Object-Based Databases by Jose Reyes Jose
... • Object-relational data model extends the relational data model by providing a richer type system including complex data types and object orientation • Database systems based on the objectrelation model provide a convenient migration path for users of relational databases who wish to use object-ori ...
... • Object-relational data model extends the relational data model by providing a richer type system including complex data types and object orientation • Database systems based on the objectrelation model provide a convenient migration path for users of relational databases who wish to use object-ori ...
Chapter 9
... • An entity-relationship (ERD) is a graphic representation of all system entities and the relationships among them • A code is a set of letters or numbers used to represent data in a system • The most common database models are relational and object-oriented ...
... • An entity-relationship (ERD) is a graphic representation of all system entities and the relationships among them • A code is a set of letters or numbers used to represent data in a system • The most common database models are relational and object-oriented ...
database
... The repair shops are located in 300 cities and towns throughout the state. Mechanics can be assigned to only one repair shop at a time. The application requires knowing what equipment is (for e.g. diagnostic equipment, hydraulic machinery) is at what location and also the repairs carried out on each ...
... The repair shops are located in 300 cities and towns throughout the state. Mechanics can be assigned to only one repair shop at a time. The application requires knowing what equipment is (for e.g. diagnostic equipment, hydraulic machinery) is at what location and also the repairs carried out on each ...
Data Source
... • Microsoft Access • using a database server running on a network server • etc. • WE ARE USING MICROSOFT ACCESS – NO WHINING!!! • Change the data source to Microsoft Access Database File • Enter the database filename • Click Test Connection to be sure connection is configured properly • Save the Con ...
... • Microsoft Access • using a database server running on a network server • etc. • WE ARE USING MICROSOFT ACCESS – NO WHINING!!! • Change the data source to Microsoft Access Database File • Enter the database filename • Click Test Connection to be sure connection is configured properly • Save the Con ...
Using Relational Databases and SQL - csns
... instructions that will solve a problem in a finite amount of time”) to accomplish each task Nonprocedural / declarative languages, like SQL, require the programmer to describe *what data* s/he wants. The platform (in this case, DBMS) determines how to produce the data This is an important distinctio ...
... instructions that will solve a problem in a finite amount of time”) to accomplish each task Nonprocedural / declarative languages, like SQL, require the programmer to describe *what data* s/he wants. The platform (in this case, DBMS) determines how to produce the data This is an important distinctio ...
Database Clustering and Summary Generation
... Project the Data Set of Interest by Primary key and Selected Attributes Join the Data set of Interest and related data sets to get all related attributes for each join-path Group attributes together that describe the same object ...
... Project the Data Set of Interest by Primary key and Selected Attributes Join the Data set of Interest and related data sets to get all related attributes for each join-path Group attributes together that describe the same object ...
System Design Examples
... •Online compilation of student grades and TCF. •Integration with the online database of central library. ...
... •Online compilation of student grades and TCF. •Integration with the online database of central library. ...
Multimedia Database Architecture
... Logical level as seen by the system administrator In a relational database, relational conceptual level ...
... Logical level as seen by the system administrator In a relational database, relational conceptual level ...
Databases and SQL
... Querying a relational database using JOIN Internet Movie Database: http://sqlzoo.net/3.htm ...
... Querying a relational database using JOIN Internet Movie Database: http://sqlzoo.net/3.htm ...
Using Relational Databases and SQL - csns
... instructions that will solve a problem in a finite amount of time”) to accomplish each task Nonprocedural / declarative languages, like SQL, require the programmer to describe *what data* s/he wants. The platform (in this case, DBMS) determines how to produce the data This is an important distinctio ...
... instructions that will solve a problem in a finite amount of time”) to accomplish each task Nonprocedural / declarative languages, like SQL, require the programmer to describe *what data* s/he wants. The platform (in this case, DBMS) determines how to produce the data This is an important distinctio ...
Database Preservation Issues
... • Records are contained, as whole objects, in the database. • The contents of the database contain records. Each record is spread over tables. • The contents of the database is the record. • Database data (as whole objects or spread across tables) accessed or presented in a precise manner in the app ...
... • Records are contained, as whole objects, in the database. • The contents of the database contain records. Each record is spread over tables. • The contents of the database is the record. • Database data (as whole objects or spread across tables) accessed or presented in a precise manner in the app ...
Summary HENP software architecture and software
... HENP software architecture and software engineering • In our category, we have discussed mainly about tools and/or mechanisms to deal with – Large number of detector components – Large number of people – Multiple choices – Integration at active development stages ...
... HENP software architecture and software engineering • In our category, we have discussed mainly about tools and/or mechanisms to deal with – Large number of detector components – Large number of people – Multiple choices – Integration at active development stages ...
Data Collection Database options and Data
... The Data Management group provides support to both George Institute (academic Investigator Initiated studies) and also George Clinical commercial sponsors Provide database solutions for broad selection of ...
... The Data Management group provides support to both George Institute (academic Investigator Initiated studies) and also George Clinical commercial sponsors Provide database solutions for broad selection of ...
System Model Problem Formulation
... Profit-based scheduling is a static approach fails to consider the input’s actual deadline Unfortunately, it has been proven that no on-line algorithm can guarantee the optimal performance ...
... Profit-based scheduling is a static approach fails to consider the input’s actual deadline Unfortunately, it has been proven that no on-line algorithm can guarantee the optimal performance ...
Document
... A benefit that database software has over paper databases is the ease with which reports can be created. A report is an ordered list of selected records and fields in an easy-to-read format. Reports can display data in columns, as labels, or as single records. Reports are usually printed on paper. ...
... A benefit that database software has over paper databases is the ease with which reports can be created. A report is an ordered list of selected records and fields in an easy-to-read format. Reports can display data in columns, as labels, or as single records. Reports are usually printed on paper. ...
Reliability and Security in Database Servers
... Begins from current state and undoes each update in reverse order Prerequisite: System must keep undo log Undo log contains original image of each ...
... Begins from current state and undoes each update in reverse order Prerequisite: System must keep undo log Undo log contains original image of each ...
Introduction to Module
... are taking modules by mail order. There are currently 12 modules on offer (there are plans to increase this number to 18); with each student taking a maximum of 3 modules per year. Each module takes one year to complete, at the end of which an examination is taken at one of five examination centres ...
... are taking modules by mail order. There are currently 12 modules on offer (there are plans to increase this number to 18); with each student taking a maximum of 3 modules per year. Each module takes one year to complete, at the end of which an examination is taken at one of five examination centres ...
Slide 1
... data items themselves. However, relational database are used in those applications where the values of data elements are more important. If a record makes sense only when used in context of other records, then an object oriented database would be more appropriate. ...
... data items themselves. However, relational database are used in those applications where the values of data elements are more important. If a record makes sense only when used in context of other records, then an object oriented database would be more appropriate. ...
distributed_db_arch_replication
... may be affected adversely by the need for some applications to reconstruct fragments into larger units ...
... may be affected adversely by the need for some applications to reconstruct fragments into larger units ...
Aqua Data Studio
... For this class, we are using prewritten SQL files that use a semi-colon as a statement separator. Different statement separators have different pros and cons; the semi-colon is the standard statement separator for command line and GUI interfaces with many SQL languages, so we have opted for the semi ...
... For this class, we are using prewritten SQL files that use a semi-colon as a statement separator. Different statement separators have different pros and cons; the semi-colon is the standard statement separator for command line and GUI interfaces with many SQL languages, so we have opted for the semi ...
IT360 6-week Exam Review Sheet Introduction to databases 1.
... e. GROUP BY… HAVING f. Subqueries g. Joins (select from multiple tables) 3. The Relational Model Sub-topics: a. Relation /Table • Attributes b. Integrity Constraints c. Keys d. Primary key e. Candidate key f. Surrogate key g. Foreign key • Referential integrity constraint 4. Normalization Sub-topics ...
... e. GROUP BY… HAVING f. Subqueries g. Joins (select from multiple tables) 3. The Relational Model Sub-topics: a. Relation /Table • Attributes b. Integrity Constraints c. Keys d. Primary key e. Candidate key f. Surrogate key g. Foreign key • Referential integrity constraint 4. Normalization Sub-topics ...