Do you know what are the differences between lost updates and uncommitted dependencies?
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I have a table Events Events containing cardno,time,id,name- -each id has a cardno my requirement is every day each employee swipe the card several times i want to calculate first and last time of each card the output should be name 1 2 6 7 in out in out holiday holiday xxx 09:30 06:30 09:40 06:45 where 1,2...... are dates for example january 1,2, etc. 6 and 7 are saturday and sunday how it is posssible
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List the different types of joins?
If suppose in a table ship(name,year),find ship name having first and last name(i.e having space in between) ex: SAINT LOUIS,JET LAKE.
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