True/False Questions
... 50. Archival files and tables contain master and transaction file records that have been moved from on-line storage to off-line storage. Answer: True Page: 522 LOD: Easy 51. Table look-up files contain relatively static data that can be shared by applications to maintain consistency and improve perf ...
... 50. Archival files and tables contain master and transaction file records that have been moved from on-line storage to off-line storage. Answer: True Page: 522 LOD: Easy 51. Table look-up files contain relatively static data that can be shared by applications to maintain consistency and improve perf ...
Chapter 2: Relational Model
... by “possible r ” we mean a relation r that could exist in the enterprise we are modeling. Example: {customer_name, customer_street} and {customer_name} are both superkeys of Customer, if no two customers can possibly have the same name ...
... by “possible r ” we mean a relation r that could exist in the enterprise we are modeling. Example: {customer_name, customer_street} and {customer_name} are both superkeys of Customer, if no two customers can possibly have the same name ...
Preparing to install AEM Forms (Cluster)
... run on the same computer (known as a vertical cluster) or can be located on different computers (known as a horizontal cluster), or they can form a combination of both horizontal and vertical clusters. With clustering, client work can be distributed across several nodes instead of handled by a singl ...
... run on the same computer (known as a vertical cluster) or can be located on different computers (known as a horizontal cluster), or they can form a combination of both horizontal and vertical clusters. With clustering, client work can be distributed across several nodes instead of handled by a singl ...
Database Management System
... It is an abstraction through which relationships are treated as higher level entities (A) Generalization. (B) Specialization. (C) Aggregation. (D) Inheritance. Ans: (C ) It is an abstraction through which relationships are treated as higher level entities Aggregation. (In ER diagram, aggregation is ...
... It is an abstraction through which relationships are treated as higher level entities (A) Generalization. (B) Specialization. (C) Aggregation. (D) Inheritance. Ans: (C ) It is an abstraction through which relationships are treated as higher level entities Aggregation. (In ER diagram, aggregation is ...
A,r
... Until no new equivalent expressions are generated above The above approach is very expensive in space and time ...
... Until no new equivalent expressions are generated above The above approach is very expensive in space and time ...
ch2
... Use of entity sets vs. relationship sets Possible guideline is to designate a relationship set to describe an action that occurs between entities Binary versus n-ary relationship sets Although it is possible to replace any nonbinary (n-ary, for n > 2) relationship set by a number of distinct bin ...
... Use of entity sets vs. relationship sets Possible guideline is to designate a relationship set to describe an action that occurs between entities Binary versus n-ary relationship sets Although it is possible to replace any nonbinary (n-ary, for n > 2) relationship set by a number of distinct bin ...
No Slide Title
... Use of entity sets vs. relationship sets Possible guideline is to designate a relationship set to describe an action that occurs between entities Binary versus n-ary relationship sets Although it is possible to replace any nonbinary (n-ary, for n > 2) relationship set by a number of distinct bin ...
... Use of entity sets vs. relationship sets Possible guideline is to designate a relationship set to describe an action that occurs between entities Binary versus n-ary relationship sets Although it is possible to replace any nonbinary (n-ary, for n > 2) relationship set by a number of distinct bin ...
pdf-2
... relationship set by a number of distinct binary relationship sets, a nary relationship set shows more clearly that several entities participate in a single relationship. ! Placement of relationship attributes ...
... relationship set by a number of distinct binary relationship sets, a nary relationship set shows more clearly that several entities participate in a single relationship. ! Placement of relationship attributes ...
Database Installation Guide
... Agile can be distributed over a wide-area network with multiple servers or can be limited to one or two server computers with several client computers. In the latter case, Agile can usually be installed within a half day. However, network-based systems are inherently complex, and some installations ...
... Agile can be distributed over a wide-area network with multiple servers or can be limited to one or two server computers with several client computers. In the latter case, Agile can usually be installed within a half day. However, network-based systems are inherently complex, and some installations ...
No Slide Title
... 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 ...
ch6
... If an entity can belong to at most one lower-level entity set then that relationship is said to be disjoint. If an entity can belong to more than one lower-level entity set then that relationship is said to be overlapping. If an entity must belong to one of the lower-level entity sets then tha ...
... If an entity can belong to at most one lower-level entity set then that relationship is said to be disjoint. If an entity can belong to more than one lower-level entity set then that relationship is said to be overlapping. If an entity must belong to one of the lower-level entity sets then tha ...
Database Administration: The Complete Guide to
... administration. Unlike other books on general database theory or relational database theory, this book focuses more directly on the theory and reality of database administration as practiced by database professionals today, and does so without catering too much to any specific product implementation ...
... administration. Unlike other books on general database theory or relational database theory, this book focuses more directly on the theory and reality of database administration as practiced by database professionals today, and does so without catering too much to any specific product implementation ...
ch3
... 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 ...
ppt
... 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 ...
Chapter 3: Relational Model Example of a Relation
... + E is any relational-algebra expression + G1, G2 …, Gn is a list of attributes on which to group (can be empty) + Each Fi is an aggregate function + Each Ai is an attribute name ...
... + E is any relational-algebra expression + G1, G2 …, Gn is a list of attributes on which to group (can be empty) + Each Fi is an aggregate function + Each Ai is an attribute name ...
ch3
... E is any relational-algebra expression G1, G2 …, Gn is a list of attributes on which to group (can be empty) Each Fi is an aggregate function Each Ai is an attribute name ...
... E is any relational-algebra expression G1, G2 …, Gn is a list of attributes on which to group (can be empty) Each Fi is an aggregate function Each Ai is an attribute name ...
Chapter 2: Entity-Relationship Model Entity Sets
... relationship set by a number of distinct binary relationship sets, a nary relationship set shows more clearly that several entities participate in a single relationship. ! Placement of relationship attributes ...
... relationship set by a number of distinct binary relationship sets, a nary relationship set shows more clearly that several entities participate in a single relationship. ! Placement of relationship attributes ...
2: Entity-Relationship Model
... Use of entity sets vs. relationship sets Possible guideline is to designate a relationship set to describe an action that occurs between entities Binary versus n-ary relationship sets Although it is possible to replace any nonbinary (n-ary, for n > 2) relationship set by a number of distinct bin ...
... Use of entity sets vs. relationship sets Possible guideline is to designate a relationship set to describe an action that occurs between entities Binary versus n-ary relationship sets Although it is possible to replace any nonbinary (n-ary, for n > 2) relationship set by a number of distinct bin ...
marcia`s dry cleaning case questions
... specific order number, but may also be associated with many different order numbers (as long as it appears only once in each order). Using the Microsoft Access Relationship window, the relationships (including the additional relationships with the INVENTORY and WAREHOUSE tables described after Revie ...
... specific order number, but may also be associated with many different order numbers (as long as it appears only once in each order). Using the Microsoft Access Relationship window, the relationships (including the additional relationships with the INVENTORY and WAREHOUSE tables described after Revie ...
Chapter 2: Entity-Relationship Model Entity Sets Entity Sets
... ! Use of entity sets vs. relationship sets Possible guideline is to designate a relationship set to describe an action that occurs between entities ! Binary versus n-ary relationship sets Although it is possible to replace any nonbinary (n-ary, for n > 2) relationship set by a number of distinct bin ...
... ! Use of entity sets vs. relationship sets Possible guideline is to designate a relationship set to describe an action that occurs between entities ! Binary versus n-ary relationship sets Although it is possible to replace any nonbinary (n-ary, for n > 2) relationship set by a number of distinct bin ...
customer-name
... 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 ...
Microsoft SQL Server Note
... In versions of SQL Server up to SQL Server 7, the character set (or code page) was a server-wide parameter. On a server, every database used the same set of characters. With SQL Server 2000, the character set, sort order and Unicode collation have been grouped in what is now called a collation, whic ...
... In versions of SQL Server up to SQL Server 7, the character set (or code page) was a server-wide parameter. On a server, every database used the same set of characters. With SQL Server 2000, the character set, sort order and Unicode collation have been grouped in what is now called a collation, whic ...
Firebird Interactive SQL Utility
... The command line switch -b(ail) instructs the isql utility to bail on error, but only when used in a noninteractive mode. The switch returns an error code to the Operating System. This switch was added to prevent isql from executing scripts after an error has been detected. No further statements wil ...
... The command line switch -b(ail) instructs the isql utility to bail on error, but only when used in a noninteractive mode. The switch returns an error code to the Operating System. This switch was added to prevent isql from executing scripts after an error has been detected. No further statements wil ...
RDBMS LAB MANUAL Roll.No:1
... suitable menu objects. Thus it is the oracle forms tool that handles data gathering and data validation in a commercial application. Report Writer: Report writer allows programmers to prepare innovative reports using data from the oracle structures like tables, views etc. It is the report writer t ...
... suitable menu objects. Thus it is the oracle forms tool that handles data gathering and data validation in a commercial application. Report Writer: Report writer allows programmers to prepare innovative reports using data from the oracle structures like tables, views etc. It is the report writer t ...
Whitepaper DP5.5 and Oracle Data Guard
... Data Guard enables and automates the management of a disaster recovery solution for Oracle databases located on the same campus or across the continent. Data Guard consists of a production database (also known as the primary database) and one or more standby database(s), which are consistent copies ...
... Data Guard enables and automates the management of a disaster recovery solution for Oracle databases located on the same campus or across the continent. Data Guard consists of a production database (also known as the primary database) and one or more standby database(s), which are consistent copies ...