J2EE - WordPress.com
... • It includes various tags to control the flow of execution, to support internationalization and to access database using SQL ...
... • It includes various tags to control the flow of execution, to support internationalization and to access database using SQL ...
Starting with Java Persistence Architecture
... these projects include JDO, Kodo, Hibernate and others. Any of those libraries could be used for persistence, but they were not standard reference implementations. The JPA represents the next generation; it benefits from all the work on the earlier persistence mechanisms and provides a solution that ...
... these projects include JDO, Kodo, Hibernate and others. Any of those libraries could be used for persistence, but they were not standard reference implementations. The JPA represents the next generation; it benefits from all the work on the earlier persistence mechanisms and provides a solution that ...
The Design and Implementation of a Self
... transaction will not cause any damage before it commits (due to the atomicity property), it is theoretically true that if we can detect every malicious transaction before it commits, then we can roll back the transaction before it causes any damage. However, this “perfect” solution is not practical ...
... transaction will not cause any damage before it commits (due to the atomicity property), it is theoretically true that if we can detect every malicious transaction before it commits, then we can roll back the transaction before it causes any damage. However, this “perfect” solution is not practical ...
PSPS-CDR-day2
... For brevity, in this section I will only discuss the interfacing between the PSPS and the IPP because • The MOPS-PSPS interfacing is much simpler in that we are moving a dump of the MySQL database held within the MOPS. • The IPP-PSPS interface is more complicated than that for MOP-PSPS ...
... For brevity, in this section I will only discuss the interfacing between the PSPS and the IPP because • The MOPS-PSPS interfacing is much simpler in that we are moving a dump of the MySQL database held within the MOPS. • The IPP-PSPS interface is more complicated than that for MOP-PSPS ...
CS206 --- Electronic Commerce
... Each statement issued at the generic query interface is a transaction by itself. In programming interfaces like Embedded SQL or PSM, a transaction begins the first time a SQL statement is executed and ends with the program or an explicit transactionend. ...
... Each statement issued at the generic query interface is a transaction by itself. In programming interfaces like Embedded SQL or PSM, a transaction begins the first time a SQL statement is executed and ends with the program or an explicit transactionend. ...
Chapter 1: Introduction
... (correct) state despite system failures (e.g., power failures and operating system crashes) and transaction failures. • Concurrency-control manager controls the interaction among the concurrent transactions, to ensure the consistency of the database. Hankz Hankui Zhuo: http://www.zsusoft.com/~hankz ...
... (correct) state despite system failures (e.g., power failures and operating system crashes) and transaction failures. • Concurrency-control manager controls the interaction among the concurrent transactions, to ensure the consistency of the database. Hankz Hankui Zhuo: http://www.zsusoft.com/~hankz ...
Relational Model
... Relational Model: Summary A tabular representation of data. Simple and intuitive, currently the most widely used. Integrity constraints can be specified by the DBA, based on application semantics. DBMS checks for violations. ...
... Relational Model: Summary A tabular representation of data. Simple and intuitive, currently the most widely used. Integrity constraints can be specified by the DBA, based on application semantics. DBMS checks for violations. ...
On the Information Content of Semi-Structured
... LL95] as our data model for semi-structured data. The hypernode model is well-suited for this task as it is a graph-based data model that supports both complex objects of arbitrary structure and cyclic references between such objects. There have been several other previous proposals for graphbased d ...
... LL95] as our data model for semi-structured data. The hypernode model is well-suited for this task as it is a graph-based data model that supports both complex objects of arbitrary structure and cyclic references between such objects. There have been several other previous proposals for graphbased d ...
customer-name
... Find the name of employees who work on all the projects controlled by department number 5. One way of specifying this query is by using the universal quantifier as shown. Q3: {e.LNAME, e.FNAME | EMPLOYEE(e) and (( x)(not(PROJECT(x))or not(x.DNUM=5) Or( ( w)(WORKS_ON(w) and w.ESSN=e.SSN and ...
... Find the name of employees who work on all the projects controlled by department number 5. One way of specifying this query is by using the universal quantifier as shown. Q3: {e.LNAME, e.FNAME | EMPLOYEE(e) and (( x)(not(PROJECT(x))or not(x.DNUM=5) Or( ( w)(WORKS_ON(w) and w.ESSN=e.SSN and ...
How do I Backup Best Practice Software?
... Backups of your Best Practice database can be performed via 3rd party applications. However, we strongly recommend that a BP Backup (as described above) is performed on a regular basis as this provides the easiest restore mechanism. When using 3rd party backup software that has an SQL agent, the use ...
... Backups of your Best Practice database can be performed via 3rd party applications. However, we strongly recommend that a BP Backup (as described above) is performed on a regular basis as this provides the easiest restore mechanism. When using 3rd party backup software that has an SQL agent, the use ...
A Workflow to Support Forensic Database Analysis
... This statement does not signal any transfer of copyright away from the author. ...
... This statement does not signal any transfer of copyright away from the author. ...
Semistructural databases and XML
... Semantics of operations on values of XML type is specified by assuming a tree-based internal representation based on the XML Information Set Recommendation (Infoset). The Infoset model is modified in one significant way: the document information item of Infoset is replaced by a new kind of informati ...
... Semantics of operations on values of XML type is specified by assuming a tree-based internal representation based on the XML Information Set Recommendation (Infoset). The Infoset model is modified in one significant way: the document information item of Infoset is replaced by a new kind of informati ...
Introduction to LINQ - Ganesan Muthiah's Blog
... It works with other databases (I'm currently using it with Oracle) It properly seperates the structural model from the conceptual entity ...
... It works with other databases (I'm currently using it with Oracle) It properly seperates the structural model from the conceptual entity ...
ETH
... Background – Symbolic Execution 1/3 Borrow the concept from symbolic execution A well known program verification technique Represent values of program variables with symbolic values instead of concrete data ...
... Background – Symbolic Execution 1/3 Borrow the concept from symbolic execution A well known program verification technique Represent values of program variables with symbolic values instead of concrete data ...
How AIR is Different From Flex
... You can think of AIR as a superset or a shell for Flex, Flash, and AJAX programs. First of all, AIR includes the API for working with files on the user’s computer, while Flex has very limited access to the disk (file uploading and local shared objects via advanced cookies). The user can run an AIR a ...
... You can think of AIR as a superset or a shell for Flex, Flash, and AJAX programs. First of all, AIR includes the API for working with files on the user’s computer, while Flex has very limited access to the disk (file uploading and local shared objects via advanced cookies). The user can run an AIR a ...
12 Rules for a Cloud Data Management System (CDMS)
... storage in M non-collocated places, stored in RAM in N ...
... storage in M non-collocated places, stored in RAM in N ...
Information paper database recovery
... messages that were actually sent (but where the ACK has not been received by the back office) from the messages that were in Access but not yet sent. In summary, it is possible for the customer to implement procedures recovering lost operational data. This recovery process is however complex to impl ...
... messages that were actually sent (but where the ACK has not been received by the back office) from the messages that were in Access but not yet sent. In summary, it is possible for the customer to implement procedures recovering lost operational data. This recovery process is however complex to impl ...
this PDF file
... Conventional database systems are designed to capture current data. As soon as new data values become known, existing data values are replaced. Although, such databases serve many applications well, they are insufficient for applications which have to consider past and (or) possible future states. C ...
... Conventional database systems are designed to capture current data. As soon as new data values become known, existing data values are replaced. Although, such databases serve many applications well, they are insufficient for applications which have to consider past and (or) possible future states. C ...
How to Implement FSQL and Priority Queries
... Abstract: Intelligent databases are a developing field since the early nineties. Using fuzzy numbers to model imprecise information is a well-known concept. In this paper, we will show how to implement FSQL queries that can also handle priority. FSQL is actually a superset of SQL, thus queries that ...
... Abstract: Intelligent databases are a developing field since the early nineties. Using fuzzy numbers to model imprecise information is a well-known concept. In this paper, we will show how to implement FSQL queries that can also handle priority. FSQL is actually a superset of SQL, thus queries that ...
Oracle Database HA Technical Comparison
... expensive downtime. Furthermore, Oracle Database offers the Fast Recovery Area, which is a unified disk-based storage location for all recovery-related files and activities in an Oracle database. The automation and integration between RMAN and Fast Recovery Area provide an enhanced disk-based backup ...
... expensive downtime. Furthermore, Oracle Database offers the Fast Recovery Area, which is a unified disk-based storage location for all recovery-related files and activities in an Oracle database. The automation and integration between RMAN and Fast Recovery Area provide an enhanced disk-based backup ...
(Intro) Hello. I am Paul, the virtual instructor for this... Replay e-learning course.
... drill down into more granular reports if needed. In this example, the results show that 618 SQL statements were executed and that they all matched perfectly, giving 100 percent accuracy. The report consolidates all the matching SQL statements to a list of 35 unique SQL statements. No unmatched state ...
... drill down into more granular reports if needed. In this example, the results show that 618 SQL statements were executed and that they all matched perfectly, giving 100 percent accuracy. The report consolidates all the matching SQL statements to a list of 35 unique SQL statements. No unmatched state ...
extended version - Department of Computer Science, University of
... ΦU admit probability computation in polynomial time and can be derived in polynomial time from Φ. The first step from the above lineage compilation is also used for computing tractable non-repeating queries with negation [12] and so-called inversion-free unions of conjunctive queries [21]. The proce ...
... ΦU admit probability computation in polynomial time and can be derived in polynomial time from Φ. The first step from the above lineage compilation is also used for computing tractable non-repeating queries with negation [12] and so-called inversion-free unions of conjunctive queries [21]. The proce ...
A Review on Partitioning Techniques in Database
... splitting and merging. NURP-II uses a single query which helps to increase the execution speed. NRUP-III starts automating the partition when data is increasing gradually. NRUP is efficiently used for partitioning of large databases which leads into a good advantage of this method because this autom ...
... splitting and merging. NURP-II uses a single query which helps to increase the execution speed. NRUP-III starts automating the partition when data is increasing gradually. NRUP is efficiently used for partitioning of large databases which leads into a good advantage of this method because this autom ...
