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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
phpMyAdmin is a free and open source administration tool for MySQL and MariaDB. As a portable web application written primarily in PHP , it has become one of the most popular MySQL administration tools, especially for web hosting services .
Query Profiler and Redundant Index Finder; All automated jobs have mail alerting and reporting options. Full character set/Unicode support; A "Data Search" [7] feature using a Google-type search syntax translated transparently for user to SQL. Form view [8] to display one row at a time; Foreign key lookup; Visual Data Compare [9]
In a database, a table is a collection of related data organized in table format; consisting of columns and rows. In relational databases , and flat file databases , a table is a set of data elements (values) using a model of vertical columns (identifiable by name) and horizontal rows , the cell being the unit where a row and column intersect ...
Comma-separated values (CSV) is a text file format that uses commas to separate values, and newlines to separate records. A CSV file stores tabular data (numbers and text) in plain text, where each line of the file typically represents one data record.
A clean-sheet design, the only shared components between the Gen III engines and the first two generations of the Chevrolet small-block engine are the connecting rod bearings and valve lifters. [1] However, the Gen III and Gen IV engines were designed with modularity in mind, and several engines of the two generations share a large number of ...
"I Want It That Way" became one of the Backstreet Boys' signature songs and one of the most praised songs by the group. Rolling Stone listed Backstreet Boys at number one on their Readers' Poll: The Best Boy Bands of All Time , writing that "the five-piece scored several huge hits, but their 1999 smash 'I Want It That Way' is a genre ...
Unlike a true page table, it is not necessarily able to hold all current mappings. The operating system must be prepared to handle misses, just as it would with a MIPS-style software-filled TLB. The IPT combines a page table and a frame table into one data structure. At its core is a fixed-size table with the number of rows equal to the number ...