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JavaScript Object Notation (JSON) is often used as an alternative format for data interchange, [15] although other formats such as preformatted HTML or plain text can also be used. [16] A variety of popular JavaScript libraries, including jQuery, include abstractions to assist in executing Ajax requests.
A range query is a common database operation that retrieves all records where some value is between an upper and lower boundary. [1] For example, list all employees with 3 to 5 years' experience. Range queries are unusual because it is not generally known in advance how many entries a range query will return, or if it will return any at all.
First, it means searching for class and function declarations, usages, variable and field read/write, etc. IDEs can use different kinds of user interface for code search, for example form-based widgets [10] and natural-language based interfaces. Second, it means searching for a concrete implementation of some specified functionality.
The SQL standards committee defined the embedded SQL standard in two steps: a formalism called Module Language was defined, then the embedded SQL standard was derived from Module Language. [1] The SQL standard defines embedding of SQL as embedded SQL and the language in which SQL queries are embedded is referred to as the host language.
A data visualisation tool that originally shipped as part of SQL Server 2012, later an add-in for Microsoft Excel [142] SQL14 SQL Server 2014 Version 12 [143] Hekaton: SQL Server In-Memory OLTP In-memory database engine built into SQL Server 2014 [144] SQL16 SQL Server 2016 Version 13 [145] Helsinki SQL Server 2017 Version 14 [146] [147] Seattle
Selenium Grid is a server that allows tests to use web browser instances running on remote machines. With Selenium Grid, one server acts as the central hub. Tests contact the hub to obtain access to browser instances. The hub has a list of servers that provide access to browser instances (WebDriver nodes), and lets tests use these instances.
Broadly, query languages can be classified according to whether they are database query languages or information retrieval query languages. The difference is that a database query language attempts to give factual answers to factual questions, while an information retrieval query language attempts to find documents containing information that is relevant to an area of inquiry.
SQL includes operators and functions for calculating values on stored values. SQL allows the use of expressions in the select list to project data, as in the following example, which returns a list of books that cost more than 100.00 with an additional sales_tax column containing a sales tax figure calculated at 6% of the price.