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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
HeidiSQL is a free and open-source administration tool for MariaDB, MySQL, as well as Microsoft SQL Server, PostgreSQL and SQLite. Its codebase was originally taken from Ansgar Becker's own MySQL-Front 2.5 software. After selling the MySQL-Front branding to an unrelated party, Becker chose "HeidiSQL" as a replacement.
Key Largo's low prices appealed to tourists and local residents, [26] as the property was known for its $1.99 hamburgers and cheap hotel accommodation. [ 2 ] In October 2004, plans were approved for two high-rise towers to be constructed on the property: a 70-foot hotel tower with 344 rooms, to replace the existing hotel and its 314 rooms; and ...
Reserved words in SQL and related products In SQL:2023 [3] In IBM Db2 13 [4] In Mimer SQL 11.0 [5] In MySQL 8.0 [6] In Oracle Database 23c [7] In PostgreSQL 16 [1] In Microsoft SQL Server 2022 [2]
The Key Largo National Marine Sanctuary covered an area of 103 square miles (78 sq nmi; 270 km 2) adjacent to and east of John Pennekamp Coral Reef State Park [2] and was created to protect a portion of a coral barrier reef which lay outside the waters of that park.
By default, both the Trash and Spam folders empty automatically to keep your account tidy. These settings are set systemically and can't be changed. • Trash deletion frequency - Trash is deleted after 7 days.
Molasses Reef is a coral reef located within the Florida Keys National Marine Sanctuary.It lies to the southeast of Key Largo, within the Key Largo Existing Management Area, which is immediately to the east of John Pennekamp Coral Reef State Park.
SQL refers to Structured Query Language, a kind of language used to access, update and manipulate database. In SQL, ROLLBACK is a command that causes all data changes since the last START TRANSACTION or BEGIN to be discarded by the relational database management systems (RDBMS), so that the state of the data is "rolled back" to the way it was before those changes were made.