Question
QUESTION 3 A central concept of his RDBMS theory is that all data is stored in rows of tables and each row is identified by
QUESTION 3
A central concept of his RDBMS theory is that all data is stored in rows of tables and each row is identified by _______________(s).
QUESTION 4
In the MySQL architecture, the MySQL Shell is a
a | Server | |
b | Client | |
c | Neither | |
d | Both |
QUESTION 5
The SQL keyword used to specify the database to work with is
a | CHOOSE | |
b | USE | |
c | SELECT | |
d | DATABASE |
QUESTION 6
The SQL command most typically used to query data from a table is
a | QUERY | |
b | READ | |
c | DUMP | |
d | SELECT |
QUESTION 7
In a VirtualBox virtual machine (VM) which of these could be used for virtual storage? (i.e configured through Settings->Storage in the VirtualBox control panel)
Both | ||
Neither | ||
A .vdi hard disk image | ||
An ISO image of a CD or DVD |
QUESTION 8
in an Entity-Relationship diagram, a rectangle with a solid outline is:
a | A Weak Entity | |
b | A Relationship | |
c | An Attribute | |
d | An Entity |
QUESTION 9
Which of these is a multi-byte characater set?
A | latin1 | |
B | UTF-8 | |
C | ASCII | |
D | hp8 |
QUESTION 17
In a production database, Schema are likely to change more frequently than instances.
True
False
QUESTION 18
All SQL statements must end with what character?
A | New-line | |
B | Period (.) | |
C | Semi-colon (;) | |
D | Colon (:) |
QUESTION 19
Which of these SQL data items (type and value) requires the most storage space in the system?
A | CHAR(100) "hi" | |
B | CHAR(20) "hello" | |
C | VARCHAR(30) "hello world"
| |
D | VARCHAR(200) "hello" |
QUESTION 20
Which SQL data type would be most likely used to store a student's birth date?
A | TIMESTAMP | |
B | DATE | |
C | YEAR | |
D | DATETIME |
QUESTION 13 5 points Saved In this ERD notation style, what is the minimum number of orders that a customer must have Address Name E-mail Customer Orders O One O Zero O More than one O Seven
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