Knowledge management systems
... their proliferating data. In recent years, Oracle, IBM, Microsoft,and SAP have spent billions of dollars purchasing software firms that specialize in data management and business intelligence. In addition, many organizations are turning to NoSQL databases (think of them as “ not only SQL” databases) ...
... their proliferating data. In recent years, Oracle, IBM, Microsoft,and SAP have spent billions of dollars purchasing software firms that specialize in data management and business intelligence. In addition, many organizations are turning to NoSQL databases (think of them as “ not only SQL” databases) ...
MOOCdb: Developing Data Standards for MOOC Data Science
... Some of these scripts could be very general and widely applicable, for example: ”For every video component, provide the distribution of time spent by each student watching it?” and some would be specific for a research question, for example generation of data for Bayesian knowledge tracing on the p ...
... Some of these scripts could be very general and widely applicable, for example: ”For every video component, provide the distribution of time spent by each student watching it?” and some would be specific for a research question, for example generation of data for Bayesian knowledge tracing on the p ...
KorthDB6_ch25
... To find leaf, follow a child (if any) whose bounding box contains bounding box of data item, else child whose overlap with data item bounding box is maximum Handle overflows by splits (as in B+-trees) Split procedure is different though (see below) Adjust bounding boxes starting from the leaf ...
... To find leaf, follow a child (if any) whose bounding box contains bounding box of data item, else child whose overlap with data item bounding box is maximum Handle overflows by splits (as in B+-trees) Split procedure is different though (see below) Adjust bounding boxes starting from the leaf ...
OpenACS: robust web development framework
... This code block loops through a tv listings database looking for airings of Late Night with Conan O’Brien. The db_foreach command runs a loop, just like Tcl’s foreach command, but also fetches column variables for each row result, sets them in the code block environment and finally executes the code ...
... This code block loops through a tv listings database looking for airings of Late Night with Conan O’Brien. The db_foreach command runs a loop, just like Tcl’s foreach command, but also fetches column variables for each row result, sets them in the code block environment and finally executes the code ...
Recovery
... • Cascading rollback is a phenomenon where one transaction roll back causes another transaction to be rolled back • can be time-consuming ...
... • Cascading rollback is a phenomenon where one transaction roll back causes another transaction to be rolled back • can be time-consuming ...
original - Kansas State University
... Permits definition of procedures in SQL, with if-then-else statements, for and while loops, etc. more in Chapter 9 ...
... Permits definition of procedures in SQL, with if-then-else statements, for and while loops, etc. more in Chapter 9 ...
Why XML in the Database
... XSL Transforms in the server Enhanced XML Views for creating your own efficient representations of XML ...
... XSL Transforms in the server Enhanced XML Views for creating your own efficient representations of XML ...
integrity-security
... (select customer-name, account-number from depositor where nrow.account-number = depositor.account-number); insert into loan values (n.row.account-number, nrow.branch- ...
... (select customer-name, account-number from depositor where nrow.account-number = depositor.account-number); insert into loan values (n.row.account-number, nrow.branch- ...
Database System Concepts, 6 th Ed
... Quiz Q1: What happens if rs.getString(“salary”) is executed with a query “select * from instructor”: (A) A run time error occurs since the type of salary is numeric, not string (B) A compile time error occurs due to the type mismatch (C) The JDBC API automatically converts the numeric value to a str ...
... Quiz Q1: What happens if rs.getString(“salary”) is executed with a query “select * from instructor”: (A) A run time error occurs since the type of salary is numeric, not string (B) A compile time error occurs due to the type mismatch (C) The JDBC API automatically converts the numeric value to a str ...
Horticulture
... procedures info relaxing return used Ddesign (i.e., to guide resetting) the search a subset process of Dbest w/ new with a lower cost. best columns Sample workloaddo not improve Restart3.Step 3 if k searches Dbest or no design in Drelax‘s neighborhood. ...
... procedures info relaxing return used Ddesign (i.e., to guide resetting) the search a subset process of Dbest w/ new with a lower cost. best columns Sample workloaddo not improve Restart3.Step 3 if k searches Dbest or no design in Drelax‘s neighborhood. ...
docx
... Visual Basic for Applications (VBA, using Access Forms) development and deployment. Design ratification of databases for newly developed systems. Performance tuning and load testing of newly developed databases. VMware Labs management. ...
... Visual Basic for Applications (VBA, using Access Forms) development and deployment. Design ratification of databases for newly developed systems. Performance tuning and load testing of newly developed databases. VMware Labs management. ...
Outline of Database Attacks section
... Role-based access control (RBAC) models are receiving increasing attention as a generalized approach to access control because they provide several well-recognized advantages over more traditional ACLs. They have been discussed in details in [4] and in [7] and have, in fact, been formalized by NIST. ...
... Role-based access control (RBAC) models are receiving increasing attention as a generalized approach to access control because they provide several well-recognized advantages over more traditional ACLs. They have been discussed in details in [4] and in [7] and have, in fact, been formalized by NIST. ...
Data Access Records
... To simplify data access EGL provides custom record types, with “properties” that enable generation of native database and file I/O call APIs. You can write these custom records – or – allow RBD’s tooling to build or derive them from the relational tables and views you want to access. To get you ju ...
... To simplify data access EGL provides custom record types, with “properties” that enable generation of native database and file I/O call APIs. You can write these custom records – or – allow RBD’s tooling to build or derive them from the relational tables and views you want to access. To get you ju ...
session 14
... An Oracle database system can be quite large and serve many users. Therefore, it is often necessary for one person or a group of people to be responsible for managing the database system. The database administrator, or DBA, is the manager. DBA Responsibilities: 1. Installing and upgrading the Oracle ...
... An Oracle database system can be quite large and serve many users. Therefore, it is often necessary for one person or a group of people to be responsible for managing the database system. The database administrator, or DBA, is the manager. DBA Responsibilities: 1. Installing and upgrading the Oracle ...
Association Rules Mining for Incremental Database
... unknown and potentially useful) information or patterns from large information repositories such as relational database, data warehouses, XML repository, Many people take data mining as a synonym for another general term, Knowledge Discovery in Database (KDD). Alternatively other people treat Data M ...
... unknown and potentially useful) information or patterns from large information repositories such as relational database, data warehouses, XML repository, Many people take data mining as a synonym for another general term, Knowledge Discovery in Database (KDD). Alternatively other people treat Data M ...
1 - UF CISE
... found in a relational database but whose schema is dynamic and may contain missing data or types. For example, if we look at weather forecasts on the Web, the “fields” and their structure may differ across sites. Even at a single site, some forecasts may be missing information, or may have extra inf ...
... found in a relational database but whose schema is dynamic and may contain missing data or types. For example, if we look at weather forecasts on the Web, the “fields” and their structure may differ across sites. Even at a single site, some forecasts may be missing information, or may have extra inf ...
principles of effective database design
... structured, interrelated data. Databases are maintained to make information available on demand to one or more users or applications. A database is also something created using a database software application or tool. It differs from a spreadsheet primarily in terms of purpose (although there is an ...
... structured, interrelated data. Databases are maintained to make information available on demand to one or more users or applications. A database is also something created using a database software application or tool. It differs from a spreadsheet primarily in terms of purpose (although there is an ...
Unit 1
... Nature of Relational Databases • All data, even data about data such as a table and column names, are stored in tables. • Each row in a table should have a column (or columns) that uniquely identifies it, a primary key. • This primary key is repeated in other tables to create a relationship. • When ...
... Nature of Relational Databases • All data, even data about data such as a table and column names, are stored in tables. • Each row in a table should have a column (or columns) that uniquely identifies it, a primary key. • This primary key is repeated in other tables to create a relationship. • When ...
Maximize DB Performance via Toad
... First, I have to look at these two distinct graphs and form a mental image of where they cross each other. I’d have to press the “Run Reports” button and launch into BMF to see just a single diagram with both lines. And that’s simply one more step and thus thing for me to mess up – so I prefer just ...
... First, I have to look at these two distinct graphs and form a mental image of where they cross each other. I’d have to press the “Run Reports” button and launch into BMF to see just a single diagram with both lines. And that’s simply one more step and thus thing for me to mess up – so I prefer just ...
11 - Perl and the DBI module
... The index() function is used to determine the position of a letter or a substring in a string. The rindex() function is used to determine the position of a character in a string starting at the end. The length() function simply gives you back the number of characters in a string variable. The 'quote ...
... The index() function is used to determine the position of a letter or a substring in a string. The rindex() function is used to determine the position of a character in a string starting at the end. The length() function simply gives you back the number of characters in a string variable. The 'quote ...
Slides PPT
... Large quantities of data generated at different locations with different characteristics. Engineering data is traditionally stored in flat files with little descriptive metadata – hard to search and share. ...
... Large quantities of data generated at different locations with different characteristics. Engineering data is traditionally stored in flat files with little descriptive metadata – hard to search and share. ...
Reverse Query Processing Carsten Binnig, Donald Kossmann and
... • QAGen every time takes only one test case as input and generates an independent test database that is specific for that test case. So we need to maintain separate test databases for each query. • MyBenchmark takes a set of annotated parameterized queries as input, and generates a minimal set of dat ...
... • QAGen every time takes only one test case as input and generates an independent test database that is specific for that test case. So we need to maintain separate test databases for each query. • MyBenchmark takes a set of annotated parameterized queries as input, and generates a minimal set of dat ...
Introduction to SQL Server and MySQL
... Through Backups and Restore By Detaching and Attaching ...
... Through Backups and Restore By Detaching and Attaching ...