A graph database is defined as a specialized, single-purpose platform for creating and manipulating graphs. Graphs contain nodes, edges, and properties, all of which are used to represent and store data in a way that relational databases are not equipped to do. Graph analytics is another commo...
What Is a Container Database? With the release of Oracle Database 23ai in 2024, the “container database” has been a key feature. Also, beginning with Oracle Database 21c, a multitenant container database is the only supported architecture. Like a “pluggable database,” it essentially ma...
Backup and recovery – ensure the integrity of the data in case of system failure. Oracle includes a powerful tool called Recovery Manager (RMAN) – allows DBA to perform cold, hot, and incremental database backups and point-in-time recoveries. Clustering – Oracle Real Application Clusters (R...
For more information, see What is a contained availability group? Distributed availability group Now using multiple TCP connections for better network bandwidth utilization across a remote link with long tcp latencies. Improved backup metadata backupset system table returns last valid restore time. See ...
What is it? The DUAL table is a dummy table in Oracle databases. It’s used for selecting data from system functions and calculations when you don’t need any data from the database. An example of using the DUAL table would be:
Values for the COMPATIBLE Initialization Parameter in Oracle Database Review to find the default, minimum, and maximum values forCOMPATIBLE. The following table lists the default, minimum, and maximum values of theCOMPATIBLEinitialization parameter in Oracle Database 12cand in each release supported for...
Using multiple database tables In many database designs, information is distributed to multiple tables. The following image shows two tables, one for employee information and one for employee addresses: In this example, each table contains a column named EmpID. This column associates a row of the...
BigTable(link resides outside ibm.com) Neo4j HBase When to use SQL vs NoSQL When to use SQL SQL is a good choice when working with related data. Relational databases are efficient, flexible and easily accessed by any application. A benefit of a relational database is that when one user...
However, using Virtual Machines (VMs) on IaaS and Containers with Kubernetes (K8s) are also doing well in the market. Q: How are you moving your databases to the cloud? Answer% of responses Virtual Machines on laaS 10% K8s and Containers 35% Database as a Service 55% Whi...
The instance is a table with rows or columns Schema specifies the structure like name of the relation, type of each column and name. This model uses some mathematical concept like set theory and predicate logic. The first internet database application had been created in 1995. ...