Slides from Lecture 14 - Courses - University of California, Berkeley
... matching candidate (usually primary) key • Referential Integrity means that if the foreign key contains a value, that value must refer to an existing occurrence in the parent entity • For example: – Since the Order ID in the diveitem relation refers to a particular diveords item, that item must exis ...
... matching candidate (usually primary) key • Referential Integrity means that if the foreign key contains a value, that value must refer to an existing occurrence in the parent entity • For example: – Since the Order ID in the diveitem relation refers to a particular diveords item, that item must exis ...
CHAP11
... distributed database with replicated files, the distributed DBMS must decide where to access the data and how to proceed with the join. Three step process: ...
... distributed database with replicated files, the distributed DBMS must decide where to access the data and how to proceed with the join. Three step process: ...
Database System Concepts, 6th Ed
... ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ...
... ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ...
Database System Architectures
... component is connected to all adjacent components; communication links grow with growing number of components, and so scales better. But may require 2n hops to send message to a node (or n with wraparound connections at edge of grid). Hypercube. Components are numbered in binary; components ...
... component is connected to all adjacent components; communication links grow with growing number of components, and so scales better. But may require 2n hops to send message to a node (or n with wraparound connections at edge of grid). Hypercube. Components are numbered in binary; components ...
Data Models
... Two-tier architecture: E.g. client programs using ODBC/JDBC to communicate with a database Three-tier architecture: E.g. web-based applications, and applications built using “middleware” ...
... Two-tier architecture: E.g. client programs using ODBC/JDBC to communicate with a database Three-tier architecture: E.g. web-based applications, and applications built using “middleware” ...
Document
... result sets extracted as a result of queries. • DatabaseMetaData. This is another metadata class. In this case it provides information about a database. For example, it enables the programmer to discover whether the database supports stored procedures, whether the database supports ANSI92 SQL and wh ...
... result sets extracted as a result of queries. • DatabaseMetaData. This is another metadata class. In this case it provides information about a database. For example, it enables the programmer to discover whether the database supports stored procedures, whether the database supports ANSI92 SQL and wh ...
JDBC - Free
... What tables are available? What's our user name as known to the database? Is the database in read-only mode? If table correlation names are supported (association of a column with the table it comes from, when multiple columns of the same name appear in the same query - multi-table queries) , are th ...
... What tables are available? What's our user name as known to the database? Is the database in read-only mode? If table correlation names are supported (association of a column with the table it comes from, when multiple columns of the same name appear in the same query - multi-table queries) , are th ...
and Database Administrator
... user views. • Identifying user views helps ensure that no major users of the database are forgotten when developing requirements for new application. • User views also help in development of complex database application allowing requirements to be broken down into ...
... user views. • Identifying user views helps ensure that no major users of the database are forgotten when developing requirements for new application. • User views also help in development of complex database application allowing requirements to be broken down into ...
The COMET Database Management System
... The complexity of modern vehicle control systems is rapidly increasing [1], and so is also the amount of data that needs to be handled and maintained. Thus, a need has emerged for a structured way of handling this data. A real-time database management system would fulfill this need by providing a hi ...
... The complexity of modern vehicle control systems is rapidly increasing [1], and so is also the amount of data that needs to be handled and maintained. Thus, a need has emerged for a structured way of handling this data. A real-time database management system would fulfill this need by providing a hi ...
Disaster Databases in Bangladesh Expert Group Meting on Improving Disaster Data
... MOU Signed between CDMP and BBS (to establish Union-level baseline database to be used for Damage/Loss estimation and other analysis) Analyzing D-Form Requirement Questionnaire Developed to meet D-Form requirement and for other requirements like Vulnerability Analysis Field testing of Questionnaire ...
... MOU Signed between CDMP and BBS (to establish Union-level baseline database to be used for Damage/Loss estimation and other analysis) Analyzing D-Form Requirement Questionnaire Developed to meet D-Form requirement and for other requirements like Vulnerability Analysis Field testing of Questionnaire ...
From Database to your Desktop: How to almost completely automate reports in SAS, with the power of Proc SQL
... transactional data, in summarized and readable format, to help them make data driven decisions. When reports/charts/dashboards need to be updated on a periodic basis, SAS could be used to automate the whole process, with very little manual intervention. ...
... transactional data, in summarized and readable format, to help them make data driven decisions. When reports/charts/dashboards need to be updated on a periodic basis, SAS could be used to automate the whole process, with very little manual intervention. ...
Database Users and Administrators
... Pascal etc. These queries are converted into object code to communicate with the database. For example, writing a C program to generate the report of employees who are working in particular department will involve a query to fetch the data from database. It will include a embedded SQL query in the C ...
... Pascal etc. These queries are converted into object code to communicate with the database. For example, writing a C program to generate the report of employees who are working in particular department will involve a query to fetch the data from database. It will include a embedded SQL query in the C ...
Tlog backups will clear VLFs for reuse but probably will not shrink tlog
... Monitor tlog growth and behaviour after-the-fact Repeat if necessary If you understand well how each database uses its tlog file, you may not have to do this step. Ever. Until things change. ...
... Monitor tlog growth and behaviour after-the-fact Repeat if necessary If you understand well how each database uses its tlog file, you may not have to do this step. Ever. Until things change. ...
Principles of Database Systems
... The data models, SQL language and user interfaces Key principles of DBMS (mainly architecture, query optimization, concurrency control, recovery, etc.) The security and integrity constrains of database Introduction of distributed database systems Some new research and application fields of database ...
... The data models, SQL language and user interfaces Key principles of DBMS (mainly architecture, query optimization, concurrency control, recovery, etc.) The security and integrity constrains of database Introduction of distributed database systems Some new research and application fields of database ...
14 Databases
... The query language normally used for objected-oriented databases is XML (Extensible Markup Language). As we discussed in Chapter 6, XML was originally designed to add markup information to text documents, but it has also found its application as a query language in databases. XML can ...
... The query language normally used for objected-oriented databases is XML (Extensible Markup Language). As we discussed in Chapter 6, XML was originally designed to add markup information to text documents, but it has also found its application as a query language in databases. XML can ...
Managing the Oracle Database Instance
... Complete and Incomplete Recovery Import, Upgrade, Drop and Other Recovery Operations Virtual Private Catalog) Using RMAN to Perform Recovery Configuring Backup Settings Complete Recovery after Loss of a Configuring and Managing Critical or Noncritical Data File Persistent Settings for RMAN ...
... Complete and Incomplete Recovery Import, Upgrade, Drop and Other Recovery Operations Virtual Private Catalog) Using RMAN to Perform Recovery Configuring Backup Settings Complete Recovery after Loss of a Configuring and Managing Critical or Noncritical Data File Persistent Settings for RMAN ...
Database System Development Life Cycle
... Transferring any existing data into new database and converting any existing applications to run on new database. Only required when new database system is replacing an old system (legacy systems). • DBMS normally has utility that loads existing files into new database. ...
... Transferring any existing data into new database and converting any existing applications to run on new database. Only required when new database system is replacing an old system (legacy systems). • DBMS normally has utility that loads existing files into new database. ...
ch-14 - WordPress.com
... The query language normally used for objected-oriented databases is XML (Extensible Markup Language). As we discussed in Chapter 6, XML was originally designed to add markup information to text documents, but it has also found its application as a query language in databases. XML can ...
... The query language normally used for objected-oriented databases is XML (Extensible Markup Language). As we discussed in Chapter 6, XML was originally designed to add markup information to text documents, but it has also found its application as a query language in databases. XML can ...
CH06
... while the operation is executing. Example 1. Add $100 to account 456 2. Subtract $100 from account 123 Atomicity: Certain combinations of database operations need to be done atomically; that is, either they are both done or neither is done. ...
... while the operation is executing. Example 1. Add $100 to account 456 2. Subtract $100 from account 123 Atomicity: Certain combinations of database operations need to be done atomically; that is, either they are both done or neither is done. ...
PPT - LSC
... » Python module to publsh IFO state information into database » Used by Ben’s publishing scripts » Also used by publishstatefromfile and bulkpublishstate scripts ...
... » Python module to publsh IFO state information into database » Used by Ben’s publishing scripts » Also used by publishstatefromfile and bulkpublishstate scripts ...
Document
... The query language normally used for objected-oriented databases is XML (Extensible Markup Language). As we discussed in Chapter 6, XML was originally designed to add markup information to text documents, but it has also found its application as a query language in databases. XML can ...
... The query language normally used for objected-oriented databases is XML (Extensible Markup Language). As we discussed in Chapter 6, XML was originally designed to add markup information to text documents, but it has also found its application as a query language in databases. XML can ...