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What is an object ID? Each class-derived table has an ID for primary key, one or more object IDs form primary key for association derived tables. An object ID is equivalent dat
What is banker's algorithm? Banker's algorithm is a deadlock avoidance algorithm that is applicable to a resource-allocation system with multiple instances of each resource ty
Express the ways provided by MySQL for Pattern Matching? MySQL provides two kinds of pattern matching. 1) One is based on SQL patterns 2) Regular expressions.
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
Creating views with Replace option : This option is used to alter the definition of the view without recreating and dropping it or regranting object privileges previously granted o
can you create a database for me in oracle/sql
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
Boyce-Code Normal Form (BCNF) A relationship is said to be in BCNF if it is already in 3NF and the left hand side of each dependency is a candidate key. A relation who is in 3N
sql is relationally complete-justify
Our company hires independent contractors to install equipment at precise locations across North America. We want to track the installation data and generate reports. The compan
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