By Ignatius Fernandez
Beginning Oracle Database 12c Administration is your access element right into a winning and pleasurable profession as an Oracle Database Administrator.
The chapters of this e-book are logically geared up into 4 components heavily monitoring the way in which your database management profession will obviously evolve. half 1 "Database recommendations" provides valuable heritage in relational database concept and Oracle Database strategies, half 2 "Database Implementation" teaches tips on how to enforce an Oracle database effectively, half three "Database aid" exposes you to the day-by-day regimen of a database administrator, and half four "Database Tuning" introduces the tremendous paintings of functionality tuning.
Beginning Oracle Database 12c Administration offers info that you just will not locate in different books on Oracle Database. you will find not just technical details, but additionally tips on paintings practices which are as very important on your good fortune as are your technical talents. The author's favourite bankruptcy is "The enormous photo and the 10 Deliverables." (It is the editor’s favourite bankruptcy too!) should you take the teachings in that bankruptcy to middle, you could fast turn into a stronger Oracle database administrator than you ever inspiration possible.
You will take hold of the major facets of idea at the back of relational database administration structures and find out how to:
• set up and configure an Oracle database, and make sure that it’s correctly licensed;
• Execute universal administration projects in a Linux environment;
• safeguard opposed to information loss by means of imposing sound backup and restoration practices; and
• increase database and question performance.
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Extra resources for Beginning Oracle Database 12c Administration: From Novice to Professional
The relationship between Oracle instances and databases is one-to-one (one instance per database), many-to-one (multiple instances per database), or one-to-many (Oracle Database 12c only). The many-to-one configuration is called Real Application Clusters (RAC)—the database lives on shared disks, and instances on multiple computers attach to the database. The one-to-many configuration is called the Oracle Multitenant option and—as the name implies—is an extra-cost optional feature of Oracle Database 12c.
You can also create large data files of fixed size, and you can create additional data files during the life of the database. dbf might be the name given to the first data file in the SYSTEM tablespace. But this is only a convention, not a requirement, and you may invent your own convention or choose not to have one. The space within data files is organized into data blocks (sometimes called pages) of equal size: 2, 4, 8, 16, 32, or 64 kilobytes (KB). 8KB is a commonly used block size. Each block contains data from just one table.
Finding the Day of the Week select to_char(sysdate, 'DAY') from dual; An equally important reason why database administrators need to understand SQL is that all database administration activities such as database maintenance and user management are also conducted in SQL. It should come as no surprise, therefore, that the Oracle Database 12c SQL Language Reference is almost 2,000 pages—compare this with the 20 or so pages in this chapter. 3 You can purchase a printed copy if you like having a mountain of paper on your desk.
Beginning Oracle Database 12c Administration: From Novice to Professional by Ignatius Fernandez