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Availability requirements for database systems are more stringent than ever before with the widespread use of databases as the foundation for ebusiness. This paper highlights <i>Fast-Start</i>#8482; <i>Fault Recovery</i>, an important availability feature in Oracle, designed to expedite recovery from unplanned outages. Fast-Start allows the administrator to… (More)
The Oracle Database In-Memory Option allows Oracle to function as the industry-first dual-format in-memory database. Row formats are ideal for OLTP workloads which typically use indexes to limit their data access to a small set of rows, while column formats are better suited for Analytic operations which typically examine a small number of columns from a… (More)
Modern enterprise, web, and multimedia applications are generating unstructured content at unforeseen volumes in the form of documents, texts, and media files. Such content is generally associated with relational data such as user names, location tags, and timestamps. Storage of unstructured content in a relational database would guarantee the same… (More)
State-of-the-art OLTP systems execute distributed transactions using XA-2PC protocol, a presumed-abort variant of the Two-Phase Commit (2PC) protocol. While the XA specification provides for the Read-Only and 1PC optimizations of 2PC, it does not deal with another important optimization, coined Nested 2PC. In this paper, we describe the Logging Last… (More)
Transcatheter creation of a de novo fenestration of a total cavopulmonary connection baffle has not been previously reported from India. We present our experience with such a procedure in a 4-year-old child with recurrent pleural effusions in the early postoperative period.