Tablespace

in a tablespace eliminates free space fragmentation and encourages high performance. However, this requires grouping segments by extent size to balance the number of extents per segment, leading to wasted space from excessive extent sizes. Extent sizes of 128 KB for small tables, 1 MB for large feature classes, and 128 MB for large rasters are reasonable, though you can customize these values based on your own environment and research. Separate read-only data from writable data If a tablespace contains

Key IS561 – Week 2 iLab STEP 1: Working with Dictionary-Managed and Oracle-Managed Files (10 points) Scenario: As the DBA for your company, you have decided to install a new version of the Oracle Enterprise database to replace the current database version being used. The old database has become a constant headache and seems to be causing an overload on the disk drive's I/O channels. Further analysis has also shown that two primary large tables are the main points of access. These tables

Oracle DBAs employ and manipulate users and roles, as well as various other objects on a daily basis. They do not belong to a schema similar to other objects, including profiles and tablespaces. Users and roles access schema objects like tables, views, synonyms, and indexes. Even novice DBAs possess a reasonable awareness of working with tables including querying, updating, reading, and deleting data from them. Because tables can easily expand in row numbers, performance will inevitably suffer. An

Rania Hanna SDEV 350: Homework 2 Database Architecture Comparison Oracle 12c vs MySQL MySQL was used as a comparison to Oracle 12c since my company currently uses MySQL in their database development. My role as a technical writer at my company does not require me to fully understand our database work, but as I move more into a software engineer position, possibly at my current company, I recognize the need to know and relate to the database my company uses. Architecture of Oracle 12c: Physical

Cara’s songs are often described as the “Anthem for Outsiders” the song Wild Things is no exception. In the first stanza the scene is being set when describing the pressures of society to fit in and be like everyone else as said by the line, “Find tablespaces / Say your social graces / Bow your head, they're pious here / But you and I, we're pioneers” The message Ms. Cara is trying to get across that people are pious, meaning having or showing appropriate respect or regard for others. This is saying

served as CEO of Oracle till mid of September 2014. Oracle database is an object relational database management system produced and marketed by Oracle Corporation. The Oracle RDBMS stores the data logically in the form of tablespaces and physically in the form of data files. Tablespaces can contain variour types of memory segments such as data segments, Index segments etc. Segments in turn contains one or more extents. Extents contains groups of contiguous data blocks. Data blocks form the basic units

I began walking inside when I noticed Dorothy, still standing by the gates with a look of fear flashing across her face. “Why am I here?” Dorothys eyes stopped wandering and were now looking straight into mine. “Those shoes you are wearing mean a lot to someone, she wants them and will stop at nothing to get them.” In this moment I felt Diverse, she did not understand anything that was happening and I felt bad. Dorothy walked closer to me “Why would anyone want a random pair of shoes, what significance

DBMS Database Management System or DBMS is a collecting computer program used for creating, deleting, editing and maintaining collections of different data records. There are many different types of database management systems; they are used to stored, managed database model. Different DBMS systems are Relational Database System, Flat Files Base Database Management, Hierarchical Database Management Systems, Network Database Management System and Object-oriented Database Management Systems. ()

Row Level Security/ Virtual Private Database Row level security is important in this application because data related to many different users are stored in the database. It would be wasteful to assign each student to their own database, hence the need of a centralized database , but we cannot give full access to the data by the student. Consider an instance where a student should only be able to view or modify the rows of data that matters specifically to him. We can achieve this through creating

Applications Roles. Fine-Grained Access Control. Fixed server, database, and users roles. Ownership and User-schema separation. Least privileges. Role-based. Ownership chains. Data Encryption Key-based transparent data encryption of columns and tablespaces. Internal certificate store manages asymmetric or symmetric keys and certificates. Auditing Enterprise Manager administers various types, records, and trails. SQL Server Audit trace events, notifications, successful and unsuccessful logins. Strengths