If you have worked with MySQL, you may be familiar with theSHOW TABLEScommand that lists all tables in a database: SHOWTABLES;Code language:SQL (Structured Query Language)(sql) Unfortunately, Oracledoes notdirectly support theSHOW TABLEScommand. However, you can list all tables in a database ...
ALL_XXXX-> List of objects that user has access TO(当前用户可以访问到的对象) DBA_XXXX-> all tables in the database,List of all objects available in database.(数据库中的所有对象,需要DBA的角色的用户查看) ---表信息--- ALL_TABLES:Description of relational tables accessible to the user USER...
ORCL = (DESCRIPTION = (ADDRESS_LIST = # 下面是这个TNSNAME 对应的主机,端口,协议 (ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521)) ) (CONNECT_DATA = # 使用专用服务器模式去连接需要跟服务器的模式匹配,如果没有就根据服务器的模式自动调节 (SERVER = DEDICATED) # 对应service_name ...
DBA_TAB_MODIFICATIONS describes modifications to all tables in the database that have been modified since the last time statistics were gathered on the tables. Its columns are the same as those in "ALL_TAB_MODIFICATIONS". This view is populated only for tables with the MONITORING attribute. It...
Transactions consist of reading (SELECT statements), writing (INSERT and UPDATE statements), and deleting (DELETE statements) data in database tables. Custom database This template allows you maximum flexibility in defining a database because you can change any of the settings for the database ...
本文 TablesList 行の削除 操作ID: DeleteItem この操作はテーブルから行を削除します。 パラメーター テーブルを展開する 名前キー必須型説明 テーブル名 table True string テーブルの名前 行ID id True string 削除する行を表す一意の識別子 行の挿入 操作ID: PostItem この操...
This source code shows how to get all database tables and their columns from an Oracle database using Oracle .NET Data Provider available in the .NET Framework class library. To run this sample, you need to add your connection string to the following line: ...
The following list describes some known limitations for the Oracle Datbase connector:Not supported: Any table with composite keys Nested object types in tables Database functions with non-scalar values Oracle Functions so they're not listed in the UI. When you invoke a stored procedure on an ...
This tutorial goes through the process of caching database tables using Oracle In-Memory Database Cache. Specifically, we will cache the SYMBOLS and FILLED_ORDERS tables both owned by the TTORAUSER user in the Oracle database into TimesTen. After caching Oracle database tables into ...
当数据块中的FREE空间小于PCTFREE设置的空间时,该数据块从FREELIST中去掉,当块由于DML操作FREE空间大于PCTUSED设置的空间时,该数据库块将被添加在FREELIST链表中。对于表和索引来说,该值默认为10%,通过查询DBA_TABLES或DBA_INDEXES视图的PCT_FREE列可以获取到该属性的值。该值适用于MSSM和ASSM。