Optimizing a FULL OUTER JOIN Optimizing a very slow "delete" instruction optional parameters in dynamic sql query Order by (select 0) meaning Order by A sort column can include an expression but the expression cannot resolve to a constant. ORDER BY and TOP or FOR XML Order By Causes Extremel...
Another item to keep in mind is that the LEFT and RIGHT OUTER JOIN logic is opposite of one another. So you can change either the order of the tables in the specific join statement or change the JOIN from left to right or vice versa and get the same results. RIGHT OUTER JOIN - Based...
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In the current first half of the 21st century, the September Equinox falls on the 22nd or 23rd, meaning that the closest Full Moon (and thus the Harvest Moon) can sometimes fall in October, as last happened in 2009 and will occur again in 2017. In this instance, the September Full ...
[ 1 ], as long as the covariates have certain qualities. the covariates are required to be external, meaning their future values are known in advance and unaffected by the occurrence (or non-occurrence) of the event under study [ 2 ]. in addition, the covariates are assumed to be ...
I don't understand fullyGROUP BY optimizationmeaning. Do you mean when you add column which doesn't include ongroup byintoselect list, if it is functionally dependent, it work well? ex) SELECT id, name, count(*) FROM aggregation_book GROUP BY id ...
Some full-distance races are done in waves (also known as a rolling start), meaning you’ll be starting with only your age group and some space will be created between you and the swim group ahead and behind you. However, many races are still mass starts, meaning all 2,000+ people he...
There were those souls who projected that the eclipse would result in a ‘grand saving’, a rapture, a dissolution of the false world and a sudden and abrupt sweeping into the New (in whatever their soul’s desire and picture is for that.) There was deep meaning projected onto the eclips...
"Then why did I get those hallucinations? I had others, but they had meaning behind them. Why did I receive them and not Orkia, for instance?" "Do you honestly think I'd know it all, Aurelia? I'm just telling you what I picked up myself. Theory, too, so I might be wrong....
Our writers reveal the origins of the Heat Miser and Snow Miser. Witness Ebenezer Scrooge learn the true TRUE meaning of Christmas. Learn the perils of getting a job at the North Pole. Discover how Santa Claus ruined World War One's greatest day!