0
What else can I help you with?
What are hashing techniques that allow dynamic file expansion in dbms?
Dynamic hashing techniques, such as Extendible Hashing and Linear Hashing, allow for efficient file expansion in database management systems (DBMS). Extendible Hashing uses a directory structure that can grow as needed, allowing new buckets to be created without reorganizing existing data. Linear Hashing incrementally splits buckets based on a predetermined growth factor, enabling dynamic adjustment of the hash structure while maintaining efficient access. These techniques help manage variable data sizes and maintain performance as data volume changes.
What are the difference between static and dynamic hashing in DBMS?
Search operation in static hashing is time consuming, but in dynamic hashing it is not.
What criteria are important in choosing a file organization?
file volatility, file activity, file size, file queries, data currency
How does bucket hashing work to efficiently distribute data into different buckets based on a specific hashing function?
Bucket hashing works by using a hashing function to assign each data item to a specific bucket. The hashing function calculates a unique hash value for each item, which determines the bucket it belongs to. This helps distribute the data evenly across different buckets, making it easier to retrieve and manage the data efficiently.
What is the significance of ketama hashing in load balancing algorithms?
Ketama hashing is significant in load balancing algorithms because it helps evenly distribute incoming requests among servers based on a consistent hashing algorithm. This ensures that the workload is spread efficiently, preventing any single server from becoming overwhelmed.
What are Different types of file organisation in DBMS?
Heap file organization Sequential File Organization Hashing File organization
What is Hash file organization in DBMS?
Hashing is the most common form of purely random access to a file or database. It is also used to access columns that do not have an index as an optimisation technique. Hash functions calculate the address of the page in which the record is to be stored based on one or more fields in the record. The records in a hash file appear randomly distributed across the available space. It requires some hashing algorithm and the technique. Hashing Algorithm converts a primary key value into a record address. The most popular form of hashing is division hashing with chained overflow.
What is Homomorphic Hashing?
Homomorphic Hashing is a algorithm technique used for verifying data.
Difference between Internal hashing n external hashing?
Internal hashing mainly used for internal file, it is particularly an array of records. External hashing used for file disk
What are hashing techniques that allow dynamic file expansion in dbms?
Dynamic hashing techniques, such as Extendible Hashing and Linear Hashing, allow for efficient file expansion in database management systems (DBMS). Extendible Hashing uses a directory structure that can grow as needed, allowing new buckets to be created without reorganizing existing data. Linear Hashing incrementally splits buckets based on a predetermined growth factor, enabling dynamic adjustment of the hash structure while maintaining efficient access. These techniques help manage variable data sizes and maintain performance as data volume changes.
What is file organization in DBMS?
file organization
What are different types of hashing techniques are there in DBMS?
there are 2 types of hashing techniques 1- Static hashing 2-Dynamic hashing
What is an Answer file?
Answer file use in unattanded installation technique.
What are the difference between static and dynamic hashing in DBMS?
Search operation in static hashing is time consuming, but in dynamic hashing it is not.
What is multikey file organization?
to have a data file with multiple access path is known as multi key file organization
What is meant by hashing of a file?
Hashing a file is retrieving its unique hash. Any file is different and they all have other hashes. You can compare hashes with the fingerprint of a human. These hashes serve for many purposes.Virustotal.com for example, uses hashes to identify files which have already been scanned before. Many distributors of huge files (such as game clients or operating systems such as Ubuntu) often show the MD5 hash of the file. If you hash the file and get the same MD5 hash, the file has been downloaded entirely with no errors.You can hash a file using various applications. I use HashTab for that.
What are the differences between serial file organization and sequential file organization?
Serial file organization stores records in a linear format, while sequential file organization stores records in a specific order defined by a key field. In serial file organization, records don't have to be retrieved in a specific order, whereas in sequential file organization, records are retrieved based on the key field's order.
