Oracle DBA services


  • Oracle remote and on site dba support services up to 24x7.

We provide long-term DBA support and DBA outsourcing services to organizations that require expert support on a permanent basis. The services are delivered remotely or locally. Beginning on 2011 we are providing the most demanding kind of support dba services: standby availability 24x7 for mission critical databases.

  • Oracle database migrations, older to newer Oracle versions.

A frequent request is the upgrade of an older Oracle database version (8i, 9i) to the newest versions of Oracle 11g, Oracle 12c and the latest arrival release of Oracle 18c to take advantage of the new capabilities. We have strong experience on the upgrade process which actually is a new installation and requires deep knowledge of the new version, to avoid and face problems that can arise during and after taking the step to the new database.

  • EU General Data Protection Regulation (GDPR) compliance.

EU General Data Protection Regulation (GDPR) sets the new standards on how you should keep your database data safe and protected. As Oracle Database Specialists we can ensure you that your Oracle Database will be compliant to the new regulations, that are mandatory as of 25th of May 2018, of GDPR. We are using Oracle Database security products such as Database Firewall, TDE, Database Vault, Virtual Private Database (VPD) and more to ensure your response to the GDPR.

  • Ηigh availability Oracle database Real Application Clusters (RAC) design και installations - Single instance Oracle database design και installations.

We implement 24x7 architectures using the advanced Oracle Real Application Clusters (RAC) technology, the Data Guard technology or the combination of both. Each technology serves different high availability requirements. The Oracle RAC solution - grid computing, a really unique active - active technology, targets business environments that require high database scalability and availability. We can also examine your current database workload and give you an opinion if moving to a RAC solution can improve your database workload capabilities. Keep in mind that the RAC solution doesn't fit all performance requirements.

Single instance design, installation, data loading and sql tuning on the new Oracle 12c and Oracle 18c database.

  • Oracle database performance tuning - sql tuning, overall performance optimization.

Do you think your database over-utilizes it's resources? Do you have reports that suddenly take hours to complete? Common scenarios are databases that "push" the cpu usage over 90% or are i/o and "sequential read" bound. We can help το face these common problems in two steps.

1. We analyze your database workload and scan all the reasons for the bottlenecks of your system. This process can get complex and could require long time periods to complete. The reasons for bad performance could be inefficient instance configuration, physical configuration, inefficient sql executions and many more.

2. After evaluating and identify the sources of your delays we take corrective actions or propose what your solutions are. In both cases your result will be a safer and faster database for your business environment. To prove the improvement in the response time, we use widely accepted Oracle database metrics.

  • Oracle Weblogic Application Server 12c.

We install, configure, manage and fine tune the new powerful and market leading Oracle web application server, Weblogic Server 12c fully compliant with the Java EE standards. We deploy applications in single Weblogic Instances or Weblogic Server Clusters, secure and performance tune them.

  • Oracle e-business suite (EBS) and Oracle Applications 11i / R12 installation and administration.

We install and administer Oracle Applications as part of the E-business suite(EBS).

  • Custom application development.

Using Java, Oracle ADF, PL/SQL and APEX technologies we design and develop applications suitable to your business needs.

  • Oracle database security regulations.

Design strategies and use Oracle products to help your business to build a database compliant with regulations such as Sarbanes-Oxley (SOx), Payment Card Industry (PCI) and Health Insurance Portability and Accountability Act (HIPAA). We provide this special kind of services to organizations to help them achieve the level of security that the well known regulations require.

  • Oracle database security regulations.

Design strategies and use Oracle products to help your business to build a database compliant with regulations such as Sarbanes-Oxley (SOx), Payment Card Industry (PCI) and Health Insurance Portability and Accountability Act (HIPAA). We provide this special kind of services to organizations to help them achieve the level of security that the well known regulations require.

  • Partitioning strategies and designs.

We evaluate your schema and your workload to help you design a partitioning strategy to handle the big performance problems of how to scan tables and indexes that could reach 30 or 40 Gb and more.

  • Recruitment planning & services.

Need to recruit your IT department with Oracle professionals (DBAs and Developers) to cover you business needs ? We can evaluate the candidates to ensure they have the required technological background and know-how.

  • Planning and Design.

Professional planning, design and project management for new Oracle database installations.

  • Efficient backup policies.

RMAN scripting that guarantees fast and secure backups. Complete end to end solutions with Oracle Secure Backup©.

Our experience extends from small and medium criticality to 24x7 critical databases of large organizations. We have installed and optimized the Oracle database server for custom applications and big ERPs like Oracle e-business© and SAP© and for all the major Unix versions like HP© UX, RedHat© AS Linux, Suse© ES Linux, Solaris©, IBM© AIX and the Microsoft Windows Server.