Database Management System
... A relation is in ____________ if an attribute of a composite key is dependent on an attribute of other composite key. (A) 2NF (B) 3NF (C) BCNF (D) 1NF Ans: (B) A relation is in 3 NF if an attribute of a composite key is dependent on an attribute of other composite key. (If an attribute of a composit ...
... A relation is in ____________ if an attribute of a composite key is dependent on an attribute of other composite key. (A) 2NF (B) 3NF (C) BCNF (D) 1NF Ans: (B) A relation is in 3 NF if an attribute of a composite key is dependent on an attribute of other composite key. (If an attribute of a composit ...
Oracle Database 10g
... was unclear whether any system based on this concept could achieve commercial success. Nevertheless, Relational Software, Incorporated (RSI) began in 1977 and released Oracle V.2 as the world’s first relational database within a couple of years. By 1985, Oracle could claim more than 1,000 relational ...
... was unclear whether any system based on this concept could achieve commercial success. Nevertheless, Relational Software, Incorporated (RSI) began in 1977 and released Oracle V.2 as the world’s first relational database within a couple of years. By 1985, Oracle could claim more than 1,000 relational ...
JDBC - USC
... – If more than one error occurs, they are chained together – SQL exceptions contain: • Description of the error: getMessage • The SQLState (Open Group SQL specification) identifying the exception: getSQLState • A vendor-specific integer error code:, getErrorCode • A chain to the next exception: getN ...
... – If more than one error occurs, they are chained together – SQL exceptions contain: • Description of the error: getMessage • The SQLState (Open Group SQL specification) identifying the exception: getSQLState • A vendor-specific integer error code:, getErrorCode • A chain to the next exception: getN ...
KorthDB6_ch7
... The phases of the database design Understanding the needs of users and enterprises Conceptual design using the abstract model like ER Model Specification of functional requirements (operations & transactions) Converting the abstract model to implementation details Logical design phase: con ...
... The phases of the database design Understanding the needs of users and enterprises Conceptual design using the abstract model like ER Model Specification of functional requirements (operations & transactions) Converting the abstract model to implementation details Logical design phase: con ...
Chapter 19: Distributed Databases
... more subsystems that lack any connection between them – Note: a subsystem may consist of a single node ...
... more subsystems that lack any connection between them – Note: a subsystem may consist of a single node ...
Part IV: Java Database Programming This part of the book discusses
... occur during a batch operation. The DatabaseMetaData Interface The DatabaseMetaData interface enables you to obtain information about the database, such as tables, views, columns, primary keys, and foreign keys. Many of these methods return the information in ResultSet. You can use the normal Result ...
... occur during a batch operation. The DatabaseMetaData Interface The DatabaseMetaData interface enables you to obtain information about the database, such as tables, views, columns, primary keys, and foreign keys. Many of these methods return the information in ResultSet. You can use the normal Result ...
1. What are the components of physical database structure of Oracle
... An index is a database structure used by the server to have direct access of a row in a table. An index is automatically created when a unique of primary key constraint clause is specified in create table comman (Ver 7.0) 70. What is a Database instance ? Explain A database instance (Server) is a se ...
... An index is a database structure used by the server to have direct access of a row in a table. An index is automatically created when a unique of primary key constraint clause is specified in create table comman (Ver 7.0) 70. What is a Database instance ? Explain A database instance (Server) is a se ...
Database Installation Guide
... Network (OTN) Web site http://www.oracle.com/technology/documentation/agile.html contains the latest versions of the Agile PLM PDF files. You can view or download these manuals from the Web site, or you can ask your Agile administrator if there is an Agile PLM Documentation folder available on your ...
... Network (OTN) Web site http://www.oracle.com/technology/documentation/agile.html contains the latest versions of the Agile PLM PDF files. You can view or download these manuals from the Web site, or you can ask your Agile administrator if there is an Agile PLM Documentation folder available on your ...
Chapter 1 - Databases and information models
... that only that IBM product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any IBM intellectual property right may be used instead. However, it is the user's responsibility to evaluate and verify the operation of any non-IBM product, ...
... that only that IBM product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any IBM intellectual property right may be used instead. However, it is the user's responsibility to evaluate and verify the operation of any non-IBM product, ...
Implementing Oracle9i Data Guard
... The specifics of this implementation were to create a standby database on server node2 for an existing database, PROD1, on node1. Similarly, to create a standby database on server node1 for a separate existing database, PROD2, on node2. Because one implementation was the mirror image of the other, t ...
... The specifics of this implementation were to create a standby database on server node2 for an existing database, PROD1, on node1. Similarly, to create a standby database on server node1 for a separate existing database, PROD2, on node2. Because one implementation was the mirror image of the other, t ...
Implementing Oracle9i Data Guard
... The specifics of this implementation were to create a standby database on server node2 for an existing database, PROD1, on node1. Similarly, to create a standby database on server node1 for a separate existing database, PROD2, on node2. Because one implementation was the mirror image of the other, t ...
... The specifics of this implementation were to create a standby database on server node2 for an existing database, PROD1, on node1. Similarly, to create a standby database on server node1 for a separate existing database, PROD2, on node2. Because one implementation was the mirror image of the other, t ...
Table of contents - DBA Easy Control
... users history data and granted object and system privileges. The access history is of particular importance for the company security services related to data access check. The interface with external systems of monitoring is implemented to enhance warning functions to identify possible problems in d ...
... users history data and granted object and system privileges. The access history is of particular importance for the company security services related to data access check. The interface with external systems of monitoring is implemented to enhance warning functions to identify possible problems in d ...
Exercise 76 - Replacing Text
... are designed to take the user through the features to enhance, fulfil and instil confidence in the product. ACCESS ADVANCED - The third guide in the Microsoft Access series contains exercises covering the following topics: ...
... are designed to take the user through the features to enhance, fulfil and instil confidence in the product. ACCESS ADVANCED - The third guide in the Microsoft Access series contains exercises covering the following topics: ...
Chapter 7: Relational Database Design
... Combine Schemas? Suppose we combine borrower and loan to get ...
... Combine Schemas? Suppose we combine borrower and loan to get ...
Document
... then we must perform another transaction to reverse it. On the other hand, an aborted transaction can be restarted later, and depending on the cause of failure, may successfully execute and commit at that time. A DBMS has no way of knowing which updates are grouped together to form a single, log ...
... then we must perform another transaction to reverse it. On the other hand, an aborted transaction can be restarted later, and depending on the cause of failure, may successfully execute and commit at that time. A DBMS has no way of knowing which updates are grouped together to form a single, log ...
Vulcan Overview
... A provider is a C++ object that implements the canonical provider interface class. The base interface class is extensible. A provider that does not support a particular function returns a proper OSRI error sequence. Providers include actual database engines, remote interfaces to communicate with ser ...
... A provider is a C++ object that implements the canonical provider interface class. The base interface class is extensible. A provider that does not support a particular function returns a proper OSRI error sequence. Providers include actual database engines, remote interfaces to communicate with ser ...
Migrating Informix to DB2 - Washington Area Informix User Group
... will need bufferpools with the same page size to dedicate them to Can just use the default: IBMDEFAULTBP Can create specific buffers later, and change with the “alter tablespace” command Can never change the page size of an ...
... will need bufferpools with the same page size to dedicate them to Can just use the default: IBMDEFAULTBP Can create specific buffers later, and change with the “alter tablespace” command Can never change the page size of an ...
Chapter 2: Relational Model
... ■ Each attribute of a relation has a name ■ The set of allowed values for each attribute is called the domain of the ...
... ■ Each attribute of a relation has a name ■ The set of allowed values for each attribute is called the domain of the ...
E - Read
... Query optimization choosing the evaluation plan with lowest or the lower cost Query optimization is conducted by two strategies/approaches cost-based optimization,§14.4.2 heuristic optimization, §14.4.3! Practical query optimizers incorporate elements of these two ...
... Query optimization choosing the evaluation plan with lowest or the lower cost Query optimization is conducted by two strategies/approaches cost-based optimization,§14.4.2 heuristic optimization, §14.4.3! Practical query optimizers incorporate elements of these two ...
