SHOWTABLES;Code language:SQL (Structured Query Language)(sql) Unfortunately, Oracledoes notdirectly support theSHOW TABLEScommand. However, you can list all tables in a database by querying from various data di
A. Table accessible to the current user selecttab.ownerasschema_name, tab.table_name, con.constraint_name, cols.column_name, search_conditionasconstraint, con.statusfromsys.all_tables tabjoinsys.all_constraints conontab.owner = con.ownerandtab.table_name = con.table_namejoinsys.all_cons_colu...
List table blocks, empty blocks, extent count, and chain block count SELECT blocks as BLOCKS_USED, empty_blocks FROM dba_tables WHERE table_name=TNAME; SELECT chain_cnt AS CHAINED_BLOCKS FROM dba_tables WHERE table_name=TNAME; SELECT COUNT(*) AS EXTENT_COUNT FROM dba_extents WHERE segment...
tables=bill_monthfee:P_200401, file=E:\exp_para\exp_dxsq_tables.dmp log=E:\exp_para\exp_dxsq_tables.log --exchange partition: 交换分区是将一个分区的数据和一个非分区的表数据进行数据交换。条件是两者逻辑结构相同,而且表数据的数据不能超出分区主键的范围,否则: SQL> alter table baisadmin.t_n...
from user_part_tables where table_name ='LIST_PART_TAB'; 该分区表在哪一列上建分区,有无多列联合建分区: select column_name, object_type, column_position from user_part_key_columns where name ='LIST_PART_TAB'; 该分区表有多大: select sum(bytes) / 1024 / 1024 ...
数据库 Oracle分区表详解(Oracle Partitioned Tables) 当单表数据量随着时间变的越来越大时,会给数据的管理和查询带来不便。我们可以考虑对表进行分区,利用分区表特性将数据分成小块存储,可以大幅提升查询性能,管理便捷性及数据的可用性。 目录 一、分区表概述...
Build the instance of ListTablesRequest as configured by this builder ListTablesRequest.BuildercompartmentId(String compartmentId) The ID of a table’s compartment. ListTablesRequest.Buildercopy(ListTablesRequest o) Copy method to populate the builder with values from the given instance....
16、fuse these numbers with the unique 16-byte object identifier (object ID) that the Oracle Database assigns to row objects in object tables in the system.OBJECT_TYPEVARCHAR2(19)Type of the object (such as TABLE, INDEX)CREATEDDATENOT NULLTimestamp for the creation of the objectLAST_DDL_...
Body TablesList Insert rowOperation ID: PostItem This operation inserts a new row into a table. Parameters 展開資料表 NameKeyRequiredTypeDescription Table name table True string Name of table Row item True dynamic Row to insert into the specified table Returns The outputs of this operation ...
tablespace_name ORDER BY USED_PERCENT desc; 查看表空间所在位置 select file_id,FILE_NAME,bytes/1024/1024 from dba_data_files; 查看表所属表空间(表的名字大写) SELECT TABLE_NAME,TABLESPACE_NAME FROM DBA_TABLES where table_name='T_COUSE'; 查看表空间大小及位置 col file_name for a60; set ...