SSSS - Computer Science
... kind of translator. Without this global language would need a translator to and from every other language in the system. DDBS Nucleus: is responsible for co-ordination and control. The nucleus has to verify the initiator of the query is authorized to access the distributed database, or part of it, ...
... kind of translator. Without this global language would need a translator to and from every other language in the system. DDBS Nucleus: is responsible for co-ordination and control. The nucleus has to verify the initiator of the query is authorized to access the distributed database, or part of it, ...
OLTP Through the Looking Glass, and What We Found There
... re-introduction of transactions. This is certainly true in the general case, but for many transaction applications, it is possible to partition the workload to be “single-sited” [Hel07, SMA+07], such that all transactions can be run entirely on a single node in a cluster. Hence, certain classes of d ...
... re-introduction of transactions. This is certainly true in the general case, but for many transaction applications, it is possible to partition the workload to be “single-sited” [Hel07, SMA+07], such that all transactions can be run entirely on a single node in a cluster. Hence, certain classes of d ...
Applying Data Warehousing Technology to Support Planning and
... used?” and ”Which aggregation function does it represent (in other words, is it an average, a maximum or any other kind of function)?” As an example: if we want to know the average distance of trips per route, the indicator is the distance, the entity is the trip, the aggregation level is the route, ...
... used?” and ”Which aggregation function does it represent (in other words, is it an average, a maximum or any other kind of function)?” As an example: if we want to know the average distance of trips per route, the indicator is the distance, the entity is the trip, the aggregation level is the route, ...
Section 2
... second looks at issues such as static and dynamic access patterns; and the third looks at how much information is available regarding access patterns. ...
... second looks at issues such as static and dynamic access patterns; and the third looks at how much information is available regarding access patterns. ...
Introduction to Database Principles http://cbb.sjtu.edu.cn
... balance integer, primary key (account_number), foreign key (branch_name) references branch ) create table depositor (customer_name char(20), account_number char(10), primary key (customer_name, account_number), foreign key (account_number ) references account, foreign key (customer_name ) referenc ...
... balance integer, primary key (account_number), foreign key (branch_name) references branch ) create table depositor (customer_name char(20), account_number char(10), primary key (customer_name, account_number), foreign key (account_number ) references account, foreign key (customer_name ) referenc ...
A Logical Approach to Multidimensional Databases?
... both OLAP data servers and client analysis tools. OLAP servers can be either relational systems (ROLAP) or proprietary multidimensional systems (MOLAP). A ROLAP system is an extended relational system that maps operations on multidimensional data to standard relational operations (SQL). A MOLAP syst ...
... both OLAP data servers and client analysis tools. OLAP servers can be either relational systems (ROLAP) or proprietary multidimensional systems (MOLAP). A ROLAP system is an extended relational system that maps operations on multidimensional data to standard relational operations (SQL). A MOLAP syst ...
Slide 1
... • Create list of SQL Server that you want to analyze now or in the future • BPA will scan all databases on a given server (including system databases) ...
... • Create list of SQL Server that you want to analyze now or in the future • BPA will scan all databases on a given server (including system databases) ...
Next Generation GoldenGate(12c) vs. Streams for Physics Data
... Starting with databases at CERN: RDBMS for beginners Lorena Lobato Pardavila CERN IT Department – DB Group ...
... Starting with databases at CERN: RDBMS for beginners Lorena Lobato Pardavila CERN IT Department – DB Group ...
What Is a Dimensional Data Warehouse?
... time, and handle large quantities of data. Report and other data are precalculated ...
... time, and handle large quantities of data. Report and other data are precalculated ...
Chapter 7 Database Design Models— the UML Profile for Database Design
... Identifying relationship—a relationship between two tables in which the child table must coexist with the parent table Non-identifying relationship—a relationship between two tables in which each table can exist independently of the other View—a virtual table that, from the user’s perspective, behav ...
... Identifying relationship—a relationship between two tables in which the child table must coexist with the parent table Non-identifying relationship—a relationship between two tables in which each table can exist independently of the other View—a virtual table that, from the user’s perspective, behav ...
Knowledge Management Database
... equipments is maintaining in more than one unit. Companies are also concerned about loosing the knowledge and expertise gained by employees when they leave the company. Knowledge Management is a novel concept that emphasizes capturing expertise or standards and providing tools to share them througho ...
... equipments is maintaining in more than one unit. Companies are also concerned about loosing the knowledge and expertise gained by employees when they leave the company. Knowledge Management is a novel concept that emphasizes capturing expertise or standards and providing tools to share them througho ...
Database Application Development
... interface to diverse database systems on different operating systems ...
... interface to diverse database systems on different operating systems ...
Access Tutorial 14: Data Access Objects
... x = “one” & “_two” means that the variable x is equal to the string one_two. If you understand these constructs at this point, then understanding the DLookUp() function is just a matter of putting the pieces together one by one. 14.3.5.1 Using DLookUp() in queries The DLookUp() function is extremely ...
... x = “one” & “_two” means that the variable x is equal to the string one_two. If you understand these constructs at this point, then understanding the DLookUp() function is just a matter of putting the pieces together one by one. 14.3.5.1 Using DLookUp() in queries The DLookUp() function is extremely ...
Information Technology
... Sum = 1 – x2/2! + x4/4! – x6/6! + x8/8! – x10/10! 6. Write a C program to find the roots of a quadratic equation 7. Write C programs that use both recursive and non-recursive functions i) To find the factorial of a given integer ii) To find the GCD (greatest common divisor) of two given integers iii ...
... Sum = 1 – x2/2! + x4/4! – x6/6! + x8/8! – x10/10! 6. Write a C program to find the roots of a quadratic equation 7. Write C programs that use both recursive and non-recursive functions i) To find the factorial of a given integer ii) To find the GCD (greatest common divisor) of two given integers iii ...
rethink data modeling
... models define the details of how information is stored, documenting real life people, places, and things and how they relate to one another. For example, a company has customers, and customers have purchases. How these entities and relationships are modeled forms the basis for using and sharing data ...
... models define the details of how information is stored, documenting real life people, places, and things and how they relate to one another. For example, a company has customers, and customers have purchases. How these entities and relationships are modeled forms the basis for using and sharing data ...
Lab6-MSA-Macros-Modules-Internet
... Basic, you can also create your own functions either to perform calculations that exceed the capability of an expression or to replace complex expressions. In addition, you can use the functions you create in expressions to apply a common operation to more than one object. Mask error messages. When ...
... Basic, you can also create your own functions either to perform calculations that exceed the capability of an expression or to replace complex expressions. In addition, you can use the functions you create in expressions to apply a common operation to more than one object. Mask error messages. When ...
JDBC (Java DataBase Connectivity)
... System.out.print( rs.getString( i)+","); System.out.println( rs.getString(nCols) ); ...
... System.out.print( rs.getString( i)+","); System.out.println( rs.getString(nCols) ); ...
Backup and Restore
... To understand the crucial difference between consistent and inconsistent backups, you must first understand the concept of the system change number (SCN). The SCN is an Oracle server-assigned number that indicates a committed version of the database. It's quite possible that different datafiles in t ...
... To understand the crucial difference between consistent and inconsistent backups, you must first understand the concept of the system change number (SCN). The SCN is an Oracle server-assigned number that indicates a committed version of the database. It's quite possible that different datafiles in t ...
Security
... • All database connections use the user’s login id • Application connects to the database using – A single database user-id (1 user w. all permissions for all data tables) – A role or group account (each application user-id has exactly 1 role ) ...
... • All database connections use the user’s login id • Application connects to the database using – A single database user-id (1 user w. all permissions for all data tables) – A role or group account (each application user-id has exactly 1 role ) ...
DBAdminFund_PPT_3.2
... When using the multiple-record syntax, the INSERT INTO statement precedes a SELECT statement and adds a single or multiple records to a table. This is referred to as an append query, as it copies records from one or more tables to another. The tables that contain the records being appended are not a ...
... When using the multiple-record syntax, the INSERT INTO statement precedes a SELECT statement and adds a single or multiple records to a table. This is referred to as an append query, as it copies records from one or more tables to another. The tables that contain the records being appended are not a ...
Semantic Annotation of Mobile Data for Language Access
... are equipped with more and more sensors including GPS receivers, Bluetooth transmitters and receivers, RFID receivers and others. They also receive and store information about such events as messages, phone calls, meetings, application usage and access to digital services. It is therefore natural to ...
... are equipped with more and more sensors including GPS receivers, Bluetooth transmitters and receivers, RFID receivers and others. They also receive and store information about such events as messages, phone calls, meetings, application usage and access to digital services. It is therefore natural to ...