Access Tutorial 1: Creating a Database
... A collection of related tables The specific content of a field Connects the records in separate tables A single characteristic or attribute of a person, place, object, event, or idea A primary key from one table that is used to form a relationship with a second table A collection of fields that desc ...
... A collection of related tables The specific content of a field Connects the records in separate tables A single characteristic or attribute of a person, place, object, event, or idea A primary key from one table that is used to form a relationship with a second table A collection of fields that desc ...
The Path to Five 9s
... only capable of protected a single database at a time. While this is adequate for some applications it doesn’t adequately protect more complex multi-database applications. In addition, you have to choose whether Database Mirroring is implemented either synchronously or asynchronously. You can’t choo ...
... only capable of protected a single database at a time. While this is adequate for some applications it doesn’t adequately protect more complex multi-database applications. In addition, you have to choose whether Database Mirroring is implemented either synchronously or asynchronously. You can’t choo ...
Chapter 14: Query Optimization
... Enumeration of Equivalent Expressions Query optimizers use equivalence rules to systematically generate expressions ...
... Enumeration of Equivalent Expressions Query optimizers use equivalence rules to systematically generate expressions ...
HOBLink DRDA für Windows
... In order to be able to access databases via HOBLink DRDA, you must carry out the following steps: • Enter the necessary definitions on the host (refer to section „3.2 Definitions on the Host“; consult the system administrator of the host system) • Install an APPC subsystem respectively TCP/IP subsys ...
... In order to be able to access databases via HOBLink DRDA, you must carry out the following steps: • Enter the necessary definitions on the host (refer to section „3.2 Definitions on the Host“; consult the system administrator of the host system) • Install an APPC subsystem respectively TCP/IP subsys ...
Oracle Database HA Technical Comparison
... (RMAN), which is a comprehensive backup, restore and recovery solution for the Oracle database. With RMAN, backups of the Oracle database can be taken online, without requiring expensive downtime. Furthermore, Oracle Database offers the Fast Recovery Area, which is a unified disk-based storage locat ...
... (RMAN), which is a comprehensive backup, restore and recovery solution for the Oracle database. With RMAN, backups of the Oracle database can be taken online, without requiring expensive downtime. Furthermore, Oracle Database offers the Fast Recovery Area, which is a unified disk-based storage locat ...
Determining the IOPS Needs for Oracle Database on AWS
... shared by multiple databases and file systems, thus the total IOPS provided by the storage system is used by many more applications than a single database. Most Oracle Database production systems fall in the range of 3,000–30,000 IOPS. A performance test environment’s IOPS needs are generally identi ...
... shared by multiple databases and file systems, thus the total IOPS provided by the storage system is used by many more applications than a single database. Most Oracle Database production systems fall in the range of 3,000–30,000 IOPS. A performance test environment’s IOPS needs are generally identi ...
A Practical Theory of Language-Integrated Query
... comparable to that of F# 2.0 and F# 3.0, in the cases where those systems generate a query, and significantly faster in the one case where F# 3.0 generates an avalanche—indeed, arbitrarily faster as the size of the data grows. Our theory models only a fraction of the features of LINQ, but our practi ...
... comparable to that of F# 2.0 and F# 3.0, in the cases where those systems generate a query, and significantly faster in the one case where F# 3.0 generates an avalanche—indeed, arbitrarily faster as the size of the data grows. Our theory models only a fraction of the features of LINQ, but our practi ...
Distributed DBMS
... What is a Distributed Database System? A distributed database (DDB) is a collection of multiple, logically interrelated databases distributed over a computer network. A distributed database management system (D–DBMS) is the software that manages the DDB and provides an access mechanism that makes t ...
... What is a Distributed Database System? A distributed database (DDB) is a collection of multiple, logically interrelated databases distributed over a computer network. A distributed database management system (D–DBMS) is the software that manages the DDB and provides an access mechanism that makes t ...
INTRODUCTION TO RDBMS
... RDBMS is a Relational Data Base Management System Relational DBMS. This adds the additional condition that the system supports a tabular structure for the data, with enforced relationships between the tables. This excludes the databases that don't support a tabular structure or don't enforce relatio ...
... RDBMS is a Relational Data Base Management System Relational DBMS. This adds the additional condition that the system supports a tabular structure for the data, with enforced relationships between the tables. This excludes the databases that don't support a tabular structure or don't enforce relatio ...
ABAP for Functional Consultants
... environment. The elements that make up a dictionary are known as metadata. The ABAP data dictionary data is the core of the R/3 development system. The integration of the ABAP dictionary with the development and runtime environments is an active integration. ...
... environment. The elements that make up a dictionary are known as metadata. The ABAP data dictionary data is the core of the R/3 development system. The integration of the ABAP dictionary with the development and runtime environments is an active integration. ...
Lesson 5 Using Excel Lists
... A list is a table of information that you can ask questions of. Other names for asking questions are filtering or querying. The Excel List and/or Database module is truly useful. The key to using lists and pivot tables is organizing the data in a valid Excel list. If the data is not organized, accor ...
... A list is a table of information that you can ask questions of. Other names for asking questions are filtering or querying. The Excel List and/or Database module is truly useful. The key to using lists and pivot tables is organizing the data in a valid Excel list. If the data is not organized, accor ...
SQL: Single Table Queries
... Added regular expression matching, recursive queries, triggers, nonscalar types and some object-oriented features. (The last two are somewhat controversial and not yet widely supported.) ...
... Added regular expression matching, recursive queries, triggers, nonscalar types and some object-oriented features. (The last two are somewhat controversial and not yet widely supported.) ...
(A) R - UCLA Computer Science
... Suppose that students are given roll numbers which are strings of the form CS0012 or EE1127 If the first two characters are extracted to find the department, the domain of roll numbers is not atomic. Doing so is a bad idea: leads to encoding of information in application program rather than in ...
... Suppose that students are given roll numbers which are strings of the form CS0012 or EE1127 If the first two characters are extracted to find the department, the domain of roll numbers is not atomic. Doing so is a bad idea: leads to encoding of information in application program rather than in ...
PDF - This Chapter (379.0 KB)
... Use the Remote Host option only if the remote host supports the Linux Secure Copy (scp) command. If you are using a remote host that does not support scp (for example, a Windows PC or server), click the Local Directory radio button. You must back up your data to the Cisco IPICS server, then use a se ...
... Use the Remote Host option only if the remote host supports the Linux Secure Copy (scp) command. If you are using a remote host that does not support scp (for example, a Windows PC or server), click the Local Directory radio button. You must back up your data to the Cisco IPICS server, then use a se ...
CAMEO DATA MODELER PLUGIN
... You can create such relationships using buttons on a diagram pallet. You can also turn an existing relationship into identifying and back again. For this you can choose to do one of the following: either change the Is Identifying property value in the relationship Specification window or select the ...
... You can create such relationships using buttons on a diagram pallet. You can also turn an existing relationship into identifying and back again. For this you can choose to do one of the following: either change the Is Identifying property value in the relationship Specification window or select the ...
Ontology Based Query Answering: The Story So Far
... R v S and R v ¬S, which is very closely related to OWL 2 QL. – DL-Lite RDFS , a fragment of DL-Lite R that is probably less known, but quite interesting for comparison purposes. It disables negation and existential quantification in the right hand side of axioms, and it is roughly equivalent to RDF( ...
... R v S and R v ¬S, which is very closely related to OWL 2 QL. – DL-Lite RDFS , a fragment of DL-Lite R that is probably less known, but quite interesting for comparison purposes. It disables negation and existential quantification in the right hand side of axioms, and it is roughly equivalent to RDF( ...
Oracle MDB Care and Feeding
... - Inconsistent – made while the database is open – i.e. redo logs contain changes not applied to the datafiles - Recovering an Oracle database consists of updating database files restored from a backup with the changes made to the database since the backup using redo log files - When restoring data ...
... - Inconsistent – made while the database is open – i.e. redo logs contain changes not applied to the datafiles - Recovering an Oracle database consists of updating database files restored from a backup with the changes made to the database since the backup using redo log files - When restoring data ...
Midterm 2 Review - Department of Computer Science
... Let r and s be relations on schemas R and S respectively.The result is a relation on schema R S which is obtained by considering each pair of tuples tr from r and ts from s. If tr and ts have the same value on each of the attributes in R S, a tuple t is added to the result, where t has the ...
... Let r and s be relations on schemas R and S respectively.The result is a relation on schema R S which is obtained by considering each pair of tuples tr from r and ts from s. If tr and ts have the same value on each of the attributes in R S, a tuple t is added to the result, where t has the ...
shellscript oracle
... A command file is a text file which contains RMAN commands as you would enter them at the command line. You can run the a command file by specifying its name on the command line. The contents of the command file will be interpreted as if entered at the command line. If the LOG command line argument ...
... A command file is a text file which contains RMAN commands as you would enter them at the command line. You can run the a command file by specifying its name on the command line. The contents of the command file will be interpreted as if entered at the command line. If the LOG command line argument ...
The SQL Query Language
... Based on slides for Database Management Systems by R. Ramakrishnan and J. Gehrke ...
... Based on slides for Database Management Systems by R. Ramakrishnan and J. Gehrke ...
SQL Data Compare 7 - Product Documentation
... email address. They did not specify a WHERE clause, and consequently have updated the entire table. During the day some other rows in the Contacts table have been modified. The database administrator has been asked to restore the data from a backup and apply some but not all of the changes that were ...
... email address. They did not specify a WHERE clause, and consequently have updated the entire table. During the day some other rows in the Contacts table have been modified. The database administrator has been asked to restore the data from a backup and apply some but not all of the changes that were ...
Installing the Greenplum Command Center Console
... host different from the master host. Note that this setup incurs a performance penalty due to the numerous database connections the console must open over the network. If you have multiple Greenplum Database instances, you can create separate Command Center Console instances for each of them. Each s ...
... host different from the master host. Note that this setup incurs a performance penalty due to the numerous database connections the console must open over the network. If you have multiple Greenplum Database instances, you can create separate Command Center Console instances for each of them. Each s ...