Aug 5, 2016
The core of the #database software is the query optimiser and it controls the most efficient method for a #SQL statement to access requested #data. Get more on #Programming #AssignmentHelp
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The core of the #database software is the query optimiser and it controls the most efficient method for a #SQL statement to access requested #data. Get more on #Programming #AssignmentHelp
#Structured #Systems #Analysis and #Design #Method (SSADM) is the method which is used at projecting and analysis of Computer Choice System Requirement to design Database security system.
#SSADM uses a combination of three techniques: (1) #Logical #Data #Modeling, (2) #Data #Flow Modeling, (3) #Entity #Behavior Modeling.
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How to: What's the best way to model recurring events in a calendar application? #it #development #answer
How to: What's the best way to model recurring events in a calendar application? #it #development #answer
What’s the best way to model recurring events in a calendar application?
I’m building a group calendar application that needs to support recurring events, but all the solutions I’ve come up with to handle these events seem like a hack. I can limit how far ahead one can look, and then generate all the events at once. Or I can store the events as repeating and dynamically display them when one…
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Fix: How do you recommend implementing tags or tagging #answer #programming #it
Fix: How do you recommend implementing tags or tagging #answer #programming #it
How do you recommend implementing tags or tagging
I’ve heard of a few ways to implement tagging; using a mapping table between TagID and ItemID (makes sense to me, but does it scale?), adding a fixed number of possible TagID columns to ItemID (seems like a bad idea), Keeping tags in a text column that’s comma separated (sounds crazy but could work). I’ve even heard someone recommend a sparse…
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How to: Are soft deletes a good idea?
How to: Are soft deletes a good idea?
Are soft deletes a good idea?
Are soft deletes a good idea or a bad idea?
Instead of actually deleting a record in your database, you would just flag it as IsDeleted = true, and upon recovery of the record you could just flag it as False.
Is this a good idea?
Is it a better idea to physically delete the record, then move it to an archive database, and if the user wants the record back, then…
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Fixed What's the difference between identifying and non-identifying relationships? #dev #it #asnwer
Fixed What's the difference between identifying and non-identifying relationships? #dev #it #asnwer
What’s the difference between identifying and non-identifying relationships?
I haven’t been able to fully grasp the differences. Can you describe both concepts and use real world examples?
Answer: What’s the difference between identifying and non-identifying relationships?
An Identifying relationship specifies that a child object cannot exist without the parent object
Non-identifying…
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How to: What's the best way to model recurring events in a calendar application?
How to: What's the best way to model recurring events in a calendar application?
What’s the best way to model recurring events in a calendar application?
I’m building a group calendar application that needs to support recurring events, but all the solutions I’ve come up with to handle these events seem like a hack. I can limit how far ahead one can look, and then generate all the events at once. Or I can store the events as repeating and dynamically display them when one…
View On WordPress
How to: How do you recommend implementing tags or tagging
How to: How do you recommend implementing tags or tagging
How do you recommend implementing tags or tagging
I’ve heard of a few ways to implement tagging; using a mapping table between TagID and ItemID (makes sense to me, but does it scale?), adding a fixed number of possible TagID columns to ItemID (seems like a bad idea), Keeping tags in a text column that’s comma separated (sounds crazy but could work). I’ve even heard someone recommend a sparse…
View On WordPress