By Thomas Kyte
I learn this booklet finish to finish, studying anything on each web page. it's filled with nice tips from recursive queries, how one can use the signals log as an exterior desk so that you can question up-time, how to define un-indexed FKeys and why they subject, to fundamentals like desk varieties, column kinds, index varieties (when might you utilize a opposite index?)... do you know that Kyte by no means makes use of CHAR? What box kind in the event you shop manually encrypted values in and why?
There are such a lot of worthwhile bits of knowledge during this e-book. record of while to not use a cluster (need to truncate?, have to complete scan?, heavy updates?, have to partition?). forms of partitioning and whilst to take advantage of them. different types of encryption and whilst to exploit them (sometimes encrypted facts is encrypted in reminiscence besides, and occasionally it is not. Is encrypted information constantly kept as encrypted while written to disk (Redo, Undo, Temp, Rollback)?). What gains can Exadata practice on the IO point (column filtering, row filtering, decryption, regex, etc). How's your parallel DML?
Kyte isn't just nice at Oracle. he is an exceptional instructor. regardless of the dry topic, Kyte makes it attainable to soak up what he has to share.
Recommendation: start this publication by way of fitting Oracle and allowing your self to stick to the examples. Kyte walks you thru how you can set it up ahead of web page 1.
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Additional info for Expert Oracle Database Architecture: Oracle Database Programming 9i, 10g, and 11g Techniques and Solutions, Second Edition, 2nd Edition
Xxxi Setting Up Your Environment In this section, I will cover how to set up an environment capable of executing the examples in this book. com website. Setting up the SCOTT/TIGER Schema The SCOTT/TIGER schema will often already exist in your database. It is generally included during a typical installation, but it is not a mandatory component of the database. You may install the SCOTT example schema into any database account; there is nothing magic about using the SCOTT account. You could install the EMP/DEPT tables directly into your own database account if you wish.
When it is complete, it exits SQL*Plus automatically, so don't be surprised when SQL*Plus disappears after running the script—it’s supposed to do that. The standard demo tables do not have any referential integrity defined on them. Some of my examples rely on them having referential integrity. sql, it is recommended you also execute the following: alter table emp add constraint emp_pk primary key(empno); alter table dept add constraint dept_pk primary key(deptno); alter table emp add constraint emp_fk_dept foreign key(deptno) references dept; alter table emp add constraint emp_fk_emp foreign key(mgr) references emp; This finishes off the installation of the demonstration schema.
The most obvious one is they didn’t know enough about what databases are or what they do to even find the lowest common denominator among them. • The developers encountered massive performance problems, data integrity problems, hanging issues, and the like (but very pretty screens). As a result of the inevitable performance problems, I now get called in to help solve the difficulties (in the past, I was the cause of such issues). On one particular occasion, I couldn’t fully remember the syntax of a new command we needed to use.