When creating a hash index for a memory-optimized table, the number of buckets needs to be specified at create time. In most cases the bucket count would ideally be between 1 and 2 times the number of ...

fixes cockroachdb#73060 Previously, hash-sharded index's sharding info was not shown in pg_indexes table because the sharding bucket info was not copied to the CreateIndex statement object. This pr ...

In-Memory OLTP introduces a new type of index for memory-optimized tables in SQL Server 2014: the hash index. This new index type is optimized for index seek operations, i.e. finding the rows ...

Join is one of the most important operators in database query. Hash join is the most efficiency and scalability join method in database. However, existing problems like choosing appropriate bucket ...

Hash indexes are widely used in key-value storage systems due to their ability to perform rapid single-point queries. The persistent memory (PM) technology has received significant attention in both ...