Chapter # 8 (Advanced SQL)
... equivalent value in another data type Oracle conversion functions: TO_CHAR: takes a date value, converts to character string TO_DATE: takes character string representing a date, converts it to actual date in Oracle format SQL Server uses CAST and CONVERT functions ...
... equivalent value in another data type Oracle conversion functions: TO_CHAR: takes a date value, converts to character string TO_DATE: takes character string representing a date, converts it to actual date in Oracle format SQL Server uses CAST and CONVERT functions ...
a c++ distributed database select-project-join query
... Users describe their data on a DBMS with high-level abstractions, called data models. There are various data models suitable for specific tasks such as hierarchical, network, relational and object-relational models. This study focuses on commonly used relational data model which was introduced in [C ...
... Users describe their data on a DBMS with high-level abstractions, called data models. There are various data models suitable for specific tasks such as hierarchical, network, relational and object-relational models. This study focuses on commonly used relational data model which was introduced in [C ...
Preventing, Detecting, and Repairing Block Corruption: Oracle
... A data block is corrupted when it is not in a recognized Oracle Database format, or its contents are not internally consistent. Data block corruption can damage internal Oracle control information or application and user data, leading to crippling loss of critical data and services. Block corruption ...
... A data block is corrupted when it is not in a recognized Oracle Database format, or its contents are not internally consistent. Data block corruption can damage internal Oracle control information or application and user data, leading to crippling loss of critical data and services. Block corruption ...
Couchbase Server 4.5: What`s New
... Then again, maybe you prefer the command line. If you’ve taken sides in the editor war, Vi versus Emacs, the query shell (CBQ) is for you. It’s not new, but we’ve made it more advanced. With smart connection management, you can connect to the query service or to the cluster. Love your scripts? Well, ...
... Then again, maybe you prefer the command line. If you’ve taken sides in the editor war, Vi versus Emacs, the query shell (CBQ) is for you. It’s not new, but we’ve made it more advanced. With smart connection management, you can connect to the query service or to the cluster. Love your scripts? Well, ...
Data Resource Management
... distributed, and external databases. • Data warehouses are a central source of data from other databases that have been cleaned, transformed, and cataloged for business analysis and decision support applications. Copyright © 2006, The McGraw-Hill Companies, Inc. All rights reserved. ...
... distributed, and external databases. • Data warehouses are a central source of data from other databases that have been cleaned, transformed, and cataloged for business analysis and decision support applications. Copyright © 2006, The McGraw-Hill Companies, Inc. All rights reserved. ...
Techniques of OLAP and Association Rule Mining
... the desired result. OLAP uses multidimensional data model as a base which consists of fact table and dimensions tables, where fact is a numeric and dimensions are the measures used in the table. OLAP provides many operations which can be performed on the data cube as per the user need which include ...
... the desired result. OLAP uses multidimensional data model as a base which consists of fact table and dimensions tables, where fact is a numeric and dimensions are the measures used in the table. OLAP provides many operations which can be performed on the data cube as per the user need which include ...
Assessment Plan Computer Information System Degree Program FY 2010-2011
... Currently, the Computer Science Master's program requires the successful completion of a comprehensive exam as a prerequisite for the Master's Degree. This exam is given three times a year (in the Fall, Spring, and Summer semesters). The exam is developed and administered by a committee of graduate ...
... Currently, the Computer Science Master's program requires the successful completion of a comprehensive exam as a prerequisite for the Master's Degree. This exam is given three times a year (in the Fall, Spring, and Summer semesters). The exam is developed and administered by a committee of graduate ...
ReDRIVE: Result-Driven Database Exploration through
... many-answers problem range from reformulating the original query so as to restrict the size of its result (for example, by adding additional constraints to it (e.g., [17]) to automatically ranking the query results and presenting to the user only the top-k most highly ranked among them (e.g., [7]). ...
... many-answers problem range from reformulating the original query so as to restrict the size of its result (for example, by adding additional constraints to it (e.g., [17]) to automatically ranking the query results and presenting to the user only the top-k most highly ranked among them (e.g., [7]). ...
Database Availability Benchmark
... • Why look at database availability? – databases hold the critical hard state for most enterprise and e-business applications » the most important system component to keep available ...
... • Why look at database availability? – databases hold the critical hard state for most enterprise and e-business applications » the most important system component to keep available ...
PDF file - Jim Gray
... minor league game. The term “data warehouse” had not yet been coined, and many of the parallel technologies taking aim at decision support were still on the drawing board. Global competition had not yet forced corporations into serious self-examination, nor had it taught them to respect and cherish ...
... minor league game. The term “data warehouse” had not yet been coined, and many of the parallel technologies taking aim at decision support were still on the drawing board. Global competition had not yet forced corporations into serious self-examination, nor had it taught them to respect and cherish ...
Slide 1
... – Or any other language using callouts • Build your application-integrated file system in less than a day – Writing a basic read only file system view on the LOBs that are currently in your database application in 60 seconds! ...
... – Or any other language using callouts • Build your application-integrated file system in less than a day – Writing a basic read only file system view on the LOBs that are currently in your database application in 60 seconds! ...
r – s
... relation storing one part of the information E.g.: account : stores information about accounts depositor : stores information about which customer owns which account customer : stores information about customers Storing all information as a single relation such as bank(account-number, balance, cus ...
... relation storing one part of the information E.g.: account : stores information about accounts depositor : stores information about which customer owns which account customer : stores information about customers Storing all information as a single relation such as bank(account-number, balance, cus ...
1 CHAPTER 2 STUDY LITERATURE 2.1 General Theory 2.1.1 Data
... Large-scale data warehousing can become an exercise in data homogenization that lessens the value of the data. For example, when producing a consolidated and integrated view of the organization’s data, the warehouse designer may be tempted to emphasize similarities rather than differences in the dat ...
... Large-scale data warehousing can become an exercise in data homogenization that lessens the value of the data. For example, when producing a consolidated and integrated view of the organization’s data, the warehouse designer may be tempted to emphasize similarities rather than differences in the dat ...
Visual Basic and Databases
... In this information age, databases are everywhere: ⇒ When you go to the library and look up a book on their computer, you are accessing the library’s book database. ⇒ When you go on-line and purchase some product, you are accessing the web merchant’s product database. ⇒ Your friendly bank keeps all ...
... In this information age, databases are everywhere: ⇒ When you go to the library and look up a book on their computer, you are accessing the library’s book database. ⇒ When you go on-line and purchase some product, you are accessing the web merchant’s product database. ⇒ Your friendly bank keeps all ...
Hierarchical Model
... the entity set customer. It includes three fields: customer name, customer street, and customer city. Similarly, account is the record type corresponding to the entity set account. It includes two fields: account number and balance. Finally, the relationship depositor has been replaced with the link ...
... the entity set customer. It includes three fields: customer name, customer street, and customer city. Similarly, account is the record type corresponding to the entity set account. It includes two fields: account number and balance. Finally, the relationship depositor has been replaced with the link ...
MOTE-View Users Manual
... detection, etc. The second layer or Server layer provides data logging and database services. At this layer sensor readings arrive at the base station (e.g., MIB510, MIB600, or Stargate) and are stored on a server or Stargate. Finally, the third part is the client layer in which software tools provi ...
... detection, etc. The second layer or Server layer provides data logging and database services. At this layer sensor readings arrive at the base station (e.g., MIB510, MIB600, or Stargate) and are stored on a server or Stargate. Finally, the third part is the client layer in which software tools provi ...
Best practices ® Query optimization in a data warehouse
... This paper first outlines a summary of guidelines for defining the physical data model for the database and partitioning the data. However, the main focus of this document is on the collection of statistics and the analysis of query plans. The DB2 compiler uses a cost-based optimizer. Cost estimates ...
... This paper first outlines a summary of guidelines for defining the physical data model for the database and partitioning the data. However, the main focus of this document is on the collection of statistics and the analysis of query plans. The DB2 compiler uses a cost-based optimizer. Cost estimates ...
Aspects of Database Query Evaluation
... In words, there is a polynomial-time algorithm for the following problem: given a database D and a Boolean conjunctive query Q that is equivalent to some conjunctive query of ...
... In words, there is a polynomial-time algorithm for the following problem: given a database D and a Boolean conjunctive query Q that is equivalent to some conjunctive query of ...
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.