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Introduction to Database System

Introduction to Database System
In SQL, which command(s) is(are) used to enable/disable all triggers on a table?

ALTER TRIGGERS
MODIFY TRIGGERS IN TABLE
ALTER TABLE
All of the listed here

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Introduction to Database System
In SQL, which command is used to add new rows to a table?

APPEND
ADD ROW
INSERT
ALTER TABLE

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Introduction to Database System
Which command is used to remove a table from the database in SQL?

ERASE TABLE
UNATTACH TABLE
DELETE TABLE
DROP TABLE

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Introduction to Database System
Data items grouped together for storage purposes are called a

list
string
record
None of these
title

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Introduction to Database System
In a relational schema, each tuple is divided into fields called

All of the listed here
Relations
Domains
Queries

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Introduction to Database System
A recursive relationship is a relationship between an entity and ________ .

a subtype entity
an archetype entity
itself
an instance entity

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