Splunk is a software platform to search, analyse & visualize the machine generated data gathered from different websites, applications, sensors,...
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Primary Key Constraints A primary key constraint designates a column as the primary key of a table or view. A...
This property specifies connection information used to connect to an Oracle database. The Oracle installer generally places a sample tnsnames.ora...
Identify if Grid ASM is Cluster ware or High Availability Solution Check in OS Platform (Oracle /Redhat Linux) if ];then...
Scenario: If current Archivelog mountpoint is full then we want to change the Archivelog destination in the database. It can...
SQL> alter database open resetlogs; alter database open resetlogs * ERROR at line 1: ORA-01194: file 1 needs more recovery to...
cassandra -f ./nodetool status ./nodetool ring ./nodetool -h 192.168.0.101 clean ./nodetool -h 192.168.0.101 info ./nodetool -h 192.168.0.101 compact ./nodetool flush...
PROCESSES specifies the maximum number of operating system user processes that can simultaneously connect to Oracle. Its value should allow for...
To identify the number of diskgroup ,status from below query. select group_number,name from v$asm_diskgroup; select group_number, name, state, type from...
DB_NAME On a primary database, specify the name used when the database was created. On a physical standby database, use...
Oracle hangs only when he is waiting for a resource. It might be a software resource (a latch or lock),...
Data Concurrency A requirement of a multiuser RDBMS is the control of data concurrency, which is the simultaneous access of...
12.2 Index Advanced Compression “High” Let’s begin by creating a table and explicitly creating a NOCOMPRESS index in the WHALE...
The specific methods for creating a database are: With Database Configuration Assistant (DBCA), a graphical tool.With the CREATE DATABASE SQL statement. 1. Specify an...
Normally if you are trying to shrink a compressed table lets say you get below error, and the trick to...
Space allocation in the UNDO tablespace is unique and does not follow the same rules as normal tablespaces. Data within...
SYSTEM Tablespace is Growing Abnormally in 12c My SYSTEM tablespace was growing rapidly. This was happening in my test environment....
A transaction is a logical, atomic unit of work that contains one or more SQL statements. A transaction groups SQL...
Cluster Verification Utility (CVU) ... Oracle Enterprise Manager ... SQL*Plus ... Server Control (SRVCTL) ... Database Configuration Assistant ... Fleet...
Adding Disks to a Disk Group is done with the "alter diskgroup" command.Oracle provides the alter diskgroup command to adding...
A database link (DBlink) is a definition of how to establish a connection from one Oracle database to another. Type...
In v$parameter we can find one column ie. ISSYS_MODIFIABLE. This column contains three phases: 1) Immediate 2) Deferred 3) False...
SQL> create pluggable database PDB1 from DEV1 create_file_dest='+DEV_DG_FLASH'; Pluggable database created. SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ----------...
Data Consistency In Oracle Database, each user must see a consistent view of the data, including visible changes made by...