Oracle has a number of views built into the SYS user scenario that we can use to easily view system-related information. We can call these views without schema, and here are some
Summary of views about user, role, and permission information:
(1)
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 data. For example, a table creator information, create
%allusersprofile% C:\Documents and Settings\All Users
%USERPROFILE% C:\Documents and Settings\ Current user name
%homepath% C:\Documents and Settings\ Current user name
%SYSTEMROOT% C:\WINDOWS
%WINDIR% C:\WINDOWS
%comspec%
This article organizes the concepts and operations of partitioned tables in the following ways: 1. Table space and the concept of partitioned Tables 2. Table partitioning's specific role 3. Table partitioning advantages and disadvantages 4. Table
This article from the following aspects of the concept and operation of the partition table: 1. Table space and the concept of partitioned Tables 2. Table partitioning's specific role 3. Table partitioning's advantages and disadvantages 4. Table
This article organizes the concepts and operations of partitioned tables from the following aspects:1. Table space and the concept of partitioned Tables 2. Table partitioning's specific role 3. Table partitioning advantages and disadvantages 4.
Display information for all partitioned tables in the database: Dba_part_tablesDisplays all partition table information that the current user can access: all_part_tablesDisplays information about all partitioned tables for the current user:
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, user access
The following articles mainly describe Oracle Data Dictionary documents, it is worth noting that the correct application of Oracle data dictionary and actual operations and specific operations in actual operations are the main content of this
select * from dictionary;
--Data dictionary
The data dictionary is where Oracle holds information about the database tutorial, and its purpose is to describe the data.
For example, a table creator information, create time information, belong to
This article from the following aspects to collate the concept and operation of the partition table:1. Table space and the concept of partitioned tables2. The specific role of table partitioning3. Advantages and disadvantages of table partitioning4.
Introduction of Oracle Partition
Oracle partitioning is a technique for handling oversized tables, indexes, and so on. Partitioning is a "divide and conquer" technique that provides scalable performance for large amounts of data by dividing large
Oracle Query user Rights 2009-06-22 16:54
Data dictionary
1, Dynamic Data dictionary is starting with the V$XXX data dictionary, in the database about 150, these data dictionaries reflect the dynamic state of the database, the query at different
Add another user? posts
To add other users ' posts to a user's timesheet (timeline), simply reuse some of the code that was written earlier. For example, you now know how to get a list of users that the current user is following. Also know how to
The concepts and operations of partitioned tables are organized in the following ways:
The concept of table spaces and partitioned tables
The specific role of table partitioning
Advantages and disadvantages of table partitioning
Oracle Table Partitioning details the concept and operation of partitioned tables from the following aspects: Table space and partitioned table concept table partitioning specific role table partitioning several types of table partitioning and how
--Querying all data dictionariesselect * from dictionary;--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,
As the number of rows in the table increases, so does the impact of management and performance performance. Backups will take more time, recovery will take more time, and queries over the entire data table would take more time. By dividing the rows
How does an Oracle database view information about a partitioned table? I wonder if you have summed up this knowledge. Here we create two table test, GPRS_CELLTOPVOL_WK to do the experiment, the script is as follows:
CREATE TABLE Gprs_celltopvol_wk
View all user partition tables and partitioning policies (1, Level 2 partition tables are included):SELECT p.table_name as table name, decode (P.partitioning_key_count, 1, ' primary partition ') as partition type,P.partitioning_type as partition
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