DATA TRIGGS ROUND 1 quiz assesses knowledge on database management, focusing on SQL, relational models, and data operations. It tests understanding of key concepts like SQL standards, NULL handling, and primary keys, essential for learners in IT and database administration.
Herman Hollerith
Raymond F Boyce
Charles Babbage
Edgar F Codd
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Relation
Attribute
Tuple
Domain
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Herman Hollerith
Raymond F Boyce
Charles Babbage
Edgar F Codd
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Key
Determinant
Tuple
Relation
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Herman Hollerith
Raymond F Boyce
Charles Babbage
Edgar F Codd
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Atomicity, Consistency, Isolation, Database
Atomicity, Consistency, Isolation, Durability
Atomicity, Concurrency, Inconsistent, Durability
Atomicity, Concurrency, Isolation, Durability
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Oracle
SQL
DBase
Microsoft Access
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Implicit Lock
Explicit Lock
Exclusive Lock
Shared Lock
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Unify
Ingress
IDMS
None of the above
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SELECT * FROM Persons WHERE FirstName='a';
SELECT * FROM Persons WHERE FirstName LIKE 'a%';
SELECT * FROM Persons WHERE FirstName LIKE '%a';
SELECT * FROM Persons WHERE FirstName LIKE'%a'%;
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NULL=0
NULL
NULL>0
NULL0
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Access
Oracle
FoxPro
All of these
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UPDATE
ALTER
CREATE
RENAME
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SELECT
UNION
RENAME
PROJECT
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COMMIT TRANSACTION
ROLLBACK TRANSACTION
Either by COMMIT TRANSACTION or by ROLLBACK TRANSACTION
NONE
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Asterisk(*) ; percent sign(%)
Percent sign(%) ; underscore(_)
Underscore(_) ; question mark(?)
Question mark(?) ; asterisk(*)
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Select name from students where email = 0;
Select name from students where email = ' ';
Select name from students where email is null;
Select name from students where email = 'null';
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NULL
NOT NULL
Function NVL2 is not defined
None of the Above
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INSERT
MERGE
UPDATE
None of the above
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Yup
Nope
Null
Error
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SELECT TOP 1 SALARY FROM ( SELECT TOP 3 SALARY FROM employee_table ORDER BY SALARY ASC) AS EMP ORDER BY SALARY DESC;
SELECT TOP 1 SALARY FROM ( SELECT TOP 3 SALARY FROM employee_table ORDER BY SALARY DESC) AS EMP ORDER BY SALARY ASC;
SELECT TOP 3 SALARY FROM ( SELECT TOP 1 SALARY FROM employee_table ORDER BY SALARY DESC) AS EMP ORDER BY SALARY ASC;
SELECT TOP 3 SALARY FROM ( SELECT TOP 1 SALARY FROM employee_table ORDER BY SALARY ASC) AS EMP ORDER BY SALARY DESC;
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