IST722 Data Warehousing
... • Difficult, Time-consuming & Error prone. • Many joins, sub-selects, Due to vast number of tables. • How do you know your query is correct? ...
... • Difficult, Time-consuming & Error prone. • Many joins, sub-selects, Due to vast number of tables. • How do you know your query is correct? ...
Chapter 10 Creating and Maintaining Geographic Databases
... object types and functions through the addition of a geographic query parser, a geographic query optimizer, a geographic query language, multidimensional indexing services, storage management for large files, long transaction services, replication ...
... object types and functions through the addition of a geographic query parser, a geographic query optimizer, a geographic query language, multidimensional indexing services, storage management for large files, long transaction services, replication ...
Sybase
... •Sybase Adaptive Server Enterprise: It is a powerful data management platform for mission - critical transactions, it is known for its flexibility, open standards and effective use of computing power. •iAnywhere Solutions: It is a comprehensive package that provides data management and enterprise sy ...
... •Sybase Adaptive Server Enterprise: It is a powerful data management platform for mission - critical transactions, it is known for its flexibility, open standards and effective use of computing power. •iAnywhere Solutions: It is a comprehensive package that provides data management and enterprise sy ...
Visualize
... A good idea would be to use SQL to gather the records from Oracle and Python to get data via Twitter’s API ...
... A good idea would be to use SQL to gather the records from Oracle and Python to get data via Twitter’s API ...
SQL
... locate the entire row of data. Without the index, a table scan would have to be performed in order to locate the row, which can have a significant effect on performance. Clustered Index – Only one clustered index on a table or view. Data is sorted only if a clustered index has been defined on a ta ...
... locate the entire row of data. Without the index, a table scan would have to be performed in order to locate the row, which can have a significant effect on performance. Clustered Index – Only one clustered index on a table or view. Data is sorted only if a clustered index has been defined on a ta ...
File
... Snowflake schema: A refinement of star schema where some dimensional hierarchy is further splitting (normalized) into a set of smaller dimension tables, ...
... Snowflake schema: A refinement of star schema where some dimensional hierarchy is further splitting (normalized) into a set of smaller dimension tables, ...
Data Model
... • Interface called ODBC (Open Database Connectivity – see Ch 9) provides an Application program interface (API) allow client side programs to call the DBMS. Most DBMS vendors provide ODBC drivers. ...
... • Interface called ODBC (Open Database Connectivity – see Ch 9) provides an Application program interface (API) allow client side programs to call the DBMS. Most DBMS vendors provide ODBC drivers. ...
Data Model
... • Interface called ODBC (Open Database Connectivity – see Ch 9) provides an Application program interface (API) allow client side programs to call the DBMS. Most DBMS vendors provide ODBC drivers. ...
... • Interface called ODBC (Open Database Connectivity – see Ch 9) provides an Application program interface (API) allow client side programs to call the DBMS. Most DBMS vendors provide ODBC drivers. ...
Chapter 10
... – Basic database concepts – How to write Visual Basic applications that interact with databases – How to use a DataGridView control and display the data in a database – How to sort and update database data – To create an application that displays database data in list boxes, text boxes, labels, and ...
... – Basic database concepts – How to write Visual Basic applications that interact with databases – How to use a DataGridView control and display the data in a database – How to sort and update database data – To create an application that displays database data in list boxes, text boxes, labels, and ...
Data Stream Computation(1)
... Previous Approach: Determine P2P traffic volumes using TCP port number found in Netflow data Issues: P2P traffic might not use known P2P port numbers Solution: Using Gigascope SQL-based DSMS ...
... Previous Approach: Determine P2P traffic volumes using TCP port number found in Netflow data Issues: P2P traffic might not use known P2P port numbers Solution: Using Gigascope SQL-based DSMS ...
Topics
... How can Oracle Materialized Views be used to speed up data warehouse queries? With "Query Rewrite" (QUERY_REWRITE_ENABLED=TRUE in INIT.ORA) Oracle can direct queries to use pre-aggregated tables instead of scanning large tables to answer complex queries. Materialized views in a W/H environments is t ...
... How can Oracle Materialized Views be used to speed up data warehouse queries? With "Query Rewrite" (QUERY_REWRITE_ENABLED=TRUE in INIT.ORA) Oracle can direct queries to use pre-aggregated tables instead of scanning large tables to answer complex queries. Materialized views in a W/H environments is t ...
Optimizing Large Data Handling in SAP ASE for Better
... •• Round-robin partitioning – rows are assigned randomly to partitions in a round-robin manner so that each partition contains a more or less equal number of rows. This is the default strategy. Prior to SAP ASE 15, SAP ASE only supported round robin partitioning. Initially, this was done to alleviat ...
... •• Round-robin partitioning – rows are assigned randomly to partitions in a round-robin manner so that each partition contains a more or less equal number of rows. This is the default strategy. Prior to SAP ASE 15, SAP ASE only supported round robin partitioning. Initially, this was done to alleviat ...
Olawale_MSBI%20Expert_Germany_Updated
... May 2015 – August 2015 My role at the company as a data warehouse/ BI developer are as follows: 1. Extracted data from various sources like SQL Server 2008/2012, Oracle, .CSV, Excel and Text file from Client servers and through FTP. 2. Handled Performance Tuning and Optimization on SSIS and MDX, wit ...
... May 2015 – August 2015 My role at the company as a data warehouse/ BI developer are as follows: 1. Extracted data from various sources like SQL Server 2008/2012, Oracle, .CSV, Excel and Text file from Client servers and through FTP. 2. Handled Performance Tuning and Optimization on SSIS and MDX, wit ...