Databases - Course Introduction
... IQueryable employees = context.Employees
.Where(employee => employee.Name == "Plamen");
context.Employees.Update(
employees,
employee => new Employee() {Age = 99});
...
... IQueryable
Dressmaker
... The SQL code for sql.QA.dressmaker.create.sql has been written in notepad. However MS SQL Server 2005 can generate the SQL Script Code itself. Right click the database DRESSMAKER and Script Database > Create To > New Query Editor Window . Compare the auto generated code with that written in notepad. ...
... The SQL code for sql.QA.dressmaker.create.sql has been written in notepad. However MS SQL Server 2005 can generate the SQL Script Code itself. Right click the database DRESSMAKER and Script Database > Create To > New Query Editor Window . Compare the auto generated code with that written in notepad. ...
Notes
... Perhaps the only reason to create a table is to force the DBMS to choose the option of “materializing” That has efficiency advantages in some cases Especially if the underlying tables don’t change ...
... Perhaps the only reason to create a table is to force the DBMS to choose the option of “materializing” That has efficiency advantages in some cases Especially if the underlying tables don’t change ...
Prototype for Wrapping and Visualizing Geo
... common interface for information integration is also well discussed ([15]). XML has been recognized as a good method for web-based information integration ([6]). More recently, XML based information mediation has been extensively studied in the MIX project ([2]). These studies suggested that XML has ...
... common interface for information integration is also well discussed ([15]). XML has been recognized as a good method for web-based information integration ([6]). More recently, XML based information mediation has been extensively studied in the MIX project ([2]). These studies suggested that XML has ...
Customer
... – For each sales rep with fewer than four customers, list the rep number, the number of customers assigned to the rep, and the average balance of the rep’s customers. Rename the count of the number of customers and the average of the balances to NumOfCustomers and AverageBalance. – Use of “Having” c ...
... – For each sales rep with fewer than four customers, list the rep number, the number of customers assigned to the rep, and the average balance of the rep’s customers. Rename the count of the number of customers and the average of the balances to NumOfCustomers and AverageBalance. – Use of “Having” c ...
chapter08-MySQL
... information from which a computer program can quickly access information • Each row in a database table is called a record • A record in a database is a single complete set of related information • Each column in a database table is called a field • Fields are the individual categories of informatio ...
... information from which a computer program can quickly access information • Each row in a database table is called a record • A record in a database is a single complete set of related information • Each column in a database table is called a field • Fields are the individual categories of informatio ...
Analysis of Telecommunication Database using Snowflake Schema
... events—such as fraud and real time network failure. Huge ...
... events—such as fraud and real time network failure. Huge ...
The Design and Implementation of a Self
... We are glad to see that the recent introduction of trusted platforms provides possible solutions to processor level, OS level, and DBMS level intrusion tolerance. Such a platform employs a hardware package containing a processor, memory, and tamper-detecting circuitry [49], or various techniques for ...
... We are glad to see that the recent introduction of trusted platforms provides possible solutions to processor level, OS level, and DBMS level intrusion tolerance. Such a platform employs a hardware package containing a processor, memory, and tamper-detecting circuitry [49], or various techniques for ...
slides
... else, move all the employees in that dept to department :reldept BEGIN IF :reldept IS NULL THEN DELETE FROM Emps WHERE deptno = :deptno; ELSE UPDATE Emps SET deptno = :reldept WHERE deptno = :deptno; END IF; DELETE FROM Depts WHERE deptno = :deptno; pl( 'Department Destroyed' ); END; ...
... else, move all the employees in that dept to department :reldept BEGIN IF :reldept IS NULL THEN DELETE FROM Emps WHERE deptno = :deptno; ELSE UPDATE Emps SET deptno = :reldept WHERE deptno = :deptno; END IF; DELETE FROM Depts WHERE deptno = :deptno; pl( 'Department Destroyed' ); END; ...
CasJobs and MyDB: A Batch Query Workbench
... output buffer to a modest size. If the query doesn’t complete within one minute or the output is too large, it is canceled and an error message is displayed. If the query finishes within a minute, the results are displayed in the browser in a scrollable ...
... output buffer to a modest size. If the query doesn’t complete within one minute or the output is too large, it is canceled and an error message is displayed. If the query finishes within a minute, the results are displayed in the browser in a scrollable ...
Optimizing select-project
... Output: ‘Yes’ if these two expressions are equivalent; ‘no’ otherwise. It is known that this problem is undecidable: there is no algorithm that (1) always returns the correct answer and (2) always returns this answer after a finite amount of time. Actually, the problem is already undecidable for rel ...
... Output: ‘Yes’ if these two expressions are equivalent; ‘no’ otherwise. It is known that this problem is undecidable: there is no algorithm that (1) always returns the correct answer and (2) always returns this answer after a finite amount of time. Actually, the problem is already undecidable for rel ...
Consistency Constraints in Database Middleware
... As we argue below, it is in many applications no longer possible to make a clear cut distinction between good (consistent) and bad (inconsistent) data—even data that is inconsistent in some respect might still be valuable in others. From an administrative perspective, inconsistencies (such as confl ...
... As we argue below, it is in many applications no longer possible to make a clear cut distinction between good (consistent) and bad (inconsistent) data—even data that is inconsistent in some respect might still be valuable in others. From an administrative perspective, inconsistencies (such as confl ...
BetaTeam Progress Report (I1)
... product aiming to finding out the relation database effectivisity comparing the current shared file system. Customer: NAPA Ltd ( computing-based systems for ship safety and performance ) Customer Goals: To implement, test and delivery a product database server, which work in the first phase together ...
... product aiming to finding out the relation database effectivisity comparing the current shared file system. Customer: NAPA Ltd ( computing-based systems for ship safety and performance ) Customer Goals: To implement, test and delivery a product database server, which work in the first phase together ...
Introduction to Microsoft Access 2007
... An Input Mask is used to pre-format a field to “look/act” a certain way when a user inputs data. Example: You could create an input mask for a Social Security Number field that automatically inserts the dash. The Input Mask data can either be stored in the table or simply displayed and not stored. ( ...
... An Input Mask is used to pre-format a field to “look/act” a certain way when a user inputs data. Example: You could create an input mask for a Social Security Number field that automatically inserts the dash. The Input Mask data can either be stored in the table or simply displayed and not stored. ( ...
Lecture 6
... should see a relation described, in SQL, by (select customer_name, borrower.loan_number, branch_name from borrower, loan where borrower.loan_number = loan.loan_number ) ■ A view provides a mechanism to hide certain data from the view of ...
... should see a relation described, in SQL, by (select customer_name, borrower.loan_number, branch_name from borrower, loan where borrower.loan_number = loan.loan_number ) ■ A view provides a mechanism to hide certain data from the view of ...
Resume - State Public Services Tribunal
... Maxim is a MIS Reporting & Analysis Application. This Application was built in UBA Plc (United Bank for Africa Plc) by the MIS Project team. It is used for creating Financial and Management Reports. The sources for Maxim Database are Finacle & Finone. OLTP data from these two sources are taken and t ...
... Maxim is a MIS Reporting & Analysis Application. This Application was built in UBA Plc (United Bank for Africa Plc) by the MIS Project team. It is used for creating Financial and Management Reports. The sources for Maxim Database are Finacle & Finone. OLTP data from these two sources are taken and t ...
A data-oriented transaction execution engine and supporting tools
... their think times. We demonstrate how DORA maintains high performance as load varies from idle to saturated or to oversubscribed. During idle execution, DORA exploits intratransaction parallelism to improve response times and machine utilization; during busy periods, the system benefits from reduced ...
... their think times. We demonstrate how DORA maintains high performance as load varies from idle to saturated or to oversubscribed. During idle execution, DORA exploits intratransaction parallelism to improve response times and machine utilization; during busy periods, the system benefits from reduced ...
The Relational Model
... Enrolled, we can find students s who have are enrolled, but not the cid’s of the courses they are enrolled in. ...
... Enrolled, we can find students s who have are enrolled, but not the cid’s of the courses they are enrolled in. ...
4. Learning algorithm
... To supply a common knowledge database that includes biological and computational aspect of the neuronal science, modelDB [11] has given an example. It supplies the computational model by the classification of neuronal composition. The advantage that modelDB, is that we can find various formats of co ...
... To supply a common knowledge database that includes biological and computational aspect of the neuronal science, modelDB [11] has given an example. It supplies the computational model by the classification of neuronal composition. The advantage that modelDB, is that we can find various formats of co ...
Datalog and Emerging Applications: An Interactive
... as seen through the lens of these recent developments. The tutorial first briefly reviews the Datalog language and recursive query processing and optimization techniques, covering the basics but emphasizing features and techniques beyond “classical” Datalog which are vital for practical applications ...
... as seen through the lens of these recent developments. The tutorial first briefly reviews the Datalog language and recursive query processing and optimization techniques, covering the basics but emphasizing features and techniques beyond “classical” Datalog which are vital for practical applications ...
Jerry Held
... Fine Grained Auditing A tool to provide extensible intrusion detection, capturing the SQL statement, not the retrieved data This auditing policy is based on simple user defined SQL predicates on tables as conditions for selective ...
... Fine Grained Auditing A tool to provide extensible intrusion detection, capturing the SQL statement, not the retrieved data This auditing policy is based on simple user defined SQL predicates on tables as conditions for selective ...
SQL – Part II
... – For each sales rep with fewer than four customers, list the rep number, the number of customers assigned to the rep, and the average balance of the rep’s customers. Rename the count of the number of customers and the average of the balances to NumOfCustomers and AverageBalance. – Use of “Having” c ...
... – For each sales rep with fewer than four customers, list the rep number, the number of customers assigned to the rep, and the average balance of the rep’s customers. Rename the count of the number of customers and the average of the balances to NumOfCustomers and AverageBalance. – Use of “Having” c ...
Spatial Data Storage and Topology in the Redesigned MAF/TIGER
... hardware, and require proprietary data update and access tools, as well as separate archiving, system maintenance, and tuning. For many organizations, GIS projects represent a major integration challenge consuming a large portion of the IT budget. Much of this is directed towards integration between ...
... hardware, and require proprietary data update and access tools, as well as separate archiving, system maintenance, and tuning. For many organizations, GIS projects represent a major integration challenge consuming a large portion of the IT budget. Much of this is directed towards integration between ...
IOSR Journal of Computer Engineering (IOSR-JCE) e-ISSN: 2278-0661,p-ISSN: 2278-8727, PP 63-68 www.iosrjournals.org
... it achieves important milestone for the framework in terms of functionality but also for the improvements made to increase developer productivity. By decreasing coupling within the framework, reducing configuration, providing default and different configuration options (via annotations), and providi ...
... it achieves important milestone for the framework in terms of functionality but also for the improvements made to increase developer productivity. By decreasing coupling within the framework, reducing configuration, providing default and different configuration options (via annotations), and providi ...