A Comparative Study on Oracle and IBM
... information to prevent it from changing while being read, or to prevent queries from reading changed but uncommitted information, Oracle uses the current information in the undo records to construct a read-consistent view of a table's data, and to ensure that a consistent version of the information ...
... information to prevent it from changing while being read, or to prevent queries from reading changed but uncommitted information, Oracle uses the current information in the undo records to construct a read-consistent view of a table's data, and to ensure that a consistent version of the information ...
blast
... Significance of a hit: example Search against a database of 10,000 sequences. An extreme-value distribution (blue) is fitted to the distribution of all scores. It is found that 99.9% of the blue distribution has a score below 112. This means that when searching a database of 10,000 sequences you’d ...
... Significance of a hit: example Search against a database of 10,000 sequences. An extreme-value distribution (blue) is fitted to the distribution of all scores. It is found that 99.9% of the blue distribution has a score below 112. This means that when searching a database of 10,000 sequences you’d ...
Decision support, OLAP
... size estimation is difficult. • Two interesting cases: – If the join with some dimension table results in much fewer tuples than in the fact table, we may perform this join first using an index (if available). – Otherwise we may use the pipelined join that scans the whole fact table. ...
... size estimation is difficult. • Two interesting cases: – If the join with some dimension table results in much fewer tuples than in the fact table, we may perform this join first using an index (if available). – Otherwise we may use the pipelined join that scans the whole fact table. ...
Slide 1
... Database client software allows any remote computer or network workstation to access data in a database ...
... Database client software allows any remote computer or network workstation to access data in a database ...
Accessing External Databases from Mobile Applications
... MySQL Server: MySQL Server is an open source relational database management system that runs as a server providing multi-user access to multiple databases. It is primarily an RDBMS without a GUI interface. But in this research, we have used MySQL workbench which enables users to graphically administ ...
... MySQL Server: MySQL Server is an open source relational database management system that runs as a server providing multi-user access to multiple databases. It is primarily an RDBMS without a GUI interface. But in this research, we have used MySQL workbench which enables users to graphically administ ...
marked - Kansas State University
... The set of allowed values for each attribute is called the domain of the attribute Attribute values are (normally) required to be atomic; that is, indivisible Note: multivalued attribute values are not atomic Note: composite attribute values are not atomic ...
... The set of allowed values for each attribute is called the domain of the attribute Attribute values are (normally) required to be atomic; that is, indivisible Note: multivalued attribute values are not atomic Note: composite attribute values are not atomic ...
Database Systems Session 2 – Main Theme Relational Data Model
... Managing The Data Of An Enterprise We may consider some enterprise (organization) and the totality of the information it maintains. We think about managing this information, focusing on OLTP Ideally, the information should be stored in a (logically) single (possibly physically distributed) da ...
... Managing The Data Of An Enterprise We may consider some enterprise (organization) and the totality of the information it maintains. We think about managing this information, focusing on OLTP Ideally, the information should be stored in a (logically) single (possibly physically distributed) da ...
Official Cert Guide for Popular Oracle 1Z0
... when Oracle Database performs full redaction (DBMS_REDACT.FULL) on a column of the NUMBER data type. If you want to change it to another value (for example, 7), then you can run the DBMS_REDACT.UPDATE_FULL_REDACTION_VALUES procedure to modify this value. The modification applies to all of the Data R ...
... when Oracle Database performs full redaction (DBMS_REDACT.FULL) on a column of the NUMBER data type. If you want to change it to another value (for example, 7), then you can run the DBMS_REDACT.UPDATE_FULL_REDACTION_VALUES procedure to modify this value. The modification applies to all of the Data R ...
718 KB - PASS Security Virtual Chapter
... dbo bypasses permissions checking within database Sysadmins impersonate dbo within database Invalid owner can cause error 916 when sysadmin tries to access database: The server principal is not able to access the
database under the current security context.
...
... dbo bypasses permissions checking within database Sysadmins impersonate dbo within database Invalid owner can cause error 916 when sysadmin tries to access database: The server principal
Database Design 2008 - Session 1
... list of users currently accessing the database. ii. Recent versions of Access (2000, 2002, and 2003) all use a very similar file structure, and these files can all be opened directly in Access 2007. Access 2007 introduced a couple of new features, and drastically revamped the user interface. 1. Spec ...
... list of users currently accessing the database. ii. Recent versions of Access (2000, 2002, and 2003) all use a very similar file structure, and these files can all be opened directly in Access 2007. Access 2007 introduced a couple of new features, and drastically revamped the user interface. 1. Spec ...
wdsoft-win - Dieken GmbH
... We have made WDSOFT-WIN as ERP (enterprise resource planing) and PPS (product planing system) by own order to contruct a system for pcb producer, which is as system by the actual possibilities with the computer and their operating systems. We have many know-how in pcb industry and have it integrated ...
... We have made WDSOFT-WIN as ERP (enterprise resource planing) and PPS (product planing system) by own order to contruct a system for pcb producer, which is as system by the actual possibilities with the computer and their operating systems. We have many know-how in pcb industry and have it integrated ...
IEEE Paper Template in A4 (V1)
... Scale-in: The scale-in1 model enables cloud providers to allocate and bill customers on the basis of how many instances of a database are being run on a multi-core machine. Scale-in enables you to launch one instance of MySQL per CPU core. For example, a 32-core machine could support a cluster-in-a- ...
... Scale-in: The scale-in1 model enables cloud providers to allocate and bill customers on the basis of how many instances of a database are being run on a multi-core machine. Scale-in enables you to launch one instance of MySQL per CPU core. For example, a 32-core machine could support a cluster-in-a- ...
Slide 1
... 11 Database Security Measures Today’s computers are under assault from hackers and natural disasters Security measures include encryption, access controls, data security policies, and intrusion monitoring Encryption can make data in a database unintelligible to a hacker The process of decry ...
... 11 Database Security Measures Today’s computers are under assault from hackers and natural disasters Security measures include encryption, access controls, data security policies, and intrusion monitoring Encryption can make data in a database unintelligible to a hacker The process of decry ...
PDF 2:1
... • B+ trees are a data structure designed to minimize the amount of I/O operations for both searching and scanning. Listing 7.21 Adding a B+ tree index to our database. 1: CREATE INDEX movieyear ON movies USING BTREE (year); Definition 7.22 (B+ Tree). A B+ Tree of order b is a rooted search tree mapp ...
... • B+ trees are a data structure designed to minimize the amount of I/O operations for both searching and scanning. Listing 7.21 Adding a B+ tree index to our database. 1: CREATE INDEX movieyear ON movies USING BTREE (year); Definition 7.22 (B+ Tree). A B+ Tree of order b is a rooted search tree mapp ...
Exercises: Data Definition and Data Types
... Id – unique number for every person there will be no more than 231-1 people. (Auto incremented) Name – full name of the person will be no more than 200 Unicode characters. (Not null) Picture – image with size up to 2 MB. (Allow nulls) Height – In meters. Real number precise up to 2 digits after floa ...
... Id – unique number for every person there will be no more than 231-1 people. (Auto incremented) Name – full name of the person will be no more than 200 Unicode characters. (Not null) Picture – image with size up to 2 MB. (Allow nulls) Height – In meters. Real number precise up to 2 digits after floa ...
Database Mirroring
... Client library is aware of Principal and Mirror servers Upon initial connect to Principal, library caches Mirror name When client attempts to reconnect If Principal is available, connects If not, client library automatically redirects ...
... Client library is aware of Principal and Mirror servers Upon initial connect to Principal, library caches Mirror name When client attempts to reconnect If Principal is available, connects If not, client library automatically redirects ...
Database Processing:
... – It provides a clear separation between document structure, content, and materialization. – It is standardized but allows for extension by developers – XML tags accurately represent the semantics of their data. ...
... – It provides a clear separation between document structure, content, and materialization. – It is standardized but allows for extension by developers – XML tags accurately represent the semantics of their data. ...
What is Fathom Trend database ? (cont.)
... Puts Ad Hoc reporting in the hands of its end users • no need to involve IT to get a new report ...
... Puts Ad Hoc reporting in the hands of its end users • no need to involve IT to get a new report ...
Query encrypted databases practically
... The data in the database might be improperly accessed by the service provider accidentally or intentionally, or by attackers who compromise the database service platforms. Hence, though attractive, cloud database services may not be fully exploited if the problem of data privacy and security is not ...
... The data in the database might be improperly accessed by the service provider accidentally or intentionally, or by attackers who compromise the database service platforms. Hence, though attractive, cloud database services may not be fully exploited if the problem of data privacy and security is not ...
Understanding Software Application Interfaces via String
... maintaining these interfaces. To address this challenge, we propose a new approach that leverages the existing static string analysis tools [4,8] and further analyzes their generated results to provide valuable information that may be used not only to verify communication protocol compliance but als ...
... maintaining these interfaces. To address this challenge, we propose a new approach that leverages the existing static string analysis tools [4,8] and further analyzes their generated results to provide valuable information that may be used not only to verify communication protocol compliance but als ...
Administration of Users
... • Many databases (including Microsoft SQL Server 2000) depend on OS to authenticate users • Reasons: – Once an intruder is inside the OS, it is easier to access the database – Centralize administration of users ...
... • Many databases (including Microsoft SQL Server 2000) depend on OS to authenticate users • Reasons: – Once an intruder is inside the OS, it is easier to access the database – Centralize administration of users ...
Mandatory Access Control and Role
... maintain information to follow rules set by administrators. The restrictions placed on file manipulation (reading, writing, creating, etc.) are those that are generally accepted when implementing a MAC policy: 1. To read a file, the label of the process must dominate the label of the file. 2. To wri ...
... maintain information to follow rules set by administrators. The restrictions placed on file manipulation (reading, writing, creating, etc.) are those that are generally accepted when implementing a MAC policy: 1. To read a file, the label of the process must dominate the label of the file. 2. To wri ...
MMDB Final Report. - VTechWorks
... Throughout this report, our team illustrates the entire process for the creation of a website to interact with a multimedia database. Our team intended to create a centralized system where both undergraduate and graduate Computer Science students at Virginia Tech can upload their personal projects f ...
... Throughout this report, our team illustrates the entire process for the creation of a website to interact with a multimedia database. Our team intended to create a centralized system where both undergraduate and graduate Computer Science students at Virginia Tech can upload their personal projects f ...
Managing Databases with Binary Large Objects
... national character set defined for the Oracle8 database. There is one external LOB datatype: BFILE, a LOB whose value is composed of binary (“raw”) data, and is stored outside of the database tablespace in a server-side operating system file. The idea of improving database performance by storing da ...
... national character set defined for the Oracle8 database. There is one external LOB datatype: BFILE, a LOB whose value is composed of binary (“raw”) data, and is stored outside of the database tablespace in a server-side operating system file. The idea of improving database performance by storing da ...