Data Warehousing and NoSQL
... CAP – Another Perspective Partitions cause us to choose: – Consistency (i.e. we disallow writes during the partition) – Availability (i.e. we allow writes during a partition) ...
... CAP – Another Perspective Partitions cause us to choose: – Consistency (i.e. we disallow writes during the partition) – Availability (i.e. we allow writes during a partition) ...
CUSTOMER_CODE SMUDE DIVISION_CODE SMUDE
... procedure of querying elements. This is done by depending on coercion at various levels to hold back the powerful typing of OQL. Lorel is also used to extend OQL with path expressions. This is done in order that user can state the patterns that are corresponding to actual paths in referred data.(4 m ...
... procedure of querying elements. This is done by depending on coercion at various levels to hold back the powerful typing of OQL. Lorel is also used to extend OQL with path expressions. This is done in order that user can state the patterns that are corresponding to actual paths in referred data.(4 m ...
Visual Basic Database Access
... to create a DataReader object that contains the results of the query. – ExecuteNonQuery: Execute SQL’s INSERT, DELETE, UPDATE statements. ...
... to create a DataReader object that contains the results of the query. – ExecuteNonQuery: Execute SQL’s INSERT, DELETE, UPDATE statements. ...
Actuate Report Server
... Feedback is only available if people use the reports. People use the reports if they need them to run their business. ...
... Feedback is only available if people use the reports. People use the reports if they need them to run their business. ...
¬Please use Arial font family for copy
... The system should be designed to hold any number of funding programs. Currently there are about 20-30 programs that are heavily used and repeating and another 20-30 that are less frequently used, or perhaps only by a single capital project. The system should be able to capture the existing funding p ...
... The system should be designed to hold any number of funding programs. Currently there are about 20-30 programs that are heavily used and repeating and another 20-30 that are less frequently used, or perhaps only by a single capital project. The system should be able to capture the existing funding p ...
Biological Databases
... Data appears to be in one location but is most definitely not A definition: Two or more data files in different locations, periodically synchronized by the DBMS to keep data in all locations consistent (A,B,C) An intricate network for combining and sharing information Administrators praise fast netw ...
... Data appears to be in one location but is most definitely not A definition: Two or more data files in different locations, periodically synchronized by the DBMS to keep data in all locations consistent (A,B,C) An intricate network for combining and sharing information Administrators praise fast netw ...
Slide 1
... • We are interest in columns in which all of the entries are always different, because they can be used to look up data – such a column is called a candidate key – doesn't’t have to be just one column (it can be multiple columns together) ...
... • We are interest in columns in which all of the entries are always different, because they can be used to look up data – such a column is called a candidate key – doesn't’t have to be just one column (it can be multiple columns together) ...
Week 05 - cottageland.net
... Database Recovery Management • Database recovery – Restores database from a given state, usually inconsistent, to a previously consistent state – Based on the atomic transaction property • All portions of the transaction must be treated as a single logical unit of work, in which all operations must ...
... Database Recovery Management • Database recovery – Restores database from a given state, usually inconsistent, to a previously consistent state – Based on the atomic transaction property • All portions of the transaction must be treated as a single logical unit of work, in which all operations must ...
Module Descriptor 2014/15 School of Computer Science and Statistics.
... Model data within an organisation or enterprise, and analyse data relationships for exploitation within database management systems ...
... Model data within an organisation or enterprise, and analyse data relationships for exploitation within database management systems ...
RDBMS - Simmons College
... within the structure. Often created using visualization tools. Data independence Techniques that allow data to be changed without affecting the applications that process it. 5GL Fifth Generation Language - expression referring to computer languages that with each iteration are closer to human langua ...
... within the structure. Often created using visualization tools. Data independence Techniques that allow data to be changed without affecting the applications that process it. 5GL Fifth Generation Language - expression referring to computer languages that with each iteration are closer to human langua ...
A Technical Overview of SQL 2005 High Availability Features
... – VLDB with very large tables (ie 100’s GB) – Large systems with 8, 16, 32 or more “real” CPUs ...
... – VLDB with very large tables (ie 100’s GB) – Large systems with 8, 16, 32 or more “real” CPUs ...
week 3 normalisation
... De-normalised data is simply a list of the data elements in one clump First normal form requires data be identified by a primary key and a number of atomic values / attributes Second normal form and third normal forms deal with the relationship of non-key attributes to the primary key Third ...
... De-normalised data is simply a list of the data elements in one clump First normal form requires data be identified by a primary key and a number of atomic values / attributes Second normal form and third normal forms deal with the relationship of non-key attributes to the primary key Third ...
LECTURE NOTES #2
... structures or models. DBMS are designed to provide end users with quick, easy access to information stored in databases. Five fundamental database structures are: ...
... structures or models. DBMS are designed to provide end users with quick, easy access to information stored in databases. Five fundamental database structures are: ...
data definition language
... • Operations – operations on database items to retrieve, update, insert, or delete, are specified in the data manipulation language DML. • Storage – specified by storage definition language (SDL) ...
... • Operations – operations on database items to retrieve, update, insert, or delete, are specified in the data manipulation language DML. • Storage – specified by storage definition language (SDL) ...
CSCI 242 Advanced Database
... » Relation is a set of ordered pairs (modeling a set of tuples), so: » 1. exchanging order of values within a tuple changes the meaning of the tuple » 2. exchanging the order of tuples within a relation does not change the meaning of the tuple » 3. duplicate tuples are not allowed ...
... » Relation is a set of ordered pairs (modeling a set of tuples), so: » 1. exchanging order of values within a tuple changes the meaning of the tuple » 2. exchanging the order of tuples within a relation does not change the meaning of the tuple » 3. duplicate tuples are not allowed ...
document
... Lowest value in a column (first value alphabetically for text data types). Ignores null values. ...
... Lowest value in a column (first value alphabetically for text data types). Ignores null values. ...
Multimedia_Search_and_Retrieval
... Lower levels – extract primitive physical events in each individual media stream. Higher semantic level – merge different events into semantically meaningful logical events. ex: Headline stories and news summaries. ...
... Lower levels – extract primitive physical events in each individual media stream. Higher semantic level – merge different events into semantically meaningful logical events. ex: Headline stories and news summaries. ...
Partial Database Availability
... File, Filegroup, and Database Restore Upgrade Missing files are created quickly Immediate Autogrow and Manual Growth time Additional space is quickly added Recovery Time – Less time to create files Data Availability Undamaged data/partitions remains Upgrade available during recovery Immediat ...
... File, Filegroup, and Database Restore Upgrade Missing files are created quickly Immediate Autogrow and Manual Growth time Additional space is quickly added Recovery Time – Less time to create files Data Availability Undamaged data/partitions remains Upgrade available during recovery Immediat ...
Introduction to Database Systems
... (not totally) isolated from changes in the way data is structured and stored. Logical data independence: Protection from changes in logical structure of data (if the CS is changed, views can be redefined in terms of the new relations). Physical data independence: Protection from changes in physi ...
... (not totally) isolated from changes in the way data is structured and stored. Logical data independence: Protection from changes in logical structure of data (if the CS is changed, views can be redefined in terms of the new relations). Physical data independence: Protection from changes in physi ...
Transaction Management Overview
... actions (reads/writes of DB objects) of various transactions. The net effect is the same as serially executing the transactions one after the other. Each transaction must leave the database in a consistent state if the DB is consistent when the transaction begins. • DBMS will enforce some ICs, depen ...
... actions (reads/writes of DB objects) of various transactions. The net effect is the same as serially executing the transactions one after the other. Each transaction must leave the database in a consistent state if the DB is consistent when the transaction begins. • DBMS will enforce some ICs, depen ...
ch4
... • Use Microsoft graph to create a chart based on a table or query • Use the Switchboard Manager to create and/or modify a switchboard ...
... • Use Microsoft graph to create a chart based on a table or query • Use the Switchboard Manager to create and/or modify a switchboard ...