Data Sheet: Oracle Exadata Database Machine X4-8
... Flash Cache) in front of disk since caching provides flash level performance for much more data than fits directly into flash. The Exadata Smart Flash Cache automatically caches frequently accessed data while keeping infrequently accessed data on disk drives. This provides the performance of flash w ...
... Flash Cache) in front of disk since caching provides flash level performance for much more data than fits directly into flash. The Exadata Smart Flash Cache automatically caches frequently accessed data while keeping infrequently accessed data on disk drives. This provides the performance of flash w ...
Concurrency Control
... • Basic idea is to keep older version of data items around. • When a transaction requires access to an item, an appropriate version is chosen to maintain serializability, if possible. • Some read operations that would be rejected by other techniques can still be accepted by reading an older version ...
... • Basic idea is to keep older version of data items around. • When a transaction requires access to an item, an appropriate version is chosen to maintain serializability, if possible. • Some read operations that would be rejected by other techniques can still be accepted by reading an older version ...
IOSR Journal of Computer Engineering (IOSR-JCE) e-ISSN: 2278-0661,p-ISSN: 2278-8727, PP 06-09 www.iosrjournals.org
... query form could be dynamically refined till the user satisfied the query result. Our experimental evaluation and user study demonstrated the effectiveness and efficiency of the system. ...
... query form could be dynamically refined till the user satisfied the query result. Our experimental evaluation and user study demonstrated the effectiveness and efficiency of the system. ...
Storage/Database Engine
... In database systems, atomicity (or atomicness; from Greek a-tomos, undividable) is one of the ACID transaction properties. In an atomic transaction, a series of database operations either all occur, or nothing occurs. A guarantee of atomicity prevents updates to the database occurring only partially ...
... In database systems, atomicity (or atomicness; from Greek a-tomos, undividable) is one of the ACID transaction properties. In an atomic transaction, a series of database operations either all occur, or nothing occurs. A guarantee of atomicity prevents updates to the database occurring only partially ...
Kapitel 13
... System lost control and system that have not must regain it, completed all data in transient store are lost All transactions from Media crash System in control, a given time on all data in stable store are lost ...
... System lost control and system that have not must regain it, completed all data in transient store are lost All transactions from Media crash System in control, a given time on all data in stable store are lost ...
Chapter 1
... Earlier, we mentioned that SQL is a nonprocedural language. Procedural languages such as COBOL or C++ require a computer programmer to specify in detail the steps that are required to complete a programming task. A typical procedural program may consist of hundreds of lines of coding instructions. A ...
... Earlier, we mentioned that SQL is a nonprocedural language. Procedural languages such as COBOL or C++ require a computer programmer to specify in detail the steps that are required to complete a programming task. A typical procedural program may consist of hundreds of lines of coding instructions. A ...
IOSR Journal of Computer Engineering (IOSR-JCE)
... express the desired query. The modifications are specified through filling forms to create an expression. But an end-user may not be familiar with the database. If the database schema is very large, it is difficult for them to find appropriate database entities and attributes and to create desired quer ...
... express the desired query. The modifications are specified through filling forms to create an expression. But an end-user may not be familiar with the database. If the database schema is very large, it is difficult for them to find appropriate database entities and attributes and to create desired quer ...
SAP – SQL Server Development
... Separation of log files and data files Data access patterns are completely different Data and log should reside on physically separate disks This is also true for storage systems with hypervolumes and other complex methods of mapping Windows drives to physical spindles ...
... Separation of log files and data files Data access patterns are completely different Data and log should reside on physically separate disks This is also true for storage systems with hypervolumes and other complex methods of mapping Windows drives to physical spindles ...
Oracle Applications Concepts II
... Assigned to Oracle Applications users Allow access to groups of db objects Access is through APPS db user ...
... Assigned to Oracle Applications users Allow access to groups of db objects Access is through APPS db user ...
ch3
... Each term is one of: op or
where op is one of: =, , >, . <.
Example of selection:
branch-name=“Perryridge”(account)
...
... Each term is one of:
customer-name
... Each term is one of: op or
where op is one of: =, , >, . <.
Example of selection:
branch-name=“Perryridge”(account)
...
... Each term is one of:
Installation Manual SW 6000 Conference Management
... control is needed from the ‘Meeting Room’. All control of the system and administration is done on the ‘Technician’ PC. ...
... control is needed from the ‘Meeting Room’. All control of the system and administration is done on the ‘Technician’ PC. ...
TLAD_final - EM Projects Archive
... mechanisms into the database environment. To achieve this, it is necessary to specialise the database to a particular application domain. For example, over the last three years, we have used a specific data set relating to the scheduling of final year project orals as the basis for practical exercis ...
... mechanisms into the database environment. To achieve this, it is necessary to specialise the database to a particular application domain. For example, over the last three years, we have used a specific data set relating to the scheduling of final year project orals as the basis for practical exercis ...
Slide 1
... Determine the signature of a specific stored procedure in the database. Identify the primary(PK)/foreign(FK) keys for a given table. ...
... Determine the signature of a specific stored procedure in the database. Identify the primary(PK)/foreign(FK) keys for a given table. ...
Lecture 6
... Note: predicates in the having clause are applied after the formation of groups whereas predicates in the where clause are applied before forming groups ...
... Note: predicates in the having clause are applied after the formation of groups whereas predicates in the where clause are applied before forming groups ...
What is LDAP (Lightweight Directory Access Protocol
... A directory such as a telephone directory is a listing of entries (objects) and information about these entries. LDAP directories are used to store data like white pages, user profiles, and devices available on the company network. LDAP facilitates the management of company policies regarding the di ...
... A directory such as a telephone directory is a listing of entries (objects) and information about these entries. LDAP directories are used to store data like white pages, user profiles, and devices available on the company network. LDAP facilitates the management of company policies regarding the di ...
R - CSE, IIT Bombay
... In general decomposition is lossless provided certain functional dependencies hold; more on this later. Database System Concepts - 6th Edition ...
... In general decomposition is lossless provided certain functional dependencies hold; more on this later. Database System Concepts - 6th Edition ...
Ur/Web: A Simple Model for Programming the Web
... We direct the reader’s attention now to the declaration of function main, near the end of Figure 1. Here we see Ur/Web’s syntax extensions for embedded SQL and HTML code. Such notation is desugared into calls to constructors of abstract syntax tree types, at which point the normal Ur type-checker ma ...
... We direct the reader’s attention now to the declaration of function main, near the end of Figure 1. Here we see Ur/Web’s syntax extensions for embedded SQL and HTML code. Such notation is desugared into calls to constructors of abstract syntax tree types, at which point the normal Ur type-checker ma ...
Gr8AmbitionZ.com
... Q.63 Which are the two ways in which entities can participate in a relationship? (A) Passive and active ...
... Q.63 Which are the two ways in which entities can participate in a relationship? (A) Passive and active ...
DBA Guide to Databases on VMware
... databases are no exception. Experienced Database Administrators (DBAs) recognize that virtualization unlocks capabilities that were impossible in physical environments. In this guide, we discuss database performance on VMware, examine general tasks for DBAs, and introduce VMware technologies and too ...
... databases are no exception. Experienced Database Administrators (DBAs) recognize that virtualization unlocks capabilities that were impossible in physical environments. In this guide, we discuss database performance on VMware, examine general tasks for DBAs, and introduce VMware technologies and too ...
Planning, Implementing, and Administering Scaleout Solutions with
... readers block writers and writers block readers, we decided not to allow others to see data unless it's up-to-date and not in use. Using snapshot isolation loosens the consistency but allows readers to see data at a point in time, even though the data is in the process of being updated. The data tha ...
... readers block writers and writers block readers, we decided not to allow others to see data unless it's up-to-date and not in use. Using snapshot isolation loosens the consistency but allows readers to see data at a point in time, even though the data is in the process of being updated. The data tha ...