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Completeness of Queries over Incomplete Databases
Completeness of Queries over Incomplete Databases

... respect possible constraints and adding further tuples. For a fixed formalism for representing incomplete databases, the most investigated questions are how the general query answers over incomplete databases can be represented, and how the set of possible answers and of certain answers can be compu ...
Programmatic SQL
Programmatic SQL

... Embedded SQL statements SQL statements are embedded directly into the program source code and mixed with the host language statements. This approach allows users to write programs that access the database directly. A special precompiler modifies the source code to replace SQL statements with calls t ...
Database Slicing on Relational Databases
Database Slicing on Relational Databases

... The program slicing of database-driven applications introduces new problems. The statements responsible for handling data in the database are often not present in the output of a slicing procedure; however, attempts have been made to extend program slicing with database support [1]. Our research que ...
an exploration of - SJSU Engineering
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... DIS ...
SQL Tutorial - TutorialsPoint
SQL Tutorial - TutorialsPoint

...  Copyright 2017 by Tutorials Point (I) Pvt. Ltd. All the content and graphics published in this e-book are the property of Tutorials Point (I) Pvt. Ltd. The user of this e-book is prohibited to reuse, retain, copy, distribute or republish any contents or a part of contents of this e-book in any man ...
SQL Tutrial
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Overview of JDBC and Pro* C
Overview of JDBC and Pro* C

... • Incase you reside at an off-campus location, you will not be able to directly access http://omega.uta.edu using SSH • You will need to download and connect using a VPN client and then connect through SSH to omega. • The VPN client can be downloaded from http://www.uta.edu/oit/clientservices/networ ...
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Transact-SQL
Transact-SQL

... Specifies that duplicate rows can appear in the result set. ALL is the default. DISTINCT Specifies that only unique rows can appear in the result set. Null values are considered equal for the purposes of the DISTINCT keyword. TOP (expression ) [ PERCENT ] [ WITH TIES ] Indicates that only a specifie ...
Erlang ODBC
Erlang ODBC

... When you do application:start(odbc) the only thing that happens is that a supervisor process is started. For each call to the API function connect/2 a process is spawned and added as a child to the Erlang ODBC supervisor. The supervisors only tasks are to provide error-log reports, if a child proces ...
Integrating MicroStrategy Analytics Platform with Oracle
Integrating MicroStrategy Analytics Platform with Oracle

Merging What`s Cracked, Cracking What`s Merged
Merging What`s Cracked, Cracking What`s Merged

sql – structured query language
sql – structured query language

... keys are called candidate keys. The candidate key constraint indicates that the table cannot contain two different rows with the same values under candidate key columns. • foreign keys (referential integrity): Many a times, it is necessary to include column names from one table in another table. Exa ...
MIS9eXLMC
MIS9eXLMC

... Describe the process of creating an intersection relation to remove a many-to-many relationship. © McGraw-Hill Companies, Inc., McGraw-Hill/Irwin ...
handling inconsistency in databases and data integration systems
handling inconsistency in databases and data integration systems

... database repairs. The database repairs are used as auxiliary concepts of the definition, but it does not mean that all the possible repairs need to be produce in order to obtain the consistent answers. Consistent answers can be sometimes obtained by posing a rewritten query on the database [Arenas e ...
RDBMS LAB MANUAL Roll.No:1
RDBMS LAB MANUAL Roll.No:1

...  Report Writer: Report writer allows programmers to prepare innovative reports using data from the oracle structures like tables, views etc. It is the report writer tool that handles the reporting section of commercial application.  Oracle Graphics: Some of the data can be better represented in th ...
Document
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... Example: Suppose employees of a bank may have jobs (responsibilities) at multiple branches, with different jobs at different branches. Then there is a ternary relationship set between entity sets employee, job, and branch  Relationships between more than two entity sets are rare. Most ...
Database Management System
Database Management System

... generalized routines for some of the most common and frequently used tasks. A general routine by its nature tends to be somewhat less efficient than a routine designed for a specific problem. In the late fifties and early sixties, when the hardware costs were high, use of general routines was not ve ...
CMPS 277 – Principles of Database Systems Lecture #13
CMPS 277 – Principles of Database Systems Lecture #13

Chapter 5 Logical Database Design and the Relational Model
Chapter 5 Logical Database Design and the Relational Model

... methodology (if any) each uses for conceptual design: E-R diagrams, object diagrams, etc. Then determine how these models are transformed to logical data models (relational schema, object-oriented designs, etc.). To what extent are these activities automated through the use of CASE tools? If the tar ...
Guided Test Generation for Database Applications via Synthesized
Guided Test Generation for Database Applications via Synthesized

... tion at runtime, making the analysis more precise [10]. DSE first starts with default or random inputs and executes the program concretely. Along the execution, DSE simultaneously performs symbolic execution to collect symbolic constraints on the inputs obtained from predicates in branch conditions. ...
PowerPoint slides
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... – A deployment descriptor is a text file containing the create and grant statements to do on install_jar, and the drop and revoke statements to do on remove_jar. – A deployment descriptor is contained in a jar file with the classes it describes. – The install_jar procedure will implicitly perform th ...
Internet Movie Database - Part 1
Internet Movie Database - Part 1

Working with Databases in PHP
Working with Databases in PHP

...  The returned result depends on the query  If query is select, show, describe, explain – returns resource or false on error  Otherwise true if successful, false on error ...
Mapping RDF and RDF-Schema to the Entity Relationship Model
Mapping RDF and RDF-Schema to the Entity Relationship Model

... given that RDF and relational models have differing architectures, there is a significant challenge in storing RDF in the relational model [9, 24]. In order to bridge this gap in architectures, in this paper we look at a mapping of RDF to a data modeling visualization paradigm, the Entity Relationsh ...
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Relational algebra

Relational algebra, first described by E.F. Codd while at IBM, is a family of algebra with a well-founded semantics used for modelling the data stored in relational databases, and defining queries on it.The main application of relational algebra is providing a theoretical foundation for relational databases, particularly query languages for such databases, chief among which is SQL.
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