
Chapter 4 - Villanova University
... views of a database? – What are the fundamental concepts of database systems such as DBMS, schemas, the data dictionary, and DBMS languages? – What is a relational database, and how does it organize data? – How are tables structured to properly store data in a relational database? © 2008 Prentice Ha ...
... views of a database? – What are the fundamental concepts of database systems such as DBMS, schemas, the data dictionary, and DBMS languages? – What is a relational database, and how does it organize data? – How are tables structured to properly store data in a relational database? © 2008 Prentice Ha ...
Powering the Cloud with Oracle WebLogic
... • Define part of the application behavior and appearance through meta-data (outside the base source code) – The default settings are defined by developers and deployed along with the application – Read and interpreted at run time – Manipulated and re-read and re-interpreted at run time Application • ...
... • Define part of the application behavior and appearance through meta-data (outside the base source code) – The default settings are defined by developers and deployed along with the application – Read and interpreted at run time – Manipulated and re-read and re-interpreted at run time Application • ...
SQL Server “SQL-Server 2012” Highlights
... Disaster Recovery Have second data centre. No more than 30 mins down time and 5 minutes data loss ...
... Disaster Recovery Have second data centre. No more than 30 mins down time and 5 minutes data loss ...
Slides from Extra Lecture 20 - Courses
... Database objects are different from ordinary Java objects (other systems and specs, like JDO, respectively call them "primary" and "secondary", or "first-class" and "second-class"). Only one instance of a given database object reference exists in the database, as opposed to standard Java objects, wh ...
... Database objects are different from ordinary Java objects (other systems and specs, like JDO, respectively call them "primary" and "secondary", or "first-class" and "second-class"). Only one instance of a given database object reference exists in the database, as opposed to standard Java objects, wh ...
item_name, color, size
... Multiple rank clauses can occur in a single select clause. Ranking is done after applying group by clause/aggregation Can be used to find top-n results ...
... Multiple rank clauses can occur in a single select clause. Ranking is done after applying group by clause/aggregation Can be used to find top-n results ...
Chapter 7: Relational Database Design
... Extend the relational data model by including object orientation and constructs to deal with added data types. Allow attributes of tuples to have complex types, including nonatomic values such as nested relations. Preserve relational foundations, in particular the declarative access to data, w ...
... Extend the relational data model by including object orientation and constructs to deal with added data types. Allow attributes of tuples to have complex types, including nonatomic values such as nested relations. Preserve relational foundations, in particular the declarative access to data, w ...
Borden`s modified PPT slides
... – The set of commands used to create the database is known as data definition language (DDL). DDL is used to: • Build the data dictionary • Initialize or create the database • Describe the logical views for each individual user or programmer • Specify any limitations or constraints on security ...
... – The set of commands used to create the database is known as data definition language (DDL). DDL is used to: • Build the data dictionary • Initialize or create the database • Describe the logical views for each individual user or programmer • Specify any limitations or constraints on security ...
Database Management Systems For Mobile Devices
... Formal Definition • There isn’t one... • Major DBMS’s can run on most operating systems providing full functionality: MySQl Oracle etc... ...
... Formal Definition • There isn’t one... • Major DBMS’s can run on most operating systems providing full functionality: MySQl Oracle etc... ...
Introduction to NoSQL - CS 609 : Database Management
... – If master replicates asynchronously, no write lags but can lose W if master crashes – If synchronous, one slave can lag but not lost, however, R cannot go to any slave if strict consistency – If master crashes, slave with most recent version new master – Master/slave model good if R/W ratio high – ...
... – If master replicates asynchronously, no write lags but can lose W if master crashes – If synchronous, one slave can lag but not lost, however, R cannot go to any slave if strict consistency – If master crashes, slave with most recent version new master – Master/slave model good if R/W ratio high – ...
9781111533960_PPT_ch03
... Data Warehouses • Data warehouse – Collection of data used to support decision-making applications and generate business intelligence ...
... Data Warehouses • Data warehouse – Collection of data used to support decision-making applications and generate business intelligence ...
Total Cost of Ownership: Database Software and Support
... The market for database management systems (DBMSs) is maturing – emerging technologies are being introduced, aging products are being discarded – and with a focus on reducing total cost of ownership (TCO), enterprise organizations can use it as an opportunity to replace and consolidate DBMS infrastr ...
... The market for database management systems (DBMSs) is maturing – emerging technologies are being introduced, aging products are being discarded – and with a focus on reducing total cost of ownership (TCO), enterprise organizations can use it as an opportunity to replace and consolidate DBMS infrastr ...
Accounting 3603
... views of a database? – What are the fundamental concepts of database systems such as DBMS, schemas, the data dictionary, and DBMS languages? – What is a relational database, and how does it organize data? – How are tables structured to properly store data in a relational database? © 2006 Prentice Ha ...
... views of a database? – What are the fundamental concepts of database systems such as DBMS, schemas, the data dictionary, and DBMS languages? – What is a relational database, and how does it organize data? – How are tables structured to properly store data in a relational database? © 2006 Prentice Ha ...
Chapter 7: Relational Database Design
... may have zero, one, or more parameters A set of methods, each of which is a body of code to implement a message; a method returns a value as the response to the message ...
... may have zero, one, or more parameters A set of methods, each of which is a body of code to implement a message; a method returns a value as the response to the message ...
Backup and Restore
... To understand the crucial difference between consistent and inconsistent backups, you must first understand the concept of the system change number (SCN). The SCN is an Oracle server-assigned number that indicates a committed version of the database. It's quite possible that different datafiles in t ...
... To understand the crucial difference between consistent and inconsistent backups, you must first understand the concept of the system change number (SCN). The SCN is an Oracle server-assigned number that indicates a committed version of the database. It's quite possible that different datafiles in t ...
OPTIMIZING DBA EFFICIENCY:
... At EMC, our approach to standardized infrastructure is leveraging the VMware, Cisco & EMC Vblock Systems. Vblocks are designed to support not only multiple database types and versions, but also different workload types, including OLTP, Analytics, Test & Development. With EMC Vblock Systems, DBAs ret ...
... At EMC, our approach to standardized infrastructure is leveraging the VMware, Cisco & EMC Vblock Systems. Vblocks are designed to support not only multiple database types and versions, but also different workload types, including OLTP, Analytics, Test & Development. With EMC Vblock Systems, DBAs ret ...
Indexing Spatial Data
... Spatial data is typically queried using a graphical query language; results are also displayed in a graphical manner. Graphical interface constitutes the front-end Extensions of SQL with abstract data types, such as lines, polygons and bit maps, have been proposed to interface with backend. allows r ...
... Spatial data is typically queried using a graphical query language; results are also displayed in a graphical manner. Graphical interface constitutes the front-end Extensions of SQL with abstract data types, such as lines, polygons and bit maps, have been proposed to interface with backend. allows r ...
Database Management Systems Objectives of Lecture 5 Data
... Incentive for a Data Warehouse • Businesses have a lot of data, operational data and facts. • This data is usually in different databases and in different physical places. • Data is available (or archived), but in different formats and locations. (heterogeneous and distributed). ...
... Incentive for a Data Warehouse • Businesses have a lot of data, operational data and facts. • This data is usually in different databases and in different physical places. • Data is available (or archived), but in different formats and locations. (heterogeneous and distributed). ...