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About Oracle PartnerNetwork? Oracle PartnerNetwork (OPN) is Oracle’s accomplice program that gives companions with a differentiated competencies to boost, promote and build into sequel Oracle solutions. OPN presents substances to drill and assist really expert capabilities of Oracle’s products and solutions and has evolved to recognize Oracle’s transforming into product portfolio, associate base and company possibility. Key to the latest enhancements to OPN is the skill for companions to exist identified and rewarded for his or her funding in Oracle Cloud. partners engaging with Oracle could exist able to differentiate their Oracle Cloud expertise and success with valued clientele throughout the OPN Cloud software – an inventive software that complements latest OPN application degrees with tiers of cognizance and revolutionary merits for partners working with Oracle Cloud. To find out greater quest counsel from:?http://www.oracle.com/companions.
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these days, with perhaps slightly smaller enthusiasm, a opt for few can furthermore exist maintained of a rare and powerful approach—Oracle Database Administrator Certification. It quiet gives handsomely, but you need not sit down on a tripod in an weak temple to utilize it. Receiving it, youngsters, is outright the time a trip.
1) gain Lighted Early
If the ultimate direct is Oracle DBA Certification, you've got first to examine to exist an Oracle certified affiliate (OCA). This formula entirely takes time and lots of guidance. you are taking two examinations and qualify to travail as allotment of a crew on junior DB management.
both examinations present alternate options. that you could grasp and clear anybody of those three:
· Oracle Database 12c: SQL Fundamentals 1Z0-061—can you create, recuperate, exploit and edit records in a database? did you know, and may you utilize, SQL? You can exist asked to application in SQL
· Oracle Database 11g: SQL Fundamentals-I 1Z0-051—this greater or much less succeeds “Introduction to Oracle9i SQL” with 64 questions to respond in 2 hours. Questions involve offering facts from assorted tables; recovering, sorting and restraining data; creating schema objects; and handling set operators.
To own a superb occasion of clearing any one of those, grasp skills of oraclestudy.com or acquire a necessary a allotment of this training as a element of an undergraduate degree software in database programming. you'll additionally require passing the Oracle Database 11g: Administration-I 1Z0-052 examination.
The Oracle Database 11g: Administration-I 1Z0-052 examination is a 90-minute examine wherein you set up DB environments, creating and preserving multiple Oracle situations. Configure and secure these conditions, exhibit the expertise of database backup and restoration, and administrate and manage storage preparations. You must no longer most effective comprehend the appropriate respond but the redress slip for answering the issue.
2) exist vigilant of the distinction between OCD and OCP
It is redress that numerous database administrators cash in on performing to own obsessive-compulsive disease (OCD) however to accumulate to the heights of Oracle DB Administrator certification, you need to become an Oracle certified skilled (OCP). This issue shows (after already being an OCA) taking two courses and passing an exam in both DB 11g or DB 12c.
The path selection between 11g and 12c is superb. These lessons should exist tutor-led, a virtual classification, or training on require circumstances.
3) transfigure yourself to master
grasp certification is the Oracle belfry. An Oracle licensed master (OCM) can travail at advanced ranges in IT departments well-nigh anyplace, coping with mild statistics, explaining complicated challenges, and getting lofty salaries.
The requirement for OCM is OCA and OCP. comprehensive two further lessons (comparable to the coursework for OCP) which are teacher-led, digital, or practicing-on-demand. also, post outcomes of a outdated session, then select the Oracle Database 11g: certified grasp exam 11G (OCM). to quote from Oracle’s site:
individuals scored on their talent to complete indicated projects and to recoup from a variety of database flop situations. facts from each participant's environment is acquired on the End of each and every situation and used to check the closing ranking. In some scenes, members might furthermore obtain partial credit, youngsters the lack of talent to accumulate well from a failure scenario outcomes in zero assurance for an entire situation.
four) salary from DB certification
if you're downcast as you scale these obstacles of Oracle Database Administrator Certification necessities and assessments, learn what may additionally anticipate you: expanded earnings. based on Oracle’s profits Survey, amongst North American contributors, the pay incompatibility for simple salary is exciting:
· Oracle licensed: $99,190
· Non-licensed: $ninety two,276
The Bureau of Labor records (BLS)—might exist a much less biased journalist than Oracle itself notes that the median annual wage for outright DB directors, as of can furthermore 2016, become $84,950, with an predicted 10 % job augment via 2024.
5) instruct your self
a fine vicinity to start the pilgrim’s path to Oracle Database Administrator Certification is through taking on-line apply tests provides via oraclestudy.com with a attention in Database Programming. visit oracle resolve these days to learn what the the following day might hold for you! It could exist the best resolution You Ever Make!
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If you are close with advanced PL/SQL progress concepts and want to gain the jump from OCA to OCP certification, quest this is the exam for you.
1Z0-146: Oracle Database 11g: Advanced PL/SQL is the eventual of three exams required to become an Oracle Advanced PL/SQL Developer Certified Professional. This is currently the highest flat of certification offered by Oracle in the PL/SQL progress track and is intended for developers who are currently an Oracle PL/SQL Developer Certified Associate. Unlike many of the OCP certifications, there is no instructor-led training requirement for the PL/SQL developer tracks.
There is a second option on the progress track for Oracle PL/SQL Developer Certified Associates that want to become OCP-certified. Candidates who pass the exam 1Z0-141: Oracle Forms: Build Internet Applications will become an Oracle Forms Developer Certified Professional. It is furthermore workable to obtain the Advanced PL/SQL and Forms OCPs by passing both tests, of course.
Anyone pursuing this exam should already own passed one of two PL/SQL fundamentals exams: 1Z0-144 or 1Z0-147. These tests deal with basic concepts that ought to exist a given for any developer. As the cognomen suggests, the 1Z0-146 exam covers PL/SQL topics well advanced over those contained in either of the two lower-level exams. The Advanced PL/SQL exam includes topics in the following areas:
A unprejudiced amount of the matter matter in this exam is in areas that even PL/SQL developers with years of experience may never own used. That means preparing for 1Z0-146 can potentially improve the skills and scholarship even of veteran coders. In addition, many of the topics require experience coding real-world PL/SQL applications to gain their value obvious. A candidate unusual to PL/SQL might well sensation how a particular capability could ever prove useful. An experienced developer reading about the very capability might perceive it as exactly what they need for a project they are currently working on.
Development | NewsOracle Updates Free Database progress Tool
Oracle has released the latest version of its free graphical database progress tool, Oracle SQL Developer 3.0. SQL Developer 3.0 connects to any Oracle Database version 11g, 10g, or 9i (release 184.108.40.206 and later). It can furthermore connect to third-party databases for the purposes of viewing metadata and data only. It enables developers to browse database objects, hasten SQL statements and scripts, edit and debug PL/SQL statements, and hasten custom or pre-defined reports.
This version is designed to simplify database migration and improve progress and database administration tasks with unusual Query Builder, DBA Navigator, and Schedule Builder tools. It furthermore introduces an Oracle Data Miner extension and advocate for Oracle Spatial. Oracle Data Miner identifies patterns to provide deeper insight to database analysis. Oracle Spatial enhances geospatial data to meet the needs of advanced geographic information system (GIS) applications.
New features of Oracle SQL Developer 3.0 include:
Oracle SQL Developer 3.0 for Windows, Mac, or Linux is available for download here.Editor's note: This article has been modified since its original publication to redress a factual error. As one reader pointed out, they incorrectly started that SQL Developer 3.0 worked only with Oracle 11g or later. The redress information, as now reflected in the text of the article, is: "SQL Developer 3.0 connects to any Oracle Database version 11g, 10g, or 9i (release 220.127.116.11 and later). It can furthermore connect to third-party databases for the purposes of viewing metadata and data only." [Last updated April 22, 2011 at 4:07 p.m.] --David Nagel
Leila Meyer is a technology writer based in British Columbia. She can exist reached at firstname.lastname@example.org.
@47383 This is an excerpt from Chapter 16 of the reserve "Oracle Database 11g SQL" by Jason Price, copyright 2008 from Oracle Press, a division of McGraw-Hill.Click here to download the plenary chapter.
In this chapter, you will conclude the following:
Introducing SQL Tuning
One of the main strengths of SQL is that you don't own to disclose the database exactly how to obtain the data requested. You simply hasten a query specifying the information you want, and the database software figures out the best course to accumulate it. Sometimes, you can improve the performance of your SQL statements by "tuning" them. In the following sections, you'll perceive tuning tips that can gain your queries hasten faster; later, you'll perceive more advanced tuning techniques.
Use a WHERE Clause to Filter Rows
Many novices retrieve outright the rows from a table when they only want one row (or a few rows). This is very wasteful. A better approach is to add a WHERE clause to a query. That way, you restrict the rows retrieved to just those actually needed.
For example, assure you want the details for customer #1 and #2. The following query retrieves outright the rows from the customers table in the store schema (wasteful):-- cross (retrieves outright rows from the customers table) SELECT * FROM customers; CUSTOMER_ID FIRST_NAME LAST_NAME DOB PHONE ----------- ---------- ---------- --------- ------------ 1 John Brown 01-JAN-65 800-555-1211 2 Cynthia Green 05-FEB-68 800-555-1212 3 Steve White 16-MAR-71 800-555-1213 4 Gail Black 800-555-1214 5 Doreen Blue 20-MAY-70
The next query adds a WHERE clause to the previous instance to just accumulate customer #1 and #2:-- worthy (uses a WHERE clause to circumscribe the rows retrieved) SELECT * FROM customers WHERE customer_id IN (1, 2); CUSTOMER_ID FIRST_NAME LAST_NAME DOB PHONE ----------- ---------- ---------- --------- ------------ 1 John Brown 01-JAN-65 800-555-1211 2 Cynthia Green 05-FEB-68 800-555-1212
You should avoid using functions in the WHERE clause, as that increases execution time.
Use Table Joins Rather than Multiple Queries
If you need information from multiple related tables, you should utilize combine conditions rather than multiple queries. In the following cross example, two queries are used to accumulate the product cognomen and the product nature cognomen for product #1 (using two queries is wasteful). The first query gets the cognomen and product_type_id column values from the products table for product #1. The second query then uses that product_type_id to accumulate the cognomen column from the product_types table.-- cross (two part queries when one would work) SELECT name, product_type_id FROM products WHERE product_id = 1; NAME PRODUCT_TYPE_ID ------------------------------ --------------- Modern Science 1 SELECT name FROM product_types WHERE product_type_id = 1; NAME ---------- Book Instead of using the two queries, you should write one query that uses a combine between the products and product_types tables. The following worthy query shows this: -- worthy (one query with a join)> SELECT p.name, pt.name FROM products p, product_types pt WHERE p.product_type_id = pt.product_type_id AND p.product_id = 1; This query results in the very product cognomen and product nature cognomen being retrieved as in the first example, but the results are obtained using one query. One query is generally more efficient than two. You should select the combine order in your query so that you combine fewer rows to tables later in the combine order. For example, assure you were joining three related tables named tab1, tab2, and tab3. Assume tab1 contains 1,000 rows, tab2 100 rows, and tab3 10 rows. You should join tab1 with tab2 first, followed by tab2 and tab3. Also, avoid joining intricate views in your queries, because doing so causes the queries for the views to exist hasten first, followed by your actual query. Instead, write your query using the tables rather than the views. Continue reading this chapter by downloading a free .pdf of SQL Tuning from Oracle Database 11g SQL. NAME NAME ------------------------------ ---------- Modern Science reserve
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Misc [1 Certification Exam(s) ]
Motorola [7 Certification Exam(s) ]
mySQL [4 Certification Exam(s) ]
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NI [1 Certification Exam(s) ]
NIELIT [1 Certification Exam(s) ]
Nokia [6 Certification Exam(s) ]
Nortel [130 Certification Exam(s) ]
Novell [37 Certification Exam(s) ]
OMG [10 Certification Exam(s) ]
Oracle [279 Certification Exam(s) ]
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PayPal [1 Certification Exam(s) ]
Pegasystems [12 Certification Exam(s) ]
PEOPLECERT [4 Certification Exam(s) ]
PMI [15 Certification Exam(s) ]
Polycom [2 Certification Exam(s) ]
PostgreSQL-CE [1 Certification Exam(s) ]
Prince2 [6 Certification Exam(s) ]
PRMIA [1 Certification Exam(s) ]
PsychCorp [1 Certification Exam(s) ]
PTCB [2 Certification Exam(s) ]
QAI [1 Certification Exam(s) ]
QlikView [1 Certification Exam(s) ]
Quality-Assurance [7 Certification Exam(s) ]
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Real-Estate [1 Certification Exam(s) ]
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RES [5 Certification Exam(s) ]
Riverbed [8 Certification Exam(s) ]
RSA [15 Certification Exam(s) ]
Sair [8 Certification Exam(s) ]
Salesforce [5 Certification Exam(s) ]
SANS [1 Certification Exam(s) ]
SAP [98 Certification Exam(s) ]
SASInstitute [15 Certification Exam(s) ]
SAT [1 Certification Exam(s) ]
SCO [10 Certification Exam(s) ]
SCP [6 Certification Exam(s) ]
SDI [3 Certification Exam(s) ]
See-Beyond [1 Certification Exam(s) ]
Siemens [1 Certification Exam(s) ]
Snia [7 Certification Exam(s) ]
SOA [15 Certification Exam(s) ]
Social-Work-Board [4 Certification Exam(s) ]
SpringSource [1 Certification Exam(s) ]
SUN [63 Certification Exam(s) ]
SUSE [1 Certification Exam(s) ]
Sybase [17 Certification Exam(s) ]
Symantec [134 Certification Exam(s) ]
Teacher-Certification [4 Certification Exam(s) ]
The-Open-Group [8 Certification Exam(s) ]
TIA [3 Certification Exam(s) ]
Tibco [18 Certification Exam(s) ]
Trainers [3 Certification Exam(s) ]
Trend [1 Certification Exam(s) ]
TruSecure [1 Certification Exam(s) ]
USMLE [1 Certification Exam(s) ]
VCE [6 Certification Exam(s) ]
Veeam [2 Certification Exam(s) ]
Veritas [33 Certification Exam(s) ]
Vmware [58 Certification Exam(s) ]
Wonderlic [2 Certification Exam(s) ]
Worldatwork [2 Certification Exam(s) ]
XML-Master [3 Certification Exam(s) ]
Zend [6 Certification Exam(s) ]
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