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A
A
A
All
right,
my
name
is
Eric
Lutz
and
if
you
are
here
for
seat,
books
is
not
see
what
you've
been
looking
for.
You
are
in
the
right
place
just
little
preface
before
we
go
forward.
I'm
kind
of
a
new
job,
sci-fi
nerd
of
various
genres,
so
messy
I'm
starting
with
Star
Wars
here,
will
continue
on
employed
a
couple
other
things
just
because
showing
showing
schema
with
a
comedy
company
come
see
it's
an
old
after
a
while
so
kind
of
us
don't
like
this
mix
down
those
it
alright.
A
A
Those
of
you
who
have
their
relational
background
I
mean,
let's
be
honest,
that's
going
to
be
most
possible.
You
know
it
gives
you
that
from
the
exit
exit
you're
familiar
with,
but
the
porch
remember
that
it's
not
a
direct
implementation
of
SQL
and
that
you
know
enough
it
up
in
a
low
level
scenario.
You
could
end
up
frustrating
yourself
very
easily.
You
know
worst-case
scenario.
You
end
up
an
application
or
you
know
writing
queries
that
perform
very
poorly
if
you
go
into
with
an
SQL
type
of
expectation.
A
So
that's
kind
of
what
we
want
to
talk
about
here
today
and
just
kind
of
clear
some
things
up
identify
how
things
work
and
kind
of
show
under
the
put
a
little
bit
what
consumers
doing
be
getting
some
of
these
a
sequel
commands
again.
Like
said
my
name,
is
Eric
Lutz
I
work
at
a
small
start-up
company,
Beloit
Wisconsin
called
the
ambulance,
got
several.
My
co-workers
do
today
back
there
alex.
A
For
special
trade
contractors
so
guys
we're
roofing,
roofing,
guys
exciting,
guys,
gutters.
Basically,
construction
company
will
use
our
software
to
manage
their
contacts,
manage
their
jobs.
We
recently
put
in
a
burning
fuse
where
we
link
up
with
ABC
supply,
so
they
can
go
ahead
and
like
Bill,
let's
listen
to
orders
even
your
kind
of
like
on
the
job
site,
effective
I've
been
using
Cassandra
subversion.
0.8
I
actually
used
to
work
downtown
here
over
at
the
brick
Granger
and
elsewhere.
A
I
got
introduction
to
Cassandra
I'm
a
frequent
contributor
to
the
app
sander
tag
on
stack
overflow.
In
fact,
this
presentation
is
inspired
by
some
of
the
strange
things
I've
seen
on
stack
overflow,
I
just
felt.
There
was
a
lot
of
here
that
you
know
needed
to
be
talked
about
discussed,
so
that
was
kind
of
the
key
to
this.
For
this
and
last
year,
I
was
named
MVP
or
a
standard
Petric
standard,
so
we're
not
again
just
a
quick
agenda.
A
A
This
little
just
because
own
there's
an
expectation
of
how
it
was
work
in
the
relational
world
and
it's
not
at
all
how
they
working
for
Sandra.
So
you
typically
see
a
lot
of
newer
and
newer
developers
and
Cassandra
will
try
and
I've
seen
somebody
to
use
like
four
or
five
secondary
indexes
on
one
table
for
and
I
wanted
to
cry.
I
also
want
to
talk
a
little
bit
about
some
anti
patterns
that
are
related
to
c
ql
and
SQL
and
then
at
the
end,
good
question.
A
B
A
A
B
A
There's
no
one
like
keyword
available
in
situ.
Well,
this
is
asking
on
Stack
Overflow,
probably
once
every
week
at
least
all
right
need
to
do
like
queries.
There
are
not
the
person
tricks
around
that
to
met
that
functionality,
but
the
most
common
recommendation
on
there
is
going
to
do
something
like
solar.
If
you
have
a
pretty
like
that,
you
do.
A
beautiful,
though
suffers
c2l
does
not
allow
you
to
do
like
you
know,
select
from
select
and
yourself
free
like
that.
A
A
I
didn't
seek
you
all
I,
just
not
that
might
be
in
the
future,
but
for
now
it
or
not
all
right.
Here's
a
quick
list
of
a
few
words
that
do
crossover
between
c2l
in
SQL
and
I,
see
you
taking
a
picture.
Every
slide.
I
actually
got
these
out
of
SlideShare,
so
you
get
it
to
go
totally,
be
able
to
find
just
not
expecting
the
memory
of
your
phone.
A
All
right,
first
I
want
to
talk
about.
Is
the
where
clause
on
the
big
thing
that
you
want
to
want
to
keep
in
mind
and
looking
at
the
where
clause
and
how
it
differs
between
see
tooele
SQL.
Is
that
the
not
all
the
operators
are
there,
but
you
might
be
used
to
in
SQL
you'll
notice
that
it
doesn't
contain
more
and
it
doesn't
contain
not
equal.
Basically,
it's
trying
to
protect
you
from
doing
something.
A
That's
going
to
have
to
completely
stand
through
table
row
by
row
by
row
by
row
to
build
your
results
in
and
is
what
it
has
been
previously
mentioned.
You
know
this
and
it
works
very
well.
You
give
it
a
specific
roki
or
specific
partition
key.
You
can
go
in
and
find
that
very
faculty
start
doing
things
like
greater
than
less
than
in
starts
kill
over
here.
A
The
important
mentor
to
go
to
is
that
all
so
different
from
the
relational
world
is
that
the?
Where
clause
will
we
operate
on
columns
that
are
defined
in
the
primary
piece
of
your
primary
key
component?
You
can't
just
grab
a
rating
column
and
say:
hey
give
me
all
the
values
equal
to
whatever
it
sound.
If
it's
out
of
our
team
and
even
then
it's
got
to
be
a
specific
way,
actually
skip
eat.
A
A
So
one
thing
that
will
start
with
here,
so
I
should
note
the
running
joke
as
a
queuing,
so
that
I,
like
in
ninety
percent
demo
failure
rate.
So
you
know
it's
like
whatever
I
seem
to
present.
Wi-Fi
goes
out
of
here
occur
because
it
might
be
you
or
if
you
can
go
down
it's
up
for
it
in
order
to
do
our
best,
sir,
so
I'm
going
to
ask
you
a
simple
query
here,
of
selecting
everything
from
that
table.
A
A
A
A
And
we'll
say
so,
just
like
BAM
right
away,
see
you
all
isn't
like
that,
and
it's
because
I'm
skipping
elements
in
my
partition.
This
is
this
is
what
is
meant
when
I,
when
I
say
that
you've
got
pretty
these
things
in
the
order
that
they're
defining
your
in
your
table
in
the
front
of
your
key
definition
and
again,
the
reason
that
is
that's
how
the
other
store
is
not
just
that's
how
it
works
it
and
it
works
best
when
you
can
go
ahead
and
pull
back
data.
A
One
continuous
line
on
you
to
use
query
just
ever:
go
right
down
and
fulfill
those
conditions,
so
can't
skip
primary
conditions.
What
actually
I
like
you
can
skip
primary
key
conditions
if
you
use
allow
filter
so
again,
if
I
go
back
to
this
example
and
I
just
go
ahead
and
say:
wow
filter
80
might
happen
here.
A
Oh
alright,
nevermind
I
had
a
different
example
in
my
head.
Pollock
asked
about
so
this
new
winter
lastname
equals
Walker
and
allow
children
and
networks.
Now
I
was
able
to
get
that
without
specifying
your
petition.
People
and
again
allows
filter,
allows
you
to
do
that.
Alright,
so
that's
that's
once
you're
there,
however
I
don't
recommend
you
do
that
alrighty!
That's
one
thing
to
show
it
on
a
table
that
has
nine
rows
in
it.
A
When
you're
talking
about
a
table
that
has
900
million
roasted
and
it's
basically
over
bring
back
every
one
of
those
rows
and
try
and
fly
your
where
conditions
on
on
the
end
of
that.
So
a
lot
filtering,
definitely
something
you
want
to
stay
away
from.
It's
definitely
not
something
you
should
do
in
production
kind
of
funny
is
that
I
was
going
back
and
forth
no
big
news
presentation
without
blue
till
minetta,
a
data.
A
B
A
Consider
users
primary
use,
determined
data
distribution
and
on
this
absorber,
can't
talk
about
this
via
the
first
part
of
read,
reviews
partition
key
and
for
those
of
you
who've
been
around
since
the
early
days
of
using
the
API
and
using
a
sander
CLI
you
and
interact
with
it.
Partition
keys
are
like
the
old-school,
rokeach
right,
that's
a
draw
there
and
then
clustering,
peas,
the
one
that
are,
after
pretty
participation
about
determining
on
disks
or
work
within
a
particular.
A
B
A
Data
when
its
defining
my
in
my
clustering
key
and
that's
why?
Because
it
only
don't
know
only
works
within
a
partitioning
and
I'll
get
into
that
little
in
on
the
next
slide
or
by
perfect
segue
one
of
the
most
misunderstood
aspects
of
CQ
up
and
again
is
because
that
order
by
is
only
valid
within
a
specific
partition,
all
right
and
the
other
thing
over
buys
that
has
to
match
your
clustering
were
that
you
have
defined
in
your
table.
A
So
really
that
means
when
you
go
ahead,
a
new
query,
all
the
data
partition
you
want
to
order
in
a
certain
way.
You
don't
really
need
order
by,
because
you
done
that
when
you
define
your
table
so
might
as
well.
I
really
want
just
ordered
by
two
well,
it
lets
you
flip
the
sort
direction,
I
believe
on
only
the
first
clustering.
A
A
A
A
A
A
Yeah
host
kind,
just
like
that.
Well
again,
that's
going
to
say
that
this
is
invalid,
because
it's
telling
me
straight
up-
and
it's
not
going
to
give
me
any
answers
back
lesson-
first,
giving
a
partitioning
p.m.
first
giving
a
specific
place
to
go
so,
which
is
why
my
last
word
work
is
I,
did
give
it
the
full
partitioning
you
I,
don't
that
one!
The.
A
A
A
A
First,
one
or
all
the
one
for
seeing
that
by
equals
condition,
or
if
it's
the
only
one
in
the
you
can
just
you
can
just
do
any
on
that,
but
Tom
and
actually
last
week,
I
learned
done
step
or
float
actually
that
you
can
do
both
you
can
restrict
on
both
partition
key
and
cluster
geeky.
At
the
same
time,
you
really
feel
like
to
work
during
the
cluster,
so
I
don't.
A
I
don't
recommend
that
all
like,
I
said,
doesn't
perform
well,
especially
if
you
are
but
large
clusters
where
it's
got
to
go
to
multiple
nodes,
for
your
results
said
they're
all
right
so
to
test
in
I've
created
a
table
based
on
the
up
side
by
plastic.
Knives
me
to
play
brother
also
based
on
a
novel
by
up
located
the
list.
If
you
want
to
trade,
is
able
to
keep
track
of
our
boyfriend
so
I'll
go
ahead
and
do
a
select
star
from
late
lunch.
Just
like
it'll
go
ahead.
A
B
B
A
A
A
A
A
A
It
doesn't
know
that
there
that's
the
same
key
so
when
it
finds
it
the
first
time.
Well,
it
doesn't
know
that
you
shouldn't
go
ahead
and
give
me
the
next
one
too.
So
it
doesn't-
and
you
know
I've
you
know,
but
if
you
were
to
keep
on
adding
those
IDs,
you
would
keep
increasing
your
own
size,
so
that's
important
to
remember
how
it
works
and
how
it
doesn't
recover.
Where
is
they
all
right?
A
Yeah,
okay,
distinct
doing
this
like
the
same
in
the
relational
world,
this
could
go
a
lot
actually,
when
I
first
got
to
when
I
first
got
to
equities,
I
was
I
was
giving
her
a
clean
up.
That
was
that
was
on
one
of
our
store
procedures
and
we
had
a
previous
developer,
who
had
written
and
I'm,
not
kidding
you.
It
was
a
triple
nested
indistinct,
all
right
so
who
is
doing
that
is
doing
a
select.
The
Select
was
distinctive
that
was
shooting
Union
to
another
select.
It
was
also
distinctive.
It.
A
A
A
89
turns
back
home,
but
when
compared
to
its
relational
counterpart,
this
is
actually
a
fairly
lightweight
operation,
because
you're
really
just
pulling
the
feedback
count
this
one's
a
little
trickier
again
it
functions
very
similarly
to
its
of
translational
counterpart
goes
ahead
and
drews
number
of
rows
requested
or
yeah
based
on
the
table
for
you
kind
of
the,
where
clause
does
not
eager
games,
but
again
you
can't
you
don't
have
anything
to
join
it
to
anything
to
do
provide.
So
you
know
you
need
to
worry
about
that
too
much.
A
B
B
A
Wrote
a
really
good
blog
post
vote,
no
on
how
exactly
cql
count
works
and
what
it's
doing
under
the
hood
and
it
dumb
yeah
I
found
a
really
informative,
an
extra
he's
quite
a
bit
of
it
for
that.
For
that
slide
there,
and
for
those
of
you
who
are
who
are
at
the
Cassandra
summit
in
San
Francisco
this
year,
Elbert
you
Louis,
wanted
to
presented
on
Apple's
use
of
Cassandra
and
how
they
have
like
a
75,000
day.
I
75,000
notes
and
turnaround
stated,
and
it's
like
in
the
teams
of
the
head
of
Isis.
A
A
Through
your
results,
so
a
quick
demonstration
on
that
is:
let's
say
that
I
did
a
select,
starter
and
I
want
to
do
a
minute
to
lose
any
space
there.
It'll
just
bring
back
to
first
arose
at
it
that
it
gets
back
and
I.
Also
important
note
2
is
that
if
you
ever
wonder
what
order
they're
coming
back
in
your
petition,
fuser
come
back
in
by
default,
you
can
do
a
use,
the
token
function
that
will
actually
get
you
to
happy
the
hash
that
is
used
to
figure
out
where
in
the
or
in
the
cluster.
A
A
A
Ontario
spino
under
globally
called
absurd
because,
while
under
the
hood,
it's
sanitary
concern
update
the
exact
same
way,
you
have
to
give
it
the
complete
primary
key
door.
Foremost
a
successful,
insert
okay,
but
the
reason
that
they
operate
the
same
is
that
again
it's
been
mentioned,
but
Cassandra
doesn't
do
a
read
before
doesn't
right.
A
A
There
are
times
when
you
would
want
to
use
one
over
the
other.
I
apply
the
difference
in
size.
Get
you
some
flexibility
update
is
really
the
only
one
that
you
can
increment
counters
with
server
using
counters
and
I.
Believe
you
actually
need
a
hydration
juicer
than
probably.
If
you
do
I
believe
you
actually
need
a
table
that
only
has
countered
columns
in
it.
It
doesn't
work
well
by
just
throwing
a
counter
on
to
to
an
existing
table.
That's
not
Ron
saving
it
so.
A
A
About
this
might
as
well,
then,
why
would
ever
want
to
use
an
insert
inserts
can
actually
save
you
some
depth
time
when
you're
in
the
wandering
the
application
layer?
Let's
say
that
you've
got
your
B
of
that
table
where
you're
not
going
to
create
in
the
column
between
that
existing
column,
that
you
want
to
make
part
of
your
primary
key.
What's
let's
say
you're
in
the
development
phase,
you
know
stage
of
your
hundred
project
and
you
want
to
move
on
your
columns
to
become
a
part
of
the
primary
key.
A
B
B
A
A
A
A
To
build
on
this
interior
working
a
lot
to
know
the
sequel
shell
command
language,
I
use
my
pen
guy.
If
you
have
a
'
make
sure
you
go
ahead
and
done,
you
know,
mm
to
escape
those
out.
Otherwise,
little
think
that
you're
closing
off
your
column,
values
all
right
go
through
all
the
SQL
cqo
keywords.
Moving.
A
Of
s
just
want
to
talk
about
this
a
little
bit
again,
Cassandra
providing
two
queries
on
non
perficient
key
columns
as
a
2-1.
You
can
even
create
secondary
indexes
on
collections
and
user-defined
types.
It's
important
remember
that
when
you
do
these
things
for
convenience,
not
for
performance,
they
don't
perform
well
on
high
cardinality
columns
again.
A
This
is
something
that
I
see
being
abused
on
stack
overflow
box,
able
to
create
a
table
and
will
be
in
a
very
relational
mindset
and
you'll
see
that
at
like
four
secondary
indexes,
and
some
of
them
are
on
very
unique
fields,
and
you
know
when
you
create
a
secondary.
This
actually
creates
a
table
or
column
family
behind
the
scenes
where
Deborah
stores-
you
know
your
neck
skiing,
those
values-
and
it
is
high
scribe
analogy.
What's
going
to
happen,
is
you're
basically
going
to
have
a
role
in
then
in
that
new
secondary
index
table
for.
A
A
B
A
Go
ahead
and
pull
back
half
of
that
tickle
based
on
that
a
baseline
index
and
that
will
not
perform
lo
peor.
That
would
that
would
but
I
would
sort
of
work
would
be
if
you're
looking
at
a
gender
based
on
the
developers.
You
know
a
lot
of
100
million
developers.
You
probably
have
to
better
female,
but
even
then
you
think
about
it.
It's.
A
A
A
Brain
Cassandra
to
us
and
kind
of
uses,
help
scale
out
part
of
our
working
system
and
I'm
proud
to
say
they
go
the
entire
thing
secondary
index
three,
so
yeah
in
my
opinion,
I,
would
just
avoid
them
all
together.
Yes,
I
beg
I'll
talk
a
little
bit
about
this,
like
I
mentioned
well,
thank
you
query
in
its
definite
antibac
secondary.
This
is
probable
that
deletes
or
using
using
cassandra
is
a
hue
or
something
for
lots
of
transient
data
will
also
create
a
lot
of
tombstones,
inserting.
A
Creates
a
new
stone,
a
big
culprit
of
that
is
when
you
write
like
application
side,
cone
and
you're,
creating
a
prepared
statement
and
you've
got
values
and
most
people
assume
you
don't
so
your
application
sends
those
over
is
null
well
guess
what
I'm
all
right
while
ceol
is
designed
to
make
a
use
for
a
previous
experience
using
SQL
support.
Remember
again,.
A
I,
didn't
that
didn't
make
it:
okay,
LEC
a
level
three
part
for
some
of
some
additional
reading.
There's
no
people
Depeche,
we
fed-
and
I
hope
you
see
RDS
session,
going
on
at
the
same
time
next
door
anyway,
special
growth
about
getting
started
with
time
series
data
modeling
it
dumb
talks
a
lot
about
how
we
make
how
to
make
border
by
to
work
properly,
talks
a
lot
about
how
we
petition
your
data
properly.
B
A
Things
in
there
that
are
important
understand
if
you
can
be
building
these
types
of
applications.
Building
these
types
of
queries,
really
don't
look
for
that
again.
I
mentioned
Richard
blows.
Article
counting
keys
in
Cassandra,
I
think
I
think
he
published
that
out
of
time,
Cassandra
like
dumb,
like
2013,
but
it
was
right
around
on.
I
remember
it
was
right
around
my
right
before
Cassandra
20,
but
getting
very
good
an
in-depth
discussion
on
what
happened
to
be
doing
account
as
well
as
some
other
things
behind
the
scenes
and
those.
A
Up
yet
Cassandra
hi
the
skirt
funny
story
about
that.
My
wife
and
I
are
actually
in
the
car
like
four
in
the
morning
going
into
the
walkie
airport
on
our
way
to
go
to
Sanders
summit,
and
it
was.
There
was
raining
out.
She
puts
at
the
weather,
channel
app
and
Robbie's
the
head
of
engineering
over
at
the
Weather
Channel
and
she's
like
it
says
it's
not
ready,
but
it's
definitely
ready
and
I'm
like
well.
When
we
get
there,
you
can
ask
ronnie
strickland
a
boat
and
sure
enough.
A
December
is
very
good
yeah
if
it's
definitely
not
a
beginner
book.
So
it's
definitely
for
this
type
of
an
audience
network.
You
use
Cassandra
from
it.
You
want
to
know
how
to
tweak
it
operationally.
You
want
to
know
how
to
cut
a
little
cruise
outperform,
so
very
good,
I
think
I.
Think
I
got
a
news
like
$22
lecture
is
going
out
a
little
bit
since
then,
but
that's
a
it's
very
good.
All.