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WHERE and HAVING clause in SQL ? The WHERE clause is commonly used for implementing conditions on each tuple of the relation. The HAVING clause is used in combination along wi
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
what is relationship inheritance and attribute inheritance
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
how to submit answers softcopy
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
Explain the Cascadeless Schedule A cascadeless schedule is one in which for every pair of transactions Ti and Tj like that Tj reads a data item before written by Ti, the commit
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
1. Staff (staffID --> availabilityID) 2. Services (servicesID --> itemBasedID --> timedBasedID) 3. TimedBased (timedbasedID--> priceid) 4. Clients (clientId, serviceId-->
Explain the Static or conservative Two Phase Locking: Static (or conservative) Two Phase Locking: In this type of scheme, all the data items are locked earlier than any opera
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