PL/SQL stands for Procedural Language extension of SQL. PL/SQL is a combination of SQL along with the procedural features of programming languages. It was developed by Oracle Corporation in the early ...

Identifying and tuning the most resource-intensive SQL statements is one of the highest-leverage activities a DBA can perform. A single poorly-written query can consume 90% of the CPU on a busy system ...

Oracle9i includes numerous data structures to improve the speed of Oracle SQL queries. Taking advantage of the low cost of disk storage, Oracle9i includes many new indexing algorithms that ...