A Web Commerce Group Case Study on PostgreSQL
... Durability), stored procedures, triggers, replication, transaction support as well as object-oriented features such as inheritance. Through the use of Multi-Version Concurrency Control (MVCC), PostgreSQL can optimally support heavy transactions load in a large multi-user environment in which there a ...
... Durability), stored procedures, triggers, replication, transaction support as well as object-oriented features such as inheritance. Through the use of Multi-Version Concurrency Control (MVCC), PostgreSQL can optimally support heavy transactions load in a large multi-user environment in which there a ...
RIPE Database Operations Update
... Organisation Object Type • Provides easy way of mapping resources • May be linked to any object type, by “org:” attribute • Queries – Lookup by handle or name – Inverse queries – Referenced organisations are returned by default ...
... Organisation Object Type • Provides easy way of mapping resources • May be linked to any object type, by “org:” attribute • Queries – Lookup by handle or name – Inverse queries – Referenced organisations are returned by default ...
Replikacja_en
... slave nodes occur and generate initial versions of data. The changes performed are recorded into the initial transaction history also called the Log. For any initial transaction, a timestamp is added in order to maintain the data consistency and to solve the conflicts during updating by the initial ...
... slave nodes occur and generate initial versions of data. The changes performed are recorded into the initial transaction history also called the Log. For any initial transaction, a timestamp is added in order to maintain the data consistency and to solve the conflicts during updating by the initial ...
Database Engines on Multicores, Why Parallelize When You Can
... executed independently of each other with synchronization enforced through locking of shared data structures. All these features make the transition to modern hardware platforms difficult. It is now widely accepted that modern hardware, be it multicore, or many other developments such as flash stora ...
... executed independently of each other with synchronization enforced through locking of shared data structures. All these features make the transition to modern hardware platforms difficult. It is now widely accepted that modern hardware, be it multicore, or many other developments such as flash stora ...
Tenant ID" column for Multi
... backup/restore, after imaging) • Offline utilities continue to be offline (e.g., db repair, roll forward) with the exception of index rebuild. Index rebuild of tenant local indexes is allowed while the database is online. The tenant whose indexes are being rebuilt are offline until the process compl ...
... backup/restore, after imaging) • Offline utilities continue to be offline (e.g., db repair, roll forward) with the exception of index rebuild. Index rebuild of tenant local indexes is allowed while the database is online. The tenant whose indexes are being rebuilt are offline until the process compl ...
Prof. Dr. Rainer Manthey Intelligent Information Systems
... • To make you fit for the exam! • Attention! There are too few exercise weeks (for a long lecture)! • To provide some „hands on“ experience with theoretically introduced concepts. • Participation will not be checked, but is strongly recommended!! • No prerequisites for getting admission to exams! • ...
... • To make you fit for the exam! • Attention! There are too few exercise weeks (for a long lecture)! • To provide some „hands on“ experience with theoretically introduced concepts. • Participation will not be checked, but is strongly recommended!! • No prerequisites for getting admission to exams! • ...
Intro to the Class
... Data is spread across nodes; each machine has part of the data Function is spread across nodes Two-Phase Commit ...
... Data is spread across nodes; each machine has part of the data Function is spread across nodes Two-Phase Commit ...
The Choice of SAS Software as the Application Development Tool for Your CANDA
... Suppose we had the two database tables above, where the data in these tables was potentially relateable by the three key fields listed. How might users combine this data while querying, when left to their own devices. if their intention is to match together those AE's that occurred at the same time ...
... Suppose we had the two database tables above, where the data in these tables was potentially relateable by the three key fields listed. How might users combine this data while querying, when left to their own devices. if their intention is to match together those AE's that occurred at the same time ...
Chapter 3: Introduction to SQL - Computer Engineering Department
... Renamed Structured Query Language (SQL) ANSI and ISO standard SQL: ...
... Renamed Structured Query Language (SQL) ANSI and ISO standard SQL: ...
Valid Time Database Implementation Using Oracle11g Workspace
... facts which are currently true and satisfy the search conditions. In principle, current queries (and other current operations) on temporal database system should be compatible with conventional databases. Current queries are therefore almost identical to normal SQL queries except the references to v ...
... facts which are currently true and satisfy the search conditions. In principle, current queries (and other current operations) on temporal database system should be compatible with conventional databases. Current queries are therefore almost identical to normal SQL queries except the references to v ...
12. User-managed complete recovery and RMAN complete recovery
... A media failure is generally considered the most dangerous type of failure and it is the most touchy to recover from as well. The severity of this type of failure may vary from a lost or accidentally removed data file to a severe hardware failure. No matter what type of media failure the DBA is hand ...
... A media failure is generally considered the most dangerous type of failure and it is the most touchy to recover from as well. The severity of this type of failure may vary from a lost or accidentally removed data file to a severe hardware failure. No matter what type of media failure the DBA is hand ...
basic application software - McGraw
... to handle the majority of technical details. Application software can be described as end user software. It is used by end users to accomplish a variety of different tasks. Application software in turn can be divided into two categories. One category, basic applications, is the focus of this chapter ...
... to handle the majority of technical details. Application software can be described as end user software. It is used by end users to accomplish a variety of different tasks. Application software in turn can be divided into two categories. One category, basic applications, is the focus of this chapter ...
Progressive Optimization in a Shared-Nothing
... Today’s enterprises often rely on timely and insightful information for strategic business decisions. Ad hoc on-line analytical processing (OLAP) queries are formulated to analyze and identify patterns in data sets, thereby transforming data into useful and consumable information. Due to the large q ...
... Today’s enterprises often rely on timely and insightful information for strategic business decisions. Ad hoc on-line analytical processing (OLAP) queries are formulated to analyze and identify patterns in data sets, thereby transforming data into useful and consumable information. Due to the large q ...
Document
... manufacturing field. The students acquaint with the basic knowledge and skills in engineering drawings and the capability to read and interpret blue prints for manufacturing. The students can also develop an understanding of 2D and 3D computer aided drafting with the requirements of good engineering ...
... manufacturing field. The students acquaint with the basic knowledge and skills in engineering drawings and the capability to read and interpret blue prints for manufacturing. The students can also develop an understanding of 2D and 3D computer aided drafting with the requirements of good engineering ...
Document
... relation storing one part of the information E.g.: account : stores information about accounts depositor : stores information about which customer owns which account customer : stores information about customers Storing all information as a single relation such as bank(account-number, balance, cus ...
... relation storing one part of the information E.g.: account : stores information about accounts depositor : stores information about which customer owns which account customer : stores information about customers Storing all information as a single relation such as bank(account-number, balance, cus ...
Embedded SQL in a C Program
... • Embedded SQL provides static database programming • API: dynamic database programming with a library of functions • Advantage: no preprocessor needed (thus more flexible) • Disadvantage • SQL syntax checks to be done at run-time • Sometimes requires more complex programming to access query results ...
... • Embedded SQL provides static database programming • API: dynamic database programming with a library of functions • Advantage: no preprocessor needed (thus more flexible) • Disadvantage • SQL syntax checks to be done at run-time • Sometimes requires more complex programming to access query results ...
HP PolyServe Software for Microsoft SQL Server
... Server virtual host concept. It consists of a virtual IP address that clients use to connect, a specified primary server in the cluster, a prioritized list of backup servers, and from one to 16 associated SQL Server instances. If a server fails, the virtualizer will move the virtual IP address to th ...
... Server virtual host concept. It consists of a virtual IP address that clients use to connect, a specified primary server in the cluster, a prioritized list of backup servers, and from one to 16 associated SQL Server instances. If a server fails, the virtualizer will move the virtual IP address to th ...
presentation source
... – May contain a user-defined report format for the SQL statement (optional) ...
... – May contain a user-defined report format for the SQL statement (optional) ...
Effective Usage of SQL Server 2005 Database Mirroring
... SQL Server 2005 High Availability features Database Mirroring - What is the advantage over Failover Clustering? Database mirroring & log shipping This combination can be used to provide high availability for your notification applications, you can maintain a standby server that you can bring on ...
... SQL Server 2005 High Availability features Database Mirroring - What is the advantage over Failover Clustering? Database mirroring & log shipping This combination can be used to provide high availability for your notification applications, you can maintain a standby server that you can bring on ...
Succeeding in Business with Microsoft Excel 2003
... Join tables Linking of tables using primary and foreign keys Established relationship Or • Each table shares field with same or compatible data type • One join field primary key ...
... Join tables Linking of tables using primary and foreign keys Established relationship Or • Each table shares field with same or compatible data type • One join field primary key ...
Triggers
... multiple events, (for example, on INSERT AND UPDATE). 16. Ordering of trigger excutions, when there are multiple triggers invoked on the same event, has some similarities to that of Oracle; first ”statement level before” then ”row level before,” etc. Multiple triggers with the same priority based on ...
... multiple events, (for example, on INSERT AND UPDATE). 16. Ordering of trigger excutions, when there are multiple triggers invoked on the same event, has some similarities to that of Oracle; first ”statement level before” then ”row level before,” etc. Multiple triggers with the same priority based on ...
Remote Disaster Recovery Concepts for Microsoft SharePoint Server 2010 with Storage
... limited to) documents, site properties, and user rights. There can be many content databases in a SharePoint environment dedicated to one or multiple web applications. As an example, a content database created by default is the Administration Content database. The Administration Content database mai ...
... limited to) documents, site properties, and user rights. There can be many content databases in a SharePoint environment dedicated to one or multiple web applications. As an example, a content database created by default is the Administration Content database. The Administration Content database mai ...
Oracle Database Appliance Sales Jarosław Skibiński
... OpEx by as much as $70K a year over similar solutions from HP and Dell, while benefitting from superior ease of management and single-vendor support. ...
... OpEx by as much as $70K a year over similar solutions from HP and Dell, while benefitting from superior ease of management and single-vendor support. ...
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.