data dictionary tables in oracle

The Oracle tutorial being looked at is: Oracle's data dictionary technology analysis. The data dictionary is where Oracle holds information about the database, and its purpose is to describe the

CLUSTERID-------------------------------------------------AAA TABLEAAAA TABLEMethod 3: Use the data dictionary user_tables.SQL> select table_name from user_tables where rownum TABLE_NAME------------------AAAAAAAView table information in a specified databaseFor example, query the table in the database named mysql.Mysql> show tables from mysql;+ ------------------

oracle| Data Oracle Data dictionary Introduction to Oracle Database Dictionaries Oracle data dictionaries consist of

, packages, indexes, sequences, Java files, and so onDynamic Data dictionaryII. Dynamic Data Dictionary Oracle contains a number of potential tables and views that are maintained by system administrators such as SYS, which are called Dynamic

ORACLE Data dictionary is an important part of a database. It is generated with the database and changes with the database. It is reflected in some tables and Views under the sys user. The data dictionary name is an uppercase Engl

Oracle manages and presents database information through a data dictionary, which typically stores the metadata of the database and is the database's database. The commonly mentioned data dictionary consists of 4 parts:Internal RDBMS (x$)

When creating an Oracle database, some built-in database objects will be created, which can be roughly classified into four categories:1. Data dictionary; 2. Dynamic Performance view; 3. PL/SQL packages; 4. Database event triggers. This note briefly introduces 1 and 2 data dictionaries and dynamic performance views, an

ORACLE Data dictionary is an important component. It is generated with the database and changes with the database. It is reflected in some tables and Views under the sys user. The data dictionary name is an uppercase English chara

):Oracle use Thedata dictionary (tables in the SYS schema) to track allocated and free extentsfor tablespaces "Dictionary managed" mode. Free space isrecorded in the SYS. fet$ table, and used space in the SYS. uet$ table. Wheneverspace is required in one of these tablespaces, the ST (space transaction) Enqueue latch mu

I. Oracle DATA dictionaryA data dictionary is where Oracle stores information about a database and uses it to describe the data. For example, the creator information of a table, create time information, the table space information

Tags: style color io using strong data SP on CA data dictionary is an important part of the Oracle database, where metadata (matedata) is stored, and Oracle RDBMS uses the database to manage object information and security information. The database administrator can obtain

Data dictionary and Data dictionary viewA data dictionary is a set of system tables created and maintained by an Oracle server. Sys user own

[VIEW] DICT_COLUMNS2010-10-1322 of Oracle Data Dictionary VIEW: 41: 31 individual classification: Oracle VIEW (489) Comment (0) score (00) DICT_COLUMNS VIEW records the information of the data dictionary table field, is an effecti

apply to all States of an instance or database. For example, if an instance has just started,but no database is mounted, you can view the columns of a running background process by querying v$bgprocesstable. However, you cannot view the status of a database data file by querying V$datafile because you want to load the databaseto read the control file before it can find the data file associated with the dat

The following table collects almost all views or aliases in the Oracle Data Dictionary. Use the 'describe' statement to query the fields of each view or Alias. Description: In the Oracle Data dictionary, the object names are mostl

The following table collects almost all views or aliases in the Oracle Data Dictionary. Use the 'describe' statement to query the fields of each view or Alias. Description: In the Oracle Data dictionary, the object names are mostl

Oracle used a temporary table to return data tables and found many articles about the returned data tables in the stored procedure. We found that there is a big difference between oracle and SQL server. SQL server can directly ret