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Relational model
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291	SQL’s Three-Valued Logic and Certain Answers Leonid Libkin School of Informatics, University of Edinburgh Abstract SQL uses three-valued logic for evaluating queries on databases with nulls. The standard theoretical ap Add to Reading List Source URL: homepages.inf.ed.ac.uk Language: English - Date: 2015-01-10 06:40:54 Relational model Null Relational algebra Conjunctive query FO SQL Function Symbol Data management Mathematics Computing
292	Noname manuscript No. (will be inserted by the editor) Certain Answers over Incomplete XML Documents: Extending Tractability Boundary Add to Reading List Source URL: homepages.inf.ed.ac.uk Language: English - Date: 2014-11-26 07:55:10 Conjunctive query Database theory Relational model Complexity classes Model theory Null Data integration SQL FO Data management Computing Mathematics
293	Gagnasafnsfræði Kynning Hallgrímur H. Gunnarsson What is a DBMS? A Database Management System is a software package to manage data Add to Reading List Source URL: gsf.hhg.to Language: English - Date: 2012-04-03 10:30:38 Database management systems Data Database theory Cross-platform software SQL Database Microsoft SQL Server IBM DB2 Relational model Data management Relational database management systems Computing
294	On Query Algebras for Probabilistic Databases Christoph Koch Department of Computer Science Cornell University, Ithaca, NY Add to Reading List Source URL: homepages.inf.ed.ac.uk Language: English - Date: 2008-12-15 11:21:37 Mathematics Data Database management systems Relational database management systems SQL Relational algebra Relational database Probabilistic database Relation Data management Relational model Database theory
295	On the Complexity of Query Answering over Incomplete XML Documents Amelie ´ Gheerbrant Leonid Libkin Add to Reading List Source URL: homepages.inf.ed.ac.uk Language: English - Date: 2012-04-04 06:15:23 Complexity classes Conjunctive query Database theory Relational model Data integration FO Relational algebra Lowest common ancestor SQL Computing Theoretical computer science Data management
296	Reasoning About Pattern-Based XML Queries Am´elie Gheerbrant1, Leonid Libkin1, and Cristina Sirangelo2 1 School of Informatics, University of Edinburgh 2 Add to Reading List Source URL: homepages.inf.ed.ac.uk Language: English - Date: 2013-06-07 12:18:52 Conjunctive query Database theory Complexity classes Relational model Structure Data integration Symbol FO Boolean satisfiability problem Theoretical computer science Mathematics Data management
297	Gagnasafnsfræði SQL Hallgrímur H. Gunnarsson Part I: Introduction Add to Reading List Source URL: gsf.hhg.to Language: English - Date: 2012-04-03 10:30:35 Select SQL Condition Join Relational model From Having Database index Where Data management SQL keywords Computing
298	CS109A Notes for LectureDatabase Relations The relational model upon which modern database systems are based uses a slight variant of k-ary relations from set theory. Add to Reading List Source URL: infolab.stanford.edu Language: English - Date: 2008-09-19 00:58:31 Relation Tuple BB gun Finitary relation Binary relation Selection Relational database Relational algebra Mathematics Relational model Structure
299	Limited Access Death Master File: Online Search Price List and Order Form National Technical Information Service Add to Reading List Source URL: www.ntis.gov Language: English - Date: 2015-02-13 16:24:48 Concurrent use registration Subscription business model SQL Data management Notation National Technical Reports Library National Technical Information Service Relational database management systems Computing
300	Scaling Up to Objects Matisse Gives Threshold Networks an SQL-Friendly Migration Path to Object-Based Distributed Solutions When it came time to scale up and out to a distributed model of its IP network management produc Add to Reading List Source URL: www.adb.com Language: English - Date: 2004-04-28 17:30:06 Relational database management systems Database models Data mapping Object-relational mapping Object database Database SQL IP address Internet protocol suite Data management Database management systems Computing

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