Partition

                                                            PARTITIONING PARTITIONS :         Dividing  the large tables into small tables known as partitions Partition of single table can go in two different tablespaces Sorting can be done by partitioning thus we not require temporary tablespace Partition can be independently managed Backup and recovery… Read More

ORACLE TYPES OF AUDITING

                                                            AUDITING Auditing is for verification purpose     Types of auditing: Privilege level Statement level Object level To enable the auditing  audit_trail=true or db or os To disable the auditing audit_trail=false or none If the value is true it will enable the auditing and audit files… Read More

VI EDITOR COMMANDS

VI EDITOR COMMANDS $vi file1 Default mode will escape mode If u want switch into insert mode We have commands I : Current position insert mode A : at the end of the line insert mode a: next to the current position insert mode s:… Read More

Oracle : SPFILE AND PFILE

                                SPFILE   SPFILE IS SERVER PARAMETER FILE SPFILE IS A SEMI BINARY FILE. WE CANNOT EDIT MANUALLY WE CAN EDIT AS DYNAMICALLY BY USING ALTER SYSTEM ITS SPECIALY MADE FOR RAC (REAL APPLICATION CLUSTER) WE CAN CREATE SPFILE AT ANY STAGE(nomount,mount,open) IF YOUR DATABASE… Read More

Oracle : USER MANAGEMENT

                                                USER MANAGEMENT How to create user? Syntax sys>> create user <username> identified by <password>; Create user u1 identified by u1; How to assign the privileges to user? Grant connect,resource to u1; How to assign the tablespace to user? Alter user u1 default tablespace userdata;… Read More

Oracle : TABLESPACE MANAGEMENT

TABLESPACE MANAGEMENT WHAT IS TABLESPACE ? IT’S A LOGICAL LINK BETWEEN USER AND DATAFILES.IT IS LOGICAL STORAGE OF DATA   DICTIONARY: EXTENTS INFORMATION WILL GET FROM BASE TABLES LOCAL: EXTENTS INFORMATION WILL GET FROM DATAFILE HEADERS TABLESPACE MANAGEMENT   HOW TO CREATE THE TABLESPACE SYS>>… Read More