![PPT - United Nations Statistics Division](http://s1.studyres.com/store/data/008112441_1-12f5abd9cd33e60e915531b5a2680475-300x300.png)
PPT - United Nations Statistics Division
... The type of analysis you plan to do depends on the type of attributes you are working with. ...
... The type of analysis you plan to do depends on the type of attributes you are working with. ...
Calvin: Fast Distributed Transactions for Partitioned Database Systems
... be going through the same sequence of database states in order for a replica to immediately replace a failed node in the middle of a transaction. Synchronously replicating every database state change would have far too high of an overhead to be feasible. Instead, deterministic database systems synch ...
... be going through the same sequence of database states in order for a replica to immediately replace a failed node in the middle of a transaction. Synchronously replicating every database state change would have far too high of an overhead to be feasible. Instead, deterministic database systems synch ...
Slide: Temporal Databases
... Definition (Temporal dependence). Let R be a timevarying relation, where K is its temporal invariant key, and let Xi, for i [1,n], be its TVAs and TS and TE be its timestamp attributes. In a relational schema R, for any two TVAs Xi and Xj (i != j), R is said to have a temporal ...
... Definition (Temporal dependence). Let R be a timevarying relation, where K is its temporal invariant key, and let Xi, for i [1,n], be its TVAs and TS and TE be its timestamp attributes. In a relational schema R, for any two TVAs Xi and Xj (i != j), R is said to have a temporal ...
Machine Learning Algorithms for In-Database Analytics
... Traditionally, large databases were mainly used for data warehousing i.e. accounting purposes in enterprises, supporting financial record-keeping and reporting at various levels of granularity. However, over the past decade, attitudes toward large databases have been changing quickly. Focus of large ...
... Traditionally, large databases were mainly used for data warehousing i.e. accounting purposes in enterprises, supporting financial record-keeping and reporting at various levels of granularity. However, over the past decade, attitudes toward large databases have been changing quickly. Focus of large ...
OLAP Query Evaluation in a Database Cluster: a Performance Study
... schemes [1]. The design scheme determines the query evaluation. The main design alternatives are full replication, facilitating high inter-query parallelism, and horizontal partitioning, improving intra-query parallelism. Recent investigations [2],[3] have examined these design alternatives for OLAP ...
... schemes [1]. The design scheme determines the query evaluation. The main design alternatives are full replication, facilitating high inter-query parallelism, and horizontal partitioning, improving intra-query parallelism. Recent investigations [2],[3] have examined these design alternatives for OLAP ...
Microsoft Access 2010
... • Tap or click the Data Type column for the field you wish to set as a lookup field, and then tap or click the Data Type arrow to display the menu of available data types • Tap or click the Lookup Wizard, and then click the ‘I will type in the values that I want’ option button • Tap or click the Nex ...
... • Tap or click the Data Type column for the field you wish to set as a lookup field, and then tap or click the Data Type arrow to display the menu of available data types • Tap or click the Lookup Wizard, and then click the ‘I will type in the values that I want’ option button • Tap or click the Nex ...
Concepts Guide HP Vertica Analytic Database Software Version: 7.1.x Document Release Date: 10/31/2014
... A row store must read 16 columns (A through H and J through Q) from physical storage for each record in the result set. A column store with a query-specific projection reads only three columns: A, C, and N. ...
... A row store must read 16 columns (A through H and J through Q) from physical storage for each record in the result set. A column store with a query-specific projection reads only three columns: A, C, and N. ...
White Paper
... Out of the box, AWR data is automatically collected every hour on the hour. The Oracle kernel allocates a small but distinct portion of the System Global Area (SGA) to buffers that are dedicated to holding session history and other AWR-related information. These in-memory buffers are updated by the ...
... Out of the box, AWR data is automatically collected every hour on the hour. The Oracle kernel allocates a small but distinct portion of the System Global Area (SGA) to buffers that are dedicated to holding session history and other AWR-related information. These in-memory buffers are updated by the ...
Logging_or_Nologging.ppt - OracleNZ by Francisco Munoz Alvarez
... easily reproduced. (Remember that the UPDATE and DELETE operations will always be logged.) • Regardless of LOGGING status, writing to the UNDO blocks will always cause generation of redo. • LOGGING should not be disabled on a primary database if it has one or more standby databases. For this reason, ...
... easily reproduced. (Remember that the UPDATE and DELETE operations will always be logged.) • Regardless of LOGGING status, writing to the UNDO blocks will always cause generation of redo. • LOGGING should not be disabled on a primary database if it has one or more standby databases. For this reason, ...
Data Integration Service Optimization and Stability
... The Data Integration Service connects to a PowerExchange data source through the PowerExchange Listener. A PowerExchange connection pool is a set of connections to a PowerExchange Listener. When the Data Integration Service runs a data integration task, it requests a connection instance from a conne ...
... The Data Integration Service connects to a PowerExchange data source through the PowerExchange Listener. A PowerExchange connection pool is a set of connections to a PowerExchange Listener. When the Data Integration Service runs a data integration task, it requests a connection instance from a conne ...
JDBC Driver
... • You could create this table via MySQL, but you can also create it via JDBC. • A few things to note about the table: – The column named SUP_ID contains an integer value indicating a Supplier ID. • Suppliers will be stored in a separate table. • In this case, SUP_ID is referred to as a foreign key. ...
... • You could create this table via MySQL, but you can also create it via JDBC. • A few things to note about the table: – The column named SUP_ID contains an integer value indicating a Supplier ID. • Suppliers will be stored in a separate table. • In this case, SUP_ID is referred to as a foreign key. ...
Dynamics NAV 2013
... • This login needs to have db_owner role or Super (Data) rights on the Dynamics NAV database. • A best practice is to set up a utility user that is part of the domain and serves to run the scheduled updates as well as make changes in the Jet Data Manager. • The “Log On As” properties for SSAS and SS ...
... • This login needs to have db_owner role or Super (Data) rights on the Dynamics NAV database. • A best practice is to set up a utility user that is part of the domain and serves to run the scheduled updates as well as make changes in the Jet Data Manager. • The “Log On As” properties for SSAS and SS ...
Chapter 7: Relational Database Design
... tuples that could be useful for a later operation. Generating the result of r1 r2 r3 sorted on the attributes common with r4 or r5 may be useful, but generating it sorted on the attributes common only r1 and r2 is not useful. Using merge-join to compute r1 r2 r3 may be costlier, but may provide ...
... tuples that could be useful for a later operation. Generating the result of r1 r2 r3 sorted on the attributes common with r4 or r5 may be useful, but generating it sorted on the attributes common only r1 and r2 is not useful. Using merge-join to compute r1 r2 r3 may be costlier, but may provide ...
IOSR Journal of Computer Engineering (IOSR-JCE) e-ISSN: 2278-0661,p-ISSN: 2278-8727, PP 06-09 www.iosrjournals.org
... In this system we can generates query forms like control panels, aggregation functions, table etc. These are all dynamically generated components. After that generation of component the system adds database and components with respect to components. The user fills the query according to their own re ...
... In this system we can generates query forms like control panels, aggregation functions, table etc. These are all dynamically generated components. After that generation of component the system adds database and components with respect to components. The user fills the query according to their own re ...
How Oracle Database Manages Data Concurrency and Consistency
... INSERT with a subquery, UPDATE, and DELETE all query data, either explicitly or implicitly, and all return consistent data. Each of these statements uses a query to determine which data it will affect (SELECT, INSERT, UPDATE, or DELETE, respectively). A SELECT statement is an explicit query and can ...
... INSERT with a subquery, UPDATE, and DELETE all query data, either explicitly or implicitly, and all return consistent data. Each of these statements uses a query to determine which data it will affect (SELECT, INSERT, UPDATE, or DELETE, respectively). A SELECT statement is an explicit query and can ...
An Introduction to Spatial Database Systems
... for dealing with raster images. It has therefore been suggested that two classes of systems, spatial database systems and image database systems, be clearly distinguished (Gfinther and Buchmann, 1990; Frank, 1991). Image database systems may include analysis techniques to extract objects in space fr ...
... for dealing with raster images. It has therefore been suggested that two classes of systems, spatial database systems and image database systems, be clearly distinguished (Gfinther and Buchmann, 1990; Frank, 1991). Image database systems may include analysis techniques to extract objects in space fr ...
HP Vertica Analytics Platform 7.0.x Concepts Guide
... query, a row store reads all of the columns in all of the tables named in the query, regardless of how wide the tables might be or how many columns are actually needed. Often, analytic queries access only two or three columns from tables containing up to several hundred columns, resulting in a lot o ...
... query, a row store reads all of the columns in all of the tables named in the query, regardless of how wide the tables might be or how many columns are actually needed. Often, analytic queries access only two or three columns from tables containing up to several hundred columns, resulting in a lot o ...
Ch.8 - Faculty Website Listing
... holds on R if and only if for any legal relations r(R), whenever any two tuples t1 and t2 of r agree on the attributes , they also agree on the attributes . That is, ...
... holds on R if and only if for any legal relations r(R), whenever any two tuples t1 and t2 of r agree on the attributes , they also agree on the attributes . That is, ...
Ensuring transaction integrity
... SELECT statements that can generate reports about system usage, user privileges etc, • Users are restricted from updating them, sine the DBMS maintains them and depends on them for its processing • In Oracle there are over 100 data dictionary views • Tables that anyone can access begin with USER or ...
... SELECT statements that can generate reports about system usage, user privileges etc, • Users are restricted from updating them, sine the DBMS maintains them and depends on them for its processing • In Oracle there are over 100 data dictionary views • Tables that anyone can access begin with USER or ...
Planned/Unplanned downtime & Runtime Load balancing
... planned and unplanned downtimes. It is mandatory to have this property turned on. For more details on how to form ONSConfiguration string, refer to the Oracle Notification Service (ONS) section of the white paper “Java Programming with Oracle Database 12c RAC and Active Data Guard 3” Select the data ...
... planned and unplanned downtimes. It is mandatory to have this property turned on. For more details on how to form ONSConfiguration string, refer to the Oracle Notification Service (ONS) section of the white paper “Java Programming with Oracle Database 12c RAC and Active Data Guard 3” Select the data ...
What is Marklogic?
... 5. ACID Transactions – ACID stands for atomicity, consistency, isolation and durability. Marklogic gets ACID transactions using MVCC (multi-version concurrency control). In an MVCC systems, changes are tracked with a timestamp number on each document. The database uses these timestamps to ensure tha ...
... 5. ACID Transactions – ACID stands for atomicity, consistency, isolation and durability. Marklogic gets ACID transactions using MVCC (multi-version concurrency control). In an MVCC systems, changes are tracked with a timestamp number on each document. The database uses these timestamps to ensure tha ...
Database Toolbox User`s Guide
... database, for example, table names and column names. Other new functions are for drivers and resultsets. • To use the new version of the database toolbox, you need to run the command feature('dispatchjava',1). (Note that this is not required for the Database Toolbox on MATLAB Release 12.) ...
... database, for example, table names and column names. Other new functions are for drivers and resultsets. • To use the new version of the database toolbox, you need to run the command feature('dispatchjava',1). (Note that this is not required for the Database Toolbox on MATLAB Release 12.) ...
Chapter>>
... Ans: Local failures under the deferred update approach are handled without any restart work because no database changes occur until after a transaction commits; the transaction is aborted without any undo work. System failures require redo operations only. T4 and T5 transactions (not yet committed) ...
... Ans: Local failures under the deferred update approach are handled without any restart work because no database changes occur until after a transaction commits; the transaction is aborted without any undo work. System failures require redo operations only. T4 and T5 transactions (not yet committed) ...
P6 EPPM Database Administration Guide
... Description: The administrative user owns most database objects within the schema including tables, indexes and constraints, procedures, triggers, and functions, and is primarily used during database creation and upgrades. Privileged User Default: PRIVUSER Description: The following is true for the ...
... Description: The administrative user owns most database objects within the schema including tables, indexes and constraints, procedures, triggers, and functions, and is primarily used during database creation and upgrades. Privileged User Default: PRIVUSER Description: The following is true for the ...