Design and Implementation of Database Intrusion Detection System
... Research work in the field of database intrusion detection has been going on for more than two decades. The approaches used in detecting database intrusions mainly include data mining and traditional security measures. Chung et al. [6] presents a misuse detection system called DEMIDS which is person ...
... Research work in the field of database intrusion detection has been going on for more than two decades. The approaches used in detecting database intrusions mainly include data mining and traditional security measures. Chung et al. [6] presents a misuse detection system called DEMIDS which is person ...
IBM Research Report
... Select top 5 suppliers for each product category for last year, based on total sales. For each product category, select total sales this month of the product that had highest sales in that category last month. Select suppliers that currently sell the highest selling product of last month. Select sup ...
... Select top 5 suppliers for each product category for last year, based on total sales. For each product category, select total sales this month of the product that had highest sales in that category last month. Select suppliers that currently sell the highest selling product of last month. Select sup ...
IBM Software Technical Document
... SQL indexes created when the sort sequence active at the time of creation requires a weighting (translation) of the key to occur. This is true when any of several non-US language IDs are specified. It also occurs if language ID shared weight is specified, even for language US. ...
... SQL indexes created when the sort sequence active at the time of creation requires a weighting (translation) of the key to occur. This is true when any of several non-US language IDs are specified. It also occurs if language ID shared weight is specified, even for language US. ...
Efficiently Processing Queries on Interval-and
... the different data types. Several different approaches to support overlap queries on interval data exist in the literature, some of them also admitting the combined evaluation of selections on simple attributes (cf. Section 2). However, these algorithms usually are based either on the augmentation o ...
... the different data types. Several different approaches to support overlap queries on interval data exist in the literature, some of them also admitting the combined evaluation of selections on simple attributes (cf. Section 2). However, these algorithms usually are based either on the augmentation o ...
Keyword-based Search in a Relational Database
... 3.3 A directed weighted graph representation of the keyword query IJsbrand Hanning Riga 1744…..………………………..…..…… 8 3.4 Graph II IJsbrand Hanning Riga 1744......………….……………………………………………………………………………………………….…………. 10 4.1 Experimental results keyword query A……………………………………………………………………………………………………………….……..... ...
... 3.3 A directed weighted graph representation of the keyword query IJsbrand Hanning Riga 1744…..………………………..…..…… 8 3.4 Graph II IJsbrand Hanning Riga 1744......………….……………………………………………………………………………………………….…………. 10 4.1 Experimental results keyword query A……………………………………………………………………………………………………………….……..... ...
Chapter 3 Effects of IT on Strategy and Competition
... • A rule used to ensure accuracy and integrity of data • A mechanism used to protect – the relationship between data within an Oracle table, or – the correspondence between data in two different tables. – For example, the state entered must be one of the 50 states in the U.S. Dr. Chen, Oracle Databa ...
... • A rule used to ensure accuracy and integrity of data • A mechanism used to protect – the relationship between data within an Oracle table, or – the correspondence between data in two different tables. – For example, the state entered must be one of the 50 states in the U.S. Dr. Chen, Oracle Databa ...
Transactions
... Advantage If the locking behavior needs to be changed, only the lock declaration need be changed, not the application program ...
... Advantage If the locking behavior needs to be changed, only the lock declaration need be changed, not the application program ...
Transaction Management and Concurrency Control
... to a database may consist of Simple SELECT statement to generate a list of table contents A series of related UPDATE statements to change the values of attributes in various tables A series of INSERT statements to add rows to one or more tables A combination of SELECT, UPDATE, and INSERT sta ...
... to a database may consist of Simple SELECT statement to generate a list of table contents A series of related UPDATE statements to change the values of attributes in various tables A series of INSERT statements to add rows to one or more tables A combination of SELECT, UPDATE, and INSERT sta ...
Security features in Oracle database management system
... efficiently. Every large-scale application that we use today is supported by a database management system that manages and stores data. Ensuring the security of information we store in these databases is very important. Security plays a huge role in carrying out this responsibility in both user leve ...
... efficiently. Every large-scale application that we use today is supported by a database management system that manages and stores data. Ensuring the security of information we store in these databases is very important. Security plays a huge role in carrying out this responsibility in both user leve ...
슬라이드 1 - Pusan
... Step 1: use index to find first index entry v and Step 2: scan index sequentially to find pointers to records. scan leaf nodes of index finding pointers to records, till first entry > v ...
... Step 1: use index to find first index entry v and Step 2: scan index sequentially to find pointers to records. scan leaf nodes of index finding pointers to records, till first entry > v ...
Lab07_Triggers
... A database trigger is a stored PL/SQL program unit associated with a specific database table. ORACLE executes (fires) a database trigger automatically when a given SQL operation (like INSERT, UPDATE or DELETE) affects the table. Unlike a procedure, or a function, which must be invoked explicitly, d ...
... A database trigger is a stored PL/SQL program unit associated with a specific database table. ORACLE executes (fires) a database trigger automatically when a given SQL operation (like INSERT, UPDATE or DELETE) affects the table. Unlike a procedure, or a function, which must be invoked explicitly, d ...
![37] C. Mohan and F. Levine. ARIES/IM an e cient](http://s1.studyres.com/store/data/007913026_1-c3d89e6fbde14ed6f6670e835f6e29bb-300x300.png)
37] C. Mohan and F. Levine. ARIES/IM an e cient
... MM-ODE includes a compiler (O++) which supports a small superset of the C++ syntax. We now provide a brief overview of these high-level interfaces to Dal . ...
... MM-ODE includes a compiler (O++) which supports a small superset of the C++ syntax. We now provide a brief overview of these high-level interfaces to Dal . ...
r – s
... entity sets becomes a super key of the relation. For binary many-to-one relationship sets, the primary key of the “many” entity set becomes the relation’s primary key. For one-to-one relationship sets, the relation’s primary key can be that of either entity set. For many-to-many relationship s ...
... entity sets becomes a super key of the relation. For binary many-to-one relationship sets, the primary key of the “many” entity set becomes the relation’s primary key. For one-to-one relationship sets, the relation’s primary key can be that of either entity set. For many-to-many relationship s ...
OracleSQL1Plus
... • Execute SQL from SQL*Plus. • Save SQL statements to files and append SQL statements to files. • Execute saved files. ...
... • Execute SQL from SQL*Plus. • Save SQL statements to files and append SQL statements to files. • Execute saved files. ...
Database Design Section The Second Data Models
... • Size - For sheer speed of manipulation, for the typical object size less than 1MB, Books Online suggests using storage in a varchar(max). If objects are going to be more than 2GB, you must use one of the filestream ...
... • Size - For sheer speed of manipulation, for the typical object size less than 1MB, Books Online suggests using storage in a varchar(max). If objects are going to be more than 2GB, you must use one of the filestream ...
Oracle Migration Workbench Reference Guide for MySQL 3.22, 3.23
... Other Oracle Features .................................................................................................................. Preparing for Migration..................................................................................................................... Extending the Applicat ...
... Other Oracle Features .................................................................................................................. Preparing for Migration..................................................................................................................... Extending the Applicat ...
A*: Algebra for an Extended Object/Relational Model
... way. In particular, the user does not need to know how data are physically stored in the database. Besides, relational algebra shows more easily some equivalencies between the algebraic language expressions. The power of language expression is an important question. The limits of relational algebra ...
... way. In particular, the user does not need to know how data are physically stored in the database. Besides, relational algebra shows more easily some equivalencies between the algebraic language expressions. The power of language expression is an important question. The limits of relational algebra ...
Read Chapter 2.1
... Lines link attributes to entity sets and entity sets to relationship sets. Ellipses represent attributes Double ellipses represent multivalued attributes. Dashed ellipses denote derived attributes. Underline indicates primary key attributes Database System Concepts ...
... Lines link attributes to entity sets and entity sets to relationship sets. Ellipses represent attributes Double ellipses represent multivalued attributes. Dashed ellipses denote derived attributes. Underline indicates primary key attributes Database System Concepts ...
Fundamentals of Database Systems
... Unary Relational Operations (cont.) Rename Operation We may want to apply several relational algebra operations one after the other. Either we can write the operations as a single relational algebra expression by nesting the operations, or we can apply one operation at a time and create intermedi ...
... Unary Relational Operations (cont.) Rename Operation We may want to apply several relational algebra operations one after the other. Either we can write the operations as a single relational algebra expression by nesting the operations, or we can apply one operation at a time and create intermedi ...
s of Querying a Database
... statement and its various additional clauses • It is essential that you know the basics of the SELECT statement to be able to use SQL*Plus effectively as a database administrator • Numerous advanced query types available in an Oracle database, including joins, subqueries, and other specialized queri ...
... statement and its various additional clauses • It is essential that you know the basics of the SELECT statement to be able to use SQL*Plus effectively as a database administrator • Numerous advanced query types available in an Oracle database, including joins, subqueries, and other specialized queri ...
Data concurrency
... transaction are locked for the duration of that transaction. With this isolation level, any SELECT statement that is issued more than once within the same transaction will always yield the same results; lost updates, dirty reads, nonrepeatable reads, and phantoms cannot occur. Transactions using the ...
... transaction are locked for the duration of that transaction. With this isolation level, any SELECT statement that is issued more than once within the same transaction will always yield the same results; lost updates, dirty reads, nonrepeatable reads, and phantoms cannot occur. Transactions using the ...