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SQLAlchemy is an open-source Python library that provides an SQL toolkit (called "SQLAlchemy Core") and an Object Relational Mapper (ORM) for database interactions. It allows developers to work with databases using Python objects, enabling efficient and flexible database access.
A database shard, or simply a shard, is a horizontal partition of data in a database or search engine. Each shard may be held on a separate database server instance, to spread load. Some data in a database remains present in all shards, [a] but some appears only in a single shard. Each shard acts as the single source for this subset of data. [1]
FETCH ABSOLUTE n FROM cursor_name FETCH RELATIVE n FROM cursor_name; Scrollable cursors can potentially access the same row in the result set multiple times. Thus, data modifications (insert, update, delete operations) from other transactions could affect the result set. A cursor can be SENSITIVE or INSENSITIVE to such data modifications.
More than 3,400 engines have been delivered. [5] In 2014, 2,976 civil engines were installed. [6] In 2017, the AE 3007 in the ERJ family had flown over 53 million hours and over 44 million cycles. [7] It was flown for more than 60 million hours. [8] The engine is manufactured at the Rolls-Royce North America engine plant in Indianapolis ...
Lynx was a product of the Distributed Computing Group within Academic Computing Services of the University of Kansas. [7] [8] It was initially developed in 1992 by a team of students and staff at the university (Lou Montulli, Michael Grobe and Charles Rezac) as a hypertext browser used solely to distribute campus information as part of a Campus-Wide Information System [9] and for browsing the ...
The result was the FJX-2 engine. Williams then contracted with Burt Rutan's Scaled Composites to design and build the Williams V-Jet II, a Very Light Jet to use as a testbed and technology demonstrator to showcase the new engine. The aircraft and engine were debuted at the 1997 Oshkosh Airshow.
Extensible Storage Engine (ESE), also known as JET Blue, is an ISAM (indexed sequential access method) data storage technology from Microsoft. ESE is the core of Microsoft Exchange Server , Active Directory , and Windows Search .
Cheat Engine (CE) is a proprietary, closed source [5] [6] memory scanner/debugger created by Eric Heijnen ("Byte, Darke") for the Windows operating system in 2000. [7] [8] Cheat Engine is mostly used for cheating in computer games and is sometimes modified and recompiled to support new games. It searches for values input by the user with a wide ...