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Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
This language that enable user manipulate to or access data as organized by appropriate data model. Low level or Procedural DML : DML needs a user to specify what data ar
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
what is Nested relational model? Explain with examples.
What is a database? At any given time, they're storing a tremendous amount of information - inventory, in the case of Amazon, messages and interrelationships in the case of Tw
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
Consider employee table of (i) and list names of department(s) for which average salary for department is more than 10,000. (SELECT d_name FROM dept WHERE d_code IN (SELECT d_c
Explain Derived and Non-Derived Attribute? In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person e
What is object containment? References among objects can be used to model dissimilar real-world concepts.
Dirty Reads: T10 reads a value which is updated by T9. This update has not been committed and T9 aborts. T9 T10 Value of x old value = 200
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