Integrating reliable memory in databases
... narayanan93]. Running RVM on Rio with an I/O interface to reliable memory speeds it up by a factor of 13. Vista is a transaction system tailored to run on Rio. By using a persistent buffer cache, Vista achieves a factor-of-40 improvement over RVM, even though both run on Rio. Vista achieves this rem ...
... narayanan93]. Running RVM on Rio with an I/O interface to reliable memory speeds it up by a factor of 13. Vista is a transaction system tailored to run on Rio. By using a persistent buffer cache, Vista achieves a factor-of-40 improvement over RVM, even though both run on Rio. Vista achieves this rem ...
EX NO: 01
... formatting applied to the cell, or even if the cell is empty. 6. Date & Time Functions Excel's Date Functions can be used to add such things as the current date, the current time, or the day of the week to a spreadsheet. 7. Database Functions Along with spreadsheet functionality, Excel can also keep ...
... formatting applied to the cell, or even if the cell is empty. 6. Date & Time Functions Excel's Date Functions can be used to add such things as the current date, the current time, or the day of the week to a spreadsheet. 7. Database Functions Along with spreadsheet functionality, Excel can also keep ...
Greenplum Database Security Configuration Guide, A01
... In Greenplum Database, the pg_hba.conf file of the master instance controls client access and authentication to your Greenplum system. The segments also have pg_hba.conf files, but these are already correctly configured to only allow client connections from the master host. The segments never accept ...
... In Greenplum Database, the pg_hba.conf file of the master instance controls client access and authentication to your Greenplum system. The segments also have pg_hba.conf files, but these are already correctly configured to only allow client connections from the master host. The segments never accept ...
Pictorial Queries by Image Similarity
... to support retrieval by image similarity [1, 2]. These systems are mainly concerned with spatial-relational information and do not deal with spatial-locational information. The most common data structure that is used for this purpose is the 2-D string and its variants [1]. Another data structure cal ...
... to support retrieval by image similarity [1, 2]. These systems are mainly concerned with spatial-relational information and do not deal with spatial-locational information. The most common data structure that is used for this purpose is the 2-D string and its variants [1]. Another data structure cal ...
THE USE OF ON-LINE ANALYTICAL PROCESSING APPROACH IN
... structuring data into cube form technique allows data modeling and analysis in multidimensional view has drawn the attention of researchers from a variety of other fields and to adopt this method in producing a more conducive database system. The efficiency of online analysis as well as information ...
... structuring data into cube form technique allows data modeling and analysis in multidimensional view has drawn the attention of researchers from a variety of other fields and to adopt this method in producing a more conducive database system. The efficiency of online analysis as well as information ...
PrefIndex: An Efficient Supergraph Containment Search Technique
... contained by q. As fa is a subgraph of ga and gb , it will be searched for two more times in q for the verifications of ga and gb . Generally speaking, if a feature f is contained by n candidates, the subgraph isomorphism test on f against q will be repeated (n + 1) times (including one test in the fi ...
... contained by q. As fa is a subgraph of ga and gb , it will be searched for two more times in q for the verifications of ga and gb . Generally speaking, if a feature f is contained by n candidates, the subgraph isomorphism test on f against q will be repeated (n + 1) times (including one test in the fi ...
Document
... SQL Server DR Things To Know • You can automate the exporting of all SQL Server Agent Jobs, Operators, and Alerts you have defined. This can be done through the use of SMO. • Know how to restore the system databases. – See this BOL article for the necessary steps to restore the master database: htt ...
... SQL Server DR Things To Know • You can automate the exporting of all SQL Server Agent Jobs, Operators, and Alerts you have defined. This can be done through the use of SMO. • Know how to restore the system databases. – See this BOL article for the necessary steps to restore the master database: htt ...
1.1 What is a Database?
... Many databases store name and address data, and it’s especially important to enter this data in separate fields for each name or address component, rather than entering the complete name in a Name field and the complete address in an Address field. Countless databases have had to be redesigned later ...
... Many databases store name and address data, and it’s especially important to enter this data in separate fields for each name or address component, rather than entering the complete name in a Name field and the complete address in an Address field. Countless databases have had to be redesigned later ...
Memory System Characterization of Commercial Workloads
... the domain of mainframes. In fact, with the increasing demand for database applications and the emergence of the Web, commercial workloads have quickly surpassed scientific/engineering workloads to become the largest market segment for multiprocessor servers. The dramatic change in the target market ...
... the domain of mainframes. In fact, with the increasing demand for database applications and the emergence of the Web, commercial workloads have quickly surpassed scientific/engineering workloads to become the largest market segment for multiprocessor servers. The dramatic change in the target market ...
Clearspace Documentation : Installation Guide
... read metadata about its tables defined in the database. Since the application does not know what the default schema is, it may inadvertently retrieve information about its tables defined in other schemas. If you have set up application instances using other schemas in the same database, then this ca ...
... read metadata about its tables defined in the database. Since the application does not know what the default schema is, it may inadvertently retrieve information about its tables defined in other schemas. If you have set up application instances using other schemas in the same database, then this ca ...
Distributed Database System Homogeneous Distributed
... record in their logs, but no additional control records (such
as of ). In this case active sites must wait for
Ci to recover, to find decision.
...
...
lesson19
... • Starting with SQL Server 2005, you also have the ability to create DDL triggers. With DDL triggers you can now log every DROP TABLE and any other type of DDL event. • This means you have the ability to allow the execution of DDL only under special conditions or circumstances; – Furthermore, you ca ...
... • Starting with SQL Server 2005, you also have the ability to create DDL triggers. With DDL triggers you can now log every DROP TABLE and any other type of DDL event. • This means you have the ability to allow the execution of DDL only under special conditions or circumstances; – Furthermore, you ca ...
ps series groups deploying microsoft® sql server in an
... remains available. In a SAN configuration, the server, network, and storage arrays should all have a high level of fault tolerance to avoid costly downtime and allow scheduled maintenance to take place without service disruption. Special attention should be paid to fault isolation and overall operat ...
... remains available. In a SAN configuration, the server, network, and storage arrays should all have a high level of fault tolerance to avoid costly downtime and allow scheduled maintenance to take place without service disruption. Special attention should be paid to fault isolation and overall operat ...
Oracle Database 10g: Best for Windows
... The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decision. The d ...
... The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decision. The d ...
Lecture 16 PowerPoint
... SQL Server: Transactions When a transaction begins, here’s what happens: • A BeginTran log record is written to the log buffer. • A data page is retrieved from disk and put into a page of the data cache. • SQL Server then creates an INSERT log record, which is then added to the log buffer. • The ne ...
... SQL Server: Transactions When a transaction begins, here’s what happens: • A BeginTran log record is written to the log buffer. • A data page is retrieved from disk and put into a page of the data cache. • SQL Server then creates an INSERT log record, which is then added to the log buffer. • The ne ...
An Introduction to the Source Code of the Pyrrho DBMS
... computers, even mobile phones, but can also scale up to large enterprise uses. It assumes the .NET framework. For large databases it needs a lot of main memory (RAM). For best results the computer main memory should be about twice the size of the database. Pyrrho is designed for business uses. It is ...
... computers, even mobile phones, but can also scale up to large enterprise uses. It assumes the .NET framework. For large databases it needs a lot of main memory (RAM). For best results the computer main memory should be about twice the size of the database. Pyrrho is designed for business uses. It is ...
Semantics and Implementation of Continuous Sliding Window
... quickly, especially if continuous queries include subqueries that are possibly windowed. —Language Extensions. In DBMSs it is common to formulate queries via SQL rather than directly composing query plans at operator level. However, the novel constructs specific to stream processing necessitate exte ...
... quickly, especially if continuous queries include subqueries that are possibly windowed. —Language Extensions. In DBMSs it is common to formulate queries via SQL rather than directly composing query plans at operator level. However, the novel constructs specific to stream processing necessitate exte ...
ppt - Avi Silberschatz
... Every site is ready to commit if instructed to do so Phase 2 of 2PC is split into 2 phases, Phase 2 and Phase 3 of 3PC In phase 2 coordinator makes a decision as in 2PC (called the pre-commit decision) and records it in multiple (at least K) sites In phase 3, coordinator sends commit/abort mes ...
... Every site is ready to commit if instructed to do so Phase 2 of 2PC is split into 2 phases, Phase 2 and Phase 3 of 3PC In phase 2 coordinator makes a decision as in 2PC (called the pre-commit decision) and records it in multiple (at least K) sites In phase 3, coordinator sends commit/abort mes ...
www.cs.laurentian.ca
... Define high-level corporate data model Provides corporate-wide, consistent, integrated view of data among different subjects and users Independent data marts can be implemented in parallel with enterprise warehouse Distributed data marts can be constructed to integrate different data marts ...
... Define high-level corporate data model Provides corporate-wide, consistent, integrated view of data among different subjects and users Independent data marts can be implemented in parallel with enterprise warehouse Distributed data marts can be constructed to integrate different data marts ...
Relational model
The relational model for database management is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in 1969 by Edgar F. Codd. In the relational model of a database, all data is represented in terms of tuples, grouped into relations. A database organized in terms of the relational model is a relational database.The purpose of the relational model is to provide a declarative method for specifying data and queries: users directly state what information the database contains and what information they want from it, and let the database management system software take care of describing data structures for storing the data and retrieval procedures for answering queries.Most relational databases use the SQL data definition and query language; these systems implement what can be regarded as an engineering approximation to the relational model. A table in an SQL database schema corresponds to a predicate variable; the contents of a table to a relation; key constraints, other constraints, and SQL queries correspond to predicates. However, SQL databases deviate from the relational model in many details, and Codd fiercely argued against deviations that compromise the original principles.