IT 21003 Database Administration
... Should minimize human intervention Can use the Recovery Manager to help automate these procedures ...
... Should minimize human intervention Can use the Recovery Manager to help automate these procedures ...
Lecture 6 - Relational Algebra I
... S A1 , A2 ,..., An ( R) {ts ( A1 , A2 ,..., An ) | t R R, t R ( B1 , B2 ,..., Bk ), and { A1 , A2 ,..., An } {B1 , B2 ,..., Bk }} ...
... S A1 , A2 ,..., An ( R) {ts ( A1 , A2 ,..., An ) | t R R, t R ( B1 , B2 ,..., Bk ), and { A1 , A2 ,..., An } {B1 , B2 ,..., Bk }} ...
Databases, Data, and Information
... • Data integrity identifies the quality of the data • Garbage in, garbage out (GIGO) points out the accuracy of a computer’s output depends on the accuracy of the input • For most organizations data is one of there most ...
... • Data integrity identifies the quality of the data • Garbage in, garbage out (GIGO) points out the accuracy of a computer’s output depends on the accuracy of the input • For most organizations data is one of there most ...
CIS 830 (Advanced Topics in AI) Lecture 2 of 45
... Eg:.\;x:\java\lib\classes.zip;x:\oracle-jdbc\lib\classes111.zip “This is for Windows … how is unix different?” ...
... Eg:.\;x:\java\lib\classes.zip;x:\oracle-jdbc\lib\classes111.zip “This is for Windows … how is unix different?” ...
Kroenke-DBP-e10-PPT-Chapter09
... Atomic Transactions • A transaction, or logical unit of work (LUW), is a series of actions taken against the database that occurs as an atomic unit – Either all actions in a transaction occur or none of them do ...
... Atomic Transactions • A transaction, or logical unit of work (LUW), is a series of actions taken against the database that occurs as an atomic unit – Either all actions in a transaction occur or none of them do ...
Chapter 3: Organizing Data and Information
... Data Entities, Attributes, and Keys • Entity: a generalized class of people, places, or things (objects) for which data is collected, stored, and maintained • Attribute: a characteristic of an entity • Data item: a value of an attribute • Key: field(s) that identify a record • Primary key: field(s) ...
... Data Entities, Attributes, and Keys • Entity: a generalized class of people, places, or things (objects) for which data is collected, stored, and maintained • Attribute: a characteristic of an entity • Data item: a value of an attribute • Key: field(s) that identify a record • Primary key: field(s) ...
Database Security and Auditing
... – Public database role: • Cannot be dropped • Users automatically belong to this role • Users cannot be dropped Database Security and Auditing ...
... – Public database role: • Cannot be dropped • Users automatically belong to this role • Users cannot be dropped Database Security and Auditing ...
Chapter -3
... Data Entities, Attributes, and Keys • Entity: a generalized class of people, places, or things (objects) for which data is collected, stored, and maintained • Attribute: a characteristic of an entity • Data item: a value of an attribute • Key: field(s) that identify a record • Primary key: field(s) ...
... Data Entities, Attributes, and Keys • Entity: a generalized class of people, places, or things (objects) for which data is collected, stored, and maintained • Attribute: a characteristic of an entity • Data item: a value of an attribute • Key: field(s) that identify a record • Primary key: field(s) ...
slides
... Queries on the GCUTours database return the results virtually instantaneously With a small database, the performance of a query is not an issue However, when there are many thousands of rows in the database tables, it can take a lot more time to extract the rows you want If query performance is poor ...
... Queries on the GCUTours database return the results virtually instantaneously With a small database, the performance of a query is not an issue However, when there are many thousands of rows in the database tables, it can take a lot more time to extract the rows you want If query performance is poor ...
Overview of Database Management - Cheriton School of Computer
... A large and persistent collection of (more-or-less similar) pieces of information organized in a way that facilitates efficient retrieval and modification. The structure of the database is determined by the abstract data model that is used Examples: • a file cabinet • a library system • a personnel ...
... A large and persistent collection of (more-or-less similar) pieces of information organized in a way that facilitates efficient retrieval and modification. The structure of the database is determined by the abstract data model that is used Examples: • a file cabinet • a library system • a personnel ...
Chapter 7
... Directories are at the heart of many CRM (customer relationship management) systems—software systems for organizing and tracking information on customers. ...
... Directories are at the heart of many CRM (customer relationship management) systems—software systems for organizing and tracking information on customers. ...
kroenke_dbp11e_ch01
... • To define and understand database design from existing data • To define and understand database design as new systems development • To define and understand database design in database redesign • To understand the history and development of database processing KROENKE AND AUER - DATABASE PROCESSIN ...
... • To define and understand database design from existing data • To define and understand database design as new systems development • To define and understand database design in database redesign • To understand the history and development of database processing KROENKE AND AUER - DATABASE PROCESSIN ...
slides
... Multi-relation access plans • Similar principle, but now many more possibilities to consider. • Common approach: – Consider subsets of the involved relations, and the conditions that apply to each subset. – Estimate the cost of evaluating the σπ×− expression restricted to this subset. – Need to dis ...
... Multi-relation access plans • Similar principle, but now many more possibilities to consider. • Common approach: – Consider subsets of the involved relations, and the conditions that apply to each subset. – Estimate the cost of evaluating the σπ×− expression restricted to this subset. – Need to dis ...
SQLite
... Persistent Data • We have used files already (Favorite Twitter Searches) • Core Data • SQLite • Can also access data from other apps (photo, calendar, ..) ...
... Persistent Data • We have used files already (Favorite Twitter Searches) • Core Data • SQLite • Can also access data from other apps (photo, calendar, ..) ...
Creación de una capa de información interoperable sobre
... example, when we enhance the points at which shrines are located, we have to pick up a symbol size which will be visible but will not create overlaps among nearby shrines. In terms of rivers and roads, we have had to simplify their lines, by reducing the amount of details, in order for these lineal ...
... example, when we enhance the points at which shrines are located, we have to pick up a symbol size which will be visible but will not create overlaps among nearby shrines. In terms of rivers and roads, we have had to simplify their lines, by reducing the amount of details, in order for these lineal ...
Best-Effort Multimedia Networking Outline
... the end If it does not make sense to do this split your procedures further ...
... the end If it does not make sense to do this split your procedures further ...
LESSON: Java DataBase Connectivity (JDBC)
... • with ResultSet.next() you can loop through the result set • with ResultSet.getXXX() you can get the data out for a column in the
current row. (XXX is the datatype of the column eg String)
• alternatively you can use ResultSet.getXXX() where the left most
column is 1
...
... • with ResultSet.next() you can loop through the result set • with ResultSet.getXXX(
ADVANCED SQL AND PL/SQL TOPICS
... database storage structures and allows the DBA to create and configure storage structures A Guide to Oracle9i ...
... database storage structures and allows the DBA to create and configure storage structures A Guide to Oracle9i ...
PowerPoint
... – If the database is located on a diskette, the diskette must be in the diskette drive at all times while working with this particular database ...
... – If the database is located on a diskette, the diskette must be in the diskette drive at all times while working with this particular database ...
Default Temporary Tablespace
... Stores copies of data blocks that have been retrieved from the datafiles Enables great performance gains when you obtain and update data Managed through an LRU algorithm DB_BLOCK_SIZE determines primary block size Database Buffer Cache ...
... Stores copies of data blocks that have been retrieved from the datafiles Enables great performance gains when you obtain and update data Managed through an LRU algorithm DB_BLOCK_SIZE determines primary block size Database Buffer Cache ...
COMPARISON AND SYNCHRONIZATION OF
... There should also exist a template copy of an application’s database containing all the objects required to run an application compiled from the latest repository source code. After making the changes, the application is initially tested by a developer (also in an automated way). When the new functi ...
... There should also exist a template copy of an application’s database containing all the objects required to run an application compiled from the latest repository source code. After making the changes, the application is initially tested by a developer (also in an automated way). When the new functi ...
A Firm Foundation for Private Data Analysis
... no information about the message. This is formalized by have been suppressed or altered. A famous example is AOL’s comparing the ability of a computationally efficient adverrelease of a set of “anonoymized” search query logs. Peosary, having access to both the ciphertext and any auxiliary ple search ...
... no information about the message. This is formalized by have been suppressed or altered. A famous example is AOL’s comparing the ability of a computationally efficient adverrelease of a set of “anonoymized” search query logs. Peosary, having access to both the ciphertext and any auxiliary ple search ...
Using the diagram shown – fig 1, give a brief description of web
... d. If a user has access to only one database, in which table will they be listed? 7. Software Installation a. Give a brief description of the process of installing MySQL, Apache and PHP4 having downloaded the appropriate versions from the Internet or from a CD ROM provided with the textbook. b. Name ...
... d. If a user has access to only one database, in which table will they be listed? 7. Software Installation a. Give a brief description of the process of installing MySQL, Apache and PHP4 having downloaded the appropriate versions from the Internet or from a CD ROM provided with the textbook. b. Name ...