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The Join operation is one of the most useful activities in relational algebra. It is most commonly used way to combine information from two or more relations. A Join is always performed on the basis of the same or related column. Most complex queries of SQL involve JOIN command. There are ...
2. SQL : Queries, Constraints and Triggers The section contains questions and answers on different set of SQL basics, set and null value operations, modifications, views and transactions, different types of integrity constraints, joins, nested subqueries and aggregate functions, schemas and data type...
SQL Functions Aptitude Questions | Set 3 Advance SQL Queries Aptitude Questions | Set 1 Advance SQL Queries Aptitude Questions | Set 2DBMS Aptitude Questions and Answers contains Aptitude Questions and Answers on DBMS Basic Concepts, Keys (Primary, Foreign, Alternative etc) related, ER Model, Relat...
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SQL Server Always On high-availability solution in Azure integrates with Windows Server Failover Clustering and involves the use of an Azure load balancer and an availability set. SQL Server Always On replicates DBMS data and log files by using its own DBMS replicat...
OmiscientDB empowers its users to augment their datasets by means of simple SQL queries and thus has the potential to dramatically reduce the manual overhead associated with data integration. And an open-world DBMS that can automatically augment existing databases with world knowledge for the ...
If you’re wondering how to choose a database monitoring solution, you should ask yourself the following questions before making an investment: Does the tool provide query tuning advice? Can it catch database replication and identify blocked SQL queries? Does the platform offer multi-vendor compati...
DBMS Questions for GATE From Database Management Section of Computer Science and Engineering MCQ – Single Answer DBMS GATE Questions If you take these entities ‘hotel room’, and ‘person’ with a many-to-many relationship, ‘lodging’ as shown in the figure below. ...