Online Access Free 1z0-1093-25 Exam Questions

If the provisioned read capacity units (RCUs) are consistently underutilized for a NoSQL Database Cloud Service table, what is the MOST direct consequence?

• A.Increased storage efficiency.
• B.Reduced data durability.
• C.Unnecessary cost expenditure.
• D.Improved query performance.

When provisioning a Base Database Service (BaseDB) virtual machine (VM) instance in Oracle Cloud Infrastructure (OCI), which of the following actions MUST be performed before launching the DB system?

• A.Creating a Virtual Cloud Network (VCN) with appropriate subnets and security rules.
• B.Configuring Oracle GoldenGate replication.
• C.Configuring the Data Guard association between the VM and a standby database.
• D.Creating a backup policy for the database being provisioned.

Before migrating to MySQL HeatWave, what is the MOST important action to take regarding user accounts and privileges?

• A.Merge all user accounts into a single 'admin' account.
• B.Reset all user passwords to default values.
• C.Ensure all user accounts and privileges are compatible with MySQL 8.0, and recreate any incompatible accounts on the target instance.
• D.Delete all user accounts except for the root account.
• E.Migrate all user accounts to use external authentication (e.g., LDAP).

What is the PRIMARY benefit of using Recovery Manager (RMAN) with block change tracking enabled in a BaseDB environment for incremental backups?

• A.It allows for point-in-time recovery to any SCN (System Change Number) without restoring a full backup.
• B.It automatically encrypts all backups with a user-defined key.
• C.It significantly reduces the time required for incremental backups by only backing up changed blocks.
• D.It eliminates the need for full backups.
• E.It automatically validates the integrity of full backups during the backup process.

In comparing NoSQL databases with relational databases, what constitutes a fundamental difference in their approach to data relationships?

• A.Relational databases primarily rely on foreign keys to define relationships, while NoSQL databases often embed related data within a single document or use application-level links.
• B.NoSQL databases universally lack the ability to represent relationships between data elements.
• C.Relational databases offer no mechanism for defining relationships between different data sets.
• D.NoSQL databases exclusively use foreign keys to establish relationships, similar to relational database models.