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SQL Indexing - Kelas B

Authored by Meganingrum Jiwanggi

Computers

University

Used 2+ times

SQL Indexing - Kelas B
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sebuah index file terdiri atas index entries berupa

Search Key
Pointer
Sepasang Search Key dan Pointer

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Indexing membantu mempercepat proses yang menggunakan SQL statement ... pada database

INSERT
UPDATE
DELETE
SELECT

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Index entries selalu terurut berdasarkan indexing field.

BENAR
SALAH

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Suatu index yang urutan search key nya berbeda dengan urutan pada file aslinya disebut sebagai

PRIMARY INDEX
SECONDARY INDEX
CLUSTERING INDEX
MULTI-LEVEL INDEX

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Secondary index merupakan contoh dari

SPARSE INDEX
DENSE INDEX

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Jika indexing field adalah nonkey&urutan pada index file=urutan di file asli, maka termasuk

PRIMARY INDEX
SECONDARY INDEX
CLUSTERING INDEX
MULTI-LEVEL INDEX

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berikut adalah contoh statement SQL yang tepat untuk membuat index pada tabel EMPLOYEE, kecuali

CREATE INDEX IDX_A ON EMPLOYEE (ssn,lname)
CREATE INDEX IDX_A ON EMPLOYEE (ssn)
CREATE INDEX IDX_A ON EMPLOYEE.SSN

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