Services provided as per below 

Support in writing really complex SQL queries for reports and PL/SQL code like stored procedures, functions, triggers and packages. 

writing scripts on advance SQL & PL/SQL concepts. 

Support for analyzing and Improving Performance SQL & PL/SQL using tuning tools and techniques. 

Support for Oracle SQL Queries and PL/SQL code 

All coding standards are followed During development 

Alter existing functionality of Applications 

Triggers on System, Schema or Tables 

Write Optimized Static and Dynamic SQL and PL/SQL 

Optimization of existing SQL Queries and PL/SQL Code 

Creating / Altering a Tables/ Indexes / Views / External Tables / Materialized View etc.

 Guarding Against SQL Injection Scheduler for Automating task 

Effectively made use of Constraints, Table Functions, Indexes, Partitions, Type , Records, Regular Expression, Bulk collect, Collections, Exception Handling, Analytical functions, Ref cursors, Dynamic SQL, Materialized Views, Query Re-Write, Explain plan and Hints.