Does Oracle have any tools that can help me predict the number of records in and/or the "cost" of executing a query besides explain plan? Depending on the number of predicted rows or cost of a query, ...

RisingWave Labs, the company behind the distributed SQL streaming database built for the cloud, is debuting RisingWave Cloud, a fully managed SQL stream processing platform. Built on cloud native ...

As I discussed in an earlier column, SQL Server keeps a plan cached for each query it sees (assuming the query requires planning in the first place, of course). That's great for speeding up processing ...