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Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water. [4] Acoustic location in air was used before the introduction of radar. Sonar may also be used for robot navigation, [5] and sodar (an upward-looking in-air sonar) is used for atmospheric investigations.
DELETE requires a shared table lock; Triggers fire; DELETE can be used in the case of: database link; DELETE returns the number of records deleted; Transaction log - DELETE needs to read records, check constraints, update block, update indexes, and generate redo / undo. All of this takes time, hence it takes time much longer than with TRUNCATE
A Top Gear mobile phone game also features the track. [47] The game Gran Turismo 5, developed by Polyphony Digital features a fully rendered version of the Top Gear track. Players have the ability to drive and race on the track. The track also appeared in Forza Motorsport 4; the Top Gear logo appeared in a trailer for the game on the Top Gear ...
Sonar Kella, also Shonar Kella, is a 1971 mystery novel written by Bengali writer and filmmaker Satyajit Ray. [1] [2] In 1974, Ray directed a film adaption of the book, also named Sonar Kella, starring Soumitra Chatterjee, Santosh Dutta, Siddartha Chatterjee and Kushal Chakraborty.