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An Oracle syntax statement trigger that is called after an UPDATE to the phone_book table. When the trigger gets called it makes an insert into phone_book_edit_history table CREATE OR REPLACE TRIGGER phone_book_history AFTER UPDATE ON phone_book BEGIN INSERT INTO phone_book_edit_history ( audit_history_id , username , modification , edit_date ...
The DROP statement destroys an existing database, table, index, or view. A DROP statement in SQL removes a component from a relational database management system (RDBMS). The types of objects that can be dropped depends on which RDBMS is being used, but most support the dropping of tables , users , and databases .
However, Oracle databases store schema objects logically within a tablespace of the database. The data of each object is physically contained in one or more of the tablespace's datafiles . For some objects (such as tables, indexes, and clusters) a database administrator can specify how much disk space the Oracle RDBMS allocates for the object ...
A table (called the referencing table) can refer to a column (or a group of columns) in another table (the referenced table) by using a foreign key.The referenced column(s) in the referenced table must be under a unique constraint, such as a primary key.
Once again, coach Greg McDermott has knocked off the top-ranked team in the country. His Creighton team rolled over No. 1 Kansas 76-63 on Wednesday night at the CHI Health Center in Omaha in the ...
MIAMI - It's a South Florida phenomenon that draws amusement from across the country — when temperatures drop below a certain level, cold-stunned iguanas start falling out of trees.
Queries like 'select 1 + 1' can be run without a "from" clause/table name. [5] MySQL allows DUAL to be specified as a table in queries that do not need data from any tables. [6] It is suitable for use in selecting a result function such as SYSDATE() or USER(), although it is not essential. PostgreSQL: A DUAL-view can be added to ease porting ...
President-elect Donald Trump's attorney general pick, Pam Bondi, made at least $3 million from the merger that formed the parent company of Trump's Truth Social platform, her new personal ...