
Title
... • EDITOR uses a procedural language to guide the wrapping process – Each page seen as object with extraction methods » One method for each attribute of page » Method accesses page’s HTML source, extracts value of corresponding attribute ...
... • EDITOR uses a procedural language to guide the wrapping process – Each page seen as object with extraction methods » One method for each attribute of page » Method accesses page’s HTML source, extracts value of corresponding attribute ...
+ 1 - web page for staff
... each information system has its own collection of files. Two potential problems might occur with this environment. First, data redundancy, in which data common to two or more information systems is duplicated in multiple files, is possible. Data redundancy obviously results in using extra storage sp ...
... each information system has its own collection of files. Two potential problems might occur with this environment. First, data redundancy, in which data common to two or more information systems is duplicated in multiple files, is possible. Data redundancy obviously results in using extra storage sp ...
1. After getting your hosting, use an FTP program (eg dreamweaver
... Enclose table and field names with backquotes check these options under the structure. In the field provided, type a filename for your export, click on gzipped option in and click GO at bottom right of screen. It should land in the downloads folder. Go and locate this file. 3. On your webhosting con ...
... Enclose table and field names with backquotes check these options under the structure. In the field provided, type a filename for your export, click on gzipped option in and click GO at bottom right of screen. It should land in the downloads folder. Go and locate this file. 3. On your webhosting con ...
Chapter 1 : Introduction
... Windows-type interface or by connecting to an Oracle database via a telnet session. The following Log On session is a connection to an Oracle database stored on a Sun Microsystems server running the Unix O/S. A SQL*PLUS session is begun by typing the command sqlplus at the command prompt($) and ente ...
... Windows-type interface or by connecting to an Oracle database via a telnet session. The following Log On session is a connection to an Oracle database stored on a Sun Microsystems server running the Unix O/S. A SQL*PLUS session is begun by typing the command sqlplus at the command prompt($) and ente ...
Data Warehouse Final Report
... will only be more to come. This makes sports data a good topic for data warehousing in that the scope is essentially endless. Furthermore in recent years sports such as baseball, football, and basketball have become huge sources of income for teams and other companies involved. The combination of ...
... will only be more to come. This makes sports data a good topic for data warehousing in that the scope is essentially endless. Furthermore in recent years sports such as baseball, football, and basketball have become huge sources of income for teams and other companies involved. The combination of ...
Resume - my name is chris tran
... Handling backend database procedures including backing up and loading clients’ old data to new sites Deploying products to clients such as health centres and private hospitals around Melbourne ...
... Handling backend database procedures including backing up and loading clients’ old data to new sites Deploying products to clients such as health centres and private hospitals around Melbourne ...
Overview of In-database Processing
... FIRSTOBS= will prevent in-database processing. Each procedure may also have limitations specific to the procedure. Refer to the SAS documentation for a specific procedure to determine in-database supported statements and options. Although in-database processing may be turned on, if an unsupported st ...
... FIRSTOBS= will prevent in-database processing. Each procedure may also have limitations specific to the procedure. Refer to the SAS documentation for a specific procedure to determine in-database supported statements and options. Although in-database processing may be turned on, if an unsupported st ...
Topics in Database Administration
... • Authorization rules. – Controls incorporated in the DBMS. – Restrict access to specific data. – Restrict actions that can be taken. ...
... • Authorization rules. – Controls incorporated in the DBMS. – Restrict access to specific data. – Restrict actions that can be taken. ...
Ch10
... • causes DBCC CHECKDB to obtain locks instead of using a snapshot, which makes it run faster. ...
... • causes DBCC CHECKDB to obtain locks instead of using a snapshot, which makes it run faster. ...
Concurrent Control
... interleaved operations from other transactions. • Nonserial Schedule: The operations from a set of concurrent transactions are interleaved. – Maximizing database availability ...
... interleaved operations from other transactions. • Nonserial Schedule: The operations from a set of concurrent transactions are interleaved. – Maximizing database availability ...
Data Structures - Data structure cs322
... An abstract data type is not a part of a program, because a program written in a programing language requires the definition of a data structure, not only the operations on data structure. ...
... An abstract data type is not a part of a program, because a program written in a programing language requires the definition of a data structure, not only the operations on data structure. ...
Logic Databases (Knowledge Bases)
... Notice that this database (or rather the consequence relation cwae ) is non-monotonic: • ¬has-office-in(IBM,NewYork) ∈ cwae (DB) Add the extra fact has-office-in(IBM,NewYork) to DB: • ¬has-office-in(IBM,NewYork) ∈ / cwae (DB ∪ {has-office-in(IBM,NewYork)}) Notice that (1) We haven’t yet constructed ...
... Notice that this database (or rather the consequence relation cwae ) is non-monotonic: • ¬has-office-in(IBM,NewYork) ∈ cwae (DB) Add the extra fact has-office-in(IBM,NewYork) to DB: • ¬has-office-in(IBM,NewYork) ∈ / cwae (DB ∪ {has-office-in(IBM,NewYork)}) Notice that (1) We haven’t yet constructed ...
Document
... a spatial relationship is identifiable between spatial features When two databases are joined, the visual affect is as if the databases are physically joined (they appear as one database) When two databases are related, no physical link appears to exist yet records selected in one of the databases ( ...
... a spatial relationship is identifiable between spatial features When two databases are joined, the visual affect is as if the databases are physically joined (they appear as one database) When two databases are related, no physical link appears to exist yet records selected in one of the databases ( ...
Chapter 1: Database Overview
... • management cost and complexity - specialized personnel are needed to support the Database and DBMS. • Organizational conflict – (user groups may not agree about the details of the shared data, or who should be allowed to access/update it) ...
... • management cost and complexity - specialized personnel are needed to support the Database and DBMS. • Organizational conflict – (user groups may not agree about the details of the shared data, or who should be allowed to access/update it) ...
Powerpoint of Chris Armit`s Talk
... • This helps us to better understand the aetiology of the disease. • Disease-gene associations are searchable with results presented in a simple table. ...
... • This helps us to better understand the aetiology of the disease. • Disease-gene associations are searchable with results presented in a simple table. ...
Techwave_2005_am18a_ASAInternals
... Improves performance, reduces memory requirements Coming to other platforms as vendors implement it ...
... Improves performance, reduces memory requirements Coming to other platforms as vendors implement it ...
Chapter 1: Introduction
... Users are differentiated by the way they expect to interact with the system • Application programmers – interact with system through DML calls • Sophisticated users – form requests in a database query language • Specialized users – write specialized database applications that do not fit into the tra ...
... Users are differentiated by the way they expect to interact with the system • Application programmers – interact with system through DML calls • Sophisticated users – form requests in a database query language • Specialized users – write specialized database applications that do not fit into the tra ...
Lecture 1
... Main Characteristics of DB • Self-Describing nature of a database system ( catalog =Data + metadata) • Insulation between programs and data ( program-data-independence) • Support of multiple views of the data (virtual data) • Sharing of data and multi-user transaction ...
... Main Characteristics of DB • Self-Describing nature of a database system ( catalog =Data + metadata) • Insulation between programs and data ( program-data-independence) • Support of multiple views of the data (virtual data) • Sharing of data and multi-user transaction ...
JDBC
... allowing SQL statements to be sent and executed through a Java program) JDBC package: set of Java classes that facilitate this access (java.sql.*) ...
... allowing SQL statements to be sent and executed through a Java program) JDBC package: set of Java classes that facilitate this access (java.sql.*) ...
1411_Lecture4
... table that might be used in a personnel system. • The table stores the attributes of employees. • Tables are composed of rows (also called records) and columns (also called fields) in which values are stored. • This table consists of six rows (one per employee) and five columns (one per attribute). ...
... table that might be used in a personnel system. • The table stores the attributes of employees. • Tables are composed of rows (also called records) and columns (also called fields) in which values are stored. • This table consists of six rows (one per employee) and five columns (one per attribute). ...
CS chit-chat - ERI people pages
... • Gazetteer is an instance of a much more general problem • To wit: – how to describe the automatic translation of dynamic queries written in an abstract query language to SQL – in an easy, powerful, flexible way – making as few assumptions as possible about the underlying schema – and producing “re ...
... • Gazetteer is an instance of a much more general problem • To wit: – how to describe the automatic translation of dynamic queries written in an abstract query language to SQL – in an easy, powerful, flexible way – making as few assumptions as possible about the underlying schema – and producing “re ...
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.