AA SeleA = ===ParagraphStylesEditir5) The bottom level of a multi-level index is aa) Sorted single level.b) Unsorted single-levelc) Primary and clusteringd) Bottom-level block.index.6) What is the fan-out for a multi-level index where index entries are 32 bytes and index blocks are10 kilobytes?a) Approximately 400b) Approximately 500c) Approximately 300d) Approximately 2007) How are blocks read with a single-level index?a) A scan reads all index bocks to find table blocks that contain selected rows. The table blocks arethem read.b) A scan is initiated to read all table blocks. Index blocks are then read.c) The search reads one index block plus selected table blocks.d) A scan is initiated to read all table blocks that contains index blocks with selected data.8) Branches that are similar in length in an index hierarchy area) Dense.b) Balanced.c) Sparse.d) Primary.DFocusF10※一* F11F12PrtScInsertFSF6F7F8F9&7%3DT.YU A Aa- A EPFind -AaBbCcDx AaBbCcDx AaBbC AaBbCcC AaB1 Normal 1 No Spac. Heading 1 Heading 2ReplaceTitleA Select -ParagraphStylesEditing1) When working with multi- tables, a column that is available in all interleaved tables is known as?a) Hash functionb) Bucketc) Clusterd) Sort column2) Which table type interleaves rows of two or more tables in the same storage area?a) Heap Tablesb) Table clustersc) Hash tablesd) Sorted tables.3) A_index is an index on a non-unique sort of columna) Sortedb) Secondaryc) Primaryd) Clustering4) When is a table updated and the index block has no free space for a new index ends whathappens?a) An error results.b) A new block is merged.c) The entry is removed.d) The block splits.DFocusInsert※一**12PriScF7F8F10F11&*456.89.RT.Y.

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Answered: 5) The bottom level of a multi-level…

5) The bottom level of a multi-level index is a. a) Sorted single level. b) Unsorted single-level c) Primary and clustering. d) Bottom-level block index.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Types of Linked List

A sequence of data elements connected through links is called a linked list (LL). The elements of a linked list are nodes containing data and a reference to the next node in the list. In a linked list, the elements are stored in a non-contiguous manner and the linear order in maintained by means of a pointer associated with each node in the list which is used to point to the subsequent node in the list.

Linked List

When a set of items is organized sequentially, it is termed as list. Linked list is a list whose order is given by links from one item to the next. It contains a link to the structure containing the next item so we can say that it is a completely different way to represent a list. In linked list, each structure of the list is known as node and it consists of two fields (one for containing the item and other one is for containing the next item address).

Question

A
A Sele
A = ===
Paragraph
Styles
Editir
5) The bottom level of a multi-level index is a
a) Sorted single level.
b) Unsorted single-level
c) Primary and clustering
d) Bottom-level block.
index.
6) What is the fan-out for a multi-level index where index entries are 32 bytes and index blocks are
10 kilobytes?
a) Approximately 400
b) Approximately 500
c) Approximately 300
d) Approximately 200
7) How are blocks read with a single-level index?
a) A scan reads all index bocks to find table blocks that contain selected rows. The table blocks are
them read.
b) A scan is initiated to read all table blocks. Index blocks are then read.
c) The search reads one index block plus selected table blocks.
d) A scan is initiated to read all table blocks that contains index blocks with selected data.
8) Branches that are similar in length in an index hierarchy are
a) Dense.
b) Balanced.
c) Sparse.
d) Primary.
DFocus
F10
※一
* F11
F12
PrtSc
Insert
FS
F6
F7
F8
F9
&
7
%3D
T.
Y
U

A Aa- A E
PFind -
AaBbCcDx AaBbCcDx AaBbC AaBbCcC AaB
1 Normal 1 No Spac. Heading 1 Heading 2
Replace
Title
A Select -
Paragraph
Styles
Editing
1) When working with multi- tables, a column that is available in all interleaved tables is known as?
a) Hash function
b) Bucket
c) Cluster
d) Sort column
2) Which table type interleaves rows of two or more tables in the same storage area?
a) Heap Tables
b) Table clusters
c) Hash tables
d) Sorted tables.
3) A_index is an index on a non-unique sort of column
a) Sorted
b) Secondary
c) Primary
d) Clustering
4) When is a table updated and the index block has no free space for a new index ends what
happens?
a) An error results.
b) A new block is merged.
c) The entry is removed.
d) The block splits.
DFocus
Insert
※一
**12
PriSc
F7
F8
F10
F11
&
*
4
5
6.
8
9.
R
T.
Y.

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