• Study Resource
  • Explore
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Consolidation Best Practices: Oracle Database 12c plugs you into
Consolidation Best Practices: Oracle Database 12c plugs you into

... All of these goals are achievable via a good consolidation strategy, which is all well and good, but much more can be achieved if consolidation is viewed as building a platform on which an enterprise cloud can be developed. Database consolidation may start out as the primary driver of a business ini ...
Ray Williams` slides
Ray Williams` slides

... Note there is a current controversy where Progress Software and NuSphere Corporation have set up another site http://www.mysql.org in violation of the MySQL Copyright ...
Cli - Sheriff
Cli - Sheriff

... Providing requirements traceability. Planning maintenance and enhancements Understanding the logical architecture of the system Outsourcing the construction of the system ...
Document
Document

... Required Data – NOT NULL prevents NULL values in the column Optional Default Value – Used when later INSERTS don’t specify a value • CREATE TABLE statements for a given table can vary slightly from one DBMS brand to another, due to differing data types and keywords • Following syntaxes closest to th ...
SQL Server 2000 Editions
SQL Server 2000 Editions

... • The first step in using multiple disks to optimize your SQL Server 2000 production environment is to use separate disks for your transaction log files and your data files. This separation will ensure recoverability in case of a disk failure. • Use dedicated disks for all SQL Server 2000 files wher ...
SQL: Programming Motivation JDBC Connections Statements Query
SQL: Programming Motivation JDBC Connections Statements Query

The Top 5 Use Cases of Graph Databases
The Top 5 Use Cases of Graph Databases

... Example: A Large European Telecom Provider To showcase the use of a graph database in the IT and network operations sector, here is an excerpt from an interview with a software consultant who helped implement a graph database solution for one of Europe’s largest telecommunication providers. “This te ...
LECTURE 4 DATABASE PROGRAMMING SQL FUNCTION ON PL
LECTURE 4 DATABASE PROGRAMMING SQL FUNCTION ON PL

Networking and Distributed Processing
Networking and Distributed Processing

... Offers users increased reliability and availability over single-machine implementations Designers must provide mechanisms to ensure consistency among the state information at different machines ...
ppt - Avi Silberschatz
ppt - Avi Silberschatz

... Easy for limited capability scripting languages, harder for general purpose programming languages like Java ...
DBA_Cheat_Sheet
DBA_Cheat_Sheet

...  Registered Servers: https://www.mssqltips.com/sqlservertip/1996/registering-sqlserver-instances-for-easier-management/  Import and Export Registered Servers: https://www.mssqltips.com/sqlservertip/2015/import-and-export-registered-sqlservers-to-other-machines/  Display Line Numbers in Query Wind ...
download
download

... data transformation process it is however useful (and feasible) to map these structures into a structural object-oriented data model and make implicit data structures in this way explicit. In principle, one could perform this step by defining import schemas, like in a federated DBMS architecture [25 ...
while($row=mysql_fetch_array($result))
while($row=mysql_fetch_array($result))

... MySQL is probably the world's most popular “open source” database in the present and its newest releases are in the version 5. The main reason for popularity can be explained by the number of the open source community users, and the GPL (General Public License) license facility. Although this kind o ...
Hibernate
Hibernate

... normalized tables The programmer must convert the object values into groups of simpler values for storage in the database (and convert them back on retrieval) or Use only simple scalar values within the program ...
Databases and
Databases and

... information needed for a complete picture of business operations, lack of data consistency • Solutions: Build a data warehouse with a single global enterprise-wide database; replacing 17 database technologies and 14,000 databases in use • Created consistent data models for all enterprise data and pr ...
MISA 121 - Chapter Six
MISA 121 - Chapter Six

... information needed for a complete picture of business operations, lack of data consistency • Solutions: Build a data warehouse with a single global enterprise-wide database; replacing 17 database technologies and 14,000 databases in use • Created consistent data models for all enterprise data and pr ...
Informatica Map/Session Tuning Covers basic, intermediate, and
Informatica Map/Session Tuning Covers basic, intermediate, and

... PERL, SED, AWK, GREP instead. The Application Programmers Interface (API) which calls externals is inherently slow (as of: 1/1/2000). Hopefully Informatica will speed this up in the future. The external module which exhibits speed problems is the regular expression module (Unix: Sun Solaris E450, 4 ...
ch7
ch7

SecureDBaaS Architecture For Encrypted Cloud Database
SecureDBaaS Architecture For Encrypted Cloud Database

... Individuals need data when and where it is required. To make it possible, this information needs to be uploaded to central data repositories through network. Organizations are also be influenced by on fast and reliable access to information. The increase in dependence of businesses and an individual ...
Designing Secure Indexes for Encrypted Databases
Designing Secure Indexes for Encrypted Databases

... A common technique to speed up the execution of queries in databases is to use a pre-computed index [5]. However, once the data is encrypted, the use of standard indexes is not trivial and depends on the encryption function used. Most encryption functions preserve equality, thus, ”Hash” indexes can ...
Prerequisites to enable the software development environment: The
Prerequisites to enable the software development environment: The

... Prerequisites to enable the software development environment: The MYOB Tool application requires Visual Studio 2010 and .NET Framework 2.0 to be installed on the development computer. SQL 2008R2 is currently used to access the database The application uses advanced controls from DevExpress a 3rd par ...
lesson15
lesson15

... database master key and the encryption certificate need to be backed up to a secure location. • This location also needs to be separate from regular backups or other copies of the database files. • The encryption security provided by TDE is meaningless if database files and the certificate both fall ...
Graph Data Partition Models for Online Social Networks
Graph Data Partition Models for Online Social Networks

... MySpace using Microsoft SqlServer. However, a graph can naturally represent many OSN constructs, with users and objects as vertices connected via edges. Furthermore, many services offered by an OSN are equivalent to traversing this graph. Listing a tweet’s followers is traversing all “Follows” edges ...
www.drsql.org
www.drsql.org

... • The on-disk structures (indexes, partitions, distribution, etc) that ideally have no bearing on anything other than performance AD-307 | Database Design Fundamentals ...
RAQL-An Evolution in SAS Data Management
RAQL-An Evolution in SAS Data Management

... level is the model of data on which they are based. There are three such models currently in common use; hierarchical, network and relational. The uniqueness of the relational model lies in the fact that no system of pointers is used to link the data. Relatiunships in the data are represented in the ...
< 1 ... 131 132 133 134 135 136 137 138 139 ... 459 >

Concurrency control

In information technology and computer science, especially in the fields of computer programming, operating systems, multiprocessors, and databases, concurrency control ensures that correct results for concurrent operations are generated, while getting those results as quickly as possible.Computer systems, both software and hardware, consist of modules, or components. Each component is designed to operate correctly, i.e., to obey or to meet certain consistency rules. When components that operate concurrently interact by messaging or by sharing accessed data (in memory or storage), a certain component's consistency may be violated by another component. The general area of concurrency control provides rules, methods, design methodologies, and theories to maintain the consistency of components operating concurrently while interacting, and thus the consistency and correctness of the whole system. Introducing concurrency control into a system means applying operation constraints which typically result in some performance reduction. Operation consistency and correctness should be achieved with as good as possible efficiency, without reducing performance below reasonable levels. Concurrency control can require significant additional complexity and overhead in a concurrent algorithm compared to the simpler sequential algorithm.For example, a failure in concurrency control can result in data corruption from torn read or write operations.
  • studyres.com © 2025
  • DMCA
  • Privacy
  • Terms
  • Report