Oracle我们主要用到的表,有以下几种类型: (1)普通的heap表 即我们常用的create table创建的表,普通heap表只有一个segment. (2)分区表 分区表主要是在普通表中,按字段范围进行了分区,分区方式分为:按值分区和按值进行hash后分区,分区表存在多个segment; (3)全局临时表 全局临时表主要有针对session的临时表和针对...
create temporary tablespace TEMP tempfile '/oracle/app/oracle/oradata/baoyw/temp_01.dbf' size 10g; create temporary tablespace TEMP tempfile '+DATA' size 20g; 1. 2. ##新增临时表空间数据文件 alter tablespace TEMP add tempfile '/oracle/app/oracle/oradata/baoyw/temp_02.dbf' size 30g; al...
Is it possible to load a excel file with the headers into a temp table on Oracle? I use TOAD for the interface. I am needing to do some comparison on a a excel file with what we have in our database. Unfortunately, the data that is in the excel file is NOT in our database but...
ORACLE创建临时事务表global temporary table 和 查询时临时表with tempName as (select ) select 创建临时事务表只是保存当前会话(session)用到的数据,数据只在事务或会话期间存在,可规避多线程调用数据冲突问题 --Create tablecreateglobaltemporarytableTEM_FI_COURSE_CONFIG ( lgartVARCHAR2(20), komokVARCHAR2(20)...
GLOBAL TEMPORARY TABLESin Oracle are tables that are created distinct within the Oracle sessions. Syntax The syntax for OracleCREATE GLOBAL TEMPORARY TABLEis: CREATE GLOBAL TEMPORARY TABLE table_name ( column1 datatype [ NULL | NOT NULL ], column2 datatype [ NULL | NOT NULL ], ... column...
从执行计划ID 6得知表es_order_items ot作为驱动表返回的结果集是87M,也就是8千多万的数据行,而我们知道在Oracle的hash join运算时,由于PGA空间有限,如果驱动表返回的数据行较多,则构造hash table可能会在temp表空间也就是磁盘上运行;对于87M的数据量在构造hash table时必须是需要大量使用temp表空间,正是这个hash...
昨天开发人员跟我说,执行一个sql语句后,大约花了10分钟,好不容易有一个结果,但是报了一个ora-01652错误,查阅了oracle的错误代码说明:意思是指temp表空间无法自动扩展temp段。这种问题一般有两种原因:一是临时表空间空间太小,二是不能自动扩展。 分析过程: ...
Transaction ID of the transaction duration private temporary table SAVE_POINT_NUM NUMBER Save point number of the transaction duration private temporary table See Also: "USER_PRIVATE_TEMP_TABLES" "PRIVATE_TEMP_TABLE_PREFIX" Oracle Database Administrator’s Guide for an introduction to private ...
Recently I have been getting an Alert written in the DBA_OUSTANDING_ALERTS table stating: "Tablespace [APPTMP] is [1 percent] full Suggested Action: Add space to the tablespace" This is strange because the tablespace was 20% full before decreasing to 1%. Since the da...
Object type: TABLE Columns Name CUSTOMER_TRX_IDNUMBER18Oracle internal use only TRX_NUMBERVARCHAR220Oracle internal use only BATCH_SOURCE_NAMEVARCHAR250Oracle internal use only ADJUSTMENT_TYPEVARCHAR215Oracle internal use only FROM_SALESREP_IDNUMBER18Oracle internal use only FROM_SALESREP_NUMBERVARCHAR...