A collection of grouped information organized in such a way that a simple computer program can select the desired data according to the requirement, in IT terminology it is called database. It is an application that manages the data & allows fast storage & retrieval of data. There are different types of databases, but the most popular among all is relational database. It stores data in tables where each row holds the same sort of information. Relational databases are currently the predominant choice in storing financial records, manufacturing and logistical information, personnel data and much more. Oracle and SQL Server are popular commercial relational databases.
A database management system (DBMS) is software that has been created to allow the efficient use and management of databases, including ensuring that data is consistent and correct and facilitating it’s updating. For small, single user databases, all functions are often managed by a single program; for larger and multi-user databases, multiple programs are usually involved and client-server architecture is generally employed. Software database drivers are available for most database platforms so that application software can use a common Application Programming Interface (API) to retrieve the information stored in a database. Two commonly used database APIs are JDBC and ODBC.
If you are a database administrator professional and you need to improve your skills or want to upgrade your resume, then you should go for certification in database administration. Perhaps you had just started your career in database administration & you like to make a mark in your field. Thereare various database administration certification provided by some popular database vendors.
Microsoft Certified Database Administrator (MCDBA) - It’s a certification designed for professional who implement, design & administer SQL databases. It’s appropriate for those individual who handles all the database related work starting from creating the database till managing the database. The job roles for Microsoft certified database administrator professionals include: database administrator, analyst, & developers. MCDBA is a part of previous MCP certifications.
Oracle Oracle has introduced a wide range of certification programs for entry level to experienced professionals and for domains ranging from database administration, database management to programming, web development and other advanced technologies. For Database Administration related certifications are discussed in two parts.
Entry Level
Oracle’s OCA DBA 9i & 10g - They are designed to certify foundation skills in an individual for database administration. If you want to go OCP 9i or 10g exams, then you should be an OCA DBA 9i or 10g. There are no prerequisites for OCA DBA 9i & 10g certification; it would be helpful if you have experience working with SQL and Oracle database or other databases. OCA 9i & 10g certified professionals find appropriate job easily & get paid more.
Professional Level
Oracle’s OCP DBA 9i - OCP status prove that you have achieved a high level of oracle database design & implementation skills. As an OCP certified professional, your employers & customers will be confident in your knowledge, skills to design, develop & implement solutions. The prerequisite for OCP DBA 9i certification is the OCA certification. You have to take two tests to achieve this certification.
Oracle’s OCP DBA 10g - It requires skills that include implementing & managing complex Oracle Database 10g functions, recovering and tuning the database using advanced tools and technologies. The OCP DBA 10g is an advanced certification targeted towards DBAs having full experience on Oracle databases. The prerequisite for OCP DBA 10g certification is the OCA 10g certification. The OCP certification is highly demanded. Employers prefer professionals holding the OCP DBA 10g certification, as they can be sure that he has a solid foundation of skills needed for effective performance in the workplace.
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