Data Warehousing (Alex Ostrovsky)
... ► Data representation ► Relatively difficult to perform data migration ...
... ► Data representation ► Relatively difficult to perform data migration ...
CSCI 526 Database Systems
... Wiley & Sons, Inc. SQL Essentials ISBN-10: 1590280296 by G. Randolph, J. Griffin, Franklin, Beedle & Associates Supplementary Texts: Harrington, J. L., "Relational Database Design Clearly Explained", Morgan Kaufmann Publishers, ISBN 0123264251, August, 1998 Fleming, C. C. et al, “Handbook of R ...
... Wiley & Sons, Inc. SQL Essentials ISBN-10: 1590280296 by G. Randolph, J. Griffin, Franklin, Beedle & Associates Supplementary Texts: Harrington, J. L., "Relational Database Design Clearly Explained", Morgan Kaufmann Publishers, ISBN 0123264251, August, 1998 Fleming, C. C. et al, “Handbook of R ...
presentation source
... Why transactions? Transactions are necessary for the purpose of concurrency control and recovery concurrency control - allowing multiple users simultaneous access recovery - allowing the database system to return the database to a reliable state after a failure. ...
... Why transactions? Transactions are necessary for the purpose of concurrency control and recovery concurrency control - allowing multiple users simultaneous access recovery - allowing the database system to return the database to a reliable state after a failure. ...
data warehousing and data mining
... If account number appears in Transactions relation, it must also appear in Accounts ...
... If account number appears in Transactions relation, it must also appear in Accounts ...
G08 - Spatial Database Group
... which hosts multiple logical databases. – Relational Cloud periodically determines which databases should be placed on which machines using a novel non-linear optimization formulation. – a cost model that estimates the combined resource utilization of multiple databases running on a machine. ...
... which hosts multiple logical databases. – Relational Cloud periodically determines which databases should be placed on which machines using a novel non-linear optimization formulation. – a cost model that estimates the combined resource utilization of multiple databases running on a machine. ...
Pr sentation PowerPoint
... Existing SQL queries continue to run No re-coding required for legacy applications Access control can be based on existing database security • No need to set up and maintain a separate security policy • Existing users continue to have the same data access rights ...
... Existing SQL queries continue to run No re-coding required for legacy applications Access control can be based on existing database security • No need to set up and maintain a separate security policy • Existing users continue to have the same data access rights ...
Principles of Database Design
... A lock guarantees exclusive use of a data item to a current transaction. In the previous example, transaction T2 will not have access to the data item that is currently used by transaction T1. The lock is released when the transaction T1 is completed. ...
... A lock guarantees exclusive use of a data item to a current transaction. In the previous example, transaction T2 will not have access to the data item that is currently used by transaction T1. The lock is released when the transaction T1 is completed. ...
Brief description of data warehouses and data marts:
... Databases are transactional in nature and they are used for day-to-day business operations. The operational data contain the detailed and up-to-date individual records of transactions. OLTP (On-Line Transaction Processing) is used to describe the type of processing in operational databases. These da ...
... Databases are transactional in nature and they are used for day-to-day business operations. The operational data contain the detailed and up-to-date individual records of transactions. OLTP (On-Line Transaction Processing) is used to describe the type of processing in operational databases. These da ...
How data is stored
... Computerised data systems • Computerised data systems – also known as databases – are organised in similar ways to paper-based data systems. • However because computerised data systems can handle data faster and in more flexible ways than paper-based systems, they have begun to replace many paper-b ...
... Computerised data systems • Computerised data systems – also known as databases – are organised in similar ways to paper-based data systems. • However because computerised data systems can handle data faster and in more flexible ways than paper-based systems, they have begun to replace many paper-b ...
REPROTOX - Elicere, Inc.
... of software development is based on simplicity and standardization to improve user performance. We shoot for straight-forward design and structure to deliver simple, concise and intuitive software architecture in an effective, cost-friendly manner. Visit www.elicere.com for more information. ...
... of software development is based on simplicity and standardization to improve user performance. We shoot for straight-forward design and structure to deliver simple, concise and intuitive software architecture in an effective, cost-friendly manner. Visit www.elicere.com for more information. ...
Slides
... structure of the data), using a data-definition language. 2. Enables users to query and modify the data, using a query language and data-manipulation language. 3. Supports intelligent storage of very large amounts of data. ...
... structure of the data), using a data-definition language. 2. Enables users to query and modify the data, using a query language and data-manipulation language. 3. Supports intelligent storage of very large amounts of data. ...
Link - Faculty
... Select c.name and c.address From CUSTOMES as c Where c.region=Mumbai; Only process three attributes of the relation CUSTOMER. But the customer relation can have more than three attributes. Column-stores are more I/O efficient for read-only queries as they read, only those attributes which are access ...
... Select c.name and c.address From CUSTOMES as c Where c.region=Mumbai; Only process three attributes of the relation CUSTOMER. But the customer relation can have more than three attributes. Column-stores are more I/O efficient for read-only queries as they read, only those attributes which are access ...
Chapter 1
... DB2, SQL/DS (IBM) Access (Microsoft) SQL Server (Microsoft +) Many older (Focus, IMS, ...) Many limited PC (dBASE, Paradox, …) ...
... DB2, SQL/DS (IBM) Access (Microsoft) SQL Server (Microsoft +) Many older (Focus, IMS, ...) Many limited PC (dBASE, Paradox, …) ...
Security Measure to Protect and Back Up Data
... database for the College’s core ERP system (Banner) resides in an Oracle database. Offline backups of the database files are created each night as well as a full online export of all database objects. The offline backups paired with real-time transaction logs allow full recovery of the database to a ...
... database for the College’s core ERP system (Banner) resides in an Oracle database. Offline backups of the database files are created each night as well as a full online export of all database objects. The offline backups paired with real-time transaction logs allow full recovery of the database to a ...
PPT - Berkeley Database Research
... – SkyQuery: perform fast spatial joins on the largest astronomy catalogs / replicate multi-TB datasets 20 times for much faster query performance (1Bx1B in 3 mins) – OncoSpace: 350TB of radiation oncology images today, 1PB in two years, to be analyzed on the fly ...
... – SkyQuery: perform fast spatial joins on the largest astronomy catalogs / replicate multi-TB datasets 20 times for much faster query performance (1Bx1B in 3 mins) – OncoSpace: 350TB of radiation oncology images today, 1PB in two years, to be analyzed on the fly ...
ch. 6 - AD Book Enterprises
... • Program-Data Dependence – “Each application had its own database created” ...
... • Program-Data Dependence – “Each application had its own database created” ...
HEPSYSMAN_InfluxDB_Grafana_v1
... • (Grafana) long duration plots can be quite slow – e.g. 1 month plot, using 1-min resolution data – Possible fix: people have requested that Grafana should be able to automatically select different retention policies depending on time interval ...
... • (Grafana) long duration plots can be quite slow – e.g. 1 month plot, using 1-min resolution data – Possible fix: people have requested that Grafana should be able to automatically select different retention policies depending on time interval ...
BDSS-IGERT project - Big Data Social Science
... The Big Data Social Science IGERT program (BDSSIGERT) draws together a diverse interdisciplinary team of researchers to create a new training PhD program in Social Data Analytics, aimed at enabling a new type of scientist capable of meeting emerging big data challenges. Merging statistics, computer ...
... The Big Data Social Science IGERT program (BDSSIGERT) draws together a diverse interdisciplinary team of researchers to create a new training PhD program in Social Data Analytics, aimed at enabling a new type of scientist capable of meeting emerging big data challenges. Merging statistics, computer ...
Using R Efficiently with Large Databases
... Patterns of Database Integration SQL Push-Down Translate R code into SQL (using proxy objects), either imitating the behavior of R methods and functions or creating a set of explicit functions for transforming data (e.g. dplyr) ...
... Patterns of Database Integration SQL Push-Down Translate R code into SQL (using proxy objects), either imitating the behavior of R methods and functions or creating a set of explicit functions for transforming data (e.g. dplyr) ...
Slides 01 - University of California, Irvine
... – Project Demonstration (last class) – 10 minute presentation – Project Presentation (to be scheduled) – 30 minute presentation ...
... – Project Demonstration (last class) – 10 minute presentation – Project Presentation (to be scheduled) – 30 minute presentation ...
Recommendation of a Strategy
... “Consider the challenge posed by an airborne warning and control system (AWACS) (Figure 1) that divides database processing between real-time, embedded in-memory database systems (IMDSs) residing in one or more data acquisition modules, and an enterprise-class application and DBMS that run on a high ...
... “Consider the challenge posed by an airborne warning and control system (AWACS) (Figure 1) that divides database processing between real-time, embedded in-memory database systems (IMDSs) residing in one or more data acquisition modules, and an enterprise-class application and DBMS that run on a high ...
SECTION 5
... With reference to “primary key”, “foreign key” and “relationship” explain what is meant by “data redundancy” and “data consistency” and explain how relational databases address the problems associated with each (6) A flat-file database consists of one table. A relational database comprises a number ...
... With reference to “primary key”, “foreign key” and “relationship” explain what is meant by “data redundancy” and “data consistency” and explain how relational databases address the problems associated with each (6) A flat-file database consists of one table. A relational database comprises a number ...
Database Foundations
... Query by Example • Simpler than SQL • Drag-and- drop features • Construct a sample of the data we would like to see ...
... Query by Example • Simpler than SQL • Drag-and- drop features • Construct a sample of the data we would like to see ...