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Which is another name for weak entity?
Child is another name of weak entity.
Define Outer join Outer join - If there are any type of values in the one table that do not have corresponding value(s) in the other, in an equi-join which will not be selected
i need help with creating database system for a library
A super key is an attribute or set of attributes used to recognize the records uniquely in a relation. For instance, in the Relation PERSON defines earlier PERSON_ID is a super
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
The database files accept the actual data and are typically the biggest in size. Depending on their shape, the tables for all the user operation can go in one database file-but
Recovery Techniques: After Reading the types of failures and database errors, let us talk about how to recover from the failures. Recovery can be complete using/restoring the previ
Serialisability: Any schedule that makes the similar results as a serial schedule is known as a serialisable schedule. But how can a schedule are determined to be serialisable or n
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
Give the Introduction of OBJECT DESIGN Strategies which are selected during system design are carried out in object-oriented design. In this procedure, objects which are identi
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
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