Inside SQL Tables Understanding Arity & Cardinality #sql #sqltutorial #sqlcommands
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YouTubeGate Smashers
Inside SQL Tables Understanding Arity & Cardinality #sql #sqltutorial #sqlcommands
In this quick SQL tutorial, learn how structured data fits into a relational model—the table. We explain how columns (attributes) and rows (tuples) make up a table, and why tables are called relations in RDBMS. Using a simple student table example, we clarify key terms such as arity (number of columns) and cardinality (number of rows ...
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Working conditions for Uber Eats and DoorDash delivery drivers are set to change after a historic deal between the Transport Workers Union and the delivery platforms. The joint proposal, submitted to the Fair Work Commission, includes an hourly minimum wage and accident insurance.
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Working conditions for Uber Eats and DoorDash delivery drivers are set to change after a historic deal between the Transport Workers Union and the delivery platforms. The joint proposal, submitted to the Fair Work Commission, includes an hourly minimum wage and accident insurance.
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Just six weeks after entering service, new DLR trains have been pulled from the network due to faulty brakes. One of the new automated B23 trains overshot a platform, prompting Transport for London to withdraw three services while engineers investigate the "specific root cause of the incident". Services continue using older stock. #London #DLR #Transport #TfL | BBC London
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Just six weeks after entering service, new DLR trains have been pulled from the network due to faulty brakes. One of the new automated B23 trains overshot a platform, prompting Transport for London to withdraw three services while engineers investigate the "specific root cause of the incident". Services continue using older stock. #London #DLR #Transport #TfL | BBC London
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🚇 Here's a glimpse of the upcoming East Coast Integrated Depot (ECID) – our first Four-In-One depot that integrates three train depots and one bus depot within a single site! Not only is it space-efficient, it will also provide more capacity for train launches and withdrawals. This would allow greater flexibility to adjust service patterns and respond more quickly to incidents along the lines, strengthening rail reliability. #ICYMI To connect the East-West Line (#EWL) to the ECID and a new plat
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