# on 07-Nov-2019 (Thu)

#### Annotation 2981155441932

 La investigaci´on en Educaci´on matem´atica ha estado principalmente centrada en los aspectos cognitivos, dejando un poco de lado los aspectos afectivos.

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#### Annotation 2981160422668

 la determinaci´on, las emociones, juegan un papel importante.

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In AWS, you use [...] if you want a fast in-memory database used to take load off of your main OLTP db for repeat queries.
ElastiCache

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Теорема 4.2 (критерий Коши равномерной сходимости функционально- го ряда)
[default - edit me]

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[default - edit me]
Для того чтобы ∞ P k=1 u k (x) X ⇒ S(x), необходимо и достаточно, чтобы ∀ε > 0 ∃N = N(ε) (не зависящий от x ∈ X) такой, что ∀n > N, ∀p ∈ N и ∀x ∈ X выполнялось неравенство |S n+p (x) − S n (x)| = ¯ ¯ ¯ ¯ ¯ n+p X k=n+1 u k (x) ¯ ¯ ¯ ¯ ¯ < ε

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Question
In AWS, for DynamoDB, the main building blocks are [...] , which contain Items, which are in turn made of Attributes

Tables

^^^ e.g.:
"People" Table that has following "person" Item:
{
"PersonID": 101,
"LastName": "Smith",
"FirstName": "Fred",
"Phone": "555-1234"
}
The table is People, the Item is the person JSON above, and the attributes are the individual elements of the JSON (e.g. LastName, FirstName, etc)

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#### Flashcard 4521157856524

Question
In AWS, for DynamoDB, the main building blocks are Tables, which contain [...]s, which are made of Attributes

Items

^^^ e.g.:
"People" Table that has following "person" Item:
{
"PersonID": 101,
"LastName": "Smith",
"FirstName": "Fred",
"Phone": "555-1234"
}
The table is People, the Item is the person JSON above, and the attributes are the individual elements of the JSON (e.g. LastName, FirstName, etc)

status measured difficulty not learned 37% [default] 0

#### Flashcard 4521159953676

Question
In AWS, for DynamoDB, the main building blocks are Tables, which contain Items, which are made of [...]s

Attributes

^^^e.g.:
"People" Table that has following "person" Item:
{
"PersonID": 101,
"LastName": "Smith",
"FirstName": "Fred",
"Phone": "555-1234"
}
The table is People, the Item is the person JSON above, and the attributes are the individual elements of the JSON (e.g. LastName, FirstName, etc)

status measured difficulty not learned 37% [default] 0

#### Flashcard 4521162050828

Question
In AWS, DynamoDB uses the [...] [...] 's value as input to an internal hash function whose output determines the physical storage block internal to DynamoDB in which the item will be stored.

Partition Key

^^ e.g. In "Music" table, the Partition key is "Artist" and Sort key is "songName", both attributes together are the primary key (unique identifiers you can query on).

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In AWS, DynamoDB uses the partition key's value as input to an internal hash function whose output determines the physical storage block internal to DynamoDB in which the item will be stored. All items with the same partition key value are stored together, in order by the [...] [...] value.

Sort Key

^^ e.g. In "Music" table, the Partition key is "Artist" and Sort key is "songName", both attributes together are the primary key (unique identifiers you can query on).

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#### Flashcard 4521166245132

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In AWS, for DynamoDB, the primary key always has the [...] key and optionaly a Sort key.

Partition

^^ e.g. In "Music" table, the Partition key is "Artist" and Sort key is "songName", both attributes together are the primary key (unique identifiers you can query on).

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#### Flashcard 4521168342284

Question
In AWS, for DynamoDB, the primary key always has the Partition key and optionaly a [...] key.

Sort

e.g. In "Music" table, the Partition key is "Artist" and Sort key is "songName", both attributes together are the primary key (unique identifiers you can query on).

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#### Flashcard 4521170439436

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In AWS, for DynamoDB, you can only query on the prmiary key (Partition key or Parition key/sort key combo) unless you create additional [...] [...]
Secondary Indexes

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In AWS, for DynamoDB, you get fast speed because data is stored on [...] storage
SSD

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In AWS, for DynamoDB, you get your data spread across [...] geographically distinct data centres (AZs).
3

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In AWS, for DynamoDB, by deafult you get [...] [...] Reads, which means when you write new data or update data, you will be able to read the updated data within about 1 second (anything earlier may not return the latest data update)

Eventual Consistent

^^^ but stronly consistent Reads also available (but not by deafault), where as soon as you get 200 back from the write call, you can read right away the updated data.

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In AWS, Redshift is a super fast OLAP relational db solution because it stores and compresses data by [...]s (THINK WHY THIS IS GOOD/FAST)

Columns

^^^ so it takes less space to store and also better compression algorithms can be used as columns have similar data

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Question
In AWS, Redshift is a super fast OLAP relational db solution because it stores and compresses data by column and also because it employs [...acronym here...] , where there is a leader node that takes the queries from the client an distributes it to several compute nodes.

MPP (Massive Parallel Processing)

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#### Flashcard 4521183022348

Question
In AWS, Redshift is a super fast OLAP relational db solution because it stores and compresses data by column and also because it employs MPP (Massive Parrallel Processing), where there is a leader node that takes the queries from client an distributes it to several [...] nodes.
Compute

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In AWS, Reshift is available in [...] AZ.
1

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In AWS, Redshift can do automated backups where you can restore your data to within a second of between 0 to [...] retention days
35

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In AWS, Redshift keeps [...] copies of your data (think where each copy is stored)

3

Redshift keeps 3 copies of your data, the data on the compute node, as well as a replica on the compute node and a backup on S3

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In AWS, Redshift can support Disaster Recovery by asynchronosly replicating your snapshots to S3 in another [...]
Region

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Question
que llevaba el impresionante título de ((Sobre las [...] formalmente indecidibles de los Principia Mathematica y sistemas conexos)).
proposiciones

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#### Parent (intermediate) annotation

Open it
que llevaba el impresionante título de ((Sobre las proposiciones formalmente indecidibles de los Principia Mathematica y sistemas conexos)).

#### Original toplevel document (pdf)

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Tags
#Gödel
Question
que llevaba el impresionante título de ((Sobre las proposiciones [...] indecidibles de los Principia Mathematica y sistemas conexos)).
formalmente

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#### Parent (intermediate) annotation

Open it
que llevaba el impresionante título de ((Sobre las proposiciones formalmente indecidibles de los Principia Mathematica y sistemas conexos)).

#### Original toplevel document (pdf)

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#### Flashcard 4521582267660

Question
que llevaba el impresionante título de ((Sobre las proposiciones formalmente [...] de los Principia Mathematica y sistemas conexos)).
indecidibles

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#### Parent (intermediate) annotation

Open it
que llevaba el impresionante título de ((Sobre las proposiciones formalmente indecidibles de los Principia Mathematica y sistemas conexos)).

#### Original toplevel document (pdf)

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#### Flashcard 4521583316236

Question
que llevaba el impresionante título de ((Sobre las proposiciones formalmente indecidibles de los [...] y sistemas conexos)).
Principia Mathematica

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#### Parent (intermediate) annotation

Open it
que llevaba el impresionante título de ((Sobre las proposiciones formalmente indecidibles de los Principia Mathematica y sistemas conexos)).

#### Original toplevel document (pdf)

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#### Flashcard 4521584364812

Question
que llevaba el impresionante título de ((Sobre las proposiciones formalmente indecidibles de los Principia Mathematica y [...])).
sistemas conexos

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#### Parent (intermediate) annotation

Open it
que llevaba el impresionante título de ((Sobre las proposiciones formalmente indecidibles de los Principia Mathematica y sistemas conexos)).

#### Original toplevel document (pdf)

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#### Flashcard 4521592753420

Question
In AWS, [...] is Amazon's own MySQL/PostgreSQL campatible RDS DB engine that combines the cost-effectiveness of open-source DB solutions with the reliability of commercial DBs
Aurora

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Question
In AWS, Aurora (Amazon's own DB) is a good option for your RDS engine, because it has very high availability and durability as it keeps at least [...] total copies of you data, [...] copies in at least [...] different Availablility Zones <--(A different number for each occulsion obviously)
6 = 2 x 3

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Question
In AWS, Aurora (Amazon's own DB) is a good option for your RDS engine because it supports 2 types of read replicas, MySQL replicas, and Aurora Replicas, which support [...] [...] (only Aurora replicas do, not MySQL)
Automated Failovers

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Question
In AWS, for RDS, when you choose Aurora, automated backups are turned on by default, but you can also take snapshots and share them with other [...] [...]
AWS Accounts

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Question
In AWS (and computing in general), if you have an E-commerce site and you want to show the user the top 10 most purchased items (which does not change all that often), instead of querying the info from the main OLTP DB (like RDS MySQL) each time, you would instead use your [...] [...] DB.

In-memory Cache

^^ e.g. ElastiCache

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In AWS, for your ElastiCache engine, you would choose [...] , if you just want a simple/easy to use in-memory cache that is horizontally scalable (but you don't care about advanced features like multi AZ/complex data types/backup and restore/etc).
Memcached

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In AWS, for your ElastiCache engine, you would choose [...] , if you have some advanced features you want like Multi-AZ, Backup and Restore, Persistence, Advanced data types, complex ranking/sorting.
Redis

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Question
In AWS, for your ElastiCache engine, you would choose Redis, if you have some advanced features you want like [...]-[...] , Backup and Restore, Persistence, Advanced data types, complex ranking/sorting.
Multi-AZ

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#### Flashcard 4521610579212

Question
In AWS, for your ElastiCache engine, you would choose Redis, if you have some advanced features you want like Multi-AZ, [...] and [...] , Persistence, Advanced data types, complex ranking/sorting.