Database System Architectures
... Processors at one node communicate with another processor at another node using an interconnection network. A node functions as the server for the data on the disk or disks the node owns. ...
... Processors at one node communicate with another processor at another node using an interconnection network. A node functions as the server for the data on the disk or disks the node owns. ...
Database System Architectures
... program interface standard from Microsoft for connecting to a server, sending SQL requests, and receiving results. JDBC standard is similar to ODBC, for Java ...
... program interface standard from Microsoft for connecting to a server, sending SQL requests, and receiving results. JDBC standard is similar to ODBC, for Java ...
Lecture 1
... Finding “George” in huge flatfile is expensive Modifications intractable without better data ...
... Finding “George” in huge flatfile is expensive Modifications intractable without better data ...
Database System Architectures
... program interface standard from Microsoft for connecting to a server, sending SQL requests, and receiving results. JDBC standard is similar to ODBC, for Java ...
... program interface standard from Microsoft for connecting to a server, sending SQL requests, and receiving results. JDBC standard is similar to ODBC, for Java ...
"Data Warehousing", ()
... recorded and stored has been increasing at a tremendous rate. Common data formats for storage include commercial relational database engines, often interconnected via an intranet, and more recently World Wide Web sites connected via the Internet. The interconnectivity of these data sources offers th ...
... recorded and stored has been increasing at a tremendous rate. Common data formats for storage include commercial relational database engines, often interconnected via an intranet, and more recently World Wide Web sites connected via the Internet. The interconnectivity of these data sources offers th ...
How Independent Software Companies are Leveraging
... High-Availability for Application Tier Data • Most often used by server pairs for hot-standby • Majority of deployments use this option ...
... High-Availability for Application Tier Data • Most often used by server pairs for hot-standby • Majority of deployments use this option ...
- Courses - University of California, Berkeley
... RDBMSs through proprietary, nonportable languages, but for the first time we have a standard for writing procedural code that is transportable across databases. ...
... RDBMSs through proprietary, nonportable languages, but for the first time we have a standard for writing procedural code that is transportable across databases. ...
David Gibbs and Govardhan Tanniru Georgia State University Department of Computer Science
... BigTable is a distributed hash mechanism built on top of GFS. It is not a relational database. It doesn't support joins or SQL type queries. It provides lookup mechanism to access structured data by key. GFS stores opaque data and many applications needs has data with structure. Machines can be adde ...
... BigTable is a distributed hash mechanism built on top of GFS. It is not a relational database. It doesn't support joins or SQL type queries. It provides lookup mechanism to access structured data by key. GFS stores opaque data and many applications needs has data with structure. Machines can be adde ...
Freedom to Research
... the European Union that grants protection for database owners from unauthorized extraction and reuse of data. Not only do different legal standards apply in different countries, but within any legal standard, it can be very difficult to distinguish between what is and is not protected. For exam ...
... the European Union that grants protection for database owners from unauthorized extraction and reuse of data. Not only do different legal standards apply in different countries, but within any legal standard, it can be very difficult to distinguish between what is and is not protected. For exam ...
Administering Microsoft SQL Server 2012 Databases
... Your network contains two servers named Server1and Server2. Server1 and Server2 run SQL Server 2012 and have access to SAN named SAN1. SAN1 stores all SQL data and log files used by Server1 and Server2. Server1 contains a database named DB1. DB1 is a heavily used database. Users report that when ru ...
... Your network contains two servers named Server1and Server2. Server1 and Server2 run SQL Server 2012 and have access to SAN named SAN1. SAN1 stores all SQL data and log files used by Server1 and Server2. Server1 contains a database named DB1. DB1 is a heavily used database. Users report that when ru ...
TPC Benchmarks
... Payment: update customer balance to reflect a payment Delivery: deliver orders (done as a batch transaction) Order-status: retrieve status of customer’s most recent order ...
... Payment: update customer balance to reflect a payment Delivery: deliver orders (done as a batch transaction) Order-status: retrieve status of customer’s most recent order ...
Why do we even care?
... a very large, integrated collection of data. • Models a real-world enterprise – Entities (e.g., teams, games) – Relationships (e.g., The Patriots are playing in The Superbowl) ...
... a very large, integrated collection of data. • Models a real-world enterprise – Entities (e.g., teams, games) – Relationships (e.g., The Patriots are playing in The Superbowl) ...
The XPS Approach to Loading and Unloading Terabyte
... XPS (extended Parallel Server); Informix’s MPP solution, is designed to provide a solution to enterprise-wide database management, which not only includes the DBMS, but also scalable utilities. The focus of this talk will be our load/unload utility which is fast, flexible, scalable, and easy to use. ...
... XPS (extended Parallel Server); Informix’s MPP solution, is designed to provide a solution to enterprise-wide database management, which not only includes the DBMS, but also scalable utilities. The focus of this talk will be our load/unload utility which is fast, flexible, scalable, and easy to use. ...
Semistructured Data
... structure on the data, and there are some forms of data for which this is genuinely difficult. The most immediate example of data that cannot be constrained by a schema is the World-Wide-Web. As database researchers we would like to think of this as a database, but to what extent are database tools ...
... structure on the data, and there are some forms of data for which this is genuinely difficult. The most immediate example of data that cannot be constrained by a schema is the World-Wide-Web. As database researchers we would like to think of this as a database, but to what extent are database tools ...
Lecture - Department of Computing
... define the scope clearly • describe as clearly as possible what is to be part of the database • specify clearly what is not to be included in the database • (at this point it may be possible to decide, for certain aspects, whether they are to be part of the back-end or the front-end) ...
... define the scope clearly • describe as clearly as possible what is to be part of the database • specify clearly what is not to be included in the database • (at this point it may be possible to decide, for certain aspects, whether they are to be part of the back-end or the front-end) ...
Document
... – Maximal language for which reasoning (including query answering) is known to be worst case logspace (same as DB) – Captures (most of) expressive power of ER/UML schemas • Features include limited form of existential restrictions, subClass, equivalentClass, disjointness, range and domain, symmetric ...
... – Maximal language for which reasoning (including query answering) is known to be worst case logspace (same as DB) – Captures (most of) expressive power of ER/UML schemas • Features include limited form of existential restrictions, subClass, equivalentClass, disjointness, range and domain, symmetric ...
(referential integrity, SQL). - Purchase College Faculty Web Server
... • specific business: knowing and keeping up-to-date with knowledge of this business. ...
... • specific business: knowing and keeping up-to-date with knowledge of this business. ...
dbms interview questions and answers for all unit
... An exclusive lock prohibits other users from reading the locked resource; a shared lock allows other users to read the locked resource, but they cannot update it. 42. Explain the difference between optimistic locking and pessimistic locking. Optimistic locking assumes no transaction conflict will o ...
... An exclusive lock prohibits other users from reading the locked resource; a shared lock allows other users to read the locked resource, but they cannot update it. 42. Explain the difference between optimistic locking and pessimistic locking. Optimistic locking assumes no transaction conflict will o ...
Finding Similar Music Artists for Recommendation
... on their genre, social ratings and the artist’s era • We find the related contents using information retrieval from the Y! webscope dataset (for ratings) and Y! Music database. • It is much like Similar video recommendations. However, that works on finding similar videos based on visual and textual ...
... on their genre, social ratings and the artist’s era • We find the related contents using information retrieval from the Y! webscope dataset (for ratings) and Y! Music database. • It is much like Similar video recommendations. However, that works on finding similar videos based on visual and textual ...
File
... To edit a field value, you need to select either the entire field value or the part of it you want to edit and type the replacement data ...
... To edit a field value, you need to select either the entire field value or the part of it you want to edit and type the replacement data ...
Document
... Where things went wrong? • Users can submit arbitrary data to the server • This includes all non-obvious sources of data that can be used by the application (cookies, HTTP headers) • Data is mixed with all sorts of code (HTML, JavaScript, CSS, SQL) • Complex to filter, escape and output-encode data ...
... Where things went wrong? • Users can submit arbitrary data to the server • This includes all non-obvious sources of data that can be used by the application (cookies, HTTP headers) • Data is mixed with all sorts of code (HTML, JavaScript, CSS, SQL) • Complex to filter, escape and output-encode data ...
here - Chinaemeze Chukuezi, MCITP: DBA
... ability to cut over between sites for disaster recovery situations and to move database services to a different data center as needed. • Created and maintained Database Replication to offload reporting workload from primary database systems. • Installed and configured SQL Server 2012 High Availabili ...
... ability to cut over between sites for disaster recovery situations and to move database services to a different data center as needed. • Created and maintained Database Replication to offload reporting workload from primary database systems. • Installed and configured SQL Server 2012 High Availabili ...