SAS 9.3 Intelligence Platform: Data Administration Guide, Second ...

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10 Chapter 1 / Overview of Common Data Sources Relational Database Sources SAS/ACCESS Data can also be stored in third-party hierarchical and relational databases such as DB2, Oracle, SQL Server, and Teradata. SAS/ACCESS interfaces provide fast, efficient reading and writing of data to these facilities. Several of the SAS/ACCESS engines support threaded Reads. This enables you to read entire blocks of data on multiple threads instead of reading data just one record at a time. This feature can reduce I/O bottlenecks and enables thread-enabled procedures to read data quickly. These engines and DB2 on z/OS also have the ability to access database management system (DBMS) data in parallel by using multiple threads to the parallel DBMS server. The following SAS/ACCESS engines support this functionality: n Oracle n Sybase n DB2 (UNIX and PC) n SQL Server n Teradata For more information about using the SAS/ACCESS interfaces, see SAS/ACCESS for Relational Databases: Reference. The following figure shows how connectivity to Oracle databases is configured:
Figure 1.7 Establishing Connectivity to Oracle Databases For a detailed example of an Oracle connection, see “Establishing Connectivity to an Oracle Database” on page 56. ODBC Sources Open database connectivity (ODBC) standards provide a common interface to a variety of databases such as DB2, Microsoft Access, Oracle, and Microsoft SQL Server databases. Specifically, ODBC standards define application programming interfaces (APIs) that enable an application to access a database if the ODBC driver complies with the specification. TIP If a SAS/ACCESS engine is available for a database, then performance is better with the SAS/ACCESS engine rather than with the ODBC interface. The basic components and features of ODBC include the following: Relational Database Sources 11 n ODBC functionality is provided by three components: the client interface, the ODBC driver manager, and the ODBC driver. SAS provides the SAS/ACCESS interface to ODBC, which is the client interface. For PC platforms, Microsoft developed the ODBC Administrator, which is used from the Windows Control Panel to perform software administration and maintenance activities. The ODBC driver manager also manages the interaction between the client interface and the ODBC driver. On UNIX platforms, a default ODBC driver manager does not exist and SAS does not provide
Page 1 and 2: SAS ® 9.3 Intelligence Platform Da
Page 3 and 4: Contents What's New in Data Adminis
Page 5 and 6: Contents v Buffering Data for DB2 (
Page 7 and 8: What's New in Data Administration f
Page 9 and 10: Preproduction Server and Library Wi
Page 11 and 12: Recommended Reading n SAS Statement
Page 13 and 14: Overview of Common Data Sources 1 O
Page 15 and 16: Data Set Options: Reference. The fo
Page 17 and 18: Local and Remote Access to Data To
Page 19 and 20: n the user-written external file wi
Page 21: Figure 1.6 Establishing Connectivit
Page 25 and 26: Scalable Performance Data Server an
Page 27 and 28: Symmetric Multiprocessing Scalable
Page 29 and 30: The following example shows the syn
Page 31 and 32: Figure 1.11 Establishing Connectivi
Page 33 and 34: n Some database vendors (Oracle 10g
Page 35 and 36: Connecting to Common Data Sources 2
Page 37 and 38: Contents 25 Establishing Connectivi
Page 39 and 40: 1 Register the DBMS server. 2 Regis
Page 41 and 42: Figure 2.1 Establishing Shared Acce
Page 43 and 44: n Create a user-defined formats con
Page 45 and 46: Figure 2.2 Establishing Shared Acce
Page 47 and 48: 7 Examine the final page of the wiz
Page 49 and 50: 1 configuration of a user account a
Page 51 and 52: Enter the following configuration s
Page 53 and 54: Establishing Connectivity to a Comp
Page 55 and 56: 6 Click OK to save the configuratio
Page 57 and 58: 1 In SAS Management Console, expand
Page 59 and 60: 1 In SAS Management Console, expand
Page 61 and 62: 3 Enter the fully qualified path to
Page 63 and 64: 10 Click Next. 11 Examine the final
Page 65 and 66: Figure 2.7 Establishing Connectivit
Page 67 and 68: Establishing Connectivity to a SAS
Page 69 and 70: This example shows the process for
Page 71 and 72: Note that the correct Path value is
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Figure 2.9 Establishing Connectivit
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Field Sample Value User User Name T
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Click Next. 7 Examine the final pag
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Figure 2.10 Establishing Connectivi
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3 Select ODBC Server from the Datab
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Field Sample Value Engine ODBC You
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Stage 1: Register the DataFlux Fede
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3 Enter an appropriate library name
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Field Sample Value Minor Version Nu
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Click Next. 7 Examine the final pag
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Field Sample Value Software Version
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Table 2.36 Library Properties Field
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Table 2.38 Connection Properties Fi
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Field Sample Value Database Schema
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6 Check the metadata folder path in
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Setting UNIX Environment Variables
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Troubleshooting SAS/ACCESS Connecti
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Assigning Libraries 3 What Does It
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processes that create or update tab
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n the native engine that is specifi
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Understanding Native Engines and th
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and how they use the metadata engin
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This message is generated for libra
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TIP Select By external configuratio
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cannot be read until they are regis
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n appserver_autoexec_usermods.sas U
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Managing Table Metadata 4 Overview
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Creating Table Metadata for a New L
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The report that is generated by the
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NOUPDATE specifies not to update ex
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proc metalib; omr (library="lib1" r
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Optimizing Data Storage 127 5 Overv
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an uncompressed file, each row is a
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Compressing Data 131 Figure 5.2 The
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In addition to writing SAS code to
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Sorting Data 135 Figure 5.4 The Sor
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Multi-Threaded Sorting The SAS syst
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Buffering Data for DB2 (UNIX and PC
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under z/OS involve a trade-off, gen
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Setting LIBNAME Options That Affect
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substantial data movement generally
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Managing OLAP Cube Data 153 6 Intro
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Stored, precalculated summarization
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3 Under Server Manager, locate the
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n If you have not specified a serve
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n In SAS OLAP Cube Studio, you can
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Display 6.2 Library Properties 2 Cl
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Display 6.4 Information Map Propert
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aggregation a summary of detail dat
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OLAP See online analytical processi
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A access defining ODBC data sources
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D data access local and remote 5 OL
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making available to cubes for drill
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ead-only access for reporting libra
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connectivity to databases 10, 56 co
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SAS/SHARE Remote Engine library 34
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Z z/OS SAP on 86 Index 183
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