Practice - 5 Tasks
Answer the questions below
1fill in blank
easyComplete the sentence to define sharding.
DBMS Theory
Sharding is a method of [1] a database into smaller, faster, and more manageable parts.
Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Confusing sharding with merging databases.
Thinking sharding is about backups.
✗ Incorrect
Sharding means splitting a large database into smaller parts called shards to improve performance and manageability.
2fill in blank
mediumComplete the sentence to explain partitioning.
DBMS Theory
Partitioning divides a database table into [1] parts based on certain criteria. Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Assuming partitioning is random.
Confusing physical storage with logical division.
✗ Incorrect
Partitioning splits a table into logical parts, such as by date or region, to organize data efficiently.
3fill in blank
hardFix the error in the statement about sharding.
DBMS Theory
Sharding stores all data on a single server to improve speed by [1]. Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Thinking sharding means centralizing data.
Confusing sharding with replication.
✗ Incorrect
Sharding distributes data across multiple servers, not stores it all on one server.
4fill in blank
hardFill both blanks to complete the sharding example.
DBMS Theory
A common sharding method is to divide data by [1] and store each shard on a separate [2].
Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Using 'date' instead of 'region' for sharding in this example.
Confusing storage location with indexing.
✗ Incorrect
Data is often sharded by region and stored on different servers to improve access and management.
5fill in blank
hardFill all three blanks to describe sharding benefits.
DBMS Theory
Sharding improves [1] by [2] data across servers and reduces [3] on each server.
Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing 'backup' instead of 'load'.
Confusing performance with backup.
✗ Incorrect
Sharding improves performance by distributing data and reducing load on each server.