ch1_intro_csi3317-05..
... Need special code for different queries (i.e. all query codes are ad hoc). Must protect data from inconsistency due to multiple concurrent users changing it. Must ensure consistent crash recovery. Must provide more security and access control than the password mechanism offered by operating sy ...
... Need special code for different queries (i.e. all query codes are ad hoc). Must protect data from inconsistency due to multiple concurrent users changing it. Must ensure consistent crash recovery. Must provide more security and access control than the password mechanism offered by operating sy ...
Web Service Conversations: Analysis and Design
... Each activity in the workflow coded, “biz entity” never designed but just coded as needed Developers made isolated decisions to “link” biz entity to database (via SQL) (contrast to BP model) [Sun-S.-Wu-Yang 2013] Elevating to the conceptual level Biz entity artifact info model Link dat ...
... Each activity in the workflow coded, “biz entity” never designed but just coded as needed Developers made isolated decisions to “link” biz entity to database (via SQL) (contrast to BP model) [Sun-S.-Wu-Yang 2013] Elevating to the conceptual level Biz entity artifact info model Link dat ...
September 2014 report
... Marked holistically OLAP (On-Line Analytical Processing) is the dynamic synthesis, analysis and consolidation of large volumes of aggregated multi-dimensional data (or similar). Key features include aggregation, time-series analysis, drill-down queries, highly complex ‘what if’ and ‘why’ type querie ...
... Marked holistically OLAP (On-Line Analytical Processing) is the dynamic synthesis, analysis and consolidation of large volumes of aggregated multi-dimensional data (or similar). Key features include aggregation, time-series analysis, drill-down queries, highly complex ‘what if’ and ‘why’ type querie ...
Database Management System
... is essential for good DBMS performance. – Because disk accesses are frequent, and relatively slow, it is important to keep the cpu humming by working on several user programs concurrently. Interleaving actions of different user programs can lead to inconsistency: e.g., check is cleared while account ...
... is essential for good DBMS performance. – Because disk accesses are frequent, and relatively slow, it is important to keep the cpu humming by working on several user programs concurrently. Interleaving actions of different user programs can lead to inconsistency: e.g., check is cleared while account ...
Data, Dataset and Database
... • Data is information typically the results of measurement (numerical) or counting (categorical). • Dataset is a collection of data, usually presented in tabular form. Each column represents a particular variable and each row corresponds to a given member of the data. • Database collects, stores and ...
... • Data is information typically the results of measurement (numerical) or counting (categorical). • Dataset is a collection of data, usually presented in tabular form. Each column represents a particular variable and each row corresponds to a given member of the data. • Database collects, stores and ...
BCS THE CHARTERED INSTITUTE FOR IT ADVANCED DATABASE MANAGEMENT SYSTEMS EXAMINERS REPORT
... This was an unpopular question on a topic that has been covered well in previous papers. The syllabus covers “Distributed relational systems and Data Replication”. Candidates are expected at this level to show and apply concepts and techniques of data distribution to real world situations and to app ...
... This was an unpopular question on a topic that has been covered well in previous papers. The syllabus covers “Distributed relational systems and Data Replication”. Candidates are expected at this level to show and apply concepts and techniques of data distribution to real world situations and to app ...
Use of Inheritance Feature in Relational Database
... Object-relational DBMS (ORDBMS) are the next great wave. They have been proposed for all applications that need both complex queries and complex data types. An objectrelational database or object-relational database management system (ORDBMS), is a database management system similar to a relational ...
... Object-relational DBMS (ORDBMS) are the next great wave. They have been proposed for all applications that need both complex queries and complex data types. An objectrelational database or object-relational database management system (ORDBMS), is a database management system similar to a relational ...
Chapter 6 review
... 1NF: Primary key identified and no multivalued attributes Legitimate primary key selected (unique identifying key) Only one value per table cell; no lists/arrays (multivalued attributes) in any table cell If you split multivalued attributes off to separate tables, then you avoid 4NF violations ...
... 1NF: Primary key identified and no multivalued attributes Legitimate primary key selected (unique identifying key) Only one value per table cell; no lists/arrays (multivalued attributes) in any table cell If you split multivalued attributes off to separate tables, then you avoid 4NF violations ...
Databases
... • If you have a telephone directory, how do you insert a name in the middle? • If you have a database, data can be inserted at the end (or wherever there is room) and the system will order it logically • Do you have several lists of people that you have invited to different parties. Do they overlap? ...
... • If you have a telephone directory, how do you insert a name in the middle? • If you have a database, data can be inserted at the end (or wherever there is room) and the system will order it logically • Do you have several lists of people that you have invited to different parties. Do they overlap? ...
MIS 485 Week 1 - University of Dayton
... • Data volume statistics represent the size of the business ...
... • Data volume statistics represent the size of the business ...
ETL - Temple Fox MIS
... This leads to many issues Redundant data across the organization • Customer record maintained by accounts receivable and marketing ...
... This leads to many issues Redundant data across the organization • Customer record maintained by accounts receivable and marketing ...
Database Security - Tennessee State University
... • Database is available at all times only for authorized users and authenticated persons • Database is protected from being shut down due to external or internal threats or attacks, can not have unplanned downtime. • Overloads, performance constraints and capacity issues resulting in the inability o ...
... • Database is available at all times only for authorized users and authenticated persons • Database is protected from being shut down due to external or internal threats or attacks, can not have unplanned downtime. • Overloads, performance constraints and capacity issues resulting in the inability o ...
Chapter 1: Introduction
... modify, and extract information from a database. There are many different types of DBMSs, ranging from small systems that run on personal computers to huge systems that run on mainframes. ...
... modify, and extract information from a database. There are many different types of DBMSs, ranging from small systems that run on personal computers to huge systems that run on mainframes. ...
What is Data Warehouse?
... support of management’s decision-making process.”—W. H. Inmon • Data warehousing: The process of constructing and using data warehouses ...
... support of management’s decision-making process.”—W. H. Inmon • Data warehousing: The process of constructing and using data warehouses ...
Data Pump - Glennb.us
... Use the INCLUDE parameter to name the items to be included (thereby excluding other non-dependent items not included in the list). Use parameters like SCHEMA to specify that you only want a subset of the database’s objects (those that belong to the specified user or users). ...
... Use the INCLUDE parameter to name the items to be included (thereby excluding other non-dependent items not included in the list). Use parameters like SCHEMA to specify that you only want a subset of the database’s objects (those that belong to the specified user or users). ...
lecture 6
... • select * from dual; • The owner of dual is SYS but dual can be accessed by every user. – Although it is possible to delete the one record, or insert additional records, or even fiddle with the table structure etc., one really should not do that!. – Even sys should not modify it. • Since dual is su ...
... • select * from dual; • The owner of dual is SYS but dual can be accessed by every user. – Although it is possible to delete the one record, or insert additional records, or even fiddle with the table structure etc., one really should not do that!. – Even sys should not modify it. • Since dual is su ...
DBMS notes - Tom Kleen
... a map-drawing program. You can understand geographic information systems better if you have a basic understanding of databases. ...
... a map-drawing program. You can understand geographic information systems better if you have a basic understanding of databases. ...
internal_2_25
... There are 5 usernames set up: ukyadmin_erica ukyadmin_kevin ukyadmin_sameer ukyadmin_yi ukyadmin_user The password is your last name (or ‘test’ for ‘ukyadmin_user’). ...
... There are 5 usernames set up: ukyadmin_erica ukyadmin_kevin ukyadmin_sameer ukyadmin_yi ukyadmin_user The password is your last name (or ‘test’ for ‘ukyadmin_user’). ...
Analyzing the Current Database
... Subjects are always represented by nouns and identify an object or an event. You can then use these subjects to come up with further questions during the interview process. The purpose is to gain as much detailed information as possible about the subjects you’ve identified. You’ll also want to ident ...
... Subjects are always represented by nouns and identify an object or an event. You can then use these subjects to come up with further questions during the interview process. The purpose is to gain as much detailed information as possible about the subjects you’ve identified. You’ll also want to ident ...
Title Goes Here - Binus Repository
... description of this data), designed to meet the information needs of an organization. • System catalog (metadata) provides description of data to enable program–data independence. • Logically related data comprises entities, attributes, and relationships of an organization’s information. ...
... description of this data), designed to meet the information needs of an organization. • System catalog (metadata) provides description of data to enable program–data independence. • Logically related data comprises entities, attributes, and relationships of an organization’s information. ...
Slides
... information occur in a table, the possibility exists that these instances will not be kept consistent when the data within the table is updated, leading to a loss of data integrity. Prevents insertion, deletion and update anomalies. • Rule of thumb: If you find yourself typing the same information i ...
... information occur in a table, the possibility exists that these instances will not be kept consistent when the data within the table is updated, leading to a loss of data integrity. Prevents insertion, deletion and update anomalies. • Rule of thumb: If you find yourself typing the same information i ...