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In a SQL database query, a correlated subquery (also known as a synchronized subquery) is a subquery (a query nested inside another query) that uses values from the outer query. This can have major impact on performance because the correlated subquery might get recomputed every time for each row of the outer query is processed.
Stack Overflow is a question-and-answer website for computer programmers. It is the flagship site of the Stack Exchange Network . [ 2 ] [ 3 ] [ 4 ] It was created in 2008 by Jeff Atwood and Joel Spolsky .
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
Embedded SQL is a method of combining the computing power of a programming language and the database manipulation capabilities of SQL. Embedded SQL statements are SQL statements written inline with the program source code, of the host language. The embedded SQL statements are parsed by an embedded SQL preprocessor and replaced by host-language ...
Stack Exchange uses IIS, SQL Server, [61] and the ASP.NET framework, [61] all from a single code base for every Stack Exchange site (except Area 51, which runs off a fork of the Stack Overflow code base). [62] Blogs formerly used WordPress, but they have been discontinued. [63] The team also uses Redis, HAProxy and Elasticsearch. [61]
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Binge eating disorder is the most common type of eating disorder in the U.S. Binge eating is characterized as eating large amounts of food in a short period, typically under two hours.
By Daniel Wiessner (Reuters) - Alphabet's Google is facing a second complaint from a U.S. labor board claiming that it is the employer of contract workers and must bargain with their union, the ...