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An interface class in software development is a blueprint for a class that defines a set of methods that a class must implement.
Interface classes contain abstract methods that must be implemented by any class that implements the interface.
Interfaces allow for multiple inheritance in programming languages that do not support it.
Interfaces are used to define a contract for classes to adhere to, ensuring consistency and i...
Global exceptions can be handled by using try-catch blocks in the code.
Use try-catch blocks to catch exceptions at a global level
Implement a global exception handler to log or display the exception details
Consider using frameworks like Spring Boot for handling global exceptions
I will analyze the query execution plan, optimize the query, check for indexing, and consider partitioning.
Analyze the query execution plan to identify any bottlenecks or inefficiencies.
Optimize the query by rewriting it, adding indexes, or restructuring the data.
Check for proper indexing on the tables involved in the query.
Consider partitioning large tables to improve query performance.
Use tools like SQL Profiler or D...
Indexes in databases help improve query performance by allowing faster data retrieval.
Types of indexes include B-tree, hash, bitmap, and full-text indexes.
B-tree indexes are commonly used for range queries.
Hash indexes are useful for equality queries.
Bitmap indexes are efficient for low cardinality columns.
Full-text indexes are used for searching text data.
I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
Technical Test round for Java and .Net
Top trending discussions
I applied via Campus Placement and was interviewed before Mar 2020. There was 1 interview round.
Triggers are database objects that automatically execute in response to certain events or changes in data.
Triggers are used to enforce business rules or data integrity.
They can be used to audit changes to data.
Triggers can be set to execute before or after an event, such as an insert, update, or delete operation.
They can be defined on tables, views, or schemas.
Examples of triggers include sending an email notification ...
I applied via Naukri.com and was interviewed in Sep 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in Jul 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed before Jan 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Aug 2020. There was 1 interview round.
I applied via Walk-in and was interviewed in Aug 2020. There were 4 interview rounds.
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