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Co Je Tablespace

A tablespace is a storage location where the actual data underlying database objects can be kept.

It provides a layer of abstraction between physical and logical data, and serves to allocate storage for all DBMS managed segments.

(A database segment is a database object which occupies physical space such as table data and indexes.

)Once created, a tablespace can be referred to by name when.

, SYSAUX is the name of the compulsory tablespace , introduced in Oracle 10g, to support optional database components (called occupants) like AWR, Statspack, Oracle.

, Pouziva se, kdyz je v tablespace mnoho objektu ruznych velikost – VYCHOZI nastaveni, kdyz neni uveden MANAGEMENT tablespace , nebo kdyz neni nastavena metoda AUTO, ci manual.

Lokalne spravovane extenty maji data o extentech ulozeny v bitmape primo v tablespace.

, column dummy noprint column pct_used format 999.

9 heading “%|Used” column name format a19 heading ” Tablespace Name” column Kbytes format 999,999,999 heading “KBytes” column used format 999,999,999 heading “Used” column free format 999,999,999 heading “Free” column largest format 999,999,999 heading “Largest” column max_size format 999,999,999 heading “MaxPoss|Kbytes” #, criando as tablespaces create tablespace adlpp_dados datafile ‘c:oraclexeapporacleoradat ‘c:oraclexeapporacleorada taxeadlpp.

dbf’ axeadlpp.

dbf’ size 100m autoextend on next 100m extent management local; create tablespace tablespace adlpp_indices adlpp_i ndices dat da tafile’c: afile’c:oraclexeapporacleorada oraclexeapporacleoradat taxeadlpp axeadlpp.


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, 26/07/2019 2019-07-26 14:44:25 0 [Note] InnoDB: Removed temporary tablespace data file: “ibtmp1” 2019-07-26 14:44:25 0 [Note] InnoDB: Creating shared tablespace for temporary tables 2019-07-26 14:44:25 0 [Note] InnoDB: Setting file ‘C:xamppmysqldataibtmp1’ size to 12 MB.

Physically writing the file full; Please wait.

, Define the purpose of tablespaces and data files Create tablespaces Manage tablespaces Obtain tablespace information Create and manage tablespaces using Oracle Managed Files (OMF) Administering users Create and manage database user accounts Create and manage roles Grant and revoke privileges Control resource usage by users Managing Schema Objects, 11/04/2017 SYSTEM, SYSAUX a UNDO Public 17 SALES TABLESPACE HCM TABLESPACE HCM TABLESPACE DF11233 U*1 $5Ha1qui %H1 HSKQ112 A14 FASqw34 $1 [email protected]!1ah HH! DA45S& DD1 Acme 10 1/2/16 Acme 3 1/3/16 Acme 5 1/5/16 Acme 12 1/7/16 Acme 4 1/8/16 Acme 2 1/9/16 Performance Security Developers Management Availability Big Data Analytics 17.

co je tablespace