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`patient` varchar(100) CHARACTER SET utf8 DEFAULT NULL, `doctor` varchar(100) CHARACTER SET utf8 DEFAULT NULL, `date` varchar(100) CHARACTER SET utf8 DEFAULT NULL, `time_slot` varchar(100) CHARACTER ...

Joining a table with seven million rows to a table with 30 million rows via inner join. Writing a simple INNER JOIN on X.a = Y.B in SQL results in a query that takes a couple of seconds to execute in ...

SQL Server 2016 and Azure SQL Database both give you tables that automatically keep track of changes to your data. ... (StartTime, EndTime), StartTime datetime2 GENERATED ALWAYS AS ROW START HIDDEN ...