries from the command line, using the cbq tool, or from the Query Workbench in the Couchbase Server Web Console.

Learn and try out N1QL for Analytics – a Couchbase implementation of SQL++. SQL++ is a declarative query language for JSON data which is compatible with SQL.

command-line tools such as MySQL's mysql-client, PostgreSQL's psql, and Oracle's sqlplus. It has features such as multiple connections, multi-database interfacing, subselects for all …

Unlike SQL’s FROM clause variables, which bind to tuples only, the FROM clause variables of SQL++ bind to any JSON element. SQL++ is fully composable in the sense that subqueries can appear anywhere, potentially creating nested results when they appear in the SELECT clause.