Explore the intricacies of Oracle constraints with the 'ORACLE CONSTRAINTS BY BLUE BLAZE' quiz. Assess your understanding of SQL constraints, including check constraints, transaction control commands, and more, enhancing database management skills.
True
False
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CREATE INDEX ID;
CHANGE INDEX ID;
ADD INDEX ID;
REMOVE INDEX ID;
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Unique indexes are created in the background by Oracle when Primary and Unique constraints are created or enabled (*)
Nothing extra is created when Primary Keys and Unique Keys are created
Internal Pointers
Ordered Lists
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True
False
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Column level
Table level
Row level
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ONLY
UNIQUE
DISTINCT
NULL
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USER_TABLES
USER_CONSTRAINTS (*)
CONSTRAINTS
TABLE_CONSTRAINTS
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ALTER TABLE STOP CHECKING
ALTER TABLE DISABLE CONSTRAINT (*)
ALTER TABLE STOP CONSTRAINTS
ALTER TABLE PAUSE CONSTRAINT
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Automatic
Manual
Automatic and manual
None of the above
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True
False
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limits the column data that are returned.
Limits the row data are returned.
Both A and B are correct.
Neither A nor B are correct.
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True
False
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DDL
DML
TCL
NONE OF THE ABOVE
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Foreign key(field_name)references table_name(field_name)
Foreign key(field_name)references(field_name) on delete cascade
Foreign key(field_name)references table_name(field_name) on delete cascade
Foreign key(field_name)references table_name(field_name) ondelete cascade
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Commit
Savepoint
Rollback
Grant
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True
False
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True
False
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True
False
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DDL statement is issued
DCL statement is issued
Normal exit from SQL*PLUS without issuing explicit COMMIT or ROLLBACK
None of the above
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