To list the data dictionary views available to you, query the view dictionary. It contains all information about the structures and objects of the database such as tables, columns, users, data files etc. Run all sql in the application and auto load sql plan baselines with 10g plan hj gb nl 5. In oracle rac, we have one set of datafiles,control file and redo logs while instance on one ore more boxes accesses the same database. Poster of data dictionary of oracle database 10g send article as pdf. Oracle sql developer owes its bluish shade to the original platform from which it descended. Dynamic data dictionary views are used to see the ongoing perf ormance characteristics of your oracle database. Table name column name p if the column is a primary. Oracle data dictionary the oracle data dictionary is one of the most important components of the oracle dbms. Oracle olap application developers guide oracle docs. The second level of the dictionary is divided into four categories of tables. Oracle concepts data dictionary burleson consulting. Updated to cover the latest version of oracle, oracle 10g, this edition of the highly regarded mastering.
Home database oracle database online documentation, 10g release 2 10. Oracle 10g sql notes pdf oracle 10g sql notes pdf oracle 10g sql notes pdf download. For a discussion of mergeable and unmergeable views, and more generally, how the optimizer optimizes statements that reference views, see the oracle. This preestablished query command is kept in the database dictionary. Views can represent a subset of the data contained in a table. This list of dictionary views is a quick reference but is not complete, while most of these views are available across oracle 9 through 12, there are some version specific differences and also many newer views have been added to cover rac, data guard etc. Supported platforms and new data dictionary views determine. If you have worked with mysql, you may be familiar with the show tables command that lists all tables in a database.
This course introduces oracle database 10g technology and the relational database concepts and the powerful. Data dictionary of oracle 10g oracle point, oracle life. Managing oracle requires the use of a number of oracle supplied views. A good flash media for data dictionary of oracle 10g. He is the primary internet database designer and an oracle. Limitedtime offer applies to the first charge of a new subscription only. This offer applies to the contiguous united states. This section contains free ebooks and guides on oracle 10g, some of the resources in this section can be viewed online and some of them can be downloaded.
Implementing oracle maximum availability architecture at allstate insurance, using oracle 10g rac, asm, oracle data guard, flashback database, rman and oracle grid control november 12, 2007 mike hughes allstate oracle tech lead, oracle performance dba. Unfortunately, oracle does not directly support the show tables command. Many data dictionary tables have three corresponding views. Ocaocp oracle database 11g allinone exam guide by john watson, roopesh. Refer also to the patch readme file for additional information. Its categorized and good for learning data dictionary of oracle 10g.
Oracle 9i list partitioning global index maintenance oracle 9i r2 rangelist partitioning fast partition split oracle 10g global hash indexing local index maintenance oracle 10g r2 1m partitions per table multidimensional pruning fast drop table oracle 11g virtual column based partitioning more composite choices reference partitioning interval. It also contains the most important data columns with each oracle dba view so you can see the most important column values for your oracle data dictionary query. The dynamic performance views are special views that are continuously updated while a database is open and in use this chapter contains the following sections. Manage the database tune the database monitor the database. Dictionary cache is place in shared pool which contains data dictionary. The central set of readonly reference tables and views of each oracle database is known collectively as the data dictionary. Thus, you have an oracle process without an oracle session. All base tables and views for the database data dictionary are stored in the sys schema. In this chapter we will fist look at the data dictionary views. Data dictionaries are views that are created by combining various system level tables in oracle database.
When the client authenticates to the database, a session is created. Oracle database concepts pdf 542p this manual describes all features of the oracle database server, an objectrelational database management system. I need to create a query in oracle 10g for a data dictionary that extracts the following information for all the tables in a given schema. Look up any oracle catalog data dictionary view by name. It describes how the oracle database server functions, and it lays a conceptual foundation for much of the practical information contained in. There are copious views as such, to provide information on database. Introduction to sql duration 5 days what you will learn this class is applicable to oracle8i, oracle9i and oracle database 10g users. Thereafter, whenever the database is in operation, oracle updates the data dictionary in response to every ddl statement.
Be aware, however, that there are probably on the order of distinct data dictionary tables and views in recent versions of oracle depending on whether. Select from data dictionary view is slow after upgrade from 10. The data stored in the data dictionary are also often called metadata. Naming conventions for data dictionary tablesviews. One of the most important parts of an oracle database is its data dictionary, which is a readonly set of tables that provides information about the database.
These data dictionary views are nothing but the metadata of the database. Standard oracle university 10g course ware materials. Oracle 10g data dictionary poster oracle community. They are updated in real time and are also used by oracle s monitoring and trace tools to understand how the database is operating.
Oracle data dictionary tables are important part of oracle database. Does anybody know where oracle database stores that kind of lookuptables. The oracle data dictionary is one of the most important components of the oracle. Creates the data dictionary and public synonyms for many of its views. Most parts of data dictionary are cached into dictionary cache. Data dictionary grid view with persistent highlights, dynamic filters and custom sort. Implementing oracle maximum availability architecture at. You will find the entire list of oracle data dictionary views documented in the oracle. The data dictionary views, also known as catalog views, let you monitor the state of the database in real time. Hi, i am looking for views in the data dictionary that give me information about oracle s territories, languages and charactersets. Additionally, if a view is a join on other nested views, then the other nested views must be mergeable into the top level view. The chapter also describes the dynamic performance views, which are special views that are continuously updated while a database is open and in use. Find answers to data dictionary tables in oracle 10g from the expert community at experts exchange. Top 80 oracle dba interview questions and answers techgoeasy.
This is the owner of all data dictionary tables and views. Download pdf oracle sql tuning pocket reference book full free. Free oracle 10g books download ebooks online textbooks. Thanks to its deep extensibility, the javabased jdeveloper served as the base platform for many tools that are now part. The definitions of all schema objects in the database tables, views, indexes, clusters, synonyms, sequences, procedures, functions, packages, triggers, and so on. For example, a data dictionary stores information about both the logical and physical structure of the database. Oracle 10g data dictionary poster 108476 jun 26, 2007 7. Data dictionary and dynamic performance views oracle docs. The data dictionary base tables are the first objects created in any oracle database. This database dictionary dba reference poster has the most important oracle11g dba views. Data dictionary is a readonly set of tables and views that tells us the story of all objects in database. These views include the data dictionary and the dynamic performance views. While other data dictionary views start with user, all or dba prefix. If you know the name of the view you want, select its abbreviation.
All the data dictionary tables and views for a given database are stored in that databases system tablespace. Auto capture 10g plans seeding the sql plan baselines with 10g plans no plan change on upgrade. This chapter describes the central set of readonly reference tables and views of each oracle database, known collectively as the data dictionary. Oracle dictionary cache oracle data dictionary welcome. Data dictionary and dynamic performance views oracle.
About the authors bob bryla is an oracle 9i and 10g certified professional with more than 20 years of experience in database design, database application development, training, and oracle database administration. We can say it is one kind of metadata of all oracle database object related information. Description of data dictionary tables and views as an exercise, write a query to find out how many tables make up the data dictionary. Oracle sql tuning pocket reference available for download and read online in other formats. Oracle 10g details free download as powerpoint presentation. Data dictionary tables are not directly accessible, but you can access information in them through data dictionary views. An oracle data dictionary is a set of tables and views that are used as a readonly reference about the database. Pdf oracle sql tuning pocket reference download full. In a database, a view is the result set of a stored query on the data, which the database users can query just as they would in a persistent database collection object. Oracle database 10g automatic memory management amm.
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