![query to list all tables in oracle database query to list all tables in oracle database](https://i.stack.imgur.com/it21y.png)
- #QUERY TO LIST ALL TABLES IN ORACLE DATABASE FULL#
- #QUERY TO LIST ALL TABLES IN ORACLE DATABASE WINDOWS#
Now the Admin can create a view containing only the data required for the clerk and allow the clerk to access it.Īlso, suppose data is spread out in two tables and you want to see it in a single table.
#QUERY TO LIST ALL TABLES IN ORACLE DATABASE FULL#
The clerk is authorised only to view (and cant modify the contents of the table) some part of data from the table but the Admin has full access.
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Suppose 2 ppl (Admin and clerk) access a table. To understand the usage of views consider the following: databasename, The name of the database for which. Oracle database to display the names of all tables using below query. You cannot insert/delete records from views. The SELECT privilege on a table is required to list it with SHOW TABLES. Yes you can say views are virtual tables. Why we are using Views instead of Tables directly? If I insert record in views whether it affects the real table(physical table)? Whether it is possible insert or delete records from views?Ģ. From ur stat I feel that Views are not phisicaly stored in memory. In January 2006, EMM was available only through Oracle consulting services.Nice. It stores administered metadata in a consistent format that can be used for metadata publishing. The Oracle product Oracle Enterprise Metadata Manager (EMM) is an ISO/IEC 11179 compatible metadata registry.
#QUERY TO LIST ALL TABLES IN ORACLE DATABASE WINDOWS#
To find out which instances is running on your server: /bin/ps -ef grep orapmon grep -v grep If you have a Windows server you'll get the same information at Administrative Tools > Services. Just add the following after a LIKE statement:Īnd then each literal underscore should be a double underscore: _ I think you need to read up on the Oracle concepts, concentrating on Instance, Database and Schema.
![query to list all tables in oracle database query to list all tables in oracle database](https://i.stack.imgur.com/JQbJq.png)
The underscore is a special SQL pattern match to a single character and should be escaped if you are in fact looking for an underscore character in the LIKE clause of a query. Use of underscore in table and column names Warning: This is incomplete with respect to multiple datatypes including char, varchar and timestamp and uses extremely old, deprecated dictionary views, back to oracle 5. DATA_TYPE ) data_type FROM cols c, obj o WHERE c. DATA_LENGTH || ')', 'NUMBER', DECODE ( c. SELECT TABLE_NAME, column_name, decode ( c. Naturally the access to "DBA_" metadata views requires specific privileges.įind all Tables that have PATTERN in the table name an unrestricted global view of metadata for the database instance). a more restricted view of metadata) and prefixed "DBA_" which show all objects in the database (i.e. In addition there are equivalent views prefixed "USER_" which show only the objects owned by the current user (i.e. ALL_TRIGGERS – list all the triggers accessible to the current user.PL/SQL) source of the stored objects accessible to the current user ALL_PROCEDURES – (from Oracle 9 onwards) lists all functions and procedures (along with associated properties) that are accessible to the current user.ALL_OBJECT_SIZE – included for backward compatibility with Oracle version 5.ALL_ERRORS – lists descriptions of errors on all stored objects (views, procedures, functions, packages, and package bodies) that are accessible to the current user.ALL_ARGUMENTS – lists the arguments of functions and procedures that are accessible to the current user.ALL_TAB_COLUMNS – list of all columns in the database that are accessible to the current user.Then you can get table columns using table name: select from dbatabcolumns. or for example: select from dbaobjects where objecttype 'TABLE'. You can get list of tables in different ways: select from dbatables. ALL_VIEWS – list of all views in the current database that are accessible to the current user You can use Oracle Data Dictionary to get information about oracle objects.ALL_TABLES – list of all tables in the current database that are accessible to the current user.ALL_OBJECTS – list of all objects in the current database that are accessible to the current user.The main built-in views accessing Oracle RDBMS data dictionary tables are few, and are as follows: The total number of these views depends on the Oracle version, but is in a 1000 range. 1.5 Use of underscore in table and column names.1.3 Example 3: counting rows of columns.