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TrendsDBWinFs
... Use XML syntax, but not semantics No Relationships in XSD Data Model Too many concepts not useful for us and hard to map to CLR and SQL Different set of scalar types Complex mechanisms for type extension Not compatible with CLR ...
... Use XML syntax, but not semantics No Relationships in XSD Data Model Too many concepts not useful for us and hard to map to CLR and SQL Different set of scalar types Complex mechanisms for type extension Not compatible with CLR ...
Lock-Based Protocols
... Impose partial ordering of all data items and require that a transaction can lock data items only in the order specified by the partial order (graph-based protocol). ...
... Impose partial ordering of all data items and require that a transaction can lock data items only in the order specified by the partial order (graph-based protocol). ...
Module 1: Introduction
... element, regardless of the element in which it is contained. A step in the path can go to parents, siblings, ancestors and descendants of the nodes generated by the previous step, not just to the children “//”, described above, is a short from for specifying “all ...
... element, regardless of the element in which it is contained. A step in the path can go to parents, siblings, ancestors and descendants of the nodes generated by the previous step, not just to the children “//”, described above, is a short from for specifying “all ...
Query Languages for XML
... in predicates IDREFs can be referenced using function id() id() can also be applied to sets of references such as IDREFS and even to strings containing multiple references separated by blanks E.g. /bank-2/account/id(@owner) returns all customers referred to from the owners attribute ...
... in predicates IDREFs can be referenced using function id() id() can also be applied to sets of references such as IDREFS and even to strings containing multiple references separated by blanks E.g. /bank-2/account/id(@owner) returns all customers referred to from the owners attribute ...
Database Connectivity to MySQL
... The Prerequisite for connecting a Java application to MySQL is JDBC driver (also called MySQL Connector/J). The MySQL Connector/J is freely available and can be downloaded from the URL(dev.mysql.com/downloads/). After download it can be installed with NetBeans with help of following steps Start Net ...
... The Prerequisite for connecting a Java application to MySQL is JDBC driver (also called MySQL Connector/J). The MySQL Connector/J is freely available and can be downloaded from the URL(dev.mysql.com/downloads/). After download it can be installed with NetBeans with help of following steps Start Net ...
BCS THE CHARTERED INSTITUTE FOR IT DATABASE SYSTEMS BCS HIGHER EDUCATION QUALIFICATIONS
... If you add a new item to the table and make a mistake in the description, then you may end up with (e.g.) two different descriptions for the same item. (2 marks) Modification Anomaly If the description of an item changes, and if you neglect to change all the descriptions, then the table will contain ...
... If you add a new item to the table and make a mistake in the description, then you may end up with (e.g.) two different descriptions for the same item. (2 marks) Modification Anomaly If the description of an item changes, and if you neglect to change all the descriptions, then the table will contain ...
Document
... The Prerequisite for connecting a Java application to MySQL is JDBC driver (also called MySQL Connector/J). The MySQL Connector/J is freely available and can be downloaded from the URL(dev.mysql.com/downloads/). After download it can be installed with NetBeans with help of following steps Start Net ...
... The Prerequisite for connecting a Java application to MySQL is JDBC driver (also called MySQL Connector/J). The MySQL Connector/J is freely available and can be downloaded from the URL(dev.mysql.com/downloads/). After download it can be installed with NetBeans with help of following steps Start Net ...
Chapter 19
... In a single-user environment no concurrency control is required but a log is maintained under WAL. Note that at any time there will be one transaction in the system and it will be either in the commit table or in the active table. The recovery manager performs: ...
... In a single-user environment no concurrency control is required but a log is maintained under WAL. Note that at any time there will be one transaction in the system and it will be either in the commit table or in the active table. The recovery manager performs: ...
Introduction to database design
... Algorithm for evaluating a SELECT-FROM-WHERE: 1. FROM: Cartesian product of tables is computed. Subqueries are computed recursively. 2. WHERE: Rows not fulfilling condition are deleted. Note that aggregation is evaluated after WHERE, i.e. aggregate values can’t be in the condition. 3. GROUP BY: T ...
... Algorithm for evaluating a SELECT-FROM-WHERE: 1. FROM: Cartesian product of tables is computed. Subqueries are computed recursively. 2. WHERE: Rows not fulfilling condition are deleted. Note that aggregation is evaluated after WHERE, i.e. aggregate values can’t be in the condition. 3. GROUP BY: T ...
Oracle Database 11g Best Practices for using Partitioning in HA
... Some Oracle11g R2 New Features • Improved partitioning: virtual columns can be used as the primary key or the foreign key of a reference partition table • Segment creation on demand: initial segment creation for non-partitioned tables and indexes can be delayed until data is first inserted into an ...
... Some Oracle11g R2 New Features • Improved partitioning: virtual columns can be used as the primary key or the foreign key of a reference partition table • Segment creation on demand: initial segment creation for non-partitioned tables and indexes can be delayed until data is first inserted into an ...
Entity-relationship model - Department of Computer Science
... • Occasionally, entities of an entity set need “help” to identify them uniquely • Entity set E is said to be weak if in order to identify entities of E uniquely, we need to follow one or more many‐one relationships from E and include the key of the related entities from the connected entity sets ...
... • Occasionally, entities of an entity set need “help” to identify them uniquely • Entity set E is said to be weak if in order to identify entities of E uniquely, we need to follow one or more many‐one relationships from E and include the key of the related entities from the connected entity sets ...
Best Practices for HP Enterprise Data Warehouse Warehouse R2
... In a hub and spoke architecture, the Enterprise Data Warehouse may act as a hub for a company‟s various OLTP systems using Extract Transformation and Load (ETL) tools such as SQL Server Integration Services (SSIS). Once the data is loaded into the Enterprise Data Warehouse, it may act as an enterpri ...
... In a hub and spoke architecture, the Enterprise Data Warehouse may act as a hub for a company‟s various OLTP systems using Extract Transformation and Load (ETL) tools such as SQL Server Integration Services (SSIS). Once the data is loaded into the Enterprise Data Warehouse, it may act as an enterpri ...
Y700300 - Florida Department Of Education
... Design a unit test plan for an object-oriented computer program, test and debug the program, and report the results Develop an awareness of the changes taking place in the information age and how they fit into an evolving society. Develop the "big picture" of database design and how to best organize ...
... Design a unit test plan for an object-oriented computer program, test and debug the program, and report the results Develop an awareness of the changes taking place in the information age and how they fit into an evolving society. Develop the "big picture" of database design and how to best organize ...
Secondary Index
... Because a single-level index is an ordered file, we can create a primary index to the index itself ; in this case, the original index file is called the first-level index and the index to the index is called the second-level index. We can repeat the process, creating a third, fourth, ..., top level ...
... Because a single-level index is an ordered file, we can create a primary index to the index itself ; in this case, the original index file is called the first-level index and the index to the index is called the second-level index. We can repeat the process, creating a third, fourth, ..., top level ...
Development of the ECODAB into a relational
... et al. 1990) were implemented with the objective of finding similarities at an amino acid sequence level between GTs with known and unknown functions. In this way, a suggestion on the probable function of GTs was possible, based on amino acid sequence data. Therefore, ECODAB has evolved from simply s ...
... et al. 1990) were implemented with the objective of finding similarities at an amino acid sequence level between GTs with known and unknown functions. In this way, a suggestion on the probable function of GTs was possible, based on amino acid sequence data. Therefore, ECODAB has evolved from simply s ...
issn: 2278-6244 extract transform load data with etl tools like
... LAN, WAN, through Firewalls, tranfer files over FTP, etc. Meta Data Exchange: Metadata Exchange enables organizations to take advantage of the time and effort already invested in defining data structures within their IT environment when used with Power Center. For example, an organization may be usi ...
... LAN, WAN, through Firewalls, tranfer files over FTP, etc. Meta Data Exchange: Metadata Exchange enables organizations to take advantage of the time and effort already invested in defining data structures within their IT environment when used with Power Center. For example, an organization may be usi ...
1. The Client Server Model (Chapters 1 and 2, Berson)
... “server” usually holds shared applications (application/business logic) – sometimes called the middle-tier server ...
... “server” usually holds shared applications (application/business logic) – sometimes called the middle-tier server ...
Fixed Server Roles
... The securityadmin role controls security for the SQL Server... to a point. This role allows a login to manage logins to SQL Server as far as granting/revoking, enabling/disabling, and determining what databases logins have access to. But once you cross that database boundary, a login without addit ...
... The securityadmin role controls security for the SQL Server... to a point. This role allows a login to manage logins to SQL Server as far as granting/revoking, enabling/disabling, and determining what databases logins have access to. But once you cross that database boundary, a login without addit ...
DBA_Tasks_SOX_Audit_10072007
... ####--> db users created for Oracle Applications in addition to Apps modules whose database ####accounts are stored in the database table FND_ORACLE_USERID ####--> from Appendix C - Database Schemas Shipped with E-Business Suite, from Best ####Practices for Securing Oracle E-Business Suite, Version ...
... ####--> db users created for Oracle Applications in addition to Apps modules whose database ####accounts are stored in the database table FND_ORACLE_USERID ####--> from Appendix C - Database Schemas Shipped with E-Business Suite, from Best ####Practices for Securing Oracle E-Business Suite, Version ...
Chapter 10
... (throwing out) some other block, if required, to make space for the new block. The block that is thrown out is written back to disk only if it was modified since the most recent time that it was written to/fetched from the disk. Once space is allocated in the buffer, the buffer manager reads the ...
... (throwing out) some other block, if required, to make space for the new block. The block that is thrown out is written back to disk only if it was modified since the most recent time that it was written to/fetched from the disk. Once space is allocated in the buffer, the buffer manager reads the ...
new-england-code-camp-16-Cloud-Architecture-Patterns-for
... • Document-oriented data (Document stores) • No rigid database schema • Weak support for complex joins or complex transaction • Usually optimized to Scale Out • NoSQL databases generally not managed with same tooling as for SQL databases ...
... • Document-oriented data (Document stores) • No rigid database schema • Weak support for complex joins or complex transaction • Usually optimized to Scale Out • NoSQL databases generally not managed with same tooling as for SQL databases ...
Best Practices Guide
... periodically stored in the archive. The time duration to retain the data in the database is configurable. Default value is 32 days. Change the value to optimize the storage. Optimize archive hard disk space EventLog Analyzer stores the copy of the log files collected from all the configured hosts in ...
... periodically stored in the archive. The time duration to retain the data in the database is configurable. Default value is 32 days. Change the value to optimize the storage. Optimize archive hard disk space EventLog Analyzer stores the copy of the log files collected from all the configured hosts in ...
Fundamentals of Database Systems
... Accounts, and Database Audits The database system must also keep track of all operations on the database that are applied by a certain user throughout each login session. – To keep a record of all updates applied to the database and of the particular user who applied each update, we can modify syst ...
... Accounts, and Database Audits The database system must also keep track of all operations on the database that are applied by a certain user throughout each login session. – To keep a record of all updates applied to the database and of the particular user who applied each update, we can modify syst ...
Prodacapo Installation Instructions
... The setup wizard will try to shut down any server processes that are running on the system before upgrading Prodacapo. It is still a good idea to manually check what server processes that are running before upgrading. This is because a running server process may indicate that one or more clients are ...
... The setup wizard will try to shut down any server processes that are running on the system before upgrading Prodacapo. It is still a good idea to manually check what server processes that are running before upgrading. This is because a running server process may indicate that one or more clients are ...
An Analytic Data Warehouse for Ad-hoc Queries
... of higher-level data about data (see e.g. [3, 5, 6, 8]), here referred to as Knowledge Grid, available while the query optimization and execution with no need of accessing the actual data. A difference with respect to standard approaches to indexing is that the elements of Knowledge Grid, here refer ...
... of higher-level data about data (see e.g. [3, 5, 6, 8]), here referred to as Knowledge Grid, available while the query optimization and execution with no need of accessing the actual data. A difference with respect to standard approaches to indexing is that the elements of Knowledge Grid, here refer ...