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1Z0-047 exam Dumps Source : Oracle Database SQL Expert
Test Code : 1Z0-047
Test cognomen : Oracle Database SQL Expert
Vendor cognomen : Oracle
: 278 real Questions
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Oracle Oracle Database SQL Expert
here is an excerpt from chapter one of the most upcoming Rampant Press technical booklet, Migrating to Oracle: skilled secrets emigrate from SQL Server and MySQL through Ben Prusinski.
Overview of Oracle Migration
Oracle migration is the process of touching from one database platform to a unique database platform. In contrast, a database upgrade would exist a circulation from one selected database version to a brand fresh and later unencumber of database application. there are lots of similarities between a database migration and a database upgrade. although, for utter least expensive functions, database migration can exist for instance to stream from Microsoft SQL Server 2000 to Oracle 10g. Most database vendors supply upgrade tools such as the Oracle database upgrade lieutenant (DBUA) and customized scripts to office upgrades.
however, the in condo rig to operate the more intricate and difficult migration manner from one specific database seller to a fresh platform are extremely confined and require senior database technical knowledge. Database migrations could exist performed due to cost compass constraints such because the licensing costs could exist saved with a migration from SQL Server 2000 to Oracle or from IBM DB2 to MySQL structures.
a further ingredient that at the flash drives the requirement for database migrations is that a particular database dealer might likewise not steer specific points akin to a standby database or perquisite time replication and the customer has a necessity emigrate off of a database platform that lacks these points and to fling to one that offers actual time replication and disaster restoration points.
for example, the MySQL database environment currently lacks the mighty capabilities of catastrophe restoration standby database and replication that can exist create with Oracle 10g Streams primarily based replication and Oracle 10g facts preserve standby database. For a huge high efficiency transaction ambiance that approaches thousands and thousands of transactions per second, a database migration to Oracle 10g from MySQL would acquire lots of experience.
manual techniques for Database Migration
whereas database carriers akin to Microsoft and Oracle provide database utilities that serve the database migration technique, there are occasions when a manual way is either required or most advantageous for finishing the database migration. as an example, there may well exist cases during which the software ambiance has legacy and residential grown code that should exist ported from Teradata to Oracle and to acquire exhaust of an automated device would parade near not possible. another reason for the usage of steer techniques to complete a database migration often is the excellent grain level of wield and customization it really is feasible with a bare bones custom system of migration the usage of scripts and manual conversion strategies. Yet another excuse may exist due to can impregnate and budget. Third party rig endure their prices that may exist out of compass of a consumer's finances.
so as to provide a comprehensive record of steer approaches for database migration to Oracle, the following methods can exist mentioned beneath.
Export and Import formulation for Database Migration (records Pump)
in this components, the database technician would apply the aboriginal database utilities for export and import to finished a manual information pump migration to Oracle. as an example, with Microsoft SQL Server 2000, a custom bcp script or DTS kit may well exist used to export the database definitions and data for later import into an Oracle database. The database structure and schema for utter the database objects would requisite to exist generated the exhaust of MS SQL Server transact SQL (T-SQL) scripts and kept tactics and then a fresh database constitution would deserve to exist created inside the future Oracle 10g database atmosphere.
The draw back to this approach is that skilled construction and database time could exist required to complete the steer translation of T-SQL scripts and records kinds to Oracle atmosphere. moveable tablespaces can even exist used with Oracle 10g migrations both from inside export or recovery supervisor (RMAN) scripts. although, the barrier is that a direct migration from MySQL or Microsoft SQL Server to Oracle is not feasible through moveable tablespaces.
Server stage replica and Cloning formulation
in this technique of manual database copy and clone, operating system degree and disk primarily based utilities may exist used to finished a section of the migration to Oracle from a further ambiance comparable to IBM DB2. for instance, if the particular atmosphere makes exhaust of EMC or Hitachi SAN based mostly storage, then a picture replica of the complete working gadget and statistics files may likewise exist taken as a snapshot and cloned to a brand fresh platform.
The downside is that a superb deal of steer coding and database alterations requisite to nevertheless exist carried out to migrate the database constructions and schemas to Oracle. this is not a informed approach for migration. Server level replica on the SAN or NAS stage is most excellent used with want to enjoy cloning of Oracle to Oracle databases in spot of as a unadulterated migration solution.
Replication for Database Migrations to Oracle
This system is possibly probably the most most commandeer methods for completion of manual database migrations to Oracle from SQL Server and MySQL. using the built in facilities in Oracle 10g, database replication strategies the exhaust of Oracle Streams and Oracle transparent Gateways proffer a viable manner to comprehensive database migration. changes may likewise exist captured from the source database platform throughout a TCP/IP community connection and queued to Oracle Streams queues for processing. despite the fact, as a result of the degree of complexity and substances to deploy replication and gateways, it poses special challenges for the sedulous database administrator.
Schema copy and DDL generation
This steer technique provides a potential option to comprehensive the manual migration to Oracle. The DBA would deserve to utilize the aboriginal database gadget stored approaches and features within MS SQL Server or MySQL to copy out the database buildings, mappings and schema DDL for the latest ambiance and map to the brand fresh Oracle database platform. This process is time consuming and carries a great margin of viable error.
the fresh Oracle 10g Database Workbench Migration (OMWB)
With utter of the challenges of completing a fancy and tangled database migration from MySQL or MS SQL Server, what choice is purchasable to third birthday party rig and manual custom techniques? Enter the brand fresh Oracle 10g Migration Workbench (OMWB) appliance now available from Oracle to complete your most tricky database migrations from MySQL and MS SQL Server to Oracle 10g. The Oracle Migration Workbench device gives a wealthy suite of robust utilities that automate a majority of the database migration projects that eat gigantic quantities of time with manual processes.
here are the actions to getting an Oracle Database certification:
1. associate Certification
the first phase to getting your Oracle is getting the affiliate Certification, which needed that the grownup goes two assessments to become an Oracle certified associate (OCA). With this certification, that you may labor in junior database as a tema member or an application developer. To find the affiliate certification, you requisite to efficiently circulate in one of the three assessments described under and the remaining “Oracle Database 11g: Administration I” analyze.
Step 1: prefer one in utter here three classes
Oracle Database 12c: SQL basic principles 1Z0–061
The evaluation assessments capability to make, find better, sustain and adjust counsel in a tips source. exceptionally, this implies an figuring out of elementary suggestions supply control ideas corresponding to relational tips supply. additionally, the should prefer into account and exhaust SQL is extremely fundamental, because the dissect will requisite you for instance your SQL progress talents.
Oracle Database SQL skilled 1Z0–047
In average, here's an resourceful edition of the “Introduction to Oracle9i SQL” analyze. you'll want abilities in 76 topics to achieve this contrast. You should endure a inordinate counsel of tips source issues, control rights, and equipment-degree concerns. The concerns are requisite astounding counsel of SQL, and are several areas in features, annoying exhaust of ideas as opposed to primary recall capabilities of options. suffer in tips source manage will provide you with a sizable expertise during this analyze.
Oracle Database 11g: SQL primary ideas I 1Z0–051
This dissect is a enhanced edition of the “Introduction to Oracle9i SQL” analyze. The content is newer and incorporates set and depending providers, that are lacking in the older version. for this reason, you can exist identifying this dissect over the former.
Step 2: Oracle Database 11g: Administration I 1Z0–052
The dissect wants tips on how to deploy tips source atmosphere and protected Oracle cases in any gadget environment. different concepts essential to successfully fling this evaluation encompass assistance of tips source back-up and restoration, Oracle Database constitution, as well as settings of security situations. The considerations want exhaust of ideas, now not just prefer into account expertise of suggestions.
2. knowledgeable Certification
The expert certification permits you to deal with sizable counsel source and acquire gigantic-scale assistance supply programs. In conclusion, to become an Oracle licensed expert (OCP), you ought to prefer an instructor-led direction, an examination and a palms-on route.
Step 1: exist an Oracle qualified associate
You endure to endure the OCA certification as a pre-requisite for this course.
Step 2: prefer an examination
The 2d phase within the OCP certification procedure is to prefer a direction from a call of about 50 courses and sit an examination. The record of these courses is purchasable on the Oracle website. The huge choice capability so that you can opt for the course this is most beneficial acceptable in your coaching standards. Look at that you simply can not are eligible of this course via self-look at; you requisite to prefer an instructor-led class, a web class or study through working towards-on-demand.
Step 3: Distribution of an Already entire path
in this phase, you're required to achieve up a formerly achieved direction from a record of 21 courses. in spite of this, Oracle allows for distribution from courses taken within the first section.
Step four: Oracle statistics source 11g: qualified knowledgeable Examination 11GOCM
this is the ultimate examination within the precise documentation manner. relocating this examination actually finishes the researching necessities for the complete Oracle certification procedure. although, there are a number of minimal steps needed to find the OCM documentation.
Step 5: fill up a path Distribution form
You requisite to publish this class to point out that you've got efficiently accomplished utter the programs obligatory to find the Oracle certified skilled certification.
Step 6: Distribution of a satisfaction rig Request
This classification is additionally offered moreover the route submission classification, and is the terminal want for the knowledgeable Certification system.
accordingly that you can exist section of the Oracle dba route in Pune to acquire to acquire your careere in this container.
Written by using Matthew Morris
posted: 11 may 2012
assessments 1Z0-047: Oracle Database SQL knowledgeable and 1Z0-051: Oracle Database 11g: SQL Fundamentals I both fulfill the SQL requirement on the Oracle 11g DBA and 11g Developer tracks. Which one in the event you take? Oracle Certification skilled Matthew Morris has the reply.
On the Oracle Certification forum, these two exams generate a gentle flood of questions from candidates asking which would exist more desirable for them to take. in this article, I debate both checks, their similarities and ameliorations and why you may are looking to prefer one over the other.
either of those tests satisfies the SQL requirement for the "Oracle Database 11g Administrator certified knowledgeable" song and likewise the "Oracle PL/SQL Developer certified affiliate" tune. Candidates following both the DBA or developer tracks generally prefer one of those two checks. I’ll exist sensible briefly that at the flash there's a 3rd choice, the a gross lot older “1Z0-007: Introduction to Oracle9i SQL”. This check turned into written in opposition t Oracle 9i as the cognomen suggests. It has no longer been up to date for more recent releases, and will likely exist retired in the no longer-too-far-off future. It isn't a Look at various that i would recommend pursuing. each 1Z0-047 and 1Z0-051 are geared in opposition t SQL towards an Oracle 11G database, and the Look at various targets for the two on the Oracle education site endure an excellent deal of commonality. it exist now not striking that there's confusion over which to take.
probably the most change between both is due to the content material. The the ease is the stage of issue of the tests and the diploma to which you must exist generic with Oracle SQL. The SQL Fundamentals exam is built round forty-one theme matters listed on the Oracle schooling web site. The issues don't look to exist 'elementary', but they definitely well the definition of 'fundamentals'. they're the basics that Oracle SQL builders basically should silent exist everyday with. The SQL knowledgeable theme matters consist of thirty-eight pulled at once from SQL Fundamentals, plus an additional thirty-eight past that. the vast majority of the exam questions near from the 2nd set, however the ease from the first set is just online game. This by myself would let you know that or not it's a a gross lot extra complicated exam to study for. furthermore, a just variety of the ‘professional’ theme matters are on subjects that even experienced SQL builders exhaust only on rare events.
The changes in the two assessments retract deeper than that. The SQL Fundamentals exam is fairly simple in its questions and answers. For a given question, reply A may exist obviously proper because answers B, C, and D endure SQL blunders that acquire them definitely invalid (assuming you comprehend your simple SQL). The reveals are basic; the SQL relatively brief; and the questions largely fact-based. against this, within the SQL professional exam, the questions are usually tons trickier. the incorrect solutions aren't rather as without doubt incorrect. they are more likely to involve SQL statements on the way to execute and not using a error, however with out returning records that solutions the query. You requisite to exist capable of believe just enjoy the Oracle SQL parser to check specially what a given SQL commentary will conclude when finished. The SQL and linked reveals are more tangled and more of the questions are experience-based mostly.
there is basically a benefit in taking the SQL knowledgeable examination instead of Fundamentals. you are going to now not simplest fulfill the SQL requirement for the DBA and developer tracks however additionally find a perquisite away standalone certification (Oracle Database: SQL licensed expert). besides the fact that children, you additionally evade a considerably greater possibility of failing the examination. for this reason, i'd recommend that candidates who're particularly fresh to SQL pursue the SQL Fundamentals exam.
Some candidates making this determination are experienced SQL builders who're smartly customary with most or utter of the themes in the SQL Fundamentals examination. For these people, i might recommend skipping to 1Z0-047. There isn't any benefit to passing the reduce-stage check when you've got ample erudition to circulate the skilled examination. Whichever you opt for, first rate luck on the verify.
about the writer
Matthew Morris is an skilled DBA and developer. He holds Oracle DBA Certifications for releases 7, 8i, 9i, 10G and 11G; and Oracle professional Certifications for SQL and software categorical; and is an Oracle PL/SQL Developer certified associate. he's the writer of a number of Oracle certification courses. His web website, www.oraclecertificationprep.com, is committed to providing hyperlinks to components for Oracle certification practise.
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The following is an excerpt from chapter one of the upcoming Rampant Press technical book, Migrating to Oracle: Expert Secrets to Migrate from SQL Server and MySQL by Ben Prusinski.
Overview of Oracle Migration
Oracle migration is the process of touching from one database platform to a different database platform. In contrast, a database upgrade would exist a movement from one particular database version to a fresh and later release of database software. There are many similarities between a database migration and a database upgrade. However, for utter reasonable purposes, database migration would exist for case to fling from Microsoft SQL Server 2000 to Oracle 10g. Most database vendors provide upgrade tools such as the Oracle database upgrade lieutenant (DBUA) and custom scripts to fulfill upgrades.
However, the in house tools to fulfill the more difficult and challenging migration process from one particular database vendor to a fresh platform are extremely limited and require senior database technical knowledge. Database migrations may exist performed due to budget constraints such as the licensing costs would exist saved with a migration from SQL Server 2000 to Oracle or from IBM DB2 to MySQL platforms.
Another factor that currently drives the requirement for database migrations is that a particular database vendor may not support specific features such as a standby database or real time replication and the client has a requisite to migrate off of a database platform that lacks these features and to fling to one that provides real time replication and disaster recovery features.
For example, the MySQL database environment currently lacks the robust capabilities of disaster recovery standby database and replication that are available with Oracle 10g Streams based replication and Oracle 10g Data Guard standby database. For a great high performance transaction environment that processes millions of transactions per second, a database migration to Oracle 10g from MySQL would acquire a lot of sense.
Manual Procedures for Database Migration
While database vendors such as Microsoft and Oracle provide database utilities that assist the database migration process, there are times when a manual process is either required or optimal for completing the database migration. For example, there may exist cases in which the application environment has legacy and home grown code that must exist ported from Teradata to Oracle and to exhaust an automated appliance would prove near impossible. Another reason for the usage of manual procedures to complete a database migration would exist the fine grain level of control and customization that is viable with a bare bones custom process of migration using scripts and manual conversion methods. Yet another reason may exist due to cost and budget. Third party tools endure their costs that may exist out of compass of a customer's budget.
In order to provide a comprehensive list of manual procedures for database migration to Oracle, the following methods will exist discussed below.
Export and Import way for Database Migration (Data Pump)
In this method, the database technician would apply the aboriginal database utilities for export and import to complete a manual data pump migration to Oracle. For example, with Microsoft SQL Server 2000, a custom bcp script or DTS package could exist used to export the database definitions and data for later import into an Oracle database. The database structure and schema for utter of the database objects would requisite to exist generated using MS SQL Server transact SQL (T-SQL) scripts and stored procedures and then a fresh database structure would requisite to exist created within the future Oracle 10g database environment.
The downside to this approach is that experienced progress and database time would exist required to complete the manual translation of T-SQL scripts and data types to Oracle environment. Transportable tablespaces can likewise exist used with Oracle 10g migrations either from within export or recovery manager (RMAN) scripts. However, the limitation is that a direct migration from MySQL or Microsoft SQL Server to Oracle is not viable through transportable tablespaces.
Server level Copy and Cloning Method
In this technique of manual database copy and clone, operating system level and disk based utilities may exist used to complete section of the migration to Oracle from another environment such as IBM DB2. For example, if the particular environment uses EMC or Hitachi SAN based storage, then an image copy of the entire operating system and data files can exist taken as a snapshot and cloned to a fresh platform.
The downside is that a mighty deal of manual coding and database changes must silent exist performed to migrate the database structures and schemas to Oracle. This is not a recommended approach for migration. Server level copy at the SAN or NAS level is best used with enjoy to enjoy cloning of Oracle to Oracle databases rather than as a unadulterated migration solution.
Replication for Database Migrations to Oracle
This way is possibly one of the best approaches for completion of manual database migrations to Oracle from SQL Server and MySQL. Using the built in facilities in Oracle 10g, database replication methods using Oracle Streams and Oracle Transparent Gateways proffer a viable manner to complete database migration. Changes can exist captured from the source database platform across a TCP/IP network connection and queued to Oracle Streams queues for processing. However, due to the level of complexity and resources to deploy replication and gateways, it poses special challenges for the sedulous database administrator.
Schema Copy and DDL Generation
This manual process provides a potential way to complete the manual migration to Oracle. The DBA would requisite to utilize the aboriginal database system stored procedures and functions within MS SQL Server or MySQL to copy out the database structures, mappings and schema DDL for the current environment and map to the fresh Oracle database platform. This process is time consuming and contains a great margin of viable error.
The fresh Oracle 10g Database Workbench Migration (OMWB)
With utter of the challenges of completing a tangled and difficult database migration from MySQL or MS SQL Server, what alternative is available to third party tools and manual custom procedures? Enter the fresh Oracle 10g Migration Workbench (OMWB) appliance now available from Oracle to complete your most difficult database migrations from MySQL and MS SQL Server to Oracle 10g. The Oracle Migration Workbench appliance provides a affluent suite of robust utilities that automate a majority of the database migration tasks that consume great amounts of time with manual processes.
Here are the actions to getting an Oracle Database certification:
1. Associate Certification
The first phase to getting your Oracle is getting the Associate Certification, which needed that the person goes two assessments to become an Oracle Certified Associate (OCA). With this certification, you can labor in junior database as a tema member or an application developer. To find the associate certification, you endure to successfully pass in one of the three assessments described below and the terminal “Oracle Database 11g: Administration I” analyze.
Step 1: prefer one of the following three courses
Oracle Database 12c: SQL Basic principles 1Z0–061
The evaluation assessments capability to make, recover, sustain and modify information in a information source. Mainly, this implies an understanding of essential information source control ideas such as relational information source. Furthermore, the requisite to understand and exhaust SQL is extremely essential, as the dissect will requisite you to illustrate your SQL progress abilities.
Oracle Database SQL Professional 1Z0–047
In common, this is an innovative edition of the “Introduction to Oracle9i SQL” analyze. You will requisite expertise in 76 subjects to achieve this evaluation. You requisite to endure a high information of information source things, control rights, and system-level concerns. The concerns are requisite stout information of SQL, and are several areas in characteristics, demanding exhaust of ideas rather than simple recall abilities of solutions. suffer in information source control will give you a significant odds in this analyze.
Oracle Database 11g: SQL Basic principles I 1Z0–051
This dissect is a greater edition of the “Introduction to Oracle9i SQL” analyze. The content is newer and contains set and depending providers, which are missing in the older edition. Therefore, you would exist better off selecting this dissect over the former.
Step 2: Oracle Database 11g: Administration I 1Z0–052
The dissect needs information on how to set up information source surroundings and protected Oracle circumstances in any system atmosphere. Other ideas needed to successfully pass this evaluation involve information of information source back-up and restoration, Oracle Database Structure, as well as settings of security circumstances. The concerns requisite exhaust of ideas, not just recall abilities of information.
2. Professional Certification
The professional certification allows you to wield huge information source and acquire large-scale information source programs. In conclusion, to become an Oracle Certified Professional (OCP), you endure to prefer an instructor-led course, an exam and a hands-on course.
Step 1: exist an Oracle Qualified Associate
You must endure the OCA certification as a pre-requisite for this course.
Step 2: prefer an Exam
The second phase in the OCP certification process is to prefer a course from a choice of about 50 programs and sit an exam. The record of these programs is available on the Oracle site. The wide choice means that you can elect the course that is best suited for your coaching specifications. solemnize that you cannot are eligible of this course through self-study; you endure to prefer an instructor-led category, an online category or learn through training-on-demand.
Step 3: Distribution of an Already Finished Course
In this phase, you are required to publish a formerly completed course from a record of 21 programs. On the other hand, Oracle allows distribution from programs taken in the first phase.
Step 4: Oracle Data source 11g: Qualified Expert Examination 11GOCM
This is the final exam in the actual documentation procedure. touching this exam basically finishes the learning specifications for the entire Oracle certification procedure. However, there are a few minimal steps needed to find the OCM documentation.
Step 5: Fill up a Course Distribution Form
You endure to publish this character to point out that you endure efficiently finished utter the programs needed to find the Oracle Qualified Expert certification.
Step 6: Distribution of a Satisfaction Kit Request
This character is likewise presented in addition to the course submission type, and is the terminal requisite for the Expert Certification procedure.
Thus you can link the Oracle dba course in Pune to acquire to acquire your careere in this field.
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