Chapter 1: Introduction
... select account.balance from depositor, account where depositor.customer-id = ‘192-83-7465’ and depositor.account-number = account.account-number Application programs generally access databases through one of ...
... select account.balance from depositor, account where depositor.customer-id = ‘192-83-7465’ and depositor.account-number = account.account-number Application programs generally access databases through one of ...
powerpoint slides (DB**)
... select account.balance from depositor, account where depositor.customer-id = ‘192-83-7465’ and depositor.account-number = account.account-number Application programs generally access databases through one of ...
... select account.balance from depositor, account where depositor.customer-id = ‘192-83-7465’ and depositor.account-number = account.account-number Application programs generally access databases through one of ...
notes #3
... • Should be complete and accurate representation of an organization’s data requirements. • Conceptual modelling is process of developing a model of information use that is independent of ...
... • Should be complete and accurate representation of an organization’s data requirements. • Conceptual modelling is process of developing a model of information use that is independent of ...
Database Users and Administrators
... Pascal etc. These queries are converted into object code to communicate with the database. For example, writing a C program to generate the report of employees who are working in particular department will involve a query to fetch the data from database. It will include a embedded SQL query in the C ...
... Pascal etc. These queries are converted into object code to communicate with the database. For example, writing a C program to generate the report of employees who are working in particular department will involve a query to fetch the data from database. It will include a embedded SQL query in the C ...
Chapter 1 Notes
... select account.balance from depositor, account where depositor.customer-id = ‘192-83-7465’ and depositor.account-number = account.account-number Application programs generally access databases through one of ...
... select account.balance from depositor, account where depositor.customer-id = ‘192-83-7465’ and depositor.account-number = account.account-number Application programs generally access databases through one of ...
data type
... • Used to present a set of desired information, independent of the underlying database structure • Can be used to hide complexities of the underlying data model from the user – One way to address the cons of normalization ...
... • Used to present a set of desired information, independent of the underlying database structure • Can be used to hide complexities of the underlying data model from the user – One way to address the cons of normalization ...
What is SQL
... SQL is a well know and widely accepted database language. It was first developed at IBM in the mid 1970’s and was known as SEQUEL 2. SQL has been accepted as an ANSI standard which strictly defines the syntax and behaviour of the language. Needless to say there are countless variations on the standa ...
... SQL is a well know and widely accepted database language. It was first developed at IBM in the mid 1970’s and was known as SEQUEL 2. SQL has been accepted as an ANSI standard which strictly defines the syntax and behaviour of the language. Needless to say there are countless variations on the standa ...
BDM Presentation
... Easy to Scale –out across multiple database. Pay-as-you-grow databases No hardware, physical DB or file management required Multi-tenant data hosting Logical schema per tenant with isolated physical storage Provision new tenants quickly and easily Business-Ready SLAs Reliability Security management ...
... Easy to Scale –out across multiple database. Pay-as-you-grow databases No hardware, physical DB or file management required Multi-tenant data hosting Logical schema per tenant with isolated physical storage Provision new tenants quickly and easily Business-Ready SLAs Reliability Security management ...
Exam Discussion-AIC
... • Will each topic contain questions from all subjects mentioned in the title? – No. They represent the pool of information from which questions are asked. See also last year’s exam. ...
... • Will each topic contain questions from all subjects mentioned in the title? – No. They represent the pool of information from which questions are asked. See also last year’s exam. ...
DBAdminFund_PPT_1.4
... Following is a basic review of some of the most common DML commands: SELECT—The SELECT command is the most common one in SQL. It allows a user to retrieve specific information from the database. ...
... Following is a basic review of some of the most common DML commands: SELECT—The SELECT command is the most common one in SQL. It allows a user to retrieve specific information from the database. ...
Database Systems: Design, Implementation, and Management
... describes an association among (two or more) entities – One-to-many (1:M) relationship – Many-to-many (M:N or M:M) relationship – One-to-one (1:1) relationship ...
... describes an association among (two or more) entities – One-to-many (1:M) relationship – Many-to-many (M:N or M:M) relationship – One-to-one (1:1) relationship ...
Current and Future Database Trends
... The growth of distributed processing and networking has been accompanied by a movement towards distributed database. A distributed database is one, which is stored in more than one physical location. Parts of the database are stored physically in one location, and other parts are stored and maintain ...
... The growth of distributed processing and networking has been accompanied by a movement towards distributed database. A distributed database is one, which is stored in more than one physical location. Parts of the database are stored physically in one location, and other parts are stored and maintain ...
Data Resource Management
... • Represents an attribute (a characteristic or quality) of some entity (object, person, place or event) Record • Key field Table Database Database Management System – DBMS • Interface between user and data ...
... • Represents an attribute (a characteristic or quality) of some entity (object, person, place or event) Record • Key field Table Database Database Management System – DBMS • Interface between user and data ...
Database
... an abstract model of how data should be structured and arranged to meet an organization’s information needs ...
... an abstract model of how data should be structured and arranged to meet an organization’s information needs ...
Fault-Tolerance in Real
... Hardware: Intel/Pentium Language: C++, Java Interoperability: CORBA/IIOP, TCP/IP, Java RMI 3:rd party SW: Java ...
... Hardware: Intel/Pentium Language: C++, Java Interoperability: CORBA/IIOP, TCP/IP, Java RMI 3:rd party SW: Java ...
Lecture 18 - Introduction to Distributed Databases
... Ανεξαπηηζία Δεδομένων): Users should not have to know where data is located. • Extends Physical and Logical Data Independence principles. • In particular, the user is shielded from the details of how data is “stored” (e.g., sorted, not sorted) and “logically organized” (e.g., in one or more relation ...
... Ανεξαπηηζία Δεδομένων): Users should not have to know where data is located. • Extends Physical and Logical Data Independence principles. • In particular, the user is shielded from the details of how data is “stored” (e.g., sorted, not sorted) and “logically organized” (e.g., in one or more relation ...
CHAPTER 1: THE DATABASE ENVIRONMENT
... meaningful. This processed data is referred to as information. Information is organized data and presented in a manner that has additional meaning and value beyond the data itself. Typically, this data conversion is termed IPO which stands for input-process-output. Initially, data is fed as input fo ...
... meaningful. This processed data is referred to as information. Information is organized data and presented in a manner that has additional meaning and value beyond the data itself. Typically, this data conversion is termed IPO which stands for input-process-output. Initially, data is fed as input fo ...
IMS1907 Database Systems - Monash University, Victoria, School of
... Conversion costs from legacy systems Critical need for explicit backup and recovery Organisational conflict and change ...
... Conversion costs from legacy systems Critical need for explicit backup and recovery Organisational conflict and change ...
Database
... necessary data from data-warehouse for analysis. This extracted data is called data-mart. For instance, only particular customer group such as young adult is needed to analyze their sales pattern. • Data, data-warehouse, and data-mart is used by many organizations to find important information to ma ...
... necessary data from data-warehouse for analysis. This extracted data is called data-mart. For instance, only particular customer group such as young adult is needed to analyze their sales pattern. • Data, data-warehouse, and data-mart is used by many organizations to find important information to ma ...
Lecture 9 – Database Design
... • Process of database design and development • Database Design – Complete, normalized, non-redundant and fully integrated conceptual, logical, and physical database models ...
... • Process of database design and development • Database Design – Complete, normalized, non-redundant and fully integrated conceptual, logical, and physical database models ...