Semantic Database Presentation - Florida International University
... • Semantic Wrapper: a portable, autonomous, stand-alone/ multi-database component tool for legacy databases. • Semantic Access via ODBC. • CORBA compliant components. ...
... • Semantic Wrapper: a portable, autonomous, stand-alone/ multi-database component tool for legacy databases. • Semantic Access via ODBC. • CORBA compliant components. ...
s of Querying a Database
... • GROUP BY clause can become much more complex with the addition of OLAP functionality, and otherwise – For the purposes of database administration, details of OLAP are not required and are out of the scope of this book Oracle 10g Database Administrator: Implementation and Administration ...
... • GROUP BY clause can become much more complex with the addition of OLAP functionality, and otherwise – For the purposes of database administration, details of OLAP are not required and are out of the scope of this book Oracle 10g Database Administrator: Implementation and Administration ...
Learning PHP and MySQL: by Knowledge flow
... These are nested queries. A query that is in another query and this is embedded within the where clause. Sub-Queries are usually used to return data which will be further used in the main query. Rules of Sub- queries It has to be enclosed within parenthesis. It can have only one column in SELECT cla ...
... These are nested queries. A query that is in another query and this is embedded within the where clause. Sub-Queries are usually used to return data which will be further used in the main query. Rules of Sub- queries It has to be enclosed within parenthesis. It can have only one column in SELECT cla ...
Formal Relational Query Languages
... We define additional operations that do not add any power to the relational algebra, but that simplify common queries. ...
... We define additional operations that do not add any power to the relational algebra, but that simplify common queries. ...
Query Acceleration of Oracle Database 12c In
... Database 12c operates, existing applications can be used without any modification. Oracle Database In-Memory provides both the row format suitable for OLTP and the new column format for analytics processing in memory at the same time; accelerating processing for both workloads. As in conventional sy ...
... Database 12c operates, existing applications can be used without any modification. Oracle Database In-Memory provides both the row format suitable for OLTP and the new column format for analytics processing in memory at the same time; accelerating processing for both workloads. As in conventional sy ...
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... clutter of storage representation details. This implementation independence coupled with the power of the algebraic operators on n-ary relations and the open questions concerning dependencies (functional, multivalued, and join) within and between relations have stimulated research in database manage ...
... clutter of storage representation details. This implementation independence coupled with the power of the algebraic operators on n-ary relations and the open questions concerning dependencies (functional, multivalued, and join) within and between relations have stimulated research in database manage ...
Migration and Deployment Strategies for IT Assistant on Microsoft
... workstations and Dell PowerConnect™ switches. ITA consists of two tiers that can be installed on separate systems. The user interface tier (GUI) provides the interface to monitor and manage the devices on the network. This tier can be installed on multiple systems. The network monitoring and databas ...
... workstations and Dell PowerConnect™ switches. ITA consists of two tiers that can be installed on separate systems. The user interface tier (GUI) provides the interface to monitor and manage the devices on the network. This tier can be installed on multiple systems. The network monitoring and databas ...
XML In An RDBMS World
... Relational Database – highly structured data such as account balances, inventory quantities, etc.) Document Database – used to store documents, probably in XML format The same DB can serve as both, e.g., Oracle ...
... Relational Database – highly structured data such as account balances, inventory quantities, etc.) Document Database – used to store documents, probably in XML format The same DB can serve as both, e.g., Oracle ...
Lore: A Database Management System for
... To set the stage for our discussion of the Lore system, we rst introduce its data model and query language. For motivation and further details see [AQM+ 96]. 2.1 The Object Exchange Model The Object Exchange Model (OEM) [PGMW95] is designed for semistructured data. Data in this model can be thought ...
... To set the stage for our discussion of the Lore system, we rst introduce its data model and query language. For motivation and further details see [AQM+ 96]. 2.1 The Object Exchange Model The Object Exchange Model (OEM) [PGMW95] is designed for semistructured data. Data in this model can be thought ...
SAP – SQL Server Development
... SQL Server considers the actual values in the WHERE condition when it optimizes the execution plan. By default, the cached execution plan will be re-used, disregarding the parameter values in the WHERE condition. ...
... SQL Server considers the actual values in the WHERE condition when it optimizes the execution plan. By default, the cached execution plan will be re-used, disregarding the parameter values in the WHERE condition. ...
Manipulating Data
... A more efficient method of emptying a table is with the TRUNCATE statement. You can use the TRUNCATE statement to quickly remove all rows from a table or cluster. Removing rows with the TRUNCATE statement is faster than removing them with the DELETE statement for the following reasons: • The TRUNCAT ...
... A more efficient method of emptying a table is with the TRUNCATE statement. You can use the TRUNCATE statement to quickly remove all rows from a table or cluster. Removing rows with the TRUNCATE statement is faster than removing them with the DELETE statement for the following reasons: • The TRUNCAT ...
Cryptography and Relational Database Management Systems
... complementary to access control and both should be used to guide the storage and access of con dential data in a database system. When we consider integrating cryptographic support into an RDBMS, there are three general approaches. The rst approach is loose coupling. A third-party crypto service c ...
... complementary to access control and both should be used to guide the storage and access of con dential data in a database system. When we consider integrating cryptographic support into an RDBMS, there are three general approaches. The rst approach is loose coupling. A third-party crypto service c ...
Distributed Databases - Internet Database Lab.
... A distributed database system consists of loosely coupled sites that share ...
... A distributed database system consists of loosely coupled sites that share ...
208_Summarization CS 257
... asking queries LAV: Local as view mediators, defines the global predicates at the mediator, but we do not define these predicates as views of the source of data Global expressions are defined for each source involving global predicates that describe the tuple that source is able to produce and queri ...
... asking queries LAV: Local as view mediators, defines the global predicates at the mediator, but we do not define these predicates as views of the source of data Global expressions are defined for each source involving global predicates that describe the tuple that source is able to produce and queri ...
Requirements for XML Document Database Systems
... On the other hand, XML will also be used in ways SGML and HTML were not, most notably as the data exchange format between different applications. As was the situation with dynamically created HTML documents, in the new areas there is not necessarily a need for persistent storage of XML documents. Of ...
... On the other hand, XML will also be used in ways SGML and HTML were not, most notably as the data exchange format between different applications. As was the situation with dynamically created HTML documents, in the new areas there is not necessarily a need for persistent storage of XML documents. Of ...
Document
... 1. For each data item Q, if transaction Ti reads the initial value of Q in schedule S, then transaction Ti must, in schedule S´, also read the initial value of Q. 2. For each data item Q if transaction Ti executes read(Q) in schedule S, and that value was produced by transaction Tj (if any), then tr ...
... 1. For each data item Q, if transaction Ti reads the initial value of Q in schedule S, then transaction Ti must, in schedule S´, also read the initial value of Q. 2. For each data item Q if transaction Ti executes read(Q) in schedule S, and that value was produced by transaction Tj (if any), then tr ...
Optimizing Large Data Handling in SAP ASE for Better
... SAP ADAPTIVE SERVER ENTERPRISE AND VLDB SAP Adaptive Server® Enterprise (ASE) offers a versatile high performance enterprise-class relational database management system that is well suited for mission-critical, data-intensive environments. It is designed to handle the most demanding OLTP (online tra ...
... SAP ADAPTIVE SERVER ENTERPRISE AND VLDB SAP Adaptive Server® Enterprise (ASE) offers a versatile high performance enterprise-class relational database management system that is well suited for mission-critical, data-intensive environments. It is designed to handle the most demanding OLTP (online tra ...
DBA327
... SQL Injection Class of attack where attacker can insert or manipulate queries created by the application which are send to backend Why does SQL injection work? Application accepts arbitrary user input Trusting the user to provide well-formed data ...
... SQL Injection Class of attack where attacker can insert or manipulate queries created by the application which are send to backend Why does SQL injection work? Application accepts arbitrary user input Trusting the user to provide well-formed data ...
Oracle Database Backup-and-Recovery Best Practices and New
... • Use Undo Advisor (available through Enterprise Manager) to get recommendations on available undo retention for various sizes. • Use fixed size undo – Undo retention automatically tuned for best possible retention based on tablespace size and current system load. ...
... • Use Undo Advisor (available through Enterprise Manager) to get recommendations on available undo retention for various sizes. • Use fixed size undo – Undo retention automatically tuned for best possible retention based on tablespace size and current system load. ...
cs.jyu.fi
... (“declarations, elements, comments, character references, and processing instructions, all of which are indicated in the document by explicit markup”) and physical structures (entities, which may include entity references). The text stored within these structures may represent character data, markup ...
... (“declarations, elements, comments, character references, and processing instructions, all of which are indicated in the document by explicit markup”) and physical structures (entities, which may include entity references). The text stored within these structures may represent character data, markup ...
A Development Tool for VoiceXML
... Each event is scoped in the entire document. The voice used to throw an event is defined by the grammar element and is formed by prefixing the “ backslash”to each event name to reduce the conflict with normal user input. The event handlers are implemented using the catch element. For example, the ev ...
... Each event is scoped in the entire document. The voice used to throw an event is defined by the grammar element and is formed by prefixing the “ backslash”to each event name to reduce the conflict with normal user input. The event handlers are implemented using the catch element. For example, the ev ...