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Sql Programmer Interview Questions

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2,216 sql programmer interview questions shared by candidates

Joins, Acid properties, constraints, diff types, aggregate functions, how to improve performance, cursor types of cursor, triggers type of triggers, views and materialized views diff also, operators bulk collect and for all statement,indexing, n its types, clustered and non-clustered index diff,correlated query,partitions, diff b/w truncate and drop, dml ddl n dcl commands, normalization, hierarchical representation from any table write a query, mutating error, instead of trigger indirect use, one question from package
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PL/SQL Developer

Interviewed at Cognizant

3.4★
May 16, 2025

Joins, Acid properties, constraints, diff types, aggregate functions, how to improve performance, cursor types of cursor, triggers type of triggers, views and materialized views diff also, operators bulk collect and for all statement,indexing, n its types, clustered and non-clustered index diff,correlated query,partitions, diff b/w truncate and drop, dml ddl n dcl commands, normalization, hierarchical representation from any table write a query, mutating error, instead of trigger indirect use, one question from package

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