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2025-01-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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This article introduces you how to use user_view in Oracle, the content is very detailed, interested friends can refer to it, I hope it can help you.
Data Dictionary Related Links:
Oracle Data Dictionary: Common Dictionary
Tables store information about relational databases, and only Oracle databases can read and write to these tables. Most users cannot access these tables because most of the data is stored in encrypted format.
The following query returns all objects contained in user mode:
SQL> SELECT object_name, object_type FROM user_objects;
The various tables in USER_view are as follows:
table describes
USER_TABLES contains information about the names, number of columns, and other details of all tables
USER_CATALOG contains tables, views, and synonyms
USER_COL_COMMENTS Contains comments for columns
USER_CONSTRAINTS Contains constraint definitions for tables
USER_INDEXES contains all information about the index created for the table (IND
USER_OBJECTS Contains all database objects owned by the user
USER_TAB_COLUMNS Contains columns and views of user-owned tables
USER_TAB_COMMENTS Contains comments for tables and views
USER_TRIGGERS Contains all user-defined triggers
USER_USERS stores information about the current user
Tables in USER_view
Example 1 demonstrates the use of the USER_TABLES view.
SQL> SELECT table_name,tablespace_name,dependencies from user_tables where table_name like 'D%';
This example displays detailed information about a table created by a user.
Example 2 demonstrates the use of the USER_INDEXES view.
SQL> SELECT index_name , table_name from user_indexes where index_name like 'H%';
This example shows index names and table names starting with "H" in USER_INDEXES.
Example 3 demonstrates the use of the USER_TRIGGER view.
SQL> SELECT trigger_name , trigger_type from user_triggers;
This example shows trigger names and types in the USER_TRIGGERS view.
Example 4 demonstrates the use of the USER_OBJECTS view.
SQL> SELECT object_name from user_objects where object_name like 'A%';
This example displays object names that begin with "A" in USER_OBJECT view.
About how to use user_view in Oracle to share here, I hope the above content can be of some help to everyone, you can learn more knowledge. If you think the article is good, you can share it so that more people can see it.
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