Data Warehouse Development
... Data acquisition (back-end) software that extracts data from legacy systems and external sources, consolidates and summarizes them, and loads them into the data warehouse Client (front-end) software that allows users to access and analyze data from the warehouse ...
... Data acquisition (back-end) software that extracts data from legacy systems and external sources, consolidates and summarizes them, and loads them into the data warehouse Client (front-end) software that allows users to access and analyze data from the warehouse ...
Chapter 17: Parallel Databases
... join algorithm on the local partitions ri and s of r and s to produce a partition of the final result of the hash-join. Note: Hash-join optimizations can be applied to the parallel case ...
... join algorithm on the local partitions ri and s of r and s to produce a partition of the final result of the hash-join. Note: Hash-join optimizations can be applied to the parallel case ...
Document
... join algorithm on the local partitions ri and s of r and s to produce a partition of the final result of the hash-join. Note: Hash-join optimizations can be applied to the parallel case ...
... join algorithm on the local partitions ri and s of r and s to produce a partition of the final result of the hash-join. Note: Hash-join optimizations can be applied to the parallel case ...
transaction
... • 2PL is most common, but has an considerable overhead due to deadlock management, especially in case of conflicts • time stamps: concurrency control is done on the affected object, and hence is a very nice strategy in distributed systems and in the case of few conflicts • optimistic methods: effici ...
... • 2PL is most common, but has an considerable overhead due to deadlock management, especially in case of conflicts • time stamps: concurrency control is done on the affected object, and hence is a very nice strategy in distributed systems and in the case of few conflicts • optimistic methods: effici ...
(A) R
... Suppose that students are given roll numbers which are strings of the form CS0012 or EE1127 If the first two characters are extracted to find the department, the domain of roll numbers is not atomic. Doing so is a bad idea: leads to encoding of information in application program rather than in ...
... Suppose that students are given roll numbers which are strings of the form CS0012 or EE1127 If the first two characters are extracted to find the department, the domain of roll numbers is not atomic. Doing so is a bad idea: leads to encoding of information in application program rather than in ...
Chapter 18 - Java Database Connectivity (JDBC)
... – Spread across computers in network – Data stored where frequently used • Available to all users ...
... – Spread across computers in network – Data stored where frequently used • Available to all users ...
Effectively Updatable Conjunctive Views
... In this section we briefly recapitulate the general view update framework previously introduced in [7]. A view update is a function u : V → V associating each view state with another, possibly the same. Given a view update that modifies the current view state, we want to modify the database state ac ...
... In this section we briefly recapitulate the general view update framework previously introduced in [7]. A view update is a function u : V → V associating each view state with another, possibly the same. Given a view update that modifies the current view state, we want to modify the database state ac ...
Chapter_7_Building_Database
... than Oracle. Therefore, while the separation between users and schemas might seem trivial for Oracle, the distinction can be very important if you plan to work with other database systems. NOTE The scripts that you executed to support the practice exercises of this chapter and previous chapters crea ...
... than Oracle. Therefore, while the separation between users and schemas might seem trivial for Oracle, the distinction can be very important if you plan to work with other database systems. NOTE The scripts that you executed to support the practice exercises of this chapter and previous chapters crea ...
Using Automatic Workload Repository for Database
... ADDM Impact Breakdown • In Oracle Database 11g Release 2, ADDM can break down the impact of it’s findings by several dimensions including service, and session. ...
... ADDM Impact Breakdown • In Oracle Database 11g Release 2, ADDM can break down the impact of it’s findings by several dimensions including service, and session. ...
Change Management for SQL Server
... • Answer the following questions: – What is SQL Server 2005 Express and how is it any different than the other versions of SQL 2005? – Where do I get my copy? – What is the general installation process? – How do I create a database, then the tables and code to support my application? – What are some ...
... • Answer the following questions: – What is SQL Server 2005 Express and how is it any different than the other versions of SQL 2005? – Where do I get my copy? – What is the general installation process? – How do I create a database, then the tables and code to support my application? – What are some ...
NTAUG - Dominey
... Language” which is why we pronounce it ‘sequel’. Oracle, in 1979 had SQL as it’s query language After DB2 arrived and SQL became accepted, ANSI/ISO standards developed ...
... Language” which is why we pronounce it ‘sequel’. Oracle, in 1979 had SQL as it’s query language After DB2 arrived and SQL became accepted, ANSI/ISO standards developed ...
here. - NYU Computer Science
... Use of entity sets vs. relationship sets Possible guideline is to designate a relationship set to describe an action that occurs between entities Binary versus n-ary relationship sets Although it is possible to replace any nonbinary (n-ary, for n > 2) relationship set by a number of distinct bin ...
... Use of entity sets vs. relationship sets Possible guideline is to designate a relationship set to describe an action that occurs between entities Binary versus n-ary relationship sets Although it is possible to replace any nonbinary (n-ary, for n > 2) relationship set by a number of distinct bin ...
Midterm 2 Review - Department of Computer Science
... are both superkeys of Customer, if no two customers can possibly have the same name. K is a candidate key if K is minimal ...
... are both superkeys of Customer, if no two customers can possibly have the same name. K is a candidate key if K is minimal ...
ASP & Databases - Mark Dixon`s web site
... • ActiveX Data Objects (ADO) – common database interface • allow you to write code for any DBMS ...
... • ActiveX Data Objects (ADO) – common database interface • allow you to write code for any DBMS ...
Oracle Database Vault – DBA Best Practices
... • Can grant the CONNECT role to users • Can change password for all users except for Security Admins • As a best practice, customer should create personalized accounts for Accounts Admins ...
... • Can grant the CONNECT role to users • Can change password for all users except for Security Admins • As a best practice, customer should create personalized accounts for Accounts Admins ...
08_DBApplicationDeve.. - School of Information Technologies
... successfully finishes current transaction aborts current transaction checks whether there's an active transaction ...
... successfully finishes current transaction aborts current transaction checks whether there's an active transaction ...
Cross-sectional and Episodic Deduplication in Record Linkage
... To successfully deduplicate the PRN database two scenarios have to be taken into account. First a patient can switch from one caregiver to another during a single pregnancy that may result in multiple records in the database. These multiple records belong to the same patient as well as to the same e ...
... To successfully deduplicate the PRN database two scenarios have to be taken into account. First a patient can switch from one caregiver to another during a single pregnancy that may result in multiple records in the database. These multiple records belong to the same patient as well as to the same e ...
Using Meta-Layers for GIS Dataset Tracking and Management
... business objects and rules. This middle tier is often designed using UML and implemented with an Object Oriented programming language. ...
... business objects and rules. This middle tier is often designed using UML and implemented with an Object Oriented programming language. ...
cos 346 day 8 & 9
... foreign key in all related child rows to the new value – Cascading deletions automatically delete all related child rows Copyright © 2004 Database Processing: Fundamentals, Design, and Implementation, 9/e by David M. Kroenke ...
... foreign key in all related child rows to the new value – Cascading deletions automatically delete all related child rows Copyright © 2004 Database Processing: Fundamentals, Design, and Implementation, 9/e by David M. Kroenke ...
Develop Your Own Web Data Mart with MYSQL
... Open Office suite • Open Office replaces Microsoft Office Replaces all of Microsoft Office ...
... Open Office suite • Open Office replaces Microsoft Office Replaces all of Microsoft Office ...
11_TransactionMgmt_S..
... A transaction is a collection of one or more operations on one or more databases,which reflects a discrete unit of work In the real world, this happened (completely) or it didn’t happen at all (Atomicity) Can be read-only (e.g. RequestBalance), but typically updating ...
... A transaction is a collection of one or more operations on one or more databases,which reflects a discrete unit of work In the real world, this happened (completely) or it didn’t happen at all (Atomicity) Can be read-only (e.g. RequestBalance), but typically updating ...
Intro_to_IO_Monitoring_-_Counters_That_Count_
... EverGuard, SanDisk ION Accelerator, Fusion ioMemory, Fusion ioSphere, Fusion ioTurbine, Fusion ioVDI, and others are trademarks of SanDisk Enterprise IP LLC. Other brand names mentioned herein are for identification purposes only and may be the trademarks of their respective holder(s). ...
... EverGuard, SanDisk ION Accelerator, Fusion ioMemory, Fusion ioSphere, Fusion ioTurbine, Fusion ioVDI, and others are trademarks of SanDisk Enterprise IP LLC. Other brand names mentioned herein are for identification purposes only and may be the trademarks of their respective holder(s). ...
Database model
A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.