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What is Relational Algebra?Relational algebra is a Procedural query Language?
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
Redo Logs: Any database must have minimum two redo logs. These are the rules for the database; the redo logs record all modifies to the system objects or user objects. If any type
Consider the ER schema below for the MoneyMaking supermarket chain problem. Translate the given ER schema into SQL CREATE TABLE statement.
What is DAG? The class-subclass relationship is shown by a directed acyclic graph.eg: employees can be temporary or permanent. We might be create subclasses temporary \and perm
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
ddlc
Explain the ACID properties of a transaction Ans: ACID properties are a significant concept for databases. The ACID stands for Atomicity, Consistency, Isolation, and Durability
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
Differentiate between a subquery and a join If we need to acquire information from one or more tables after that either subquery or join can be used. If the columns which are t
The Form input elements are: Reporter name text type input Password
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