XML Storage - Technion – Israel Institute of Technology
... Advantages/Disadvantages • Advantages: – Reduces number of joins for queries like “get the first and last names of an author” – Efficient for queries such as “list all authors with ...
... Advantages/Disadvantages • Advantages: – Reduces number of joins for queries like “get the first and last names of an author” – Efficient for queries such as “list all authors with ...
NoCOUG Gets Two Awards!
... Oracle uses two types of temporary segments: sort segments, and other temporary segments such as those associated with global temporary tables. A temporary tablespace is the space in which sort segments and other temporary segments are created and managed. A temporary tablespace is a tablespace, whi ...
... Oracle uses two types of temporary segments: sort segments, and other temporary segments such as those associated with global temporary tables. A temporary tablespace is the space in which sort segments and other temporary segments are created and managed. A temporary tablespace is a tablespace, whi ...
Slides
... © 2009 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Micros ...
... © 2009 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Micros ...
PPT - Electrical and Computer Engineering Department
... We define additional operations that do not add any power to the relational algebra, but that simplify common queries. ...
... We define additional operations that do not add any power to the relational algebra, but that simplify common queries. ...
Interaction Data Server
... Toll fraud is the unauthorized use of your telecommunications system by an unauthorized party, for example, persons other than your company's employees, agents, subcontractors, or persons working on your company's behalf. Note that there may be a risk of toll fraud associated with your telecommunica ...
... Toll fraud is the unauthorized use of your telecommunications system by an unauthorized party, for example, persons other than your company's employees, agents, subcontractors, or persons working on your company's behalf. Note that there may be a risk of toll fraud associated with your telecommunica ...
Areas The reader should by now have a good feel for why OSPF
... The reader should by now have a good feel for why OSPF, with its multiple databases and complex algorithms, can put greater demands on the memory and processors of a router than the previously examined protocols can. As an internet work grows, these demands can become significant or even crippling. ...
... The reader should by now have a good feel for why OSPF, with its multiple databases and complex algorithms, can put greater demands on the memory and processors of a router than the previously examined protocols can. As an internet work grows, these demands can become significant or even crippling. ...
DBA120_02_audio
... • Distinguish between an RDBMS and an ORDBMS • Identify keywords, mandatory clauses, and optional clauses in a SELECT statement • Select and view selected columns of a table • Use a column alias to clarify the contents of a particular column • Perform basic arithmetic operations in the SELECT clause ...
... • Distinguish between an RDBMS and an ORDBMS • Identify keywords, mandatory clauses, and optional clauses in a SELECT statement • Select and view selected columns of a table • Use a column alias to clarify the contents of a particular column • Perform basic arithmetic operations in the SELECT clause ...
Automatic partitioning of database applications
... For applications that exhibit different operating modes, such as the browsing versus shopping mix in TPC-W, each mode could be profiled separately to generate partitions suitable for it. The Pyxis runtime includes a mechanism to dynamically switch between different partitionings based on current CPU ...
... For applications that exhibit different operating modes, such as the browsing versus shopping mix in TPC-W, each mode could be profiled separately to generate partitions suitable for it. The Pyxis runtime includes a mechanism to dynamically switch between different partitionings based on current CPU ...
mod-19
... Prices of microprocessors, memory and disks have dropped sharply Recent desktop computers feature multiple processors and this trend is projected to accelerate Databases are growing increasingly large ...
... Prices of microprocessors, memory and disks have dropped sharply Recent desktop computers feature multiple processors and this trend is projected to accelerate Databases are growing increasingly large ...
Microsoft SQL Server - Microsoft Center
... This white paper discusses the new features, and those that are coming soon, that continue to make SQL Server the most cost-effective, flexible and powerful solution for managing data today. ...
... This white paper discusses the new features, and those that are coming soon, that continue to make SQL Server the most cost-effective, flexible and powerful solution for managing data today. ...
Database-to-Ontology Mapping Generation for Semantic
... formally defines different concepts of a domain and relationships between these concepts. Wache et al. in [17] give an excellent survey on ontology-based information integration systems. According to the way of exploiting ontologies in information integration, they distinguish three main ontology ba ...
... formally defines different concepts of a domain and relationships between these concepts. Wache et al. in [17] give an excellent survey on ontology-based information integration systems. According to the way of exploiting ontologies in information integration, they distinguish three main ontology ba ...
Chapter 4: SQL
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
GIS Work Book - FTP Directory Listing
... Asian Institute of Technology, Thailand Geographic Information System (GIS) has undergone a sort of boom all around the world in this decade as personal computers and engineering workstations have become available at reasonable prices. There were and are so many applications of GIS on various levels ...
... Asian Institute of Technology, Thailand Geographic Information System (GIS) has undergone a sort of boom all around the world in this decade as personal computers and engineering workstations have become available at reasonable prices. There were and are so many applications of GIS on various levels ...
Database Deployment scenarios and performance on SSD arrays
... data, the execution times for curation activities can stretch into weeks at a time. To address this issue, there are two main approaches: ...
... data, the execution times for curation activities can stretch into weeks at a time. To address this issue, there are two main approaches: ...
Chapter 4: SQL - Avi Silberschatz
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
IBM Tivoli Composite Application Manager for Microsoft® SQL
... displayed on portal. So using the above variable we can limit the time to which agent will wait for response from SQL server to the fired query, if response is not received in the specified time then that query will be killed by SQL server & agent will go ahead & display the other data. Note:- For h ...
... displayed on portal. So using the above variable we can limit the time to which agent will wait for response from SQL server to the fired query, if response is not received in the specified time then that query will be killed by SQL server & agent will go ahead & display the other data. Note:- For h ...
Immutability Changes Everything
... with an identity and an optional version. Their schema is the schema that describes the shape and form of the DataSet at the time of its creation. It has descriptive schema rather than the prescriptive schema held in the RDBMS. This tailoring of the schema to meld the two together connects the schem ...
... with an identity and an optional version. Their schema is the schema that describes the shape and form of the DataSet at the time of its creation. It has descriptive schema rather than the prescriptive schema held in the RDBMS. This tailoring of the schema to meld the two together connects the schem ...
Automated Ranking of Database Query Results
... query with a ranking function that depends on given conditions in the user query. The key questions are: • How to derive such ranking functions automatically? How well do ranking functions from IR apply? • Are the ranking techniques for handling empty answers and many answers problems different? • H ...
... query with a ranking function that depends on given conditions in the user query. The key questions are: • How to derive such ranking functions automatically? How well do ranking functions from IR apply? • Are the ranking techniques for handling empty answers and many answers problems different? • H ...
Document
... changes of the database to all the software artifacts around the database based on a model-policy-event scheme • Extension to the SQL language specifically tailored for the management of evolution. • Limited overhead imposed on both the system and the humans, who design and maintain it. • Tested in ...
... changes of the database to all the software artifacts around the database based on a model-policy-event scheme • Extension to the SQL language specifically tailored for the management of evolution. • Limited overhead imposed on both the system and the humans, who design and maintain it. • Tested in ...
foreign key
... meaning to users and are usually hidden on forms, queries and reports • A surrogate key is often used in place of a composite primary key KROENKE and AUER - DATABASE CONCEPTS (4th Edition) © 2010, 2008 Pearson Prentice Hall ...
... meaning to users and are usually hidden on forms, queries and reports • A surrogate key is often used in place of a composite primary key KROENKE and AUER - DATABASE CONCEPTS (4th Edition) © 2010, 2008 Pearson Prentice Hall ...
Oracle to MySQL Migration
... Very early in the process (when automation tools are used), feedback and visibility become available regarding the migration. This is in direct contrast to a manual migration where many man hours may often be spent on tasks before realizing the migration process has encountered a pitfall and must ba ...
... Very early in the process (when automation tools are used), feedback and visibility become available regarding the migration. This is in direct contrast to a manual migration where many man hours may often be spent on tasks before realizing the migration process has encountered a pitfall and must ba ...