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Chapter 5: Other Relational Languages
... To find the average account balance at only those branches where the average ...
... To find the average account balance at only those branches where the average ...
Vertica Deep
... System continues to load and query when nodes are down Recover missing data by querying other nodes Nodes recover individual tables No longer binary “node up or still recovering” Prioritize table recovery order ...
... System continues to load and query when nodes are down Recover missing data by querying other nodes Nodes recover individual tables No longer binary “node up or still recovering” Prioritize table recovery order ...
Joins for Hybrid Warehouses: Exploiting Massive Parallelism in Hadoop and Enterprise Data Warehouses.
... that work well between a parallel database and an HDFS cluster. Note that these joins work across two heterogeneous systems and hence have asymmetric properties that needs to be taken into account. HDFS is optimized by large bulk I/O, and as a result record level indexing does not provide significan ...
... that work well between a parallel database and an HDFS cluster. Note that these joins work across two heterogeneous systems and hence have asymmetric properties that needs to be taken into account. HDFS is optimized by large bulk I/O, and as a result record level indexing does not provide significan ...
Clay: Fine-Grained Adaptive Partitioning for General Database
... their corresponding Products tuples. But this is also bad because Parts are shared across multiple Products, and Suppliers may supply many Parts. Hence, there is no good partitioning scheme that can be identified by solely looking at the database schema, and a more general approach is required for s ...
... their corresponding Products tuples. But this is also bad because Parts are shared across multiple Products, and Suppliers may supply many Parts. Hence, there is no good partitioning scheme that can be identified by solely looking at the database schema, and a more general approach is required for s ...
HP_Angle_Light_16x9_Blue
... An intelligence agency deploys NonStop SQL to manage 250++TB of database Driving mixed-workload consisting of 39,000 ingests per second concurrently with >5000 ad-hoc and OLAP queries Executing concurrent database maintenance activities ...
... An intelligence agency deploys NonStop SQL to manage 250++TB of database Driving mixed-workload consisting of 39,000 ingests per second concurrently with >5000 ad-hoc and OLAP queries Executing concurrent database maintenance activities ...
Intro2SQL-2
... Each table’s rows need to be unique, i.e. needs to have a unique primary key. One method to achieve this is to give each row a row_id or numeric index. This index is auto-incremented every time a new row is inserted in the table. ...
... Each table’s rows need to be unique, i.e. needs to have a unique primary key. One method to achieve this is to give each row a row_id or numeric index. This index is auto-incremented every time a new row is inserted in the table. ...
to (English)
... expressions equivalent to the given expression Conceptually, generate all equivalent expressions by repeatedly executing the following step until no more expressions can be found: for each expression found so far, use all applicable equivalence rules add newly generated expressions to the set ...
... expressions equivalent to the given expression Conceptually, generate all equivalent expressions by repeatedly executing the following step until no more expressions can be found: for each expression found so far, use all applicable equivalence rules add newly generated expressions to the set ...
A,r - NYU Computer Science
... expressions equivalent to the given expression Conceptually, generate all equivalent expressions by repeatedly executing the following step until no more expressions can be found: for each expression found so far, use all applicable equivalence rules add newly generated expressions to the set ...
... expressions equivalent to the given expression Conceptually, generate all equivalent expressions by repeatedly executing the following step until no more expressions can be found: for each expression found so far, use all applicable equivalence rules add newly generated expressions to the set ...
Greenplum Database 4.3 Client Tools for Windows
... Install a copy of the Kerberos configuration file krb5.conf from the Greenplum Database master. The file is used by the Greenplum Database client software and the Kerberos utilities. Rename krb5.conf to krb5.ini and move it to the Windows directory. On Windows 7, the Windows directory is C:\Windows. ...
... Install a copy of the Kerberos configuration file krb5.conf from the Greenplum Database master. The file is used by the Greenplum Database client software and the Kerberos utilities. Rename krb5.conf to krb5.ini and move it to the Windows directory. On Windows 7, the Windows directory is C:\Windows. ...
DATABASE SCHEMA INTEGRATION PROCESS
... type. However, IIS*Case form type may be structured in a way to provide more information about various types of relational db schema constraints. Besides, it carries additional information about the embedded functionality of future transaction programs made over such a form type. A set of subschemas ...
... type. However, IIS*Case form type may be structured in a way to provide more information about various types of relational db schema constraints. Besides, it carries additional information about the embedded functionality of future transaction programs made over such a form type. A set of subschemas ...
Concept Hierarchies for Database Integration in a Multidatabase
... Relational database systems have been widely used, and object-oriented database systems are also getting popular in recent years. To facilitate dierent users and applications to access data, a multidatabase system can provide two views: one based on the relational model and the other based on the ...
... Relational database systems have been widely used, and object-oriented database systems are also getting popular in recent years. To facilitate dierent users and applications to access data, a multidatabase system can provide two views: one based on the relational model and the other based on the ...
Preserving Transactional Data - Digital Preservation Coalition
... facing companies and institutions that aim to re-use these data for analysis or research. Commissioned by the UK Data Service as part of their Big Data Network Support initiative, this report presents the issues and strategies which emphasize preservation practices that facilitate re-use and reprodu ...
... facing companies and institutions that aim to re-use these data for analysis or research. Commissioned by the UK Data Service as part of their Big Data Network Support initiative, this report presents the issues and strategies which emphasize preservation practices that facilitate re-use and reprodu ...
XML
... Comparison between Image-based QBT and XQBT • The template is an image by taking a photograph or by scanning from existing pages. • The query action associate with each region is hand-coded. • Either planar or nested template is limited to region level that is not very deep. ...
... Comparison between Image-based QBT and XQBT • The template is an image by taking a photograph or by scanning from existing pages. • The query action associate with each region is hand-coded. • Either planar or nested template is limited to region level that is not very deep. ...
EMC XTREMIO HIGH-PERFORMANCE CONSOLIDATION SOLUTION FOR ORACLE
... At the same time, the demand to quickly turn this data into information and gain insight into opportunities and risks is increasing. Databases, such as Oracle Database 11g, are used to support business-critical applications. To deliver fast response times across the range of applications, these data ...
... At the same time, the demand to quickly turn this data into information and gain insight into opportunities and risks is increasing. Databases, such as Oracle Database 11g, are used to support business-critical applications. To deliver fast response times across the range of applications, these data ...
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... since they correspond to different abstraction mechanisms. Additional constraints not modeled by ER mechanisms can be explicitly attached to schemas: Office → Tel represents an FD (see below) meaning that, for every instance of Employee, the value of Office determines the value of Tel. Figure 1 (b) ...
... since they correspond to different abstraction mechanisms. Additional constraints not modeled by ER mechanisms can be explicitly attached to schemas: Office → Tel represents an FD (see below) meaning that, for every instance of Employee, the value of Office determines the value of Tel. Figure 1 (b) ...
configuring ms access, mysql, and oracle9i
... MySQL is a popular and free open source database available for Unix (Solaris, Linux, etc.), MacOS, and Windows. When this book went to press, Version 4.0 was the current stable version of MySQL. Version 4.0 of MySQL does not support stored procedures and a few other advanced database features, but i ...
... MySQL is a popular and free open source database available for Unix (Solaris, Linux, etc.), MacOS, and Windows. When this book went to press, Version 4.0 was the current stable version of MySQL. Version 4.0 of MySQL does not support stored procedures and a few other advanced database features, but i ...
How to Migrate Your Backend from Access to SQL Server 2000
... Microsoft Access developers generally consider a move to Microsoft SQL Server for performance, security and stability reasons. This process is known as upsizing. Developers will find a number of differences while upsizing from Access to SQL Server. SQL Server and Access are similar but have some maj ...
... Microsoft Access developers generally consider a move to Microsoft SQL Server for performance, security and stability reasons. This process is known as upsizing. Developers will find a number of differences while upsizing from Access to SQL Server. SQL Server and Access are similar but have some maj ...
Using the ORACLE LIBNAME Engine to Reduce the Time it Takes to Extract Data From an ORACLE Database
... Hard coding these parameters can result in a lot of work when you shift between a production and test database and change users responsible for maintain the code. These macro variables can be stored in the “autoexec.sas” file or special macro. SAS/ACCESS ORACLE ENGINE CONNECTION OPTIONS There are a ...
... Hard coding these parameters can result in a lot of work when you shift between a production and test database and change users responsible for maintain the code. These macro variables can be stored in the “autoexec.sas” file or special macro. SAS/ACCESS ORACLE ENGINE CONNECTION OPTIONS There are a ...
ppt
... 1. r, s must have the same arity (same number of attributes) 2. The attribute domains must be compatible (example: 2nd column of r deals with the same type of values as does the 2nd column of s) Example: to find all courses taught in the Fall 2009 semester, or in the ...
... 1. r, s must have the same arity (same number of attributes) 2. The attribute domains must be compatible (example: 2nd column of r deals with the same type of values as does the 2nd column of s) Example: to find all courses taught in the Fall 2009 semester, or in the ...
Backup_and_Recovery
... infrequently enough that you do not interrupt daily business, but frequently enough that you can afford the time required to recover the database object. Of course, this is easy to say but hard to accomplish. You will need to keep abreast of the application requirements of each database object in or ...
... infrequently enough that you do not interrupt daily business, but frequently enough that you can afford the time required to recover the database object. Of course, this is easy to say but hard to accomplish. You will need to keep abreast of the application requirements of each database object in or ...
RDBMS - E
... extension of the computing capacity without any programming work. Expandability: New applications or other additions like new user interfaces can be realised without interfering with already working applications. Standardised and Combined Features: Features for data definition, data organisation and ...
... extension of the computing capacity without any programming work. Expandability: New applications or other additions like new user interfaces can be realised without interfering with already working applications. Standardised and Combined Features: Features for data definition, data organisation and ...
ppt - FCN
... 1. r, s must have the same arity (same number of attributes) 2. The attribute domains must be compatible (example: 2nd column of r deals with the same type of values as does the 2nd column of s) Example: to find all courses taught in the Fall 2009 semester, or in the ...
... 1. r, s must have the same arity (same number of attributes) 2. The attribute domains must be compatible (example: 2nd column of r deals with the same type of values as does the 2nd column of s) Example: to find all courses taught in the Fall 2009 semester, or in the ...