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Frequently Asked Questions

What is the difference between the Oracle Data Dictionary and MySQL's INFORMATION_SCHEMA?

Appendix A. Frequently Asked Questions About MySQL 5.1
Both Oracle and MySQL provide metadata in tables. However, Oracle and MySQL use different table names and column names. MySQL's implementation is more similar to those found in DB2 and SQL Server, which also support INFORMATION_SCHEMA as defined in the SQL standard.
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How can I import data from MySQL, SQL Server and Oracle?

Jedox - Enterprise Spreadsheets f?r Excel
The Palo Excel-Add-in includes a highly flexible ODBC import/export functionality. In addition you can use the Palo libraries and build a stand-alone tool by yourself. Or use a third-party tool, e.g. Cubeware Importer, which is an high-end ETL tool.
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Where can I find information on how to migrate from MySQL 5.0 to MySQL 5.1?

Appendix A. Frequently Asked Questions About MySQL 5.1
For detailed upgrade information, see Section 2.11, "Upgrading MySQL". We recommend that you do not skip a major version when upgrading, but rather complete the process in steps, upgrading from one major version to the next in each step. This may seem more complicated, but it will you save time and trouble - if you encounter problems during the upgrade, their origin will be easier to identify, either by you or - if you have a MySQL Network subscription - by MySQL support.
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What type of objects exist in the data dictionary?

ABAP FAQ - ABAP Frequently Asked Question
Data in data dictionary is not the actual data like emp.name.name or emp.address but rather a type data whose function When you change data of one table the sy-subrc is returned. And then updation of other affected tables takes place. So if system fails to update other tables still sy-subrc returned is 0 (ie, Whwn first table gets updated).
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What is the Schema?

Environment settings set by a batch file are not working.
The Schema is a blueprint of all objects in the domain and when first created a default Schema exists which contains definitions for users, computers, domains etc. Because of this, you can only have one schema per domain as you cannot have multiple definitions of the same object. The default schema definition is defined in the SCHEMA.INI file that also contains the initial structure for the NTDS.DIT (storage for the Directory data). This file is located in the %systemroot%\ntds directory.
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Where can I find the ANSI SQL 2003 specification for INFORMATION_SCHEMA?

Appendix A. Frequently Asked Questions About MySQL 5.1
Unfortunately, the official specifications are not freely available. (ANSI makes them available for purchase.) However, there are books available - such as SQL-99 Complete, Really by Peter Gulutzan and Trudy Pelzer - which give a comprehensive overview of the standard, including INFORMATION_SCHEMA.
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Can I add to or otherwise modify the tables found in the INFORMATION_SCHEMA database?

Appendix A. Frequently Asked Questions About MySQL 5.1
No. Since applications may rely on a certain standard structure, this should not be modified. For this reason, MySQL AB cannot support bugs or other issues which result from modifying INFORMATION_SCHEMA tables or data.
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In Oracle DBA, How will you find to which schema an object belongs to?

Database FAQ
How 2003 Active Directory Server Act like Backup Domain Controller for Ldap server (Primary Server)...... What are the steps to connect and install Oracle 9i in UNIX Environment? How will you parallise those...
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What data types are supported by MySQL Cluster?

Appendix A. Frequently Asked Questions About MySQL 5.1
MySQL Cluster supports all of the usual MySQL data types, with the exception of those associated with MySQL's spatial extensions. (See Chapter 17, Spatial Extensions.) In addition, there are some differences with regard to indexes when used with NDB tables. Note: MySQL Cluster Disk Data tables (that is, tables created with TABLESPACE ... STORAGE DISK ENGINE=NDBCLUSTER) have only fixed-width rows.
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Can autoMap be used with MySQL or Oracle databases?

Codima Technologies FAQs
The installation program installs and configures a Microsoft? Access? database connector to the autoMap? database. It is not that we can not operate with MySQL or 0racle, it is simply that we do not need to with the standard autoMap/autoAsset discovery operations. Microsoft? Access is fine for most autoMap/autoAsset discoveries as they do not require multiple concurrent connections, see FAQ:-
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How do I fix Data Dictionary errors?

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Most errors you receive are probably range errors, meaning a value you have entered is out of range. Check the Data Dictionary to help you fix these issues.
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What is so special about the data dictionary?

Frequently Asked Questions (General)
It provides an overview of all names in the model (or, if you wish, you can generate a filtered list that displays only particular name types/name patterns). That way, you can instantly identify all diagrams where a particular name is defined or referenced. It allows easy navigation to the diagrams where a given name is found and vice versa: You can navigate from a diagram back to the dictionary.
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What Is a Static Data Dictionary?

Oracle DBA FAQ - Oracle Basic Concepts
Data dictionary tables are not directly accessible, but you can access information in them through data dictionary views. To list the data dictionary views available to you, query the view DICTIONARY.
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Do you have metadata or data dictionary complete?

Washington County, MN-Survey FAQ
Yes. We provide these items with each data sale. Our metadata follows the state standard prepared by the Minnesota Governor's Council on Geographic Information. We recommend acquiring metadata on all data purchased.
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What is an ABAP data dictionary?

K-Spire.com - JOBS | FAQs | Interview Questions & Answer...
ABAP 4 data dictionary describes the logical structures of the objects used in application development and shows how they are mapped to the underlying relational database in tables/views.
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What is MySQL ?

X-Cart: Frequently asked questions
MySQL (http://www.mysql.com/) is an open-source robust SQL database engine. X-Cart uses it to store product information. Most of web hostings support MySQL. You can contact your ISP / web hosting in order to make sure that they have support for MySQL databases.
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Forum FAQ - GameDev.Net Discussion Forums
MySQL is the Open-Source competitor to SQL Server. It is reliable and the choice of database server for many small game companies.
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Are there any schema managers Oracle Shared Hosting does not support?

Oracle Shared Hosting FAQ
Oracle Shared Hosting does not currently support Toad and ER Studio. We are working to resolve this problem.
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What's the difference between Oracle Enterprise and Oracle Standard?

Oracle Shared Hosting FAQ
Oracle Standard is designed for single machine databases. Oracle Enterprise is designed for databases that span multiple machines, require off-site replication, or require the 10% performance increase that 64-bit software can provide over the 32-bit Standard Edition. For more information on Oracle Standard and Oracle Enterprise, visit the Oracle Corporation Database Web site.
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Is there a data dictionary and other documentation for the data provided with SEER*Stat?

SEER*Stat Frequently Asked Questions
Yes, the data dictionary for the SEER incidence data files, as well as documentation for other databases and associated variables is available on the Documentation for the Data Files page.
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How can I get my data requirements into the data dictionary?

Frequently Asked Questions (FAQ) - Global Justice XML Data D...
Formal governance policies and procedures are not yet in place. The current versions are considered prereleases or Release for Comment until basic structural design of the data model is stable and a large part of the dictionary content has been designed.
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What is Oracle Data Pump?

Oracle Data Pump FAQ
Oracle Data Pump is a new feature of Oracle Database 11g that provides high speed, parallel, bulk data and metadata movement of Oracle database contents. A new public interface package, DBMS_DATAPUMP, provides a server-side infrastructure for fast data and metadata movement. In Oracle Database 11g, new Export (expdp) and Import (impdp) clients that use this interface have been provided.
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What is Oracle Data Wizard?

Oracle Export/Import - Oracle Migration Tools by SQL Maestro...
Oracle Data Wizard is a powerful Windows GUI utility for managing your Oracle data. It provides you with a number of easy-to-use wizards for performing the required data manipulation easily and quickly. Oracle Data Wizard allows you to generate PHP scripts for the selected tables and queries, convert any ADO-compatible database to Oracle database, export data from Oracle tables and queries to the most popular formats and import data into the tables.
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What Is an Oracle Data File?

Oracle DBA FAQ - Oracle Basic Concepts
Oracle data file is a big unit of physical storage in the OS file system. One or many Oracle data files are organized together to provide physical storage to a single Oracle tablespace.
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How is my data protected with my Oracle account?

Oracle Hosting FAQ
The Oracle8i system runs on Hardware RAID which not only provides fast access to data, but also ensures that hard drive failures do not cause any interruption in service or loss of data for the customer. Assuming either data corruption is caused by the customers application or the statistically impossible chance that both drives in a mirror set fail at the same instant, customers data can be restored from tape.
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How to display spatial data stored in another schema?

Oracle Application Server 10G MapViewer FAQ
Prior to version 10.1.2, the only way to view spatial data stored in a user B's schema from user A is by granting select permission on B's tables to A, then create views in schema A, and populate its user_sdo_geom_metadata with metadata for those views. You can then create themes for these views and display them from MapViewer. Starting with version 10.1.2, you have two more options.
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What is a data syntax or schema?

Frequently Asked Questions on the Concept-Oriented Data Mode...
Data syntax or schema is the structure of space where data items live. It is formally defined via a set of concepts where each of them being a combination of other concepts (with no cycles and complemented with top and bottom concept). The concept-oriented syntax is a concept lattice with formally added top concept and bottom concept.
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