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The cache was unable to validate the response, due to an inability to reach the origin server. 112 Disconnected Operation The cache is intentionally disconnected from the rest of the network. 113 Heuristic Expiration The cache heuristically chose a freshness lifetime greater than 24 hours and the response's age is greater than 24 hours.
Oracle Database (commonly referred to as Oracle DBMS, Oracle Autonomous Database, or simply as Oracle) is a proprietary multi-model [4] database management system produced and marketed by Oracle Corporation.
Berkeley DB, the C database library that is the subject of this article; Berkeley DB Java Edition, [15] a pure Java library whose design is modelled after the C library but is otherwise unrelated; Berkeley DB XML, [16] a C++ program that supports XQuery, and which includes a legacy version of the C database library
A variation of example 3 allows "Dynamic SQL" to be created in the source code, and then used to communicate with Rdb via a structure known as SQLDA (SQL Descriptor Area). On OpenVMS systems, Oracle Rdb is a popular (although expensive) upgrade path for applications written using Record Management Services (RMS) files.
A low code-rate close to zero implies a strong code that uses many redundant bits to achieve a good performance, while a large code-rate close to 1 implies a weak code. The redundant bits that protect the information have to be transferred using the same communication resources that they are trying to protect.
The main functionality of a write-ahead log can be summarized as: [3] Allow the page cache to buffer updates to disk-resident pages while ensuring durability semantics in the larger context of a database system. Persist all operations on disk until the cached copies of pages affected by these operations are synchronized on disk.
Oracle Forms 3 was the first version to allow PL/SQL to be used within Forms triggers and procedures/SQL Functions could also be used as an undocumented feature. Forms 3 was a character mode application and was primarily used in terminals such as Digital VT220 and PCs running Microsoft DOS.
[1] A simple example is when Process 1 has obtained an exclusive lock on Resource A, and Process 2 has obtained an exclusive lock on Resource B. If Process 1 then tries to lock Resource B, it will have to wait for Process 2 to release it. But if Process 2 then tries to lock Resource A, both processes will wait forever for each other.