Database software vendor FoundationDB has acquired Akiban, another purveyor of database software, in a move to develop a hybrid data-store application capable of storing both SQL and non-SQL data.
In earlier versions of SQL Server, after selecting a join algorithm, SQL Server had to process it even if a better alternative might be available. In SQL Server 2017, the query optimizer can now sense ...
Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...
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