Sending multiple commands in pipeline in Redis - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to start a Redis pipeline.

Redis

pipe = client.[1]()

Drag options to blanks, or click blank then click option'

Amulti

Bexecute

Ctransaction

Dpipeline

Attempts:

3 left

💡 Hint

Common Mistakes

Using execute() instead of pipeline() to start the pipeline.

Confusing multi() with pipeline().

To send multiple commands in a pipeline, you start with client.pipeline().

2fill in blank

medium

Complete the code to add a SET command to the pipeline.

Redis

pipe.[1]('key1', 'value1')

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Aget

Bset

Cdelete

Dappend

Attempts:

3 left

💡 Hint

Common Mistakes

Using get() instead of set() to add a SET command.

Using delete() which removes keys instead of storing a value.

To add a SET command in Redis pipeline, use pipe.set().

3fill in blank

hard

Fix the error in the code to execute the pipeline.

Redis

results = pipe.[1]()

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Aexecute

Bstart

Crun

Dcommit

Attempts:

3 left

💡 Hint

Common Mistakes

Using start() or commit() which do not exist in Redis pipeline.

Using run() which is not a Redis pipeline method.

To send all commands in the pipeline to Redis and get results, use pipe.execute().

4fill in blank

hard

Fill both blanks to add two commands and execute the pipeline.

Redis

pipe.[1]('key2', 'value2')
pipe.[2]('key2')
results = pipe.execute()

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Aset

Bget

Cdelete

Dappend

Attempts:

3 left

💡 Hint

Common Mistakes

Using get() before set() which may return None.

Using delete() which removes keys instead of retrieving.

First add a SET command, then a GET command before executing the pipeline.

5fill in blank

hard

Fill all three blanks to add SET, INCR, and GET commands in the pipeline.

Redis

pipe.[1]('counter', 1)
pipe.[2]('counter')
pipe.[3]('counter')
results = pipe.execute()

Drag options to blanks, or click blank then click option'

Aset

Bincr

Cget

Ddelete

Attempts:

3 left

💡 Hint

Common Mistakes

Using delete() which removes the key instead of incrementing.

Mixing order of commands causing unexpected results.

First set the counter to 1, then increment it, then get its value before executing.