tbs eleague

file:statement: Alter tablespace tablespace_name add Datafiel ' path_dbf ' size;--Add a data file with an initial size of 3M that does not grow from the TS table space;sql> alter tablespace TS2 Add datafile '/oracle/ts03.dbf ' size 3M;Thinking-sql> alter tablespace TS2 Add datafile '/oracle/ts04.dbf ' size 2M autoextend on next 2M maxsize 10M3/B. Changing the size of a data fileALTER DATABASE datafile ' PATH_.DBF ' resze size;-Add 8m to the TS tablespace data file;sql> ALTER DATABASE datafile '

Recently contacted Oracle again for work reasons, so re-acquainted with Oracle's basic commands.--Change Password1. Run-type "cmd" carriage return2. Type "Sqlplus/nolog" carriage return3. Type "Conn/as sysdba" carriage return4. Type "ALTER user Scott identified by Tiger;"--Normal User loginConn Scott/[email PROTECTED]:1521/ORCL--Account UnlockedConn Sys/sys as sysdba;--logged in as a DBAAlter user Scott account unlock;--and then unlock--Account AuthorizationGrant Create Session,create table,crea

Copy codeThe Code is as follows:BEGINDECLARE '@ I' int (11 );DECLARE '@ siteCount' int (11 );DECLARE '@ sqlstr' VARCHAR (2560 );DECLARE '@ sqlinsert' VARCHAR (2560); // DECLARE the variable aboveSelect count (0) into '@ siteCount' FROM tbl_base_site; // calculates the total number of records in the tbl_base_site table.Set '@ I' = 1;WHILE ('@ I'-1) * 300 SET @ sqlstr = CONCAT ('create TABLE tbl_base_syslog ',' @ I ',' (syslog_id INT (11) AUTO_INCREMENT PRIMARY KEY,Create_user VARCHAR (32 ),Descri

0.00 0.00 0.09 0.00 0.35 0.00 8.00 0.00 4.15 3.08 0.03dm-2 0.00 0.00 1.06 4.66 8.26 16.34 8.59 0.06 11.22 9.24 5.29dm-3 0.00 0.00 0.96 2.55 3.92 8.52 7.08 0.04 12.28 11.12 3.91dm-4 0.00 0.00 0.07 0.01 0.29 0.05 8.42 0.00 6.56 5.20 0.04dm-5 0.00 0.00 0.23 1.56 2.46 6.14 9.59 0.11

MySQL dynamically creates a table and stores data in table shards. For more information, see. MySQL dynamically creates a table and stores data in table shards. For more information, see. The Code is as follows: BEGIN DECLARE '@ I' int (11 ); DECLARE '@ siteCount' int (11 ); DECLARE '@ sqlstr' VARCHAR (2560 ); DECLARE '@ sqlinsert' VARCHAR (2560); // DECLARE the variable above Select count (0) into '@ siteCount' FROM tbl_base_site; // calculates the total number of records in the tbl_base_site

Oracle user-maneged recovery (2) Restoration Process for restoring data files to a new location: 1. use the operating system command to COPY the file to the new location 2. start and load the database 3. use the alter database command to update the control file, for example, alter database rename file 'xxxxxxxx' to 'xxxxxxxx '; SQL> create tablespace tbs_test datafile '/database/oradata/skyread/tbs_test.dbf' size 10 M; -- create a test table space Tablespace created. SQL> select file_name from d

; 7. Check database parameter information for parameters without default valuesCol name format A20Select name, value from V $ parameter where isdefault = 'false ';8. Check whether the default or temporary tablespace of the Database User information is system tablespace. Select user_id,Substr (username, 1, 15) username,Substr (password, 1, 15) password,Substr (default_tablespace, 1, 15) "Default TBS ",Substr (temporary_tablespace, 1, 15) "temporary

Preface: The definition of pseudo-original in Baidu encyclopedia is "the so-called pseudo-original is to put an articleArticleTo make the search engine think it is an original article, so as to increase the weight of the website ". In fact,ProgramFor ape, pseudo-original is "replacing a large number of synonyms in the Article ". Seo friends-especially those with black hat SEO-must know that pseudo-originality is critical to search engine optimization. The English pseudo-original is called "S

value of the data),but data has *inertia*. Migrating TBs of data on-the-fly isa massive undertaking compared to changing drcses or fixing theaverage logic error in your code. Recovering TBs of data whiledown, limited by what spindles can do for you, is a helplessfeeling.Databases are also complex systems that are effectively blackboxes to the end developer. By adopting a database system,you place absolu

space is self-contained:Note: Only self-contained tablespaces can be completely restored independently. Self-contained means that the objects in the tablespace do not depend on the objects in other tablespaces. For example, the objects indexed in the tablespace are basically in other tables. Space. The lob columns of some tables in this table are placed in other tablespaces. SQL> Conn/As sysdbaConnected.SQL> exec dbms_tts.transport_set_check ('tspitr _ TBS