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InfinityDB Client/Server (in alpha-testing state) features: A client/server system for secure remote shared access to a set of InfinityDB Embedded database files. Back-end web management console for secure management of users, roles, databases, and permissions. Back-end web secure database browsing and editing with tabular, JSON, and ItemSpace ...
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
The active record pattern is an approach to accessing data in a database. A database table or view is wrapped into a class. Thus, an object instance is tied to a single row in the table. After creation of an object, a new row is added to the table upon save. Any object loaded gets its information from the database.
A SELECT statement retrieves zero or more rows from one or more database tables or database views. In most applications, SELECT is the most commonly used data manipulation language (DML) command. As SQL is a declarative programming language, SELECT queries specify a result set, but do
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
An American World War II warship that played a key role in Allied campaigns in the Pacific has been discovered at the bottom of the Indian Ocean more than 80 years after it was sunk.. The U.S.S ...
Per the U.S. Department of Agriculture's Food Database, a cup of raw cranberries contains 14 milligrams of vitamin C. That's about a sixth of the daily recommended amount for men, ...
Scott Pianowski plays fantasy football traffic cop with some green lights, yellow lights and red lights to help set your Week 7 lineups.