6 ER2RDM_Mapping
... • If you create the ManagedBy table from the very beginning it will be there when you need it. • A little more work up front saves a lot of work later on. • You can show off later on by saying “It will only take a second”, come back in 15 minutes and say “the database can now handle multiple project ...
... • If you create the ManagedBy table from the very beginning it will be there when you need it. • A little more work up front saves a lot of work later on. • You can show off later on by saying “It will only take a second”, come back in 15 minutes and say “the database can now handle multiple project ...
An Efficient Method for Mining Association Rules with Item Constraints
... 1. Introductions Data mining is the process of extracting previously unknown and useful information from a large database. It has been extensively applied to a wide variety of applications like sales analysis, healthcare, manufacturing, etc. A number of studies have been made on efficient data mini ...
... 1. Introductions Data mining is the process of extracting previously unknown and useful information from a large database. It has been extensively applied to a wide variety of applications like sales analysis, healthcare, manufacturing, etc. A number of studies have been made on efficient data mini ...
Honored Guests Database
... Olympics, Inc., for the 2001 GOC. Following are comments regarding the working aspect of the system and data base program as it related to the Games. An Access master, contracted by SOI to create a database system, designed the Access database used by the 2001 GOC. The database was not designed spec ...
... Olympics, Inc., for the 2001 GOC. Following are comments regarding the working aspect of the system and data base program as it related to the Games. An Access master, contracted by SOI to create a database system, designed the Access database used by the 2001 GOC. The database was not designed spec ...
Practical Database Design and Tuning
... attributes from two or more tables are frequently needed together. →For the given set of tables, there may be alternative design choices, all of which achieve 3NF or BCNF. One may be replaced by the other. →A relation of the form R(K, A, B, C, D, …) that is in BCNF can be stored into multiple tables ...
... attributes from two or more tables are frequently needed together. →For the given set of tables, there may be alternative design choices, all of which achieve 3NF or BCNF. One may be replaced by the other. →A relation of the form R(K, A, B, C, D, …) that is in BCNF can be stored into multiple tables ...
Estimating the Robustness of Discovered Knowledge*
... discussion of rules. In addition, we refer to literals on database relations as database literuls (e.g., seaport(-,?glc-cd,?storage,-,-,-)), and literals on built-in relations as built-in literuls (e.g., ?latitude 2 35.89). In Table 1, rule Rl states that the latitude of a Maltese geographic locatio ...
... discussion of rules. In addition, we refer to literals on database relations as database literuls (e.g., seaport(-,?glc-cd,?storage,-,-,-)), and literals on built-in relations as built-in literuls (e.g., ?latitude 2 35.89). In Table 1, rule Rl states that the latitude of a Maltese geographic locatio ...
dbms interview questions and answers for all unit
... 35. What are the advantages of using stored procedures? The advantages of stored procedures are (1) greater security, (2) decreased network traffic, (3) the fact that SQL can be optimized and (4) code sharing which leads to less work, standardized processing, and specialization among developers. 36 ...
... 35. What are the advantages of using stored procedures? The advantages of stored procedures are (1) greater security, (2) decreased network traffic, (3) the fact that SQL can be optimized and (4) code sharing which leads to less work, standardized processing, and specialization among developers. 36 ...
The Revised NTP TDMS System
... used as the database. The TDMS system did not go through any major changes after 1985 until 1998 when it was moved to Open VMS on a VAX Alpha server machine from a larger VAX system. Also in 1998 a web-based interface was added to allow users to request reports from any web browser. In 2002 the NTP ...
... used as the database. The TDMS system did not go through any major changes after 1985 until 1998 when it was moved to Open VMS on a VAX Alpha server machine from a larger VAX system. Also in 1998 a web-based interface was added to allow users to request reports from any web browser. In 2002 the NTP ...
Association Rules Mining for Incremental Database
... the database and maintain the association rules efficiently. A modified method named “Look Ahead for Promising items” (LAPI) is introduced for incremental mining. The proposed method uses information available from the TID Lists intersection to avoid the rescanning of the original database, it requi ...
... the database and maintain the association rules efficiently. A modified method named “Look Ahead for Promising items” (LAPI) is introduced for incremental mining. The proposed method uses information available from the TID Lists intersection to avoid the rescanning of the original database, it requi ...
BASE: An Acid Alternative - ACM Queue
... database operations successfully commit. The algorithm now supports partial failures and still provides transactional guarantees without resorting to 2PC. There is a simpler technique for assuring idempotent updates if the only concern is ordering. Let’s change our sample schema just a bit to illust ...
... database operations successfully commit. The algorithm now supports partial failures and still provides transactional guarantees without resorting to 2PC. There is a simpler technique for assuring idempotent updates if the only concern is ordering. Let’s change our sample schema just a bit to illust ...
ADVANCED SQL AND PL/SQL TOPICS
... Transactional, or Immediate shutdown option, the shutdown process performs the following tasks: – Writes the contents of the data buffer cache to the datafiles – Writes the contents of the redo log buffer to the redo log files – Closes all files – Stop all background processes – Deallocates the SGA ...
... Transactional, or Immediate shutdown option, the shutdown process performs the following tasks: – Writes the contents of the data buffer cache to the datafiles – Writes the contents of the redo log buffer to the redo log files – Closes all files – Stop all background processes – Deallocates the SGA ...
Chapter 12
... WHERE CUS_BALANCE > 1000; All 10,000 CUSTOMER rows must travel through the network to be evaluated at site A, even if 50 of them have balances greater than $1,000 Client/server architecture is similar to that of the network file server except that all database processing is done at the server site, ...
... WHERE CUS_BALANCE > 1000; All 10,000 CUSTOMER rows must travel through the network to be evaluated at site A, even if 50 of them have balances greater than $1,000 Client/server architecture is similar to that of the network file server except that all database processing is done at the server site, ...
Theme: Production Management - Overview
... one of the activities of its Resource Center and Information Programme (RCIP) is to maintain an inventory of contact individuals and institutions working on a broad range of women's concerns. Mayang, one of the RCIP staffs, is given the responsibility to keep and maintain the said list. This also me ...
... one of the activities of its Resource Center and Information Programme (RCIP) is to maintain an inventory of contact individuals and institutions working on a broad range of women's concerns. Mayang, one of the RCIP staffs, is given the responsibility to keep and maintain the said list. This also me ...
- Courses - University of California, Berkeley
... • Enterprise databases – Can be very complex to set up and administer • Oracle, for example recommends RAID-1 with 7x2 disk configuration as a bare minimum, more recommended ...
... • Enterprise databases – Can be very complex to set up and administer • Oracle, for example recommends RAID-1 with 7x2 disk configuration as a bare minimum, more recommended ...
OLAP Query Processing in Grids
... The middleware coordinates parallel query execution Applications and databases are easily migrated from sequential ...
... The middleware coordinates parallel query execution Applications and databases are easily migrated from sequential ...
Slide 1
... The middleware coordinates parallel query execution Applications and databases are easily migrated from sequential ...
... The middleware coordinates parallel query execution Applications and databases are easily migrated from sequential ...
COMET: A Component-Based Real-Time Database for
... Most functionality in a modern car is in one way or another controlled by a computer. For example, the speedometer on the dash board may, instead of being connected to the engine by a rotating wire, be connected to an onboard computer feeding it with the current speed of the vehicle. The advantages ...
... Most functionality in a modern car is in one way or another controlled by a computer. For example, the speedometer on the dash board may, instead of being connected to the engine by a rotating wire, be connected to an onboard computer feeding it with the current speed of the vehicle. The advantages ...
Introduction to Oracle
... UNLIMITED TABLESPACE – unlimited storage quota SYSDBA – unrestricted DB access ...
... UNLIMITED TABLESPACE – unlimited storage quota SYSDBA – unrestricted DB access ...
BASIC SPATIAL ANALYSIS TOOLS IN A GIS - Dycker@control
... convoluted lines or areas; or for large datasets may have to increase the virtual memory of your ...
... convoluted lines or areas; or for large datasets may have to increase the virtual memory of your ...
Remote-Backup
... Reduces availability since transactions cannot commit if either site fails. Two-safe: proceed as in two-very-safe if both primary and backup are active. If only the primary is active, the transaction commits as soon as is commit log record is written at the primary. ...
... Reduces availability since transactions cannot commit if either site fails. Two-safe: proceed as in two-very-safe if both primary and backup are active. If only the primary is active, the transaction commits as soon as is commit log record is written at the primary. ...
Remote Backup Systems
... Reduces availability since transactions cannot commit if either site fails. Two-safe: proceed as in two-very-safe if both primary and backup are active. If only the primary is active, the transaction commits as soon as is commit log record is written at the primary. ...
... Reduces availability since transactions cannot commit if either site fails. Two-safe: proceed as in two-very-safe if both primary and backup are active. If only the primary is active, the transaction commits as soon as is commit log record is written at the primary. ...
Why Open Source for Database Systems?
... going on all the time to identify and resolve issues. Compare this with a company offering a major proprietary database project; there may be thousands of people in QA at that company working on the same thing. But MySQL has 70,000 people downloading the product every day, using it, and reporting on ...
... going on all the time to identify and resolve issues. Compare this with a company offering a major proprietary database project; there may be thousands of people in QA at that company working on the same thing. But MySQL has 70,000 people downloading the product every day, using it, and reporting on ...
SQL Server AlwaysOn
... – Query workloads typically require index/column statistics so the query optimizer can formulate an efficient query plan – Read-only workloads on a secondary replica may require different statistics than the workload on the primary replica – Users cannot create different statistics themselves (secon ...
... – Query workloads typically require index/column statistics so the query optimizer can formulate an efficient query plan – Read-only workloads on a secondary replica may require different statistics than the workload on the primary replica – Users cannot create different statistics themselves (secon ...
PPT
... Also supports metadata retrieval, such as querying about relations present in the database and the names and types of relation attributes ...
... Also supports metadata retrieval, such as querying about relations present in the database and the names and types of relation attributes ...