Working with Derby
... • The error messages can be more or less easy to understand… • It is almost always a matter of trying to enter data of the wrong type • Might also be data of incorrect size • Some errors are more subtle, like a wrong ...
... • The error messages can be more or less easy to understand… • It is almost always a matter of trying to enter data of the wrong type • Might also be data of incorrect size • Some errors are more subtle, like a wrong ...
decision support systems
... In every organization, every functional arm of business has its own TPS for gathering and using data. In a sense, each system stands alone since it belongs to a particular department. Since all such systems are part of the firm they need to be integrated otherwise a firm will end up with a collectio ...
... In every organization, every functional arm of business has its own TPS for gathering and using data. In a sense, each system stands alone since it belongs to a particular department. Since all such systems are part of the firm they need to be integrated otherwise a firm will end up with a collectio ...
Object Oriented Analysis and Design
... internally, messages to itself. This private protocol of the class, includes messages that normally should not be sent from other objects. Here only the class itself can use the methods. • The public protocol defines the stated behavior of the class as a citizen in a population and is important info ...
... internally, messages to itself. This private protocol of the class, includes messages that normally should not be sent from other objects. Here only the class itself can use the methods. • The public protocol defines the stated behavior of the class as a citizen in a population and is important info ...
Overview of Database Systems
... A data model hides many low-level details • A schema is a description of a particular collection of data, using a given data model. • The relational model of data is the most widely used model today. ...
... A data model hides many low-level details • A schema is a description of a particular collection of data, using a given data model. • The relational model of data is the most widely used model today. ...
Data Management in Geodise
... The data can be stored with additional descriptive information detailing standard metadata (e.g. file format, description) and application domain specific metadata (e.g. grids, flux_order). An XML database is used as is it flexible enough to store nested, complex engineering data. © Geodise Proj ...
... The data can be stored with additional descriptive information detailing standard metadata (e.g. file format, description) and application domain specific metadata (e.g. grids, flux_order). An XML database is used as is it flexible enough to store nested, complex engineering data. © Geodise Proj ...
Object Oriented Analysis and Design
... internally, messages to itself. This private protocol of the class, includes messages that normally should not be sent from other objects. Here only the class itself can use the methods. • The public protocol defines the stated behavior of the class as a citizen in a population and is important info ...
... internally, messages to itself. This private protocol of the class, includes messages that normally should not be sent from other objects. Here only the class itself can use the methods. • The public protocol defines the stated behavior of the class as a citizen in a population and is important info ...
Teradata USPs
... “ABC Ltd” and “ABC Limited” • Reporting – Data required for reporting may be missing e.g. Customer Industry Classification, Customer Segment – Lack of hierarchies – Sorting ...
... “ABC Ltd” and “ABC Limited” • Reporting – Data required for reporting may be missing e.g. Customer Industry Classification, Customer Segment – Lack of hierarchies – Sorting ...
Grading Policy
... A final will be given at the end of this Semester, and the times are listed at the end of this syllabus. It will emphasize material taken from the text, assignments, and the lecture notes. In other words, anything from the books, the lecture notes, or assignments is fair game for the final exam. Stu ...
... A final will be given at the end of this Semester, and the times are listed at the end of this syllabus. It will emphasize material taken from the text, assignments, and the lecture notes. In other words, anything from the books, the lecture notes, or assignments is fair game for the final exam. Stu ...
CHAPTER 3 Relational Database Management System: Oracle™
... is a recursive query in which the data tree needs to be traversed from the employee node all the way down to the leaves in the sub-tree. One common strategy to solve this problem is to use a temporary table of social security numbers. Initially, this temporary table will store the next level supervi ...
... is a recursive query in which the data tree needs to be traversed from the employee node all the way down to the leaves in the sub-tree. One common strategy to solve this problem is to use a temporary table of social security numbers. Initially, this temporary table will store the next level supervi ...
databases and information management
... • Databases and the Web – Many companies use Web to make some internal databases available to customers or partners – Advantages of using Web for database access: 1. Ease of use of browser software 2. Web interface requires few or no changes to database 3. Inexpensive to add Web interface to system ...
... • Databases and the Web – Many companies use Web to make some internal databases available to customers or partners – Advantages of using Web for database access: 1. Ease of use of browser software 2. Web interface requires few or no changes to database 3. Inexpensive to add Web interface to system ...
Unity Demonstration - People | UBC's Okanagan campus
... Integration handles the different mechanisms for storing data (structural conflicts), for referencing data (naming conflicts), and for attributing meaning to the data (semantic conflicts). ...
... Integration handles the different mechanisms for storing data (structural conflicts), for referencing data (naming conflicts), and for attributing meaning to the data (semantic conflicts). ...
Object Relational Databases
... • Inheritance is a good idea. • Functions (including database procedures and methods) and encapsulation are a good idea. • Unique identifiers for tuples should be assigned by the DBMS only if a user-defined primary key is unavailable. • Rules (triggers or constraints) will become a major feature in ...
... • Inheritance is a good idea. • Functions (including database procedures and methods) and encapsulation are a good idea. • Unique identifiers for tuples should be assigned by the DBMS only if a user-defined primary key is unavailable. • Rules (triggers or constraints) will become a major feature in ...
catalog Optimization Logical Expression
... There are choices when it comes to moving data! Two sides of the same coin: • Selecting execution locations for a query’s operations determines data movement --OR-• Selecting data movements determines query operation ...
... There are choices when it comes to moving data! Two sides of the same coin: • Selecting execution locations for a query’s operations determines data movement --OR-• Selecting data movements determines query operation ...
Review
... Semantic Constraints Domain, primary key, and foreign key are examples of structural (syntactic) constraints Semantic constraints express rules of application: ...
... Semantic Constraints Domain, primary key, and foreign key are examples of structural (syntactic) constraints Semantic constraints express rules of application: ...
Irwin/McGraw-Hill
... Features of DBMS Software Data Definition Commands used to set up the data structures and define user data views -- known as logical views or schemes ...
... Features of DBMS Software Data Definition Commands used to set up the data structures and define user data views -- known as logical views or schemes ...
Chapter 12
... A furniture store sells merchandise on credit with internal financing. Salespeople sometimes sell furniture on credit to friends and relatives. How do we ensure that only authorized employees can extend credit and record payments and adjustments to credit accounts? A bookkeeper uses accounting softw ...
... A furniture store sells merchandise on credit with internal financing. Salespeople sometimes sell furniture on credit to friends and relatives. How do we ensure that only authorized employees can extend credit and record payments and adjustments to credit accounts? A bookkeeper uses accounting softw ...
Grading Scale Final grade will be based on the total number of
... is a prerequisite for this course. Many query languages are based on the predicate calculus. Therefore Discrete Math. is strongly recommended . The student is expected to be familiar with basic concepts of programming in C++, and with a variety of mathematical tools for modeling and analyzing discre ...
... is a prerequisite for this course. Many query languages are based on the predicate calculus. Therefore Discrete Math. is strongly recommended . The student is expected to be familiar with basic concepts of programming in C++, and with a variety of mathematical tools for modeling and analyzing discre ...
Principles of Dataspace Systems
... First, instead of having a single value for an attribute, it may have several values. Second, the tuple may be a maybe-tuple. ...
... First, instead of having a single value for an attribute, it may have several values. Second, the tuple may be a maybe-tuple. ...
SDLC Tute - Information Management and Systems
... MySQL are identical to that used by other relational DBMS programs such as Oracle, SQL Server and DB2 to name a few. In some cases, the commands and syntax used in MySQL may differ slightly from those used by other DBMS products but this is not uncommon in proprietary products. The version of MySQL ...
... MySQL are identical to that used by other relational DBMS programs such as Oracle, SQL Server and DB2 to name a few. In some cases, the commands and syntax used in MySQL may differ slightly from those used by other DBMS products but this is not uncommon in proprietary products. The version of MySQL ...
INTRODUCTION TO JDBC
... ODBC (Open Database Connectivity) is a C-based interface to SQL-based database systems originally developed by Microsoft in early 90s to access various DBMSs in a consistent way. ODBC accomplishes DBMS independence by using an ODBC driver as a translation layer between the application and the DBMS. ...
... ODBC (Open Database Connectivity) is a C-based interface to SQL-based database systems originally developed by Microsoft in early 90s to access various DBMSs in a consistent way. ODBC accomplishes DBMS independence by using an ODBC driver as a translation layer between the application and the DBMS. ...
Presentation
... CommandText – the body of the SQL query or the name of the stored procedure Parameters ...
... CommandText – the body of the SQL query or the name of the stored procedure Parameters ...
Physical design
... Logical design the design functions and operations are described in detail, including business rules, process diagrams and other documentation. The output of this stage will describe the new system as a collection of modules or subsystems ...
... Logical design the design functions and operations are described in detail, including business rules, process diagrams and other documentation. The output of this stage will describe the new system as a collection of modules or subsystems ...
Database model
A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.