Answer / srivas

A transaction is a logical unit of work in which, all the
steps must be performed or none. ACID stands for Atomicity,
Consistency, Isolation, Durability. These are the properties
of a transaction.

Answer / mobin sathupally

A transaction is a logical unit of work in which, all the
steps must be performed or none.A transaction follows four
properties(rules).These four properties are known as ACID.
ACID stands for Automocity,Consistency,Isolation and
Durability.

Answer / rahul

transaction is only the reading or writing or both reading
and writing in a database. when we are reading from a
database that is transaction where the database is not
changing. in writing into database the database values can
be changed. we can do both reading and writing in a database.
to do these operations the database must have the acid
properties.

System variable and temporary variables

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