As part of their skills development candidates should have sufficient
... Problem: Unproductive maintenance In a file-based system, where every application shares same view of data, all applications have to be changed and re-compiled when data structure requirements of one is changed. Solution: In a database management system program-data independence or data independence ...
... Problem: Unproductive maintenance In a file-based system, where every application shares same view of data, all applications have to be changed and re-compiled when data structure requirements of one is changed. Solution: In a database management system program-data independence or data independence ...
Logging and Recovery
... Store REDO and UNDO information in a log – for every update, generate UNDO & REDO info – sequential writes to log (put it on a separate disk) – minimal info (diff) written to log, so multiple updates fit in a single log page ...
... Store REDO and UNDO information in a log – for every update, generate UNDO & REDO info – sequential writes to log (put it on a separate disk) – minimal info (diff) written to log, so multiple updates fit in a single log page ...
How is Extraction important in ETL process?
... The four component of target are compulsory while fifth is optional and that is SCD is defined as dimension which change with time. It is one type of indicator. It is translated as slowly changing direction. There are three types of SCD: ...
... The four component of target are compulsory while fifth is optional and that is SCD is defined as dimension which change with time. It is one type of indicator. It is translated as slowly changing direction. There are three types of SCD: ...
- IJSRCSEIT
... Frequent Itemset Mining plays an important role in many data mining tasks that are used to find an interesting pattern from database such as association rule mining, which is helpful in analyzing customer behavior in shopping market. Frequent Itemset Mining tries to find set of items that occur in t ...
... Frequent Itemset Mining plays an important role in many data mining tasks that are used to find an interesting pattern from database such as association rule mining, which is helpful in analyzing customer behavior in shopping market. Frequent Itemset Mining tries to find set of items that occur in t ...
Optimizing SQL
... If you are inserting many rows from the same client at the same time, use INSERT statements with multiple VALUES lists to insert several rows at a time. This is considerably faster (many times faster in some cases) than using separate single-row INSERT statements. When loading a table from a text fi ...
... If you are inserting many rows from the same client at the same time, use INSERT statements with multiple VALUES lists to insert several rows at a time. This is considerably faster (many times faster in some cases) than using separate single-row INSERT statements. When loading a table from a text fi ...
MIS 301 - Technology & Management
... Each application program must have its own processing routines for reading, inserting, updating and deleting data Lack of coordination and central control Non-standard file formats ...
... Each application program must have its own processing routines for reading, inserting, updating and deleting data Lack of coordination and central control Non-standard file formats ...
New Technologies for Delivering Data to Internal and External Clients
... delivered data in the same form. Files were all we knew. Now we have visual representations: Web data entry forms, MDBB's, Web page browsers, and electronic codebooks. What we consider the same 'data' have different shapes and structures in container objects than in an RDBMS or in an XML stream. So, ...
... delivered data in the same form. Files were all we knew. Now we have visual representations: Web data entry forms, MDBB's, Web page browsers, and electronic codebooks. What we consider the same 'data' have different shapes and structures in container objects than in an RDBMS or in an XML stream. So, ...
Book overview and data-warehousing
... relevant data sources identified. The data sources may include operational databases as well as spreadsheets and legacy systems. Any details in the data sources irrelevant to the analysis needs should be removed. For example, the phone number and street address of a store are probably not of interes ...
... relevant data sources identified. The data sources may include operational databases as well as spreadsheets and legacy systems. Any details in the data sources irrelevant to the analysis needs should be removed. For example, the phone number and street address of a store are probably not of interes ...
Having PHP get data from a MySQL database
... Note that we have chosen to display all of the fields except the last, and on the last field SubjectMatter.SubjectID we impose the constraint that its value equal that from Session.SubjectID -- that is we want the records from the two tables to have the proper relationship. The character ` seen abov ...
... Note that we have chosen to display all of the fields except the last, and on the last field SubjectMatter.SubjectID we impose the constraint that its value equal that from Session.SubjectID -- that is we want the records from the two tables to have the proper relationship. The character ` seen abov ...
Chapter 2
... the database. – DML is a language for retrieving and updating (insert, delete, & modify) the data in the DB. – Types of DML: • Procedural Language (3GL): user specifies what data is required and how to get those data(allows user to tell system exactly how to manipulate data.) Ex:Java ...
... the database. – DML is a language for retrieving and updating (insert, delete, & modify) the data in the DB. – Types of DML: • Procedural Language (3GL): user specifies what data is required and how to get those data(allows user to tell system exactly how to manipulate data.) Ex:Java ...
CP651: Big Data - (BVM) engineering college
... Strategy, working with HDFS Commands, Processing Data with Hadoop, Managing Resources and applications with Hadoop YARN (Yet Another Resource Negotiator) ...
... Strategy, working with HDFS Commands, Processing Data with Hadoop, Managing Resources and applications with Hadoop YARN (Yet Another Resource Negotiator) ...
SQL*Loader
... • Allow external data to be queried and joined directly and in parallel without requiring it to be loaded into the database • Eliminate the need for staging the data within the database for ETL in data warehousing applications • Are useful in environments where an external source has to be joined wi ...
... • Allow external data to be queried and joined directly and in parallel without requiring it to be loaded into the database • Eliminate the need for staging the data within the database for ETL in data warehousing applications • Are useful in environments where an external source has to be joined wi ...
New Technologies for Delivering Data to Internal and External Clients
... have visual representations: Web data entry forms, MDBB's, Web page browsers, and electronic codebooks. What we consider the same 'data' have different shapes and structures in container objects than in an RDBMS or in an XML stream. So, how do we get from forms to data? How do we serve data to inter ...
... have visual representations: Web data entry forms, MDBB's, Web page browsers, and electronic codebooks. What we consider the same 'data' have different shapes and structures in container objects than in an RDBMS or in an XML stream. So, how do we get from forms to data? How do we serve data to inter ...
SQLite Databases and Content Providers
... • Android applica4ons can have applica4on databases powered by SQLite – Lightweight and file-‐based, ideal for mobile devices – Databases are private for the applica4on that creates them – Databases should not be ...
... • Android applica4ons can have applica4on databases powered by SQLite – Lightweight and file-‐based, ideal for mobile devices – Databases are private for the applica4on that creates them – Databases should not be ...
Database
... Field: name, number, or characters that describe an aspect of a business object or activity Record: a collection of related data fields File: a collection of related records Database: a collection of integrated and related files ...
... Field: name, number, or characters that describe an aspect of a business object or activity Record: a collection of related data fields File: a collection of related records Database: a collection of integrated and related files ...
Database Operations
... • Semi-linear queries – Defined as linear combination of attribute values compared against a constant – Linear combination is computed as a dot product of two vectors – Utilize the vector processing capabilities of GPUs ...
... • Semi-linear queries – Defined as linear combination of attribute values compared against a constant – Linear combination is computed as a dot product of two vectors – Utilize the vector processing capabilities of GPUs ...
Fast Numerical Computations on Large Integer Databases using
... • Semi-linear queries – Defined as linear combination of attribute values compared against a constant – Linear combination is computed as a dot product of two vectors – Utilize the vector processing capabilities of GPUs ...
... • Semi-linear queries – Defined as linear combination of attribute values compared against a constant – Linear combination is computed as a dot product of two vectors – Utilize the vector processing capabilities of GPUs ...
Slides
... What is Big Data? It is the proliferation of data that floods organizations on a daily basis It is high volume, high velocity, and/or high variety information assets It requires new forms of processing to enable fast mining, enhanced ...
... What is Big Data? It is the proliferation of data that floods organizations on a daily basis It is high volume, high velocity, and/or high variety information assets It requires new forms of processing to enable fast mining, enhanced ...
Study on the Spatial Database Accessing Technology
... ADO is an OLE-based package, and is the target-oriented database accessing technology that Microsoft lately presented to the public. It inherits the advantageous high-speed of OLE DB technology and packaged the latter’s COM accessing, simplifying the application development by defining ADO object. T ...
... ADO is an OLE-based package, and is the target-oriented database accessing technology that Microsoft lately presented to the public. It inherits the advantageous high-speed of OLE DB technology and packaged the latter’s COM accessing, simplifying the application development by defining ADO object. T ...