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this command takes away permissions from groups/users. For example: GRANT can be used to give privileges to user to do SELECT, INSERT, UPDATE and DELETE on a specific table or multiple tables. The REVOKE command is used take back a privilege (default) or revoking specific command like UPDATE or DELETE based on requirements.
The DROP statement is distinct from the DELETE and TRUNCATE statements, in that DELETE and TRUNCATE do not remove the table itself. For example, a DELETE statement might delete some (or all) data from a table while leaving the table itself in the database, whereas a DROP statement removes the entire table from the database.
You can undo the operation of removing records by using the ROLLBACK command; 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.
Oracle Forms 4.0 6-7 GUI / Character Major Rewrite, New IDE, FMB source binary file, FMX Runtime, optimized for Client-Server. New interface is slow, buggy and not popular with client base. Oracle Forms 4.5 7 GUI / Character Major Rewrite, New IDE based on Object Navigator & Property Sheets. Good release, fast, popular with client base.
Fox News host Laura Ingraham says a "real president answers questions" as she reflects on President-elect Donald Trump's openness with the media on "The Ingraham Angle."
Scammers are using AI-powered voice-cloning tools to prey on people. But experts say there's a simple way to protect you and your family.
In computer programming, create, read, update, and delete (CRUD) are the four basic operations (actions) of persistent storage. [1] CRUD is also sometimes used to describe user interface conventions that facilitate viewing, searching, and changing information using computer-based forms and reports .
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