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Query Sampling in DB2

Query Sampling in DB2

Query Sampling in DB2. Motivation. Data volume is growing fast Many algorithms do not scale up with data volume For exploratory analysis users often want just approximate answers. Solution: Sampling. Processing less data => huge performance improvement Approximate answers often suffice.

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219 views • 12 slides
Query Sampling in DB2

Query Sampling in DB2

Query Sampling in DB2. Motivation. Data volume is growing fast Many algorithms do not scale up with data volume For exploratory analysis users often want just approximate answers. Solution: Sampling. Processing less data => huge performance improvement Approximate answers often suffice.

★ ★ ★ ★ ★

202 views • 12 slides
Query Sampling in DB2

Query Sampling in DB2

Query Sampling in DB2. Motivation. Data volume is growing fast Many algorithms do not scale up with data volume For exploratory analysis users often want just approximate answers. Solution: Sampling. Processing less data => huge performance improvement Approximate answers often suffice.

★ ★ ★ ★ ★

190 views • 12 slides
Query Sampling in DB2

Query Sampling in DB2

Query Sampling in DB2. Motivation. Data volume is growing fast Many algorithms do not scale up with data volume For exploratory analysis users often want just approximate answers. Solution: Sampling. Processing less data => huge performance improvement Approximate answers often suffice.

★ ★ ★ ★ ★

186 views • 12 slides
Query Sampling in DB2

Query Sampling in DB2

Query Sampling in DB2. Motivation. Data volume is growing fast Many algorithms do not scale up with data volume For exploratory analysis users often want just approximate answers. Solution: Sampling. Processing less data => huge performance improvement Approximate answers often suffice.

★ ★ ★ ★ ★

136 views • 12 slides

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