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 ...
Management of Meteorological Mass Data with MongoDB
... 2.1. Access to data and metadata within one single database query The first important requirement for the new environment was access to data and metadata within one single database query, i.e. one query should provide the metadata as well as the underlying measurement data. Therefore, it is possible ...
... 2.1. Access to data and metadata within one single database query The first important requirement for the new environment was access to data and metadata within one single database query, i.e. one query should provide the metadata as well as the underlying measurement data. Therefore, it is possible ...
Secure Data Access with SQL Server 2005
... Access to many resources must be explicitly enabled or granted before being used SQL Server Surface Area Configuration utility Permissions ...
... Access to many resources must be explicitly enabled or granted before being used SQL Server Surface Area Configuration utility Permissions ...
Comparison of Data Warehousing DBMS Platforms
... column being used for selection. Each time a qualifying value is found, the record is then included in the response to the query. If a table is large, as in a data warehouse, this process is very slow and consumes excessive computing resources. Indexing provides a partial solution by allowing the co ...
... column being used for selection. Each time a qualifying value is found, the record is then included in the response to the query. If a table is large, as in a data warehouse, this process is very slow and consumes excessive computing resources. Indexing provides a partial solution by allowing the co ...
Dimension Table
... Snowflake structure can reduce the effectiveness of browsingg since more joins will be needed to execute a query. A a result, As lt th the system t performance f adversely d l iimpacted. t d Hence, the snowflake schema is not as popular as the star Hence schema in data warehouse design. ...
... Snowflake structure can reduce the effectiveness of browsingg since more joins will be needed to execute a query. A a result, As lt th the system t performance f adversely d l iimpacted. t d Hence, the snowflake schema is not as popular as the star Hence schema in data warehouse design. ...
Introduction to the Oracle Application Development Framework 11g
... – Loose coupling between services and application ...
... – Loose coupling between services and application ...
XP Open an existing database
... person, place, object, event, or idea. • Record – A set of related field values. • Table – A collection of records that identify a category of data, such as Customers, Orders, or Inventory. ...
... person, place, object, event, or idea. • Record – A set of related field values. • Table – A collection of records that identify a category of data, such as Customers, Orders, or Inventory. ...
COMET: A Component-Based Real-Time Database for Automotive
... with run-time concurrency control mechanisms, and support for database queries formulated during run-time (adhock queries). A configurable RTDBMS supporting different types of nodes would, from the application’s point of view, provide uniform access to the data regardless of the size and characteris ...
... with run-time concurrency control mechanisms, and support for database queries formulated during run-time (adhock queries). A configurable RTDBMS supporting different types of nodes would, from the application’s point of view, provide uniform access to the data regardless of the size and characteris ...
Blue Group (ADO) - DePaul University
... • Database architecture designed to provide access to data regardless of location or type • Access relational as well as nonrelational information sources including mainframe, e-mail/file system stores, text, graphical data etc... • By definition, OLE DB is a C++ API. It is not language independent ...
... • Database architecture designed to provide access to data regardless of location or type • Access relational as well as nonrelational information sources including mainframe, e-mail/file system stores, text, graphical data etc... • By definition, OLE DB is a C++ API. It is not language independent ...
Lecture 5
... scheduled reports after extensive programming efforts, but it cannot deliver ad-hoc reports or respond to unanticipated information requirements in a timely fashion. ...
... scheduled reports after extensive programming efforts, but it cannot deliver ad-hoc reports or respond to unanticipated information requirements in a timely fashion. ...
Java DATABASE CONNECTIVITY JDBC
... So, if a SQL statement is to be repeated, it is better to use PreparedStatement Some values of the statement can be represented by a ? character which can be replaced later using setXXX method ...
... So, if a SQL statement is to be repeated, it is better to use PreparedStatement Some values of the statement can be represented by a ? character which can be replaced later using setXXX method ...
Integrating spatial intelligence and business intelligence
... is optimised to store and query data related to objects in space, including points, lines and polygons. While typical databases can understand various numeric and character types of data, additional functionality needs to be added for databases to process spatial data types. These are typically call ...
... is optimised to store and query data related to objects in space, including points, lines and polygons. While typical databases can understand various numeric and character types of data, additional functionality needs to be added for databases to process spatial data types. These are typically call ...
Chapter 25
... schema is a hybrid structure that contains a mixture of star (denormalized) and snowflake (normalized) schemas. Allows dimensions to be present in both forms to cater for different query requirements. ...
... schema is a hybrid structure that contains a mixture of star (denormalized) and snowflake (normalized) schemas. Allows dimensions to be present in both forms to cater for different query requirements. ...
Create the first Model
... Now you have to choose the tables to import from your database inside the Physical Model. The Physical Model is like a “snapshot” of your current database tables structure used to create Business objects inside the SpagoBI Model editor. Make sure to import all the tables that you want to use later i ...
... Now you have to choose the tables to import from your database inside the Physical Model. The Physical Model is like a “snapshot” of your current database tables structure used to create Business objects inside the SpagoBI Model editor. Make sure to import all the tables that you want to use later i ...
Normalization
... A workshop for everybody! In 1970, Edgar F. Codd published a paper titled Relational Database Theory. In effect, he envisioned first normal form (1NF). Codd's theory did not focus on the relational algebra of databases directly. Instead, he focused on how data should be addressed. This theory separa ...
... A workshop for everybody! In 1970, Edgar F. Codd published a paper titled Relational Database Theory. In effect, he envisioned first normal form (1NF). Codd's theory did not focus on the relational algebra of databases directly. Instead, he focused on how data should be addressed. This theory separa ...
Pyramid Installation Checklist
... A domain service account with user-level access to your domain (This is required so that Pyramid can query your domain to find users to add to the installation) ...
... A domain service account with user-level access to your domain (This is required so that Pyramid can query your domain to find users to add to the installation) ...
Websense Enterprise Explorer Log Database Maintenance
... Queries that selectively extract information from a database table are most affected by index fragmentation. Indexes are used by the database server to return the results of queries more efficiently. Each element in the index contains a pointer to the location in the data file where the associated r ...
... Queries that selectively extract information from a database table are most affected by index fragmentation. Indexes are used by the database server to return the results of queries more efficiently. Each element in the index contains a pointer to the location in the data file where the associated r ...
CS2255 Data Base Management Systems Ms.S
... Sub Code & Name : CS2255 DATABASE MANAGEMENT SYSTEMS Unit: III Branch: CS Semester: IV ...
... Sub Code & Name : CS2255 DATABASE MANAGEMENT SYSTEMS Unit: III Branch: CS Semester: IV ...
Privacy-Preserving Data Mining
... The Data Revolution • The current data revolution is fueled by the perceived, actual, and potential usefulness of the data. • Most electronic and physical activities leave some kind of data trail. These trails can provide useful information to various parties. • However, there are also concerns abo ...
... The Data Revolution • The current data revolution is fueled by the perceived, actual, and potential usefulness of the data. • Most electronic and physical activities leave some kind of data trail. These trails can provide useful information to various parties. • However, there are also concerns abo ...
Access 2002 Prepared by Angela Dejak November 2005 Access
... organized into fields, or categories, such as customer name, city or phone number. A key field is a field that contains unique information for each record, such as a student number for students or an ID number for staff. A group of related fields, such as all the information on a particular customer ...
... organized into fields, or categories, such as customer name, city or phone number. A key field is a field that contains unique information for each record, such as a student number for students or an ID number for staff. A group of related fields, such as all the information on a particular customer ...
Tutorial on basic MIST SQL language use
... 1. Most Basic Language Words: SELECT and FROM There are two key words in SQL that are required for any SQL query. These are SELECT and FROM. SELECT “selects” items from a table, and FROM is from where those items are to be selected. FROM usually refers to a table in the database, but it can refer to ...
... 1. Most Basic Language Words: SELECT and FROM There are two key words in SQL that are required for any SQL query. These are SELECT and FROM. SELECT “selects” items from a table, and FROM is from where those items are to be selected. FROM usually refers to a table in the database, but it can refer to ...
Oracle RAC Training Course Syllabus in Chennai Oracle 11g R2
... Installing and Configuring ASMLib Using ASMLib to Mark the Shared Disks as Candidate Disks ...
... Installing and Configuring ASMLib Using ASMLib to Mark the Shared Disks as Candidate Disks ...
BICS546 Client/Server Database Application Development
... referred to as a partitioned application. • A partition application consists of several parts, and each part perform a specific and well-defined task. • Each part of the partitioned application is referred to as a component • A component interacts with others via interface: properties, methods, and ...
... referred to as a partitioned application. • A partition application consists of several parts, and each part perform a specific and well-defined task. • Each part of the partitioned application is referred to as a component • A component interacts with others via interface: properties, methods, and ...
Metadata Standards for Data Warehousing: Open Information Model
... The existence of a single repository for managing all kinds of metadata within an enterprise allows centralized metadata management. Metadata is uniformly and consistently managed, and accessed by all possible consumers. However, the use of di erent tools, software components and repositories with d ...
... The existence of a single repository for managing all kinds of metadata within an enterprise allows centralized metadata management. Metadata is uniformly and consistently managed, and accessed by all possible consumers. However, the use of di erent tools, software components and repositories with d ...
Database model
A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.