OBJECT RELATIONAL DBMS
... ◆ In all SQL versions there is a cursor-based mechanism allowing to pass stored data from the database to the host PL variables ◆ SQL3 external functions for ADTs provide additional communication interfaces ...
... ◆ In all SQL versions there is a cursor-based mechanism allowing to pass stored data from the database to the host PL variables ◆ SQL3 external functions for ADTs provide additional communication interfaces ...
Chapter 1
... - Advantage: - One package has computational support of the programming language, as well as database access with SQL ...
... - Advantage: - One package has computational support of the programming language, as well as database access with SQL ...
Introduction to Database Development
... Application is organised in layers/tiers, each with their own role, e.g. database access Information is represented as classes and objects within the application, and passed to a database for long-term storage ...
... Application is organised in layers/tiers, each with their own role, e.g. database access Information is represented as classes and objects within the application, and passed to a database for long-term storage ...
File
... Data independence means that “the application is independent of the storage structure and access strategy of data”. In other words, The ability to modify the schema definition in one leve should not affect the schema definition in the next higher level. Two types of Data Independence: Ø Physical Dat ...
... Data independence means that “the application is independent of the storage structure and access strategy of data”. In other words, The ability to modify the schema definition in one leve should not affect the schema definition in the next higher level. Two types of Data Independence: Ø Physical Dat ...
Chapter 5 Relational Algebra
... INSERT - provides a list of attribute values for a new tuple in a relation. This operator is the same as SQL. DELETE - provides a condition on the attributes of a relation to determine which tuple(s) to remove from the relation. This operator is the same as SQL. MODIFY - changes the values of one or ...
... INSERT - provides a list of attribute values for a new tuple in a relation. This operator is the same as SQL. DELETE - provides a condition on the attributes of a relation to determine which tuple(s) to remove from the relation. This operator is the same as SQL. MODIFY - changes the values of one or ...
COP4540 Database Management System Midterm Review
... 1.4. Explain the difference between external, internal, and conceptual schemas. How are these different schema layers related to the concepts of logical and physical data independence? ...
... 1.4. Explain the difference between external, internal, and conceptual schemas. How are these different schema layers related to the concepts of logical and physical data independence? ...
Database System Architectures
... Shared Nothing Node consists of a processor, memory, and one or more disks. Processors at one node communicate with another processor at another node ...
... Shared Nothing Node consists of a processor, memory, and one or more disks. Processors at one node communicate with another processor at another node ...
ECDL Using Databases 6.0
... Although every care has been taken by ECDL Foundation in the preparation of this publication, no warranty is given by ECDL Foundation, as publisher, as to the completeness of the information contained within it and neither shall ECDL Foundation be responsible or liable for any errors, omissions, ina ...
... Although every care has been taken by ECDL Foundation in the preparation of this publication, no warranty is given by ECDL Foundation, as publisher, as to the completeness of the information contained within it and neither shall ECDL Foundation be responsible or liable for any errors, omissions, ina ...
50401A-ENU_Powerpnt_08
... overhead of creating and managing row versions An application requires absolute accuracy for long-running aggregations or queries where data values must be consistent to the point in time that a query starts ...
... overhead of creating and managing row versions An application requires absolute accuracy for long-running aggregations or queries where data values must be consistent to the point in time that a query starts ...
P*TIME
... redo of database changes, each of which is captured as bitwise XOR difference between the after and before images of a fine-grained memory location. It minimizes the log volume to flush to the secondary storage while enabling fully parallel processing of an arbitrary number of differential log recor ...
... redo of database changes, each of which is captured as bitwise XOR difference between the after and before images of a fine-grained memory location. It minimizes the log volume to flush to the secondary storage while enabling fully parallel processing of an arbitrary number of differential log recor ...
Database System Concepts, 6 th Ed
... constraints (e.g. “dept_name of student must be a valid department name”) become “buried” in program code rather than being stated explicitly ...
... constraints (e.g. “dept_name of student must be a valid department name”) become “buried” in program code rather than being stated explicitly ...
Exchange Server 2013 High Availability and Site Resilience
... This presentation contains preliminary information that may be changed substantially prior to final commercial release of the software described herein. The information contained in this presentation represents the current view of Microsoft Corporation on the issues discussed as of the date of the p ...
... This presentation contains preliminary information that may be changed substantially prior to final commercial release of the software described herein. The information contained in this presentation represents the current view of Microsoft Corporation on the issues discussed as of the date of the p ...
Database Structure - University of Aberdeen
... patients attending Accident & Emergency (A&E) or contacting Grampian Doctors on Call (GDOCS). Patients or their parent, in the case of a child, are asked to complete a follow-up questionnaire the month after the original asthma attack. Thereafter, the patients are reviewed on a 6-monthly basis. Over ...
... patients attending Accident & Emergency (A&E) or contacting Grampian Doctors on Call (GDOCS). Patients or their parent, in the case of a child, are asked to complete a follow-up questionnaire the month after the original asthma attack. Thereafter, the patients are reviewed on a 6-monthly basis. Over ...
Procedure
... – Indirect access to database objects is permitted by the granting of security privileges on the subprograms. – By default, subprograms run with the privileges of the subprogram owner, not the privileges of the user. ...
... – Indirect access to database objects is permitted by the granting of security privileges on the subprograms. – By default, subprograms run with the privileges of the subprogram owner, not the privileges of the user. ...
Data Integrity
... Data integrity is normally enforced in a database system by a series of integrity constraints or rules. Three types of integrity constraints are an inherent part of the relational data model: entity integrity, referential integrity and domain integrity: • Entity integrity concerns the concept of a ...
... Data integrity is normally enforced in a database system by a series of integrity constraints or rules. Three types of integrity constraints are an inherent part of the relational data model: entity integrity, referential integrity and domain integrity: • Entity integrity concerns the concept of a ...
Reliance Presentation template
... technologies for gathering, storing, analyzing and providing access to data to help enterprise users make better business decisions. BI Applications includes the activities of decision support system, query and reporting, online analytical processing (OLAP), statistical analysis, forecasting and d ...
... technologies for gathering, storing, analyzing and providing access to data to help enterprise users make better business decisions. BI Applications includes the activities of decision support system, query and reporting, online analytical processing (OLAP), statistical analysis, forecasting and d ...
Populating the Data Warehouse (ETL)
... What are the major transformation/cleansing needs? What’s the sequence of activities for ETL? ...
... What are the major transformation/cleansing needs? What’s the sequence of activities for ETL? ...
High Availability and Disaster Recovery with the HP Enterprise
... Clustering should be used when your application requires minimal downtime and automatic health detection for services or applications. Setting up clustering is also a viable option if you want to keep downtime to a minimum while you patch the guest nodes in the cluster, because you can fail over res ...
... Clustering should be used when your application requires minimal downtime and automatic health detection for services or applications. Setting up clustering is also a viable option if you want to keep downtime to a minimum while you patch the guest nodes in the cluster, because you can fail over res ...
PPTX - University of Connecticut
... Introduction to Fundamental Database Concepts Promotion of Knowledge-Acquisition, SelfLearning, and Independence Rapid Evolution of Computing Always Must Keep Skills Up-to-Date “Learn how to Learn” Relevance of Database Concepts in Computing ...
... Introduction to Fundamental Database Concepts Promotion of Knowledge-Acquisition, SelfLearning, and Independence Rapid Evolution of Computing Always Must Keep Skills Up-to-Date “Learn how to Learn” Relevance of Database Concepts in Computing ...
Database Credentials Coding Policy
... from the other areas of your code, e.g., the credentials must be in a separate source file. The file that contains the credentials must contain no other code but the credentials (i.e., the user name and password) and any functions, routines, or methods that will be used to access the credentials. ...
... from the other areas of your code, e.g., the credentials must be in a separate source file. The file that contains the credentials must contain no other code but the credentials (i.e., the user name and password) and any functions, routines, or methods that will be used to access the credentials. ...
Implementing
... Index Tuning Wizard available in SQL Server is used to select and create the best possible set of indexes and information regarding a database Uses of the Index Tuning Wizard For a given workload, the best possible combination of indexes for a database is recommended The effects of the propose ...
... Index Tuning Wizard available in SQL Server is used to select and create the best possible set of indexes and information regarding a database Uses of the Index Tuning Wizard For a given workload, the best possible combination of indexes for a database is recommended The effects of the propose ...