
Design and Implementation of a Document Database Extension
... characters of fixed or variable length, containing information about a text fragment. Thus, the string contains information which has one dimension, a word which has a certain meaning in the appropriate context. A document, however, consists of content, structure and meta data, and is therefore a mu ...
... characters of fixed or variable length, containing information about a text fragment. Thus, the string contains information which has one dimension, a word which has a certain meaning in the appropriate context. A document, however, consists of content, structure and meta data, and is therefore a mu ...
Chapter 3 OSI Model
... – With different specifications nodes were unable to communicate with each other • To address problem ISO researched various network schemes – Need to create a NETWORK MODEL – Help vendors create interoperable network ...
... – With different specifications nodes were unable to communicate with each other • To address problem ISO researched various network schemes – Need to create a NETWORK MODEL – Help vendors create interoperable network ...
02010_PPT_ch10
... • Logical unit of work that must be either entirely completed or aborted • Successful transaction changes database from one consistent state to another – One in which all data integrity constraints are satisfied ...
... • Logical unit of work that must be either entirely completed or aborted • Successful transaction changes database from one consistent state to another – One in which all data integrity constraints are satisfied ...
B.Tech in IT - Karnataka State Open University
... LAPLACE-TRANSFORMS AND ITS APPLICATIONS Laplace-transforms of elementary functions, Properties of Laplacetransforms, Existence conditions, transforms of derivatives, Transforms of Integrals, Multiplications by tn, division by tn, Evaluation of integrals by Laplace –transforms, Laplace-transforms of ...
... LAPLACE-TRANSFORMS AND ITS APPLICATIONS Laplace-transforms of elementary functions, Properties of Laplacetransforms, Existence conditions, transforms of derivatives, Transforms of Integrals, Multiplications by tn, division by tn, Evaluation of integrals by Laplace –transforms, Laplace-transforms of ...
CS 579 Database Systems
... 1. The primary key of Emps is empno The values of empno are all unique and non-null Every employee has a single empno, a single ename, and a single addr, but moreover … 2. Every employee has a single deptno However, multiple employees could have the same deptno There's a 1:M relationship betwe ...
... 1. The primary key of Emps is empno The values of empno are all unique and non-null Every employee has a single empno, a single ename, and a single addr, but moreover … 2. Every employee has a single deptno However, multiple employees could have the same deptno There's a 1:M relationship betwe ...
3 Architecture
... For this topology DB2 was installed on two separate servers. The first server performed the role of the primary IBM TADDM database, the secondary server was the standby database. This data was kept synchronized using HADR mechanism. HADR setup The HADR feature provides a highly available solution fo ...
... For this topology DB2 was installed on two separate servers. The first server performed the role of the primary IBM TADDM database, the secondary server was the standby database. This data was kept synchronized using HADR mechanism. HADR setup The HADR feature provides a highly available solution fo ...
DataBase Management Systems Lecture Notes
... Object-oriented database systems 1990s: Large decision support and data-mining applications Large multi-terabyte data warehouses Emergence of Web commerce 2000s: XML and XQuery standards Automated database administration Entity Relational Model (E-R Model) The E-R model can be used to de ...
... Object-oriented database systems 1990s: Large decision support and data-mining applications Large multi-terabyte data warehouses Emergence of Web commerce 2000s: XML and XQuery standards Automated database administration Entity Relational Model (E-R Model) The E-R model can be used to de ...
Databases
... – Often the same information was stored in multiple master files. – Made it more difficult to effectively integrate data and obtain an organization-wide view of the data. – Also, the same information may not have been consistent between files. • If a student changed his phone number, it may have bee ...
... – Often the same information was stored in multiple master files. – Made it more difficult to effectively integrate data and obtain an organization-wide view of the data. – Also, the same information may not have been consistent between files. • If a student changed his phone number, it may have bee ...
Principles of Computer Assisted Audit Techniques
... When designing CAATs, the auditor is often confronted with this situation, a computer file that comprises different types of records. Some records in the file may be of audit interest, and others not. Some records may need to be tested in one way and others in a different manner. The auditor will ne ...
... When designing CAATs, the auditor is often confronted with this situation, a computer file that comprises different types of records. Some records in the file may be of audit interest, and others not. Some records may need to be tested in one way and others in a different manner. The auditor will ne ...
UPDATE - Kolos
... seconds_in_wait – If the session is currently waiting, then the value is the amount of time waited for the current wait. If the session is not in a wait, then the value is the ...
... seconds_in_wait – If the session is currently waiting, then the value is the amount of time waited for the current wait. If the session is not in a wait, then the value is the ...
Notes
... • deduct from one account and credit to another If one steps succeeds and the other fails, database is in an inconsistent state Therefore, either both steps should succeed or neither should ...
... • deduct from one account and credit to another If one steps succeeds and the other fails, database is in an inconsistent state Therefore, either both steps should succeed or neither should ...
Chapter 11 - Computer Science
... new nation, conceived in liberty, and dedicated to the proposition that all men are created equal. ...
... new nation, conceived in liberty, and dedicated to the proposition that all men are created equal. ...
All Things Database Encryption
... Encrypting entire database is feasible 5% to 10% CPU performance impact for one customer on high transaction volume tables ...
... Encrypting entire database is feasible 5% to 10% CPU performance impact for one customer on high transaction volume tables ...
Accelerating Business Intelligence with Oracle TimesTen In
... • Compressed data remains available for online access • Space reduction of over 5x on sample customer data ...
... • Compressed data remains available for online access • Space reduction of over 5x on sample customer data ...
Microsoft SQL Server Administration
... • WITH COPY_ONLY (new to SQL 2005) – Does not disturb normal backup flow or interrupt normal log backup/restore process – Use on an ad-hoc basis before running potentially harmful queries ...
... • WITH COPY_ONLY (new to SQL 2005) – Does not disturb normal backup flow or interrupt normal log backup/restore process – Use on an ad-hoc basis before running potentially harmful queries ...
Data Analyst and Application Support Officer
... Define hardware and software standards in conjunction with application 3rd party suppliers and other members of ICT. Monitoring of Database Availability and Backups Ensure that the supply of data to 3rd party suppliers has been fully assessed, as suitable to provide, and satisfies the requirements o ...
... Define hardware and software standards in conjunction with application 3rd party suppliers and other members of ICT. Monitoring of Database Availability and Backups Ensure that the supply of data to 3rd party suppliers has been fully assessed, as suitable to provide, and satisfies the requirements o ...
Logic and Databases
... Equivalence of Relational Algebra and Calculus Theorem: If q is a k-ary query, then the following statements are equivalent: 1. There is a relational algebra expression E such that q(D) = E(D), for every database instance D (in other words, q is expressible in relational algebra). 2. There is a rel ...
... Equivalence of Relational Algebra and Calculus Theorem: If q is a k-ary query, then the following statements are equivalent: 1. There is a relational algebra expression E such that q(D) = E(D), for every database instance D (in other words, q is expressible in relational algebra). 2. There is a rel ...
r – s
... For one-to-one relationship sets, the relation’s primary key can be that of either entity set. For many-to-many relationship sets, the union of the primary keys 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 sets, the union of the primary keys becomes the relation’s primary key ...
SQL and Java
... SQL and Other Languages • Combining SQL and another language • Use SQL to run queries on the database • Use another language (Java, C, etc) to do the rest of the work: e.g. user interface, or complicated processing • Need an interface between the two SQL and Java ...
... SQL and Other Languages • Combining SQL and another language • Use SQL to run queries on the database • Use another language (Java, C, etc) to do the rest of the work: e.g. user interface, or complicated processing • Need an interface between the two SQL and Java ...
SQL and Java In this Lecture SQL and Other Languages JDBC
... SQL and Other Languages • Combining SQL and another language • Use SQL to run queries on the database • Use another language (Java, C, etc) to do the rest of the work: e.g. user interface, or complicated processing • Need an interface between the two ...
... SQL and Other Languages • Combining SQL and another language • Use SQL to run queries on the database • Use another language (Java, C, etc) to do the rest of the work: e.g. user interface, or complicated processing • Need an interface between the two ...
Effective Use of SQL in SAS Programming
... SQL is primarily designed as a programming language to work with relational databases. Many of the features of SQL are directly related to database activities such as retrieving data, updating or deleting data, and so on. In relational databases, relations or tables are associated to each other by p ...
... SQL is primarily designed as a programming language to work with relational databases. Many of the features of SQL are directly related to database activities such as retrieving data, updating or deleting data, and so on. In relational databases, relations or tables are associated to each other by p ...
Database model

A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.