this blog will not only arm you with potential interview questions. Hiring managers, on the other hand, will find a well-structured questionnaire to aid them in filtering and selecting the most qualified PostgreSQL experts for
SQL is one of the most common skills that recruiters look for not only in IT-related jobs but also in various other job profiles, including business, finance, insurance, and other domains. This MS SQL Server Interview Questions blog comprises all the questions that are asked by companies in ...
Database lock tell a transaction, if the data item in questions is currently being used by other transactions. SQL INTERVIEW QUESTIONS AND ANSWERS 10 | P a g e What are the type of locks ? Shared Lock When a shared lock is applied on data item, other transactions can only read the ite...
Bit datatype is used to store boolean information like 1 or 0 (true or false). Untill SQL Server 6.5 bit datatype could hold either a 1 or 0 and there was no support for NULL. But from SQL Server 7.0 onwards, bit datatype can represent a third state, which is NULL. 5. Define ...
Any record deleted from SQL Server is not actually deleted from its physical data pages but marked as “To BE DELETED” or “GHOSTED” by changing a bit in the row header. These records will be cleaned up by an internal process that is called the ghost cleanup process. This is a single...
Top 50 MySQL Interview Questions and Answers for freshers and experienced MySQL developers.3.9k 0 0 MySQL Share Join Techieclues community and access the complete membership experience. Register For Free 1. What are the features of MySQL? MYSQL is open-source, has very rich documentation, a ...
No.Questions 1 What is a database? 1 What is DBMS? 1 What is SQL? 1 What is PL/SQL? 1 What is the difference between SQL and PL/SQL? 1 What is RDBMS? 1 What is a database table? 1 What is a query? 1 What is subquery? 1 What are the types of subquery?
There are many different extensions of SQL used around the world, but MySQL is the most common. Most extensions of SQL share very similar functionality and features — so be sure to check out our list of top SQL interview questions for some info that applies to all SQL's extensions....
InterviewBit offers interview training courses on programming inPython, Java, C++ and JavaScript,as well as insystems design, scripting and databases using SQL. Besides a very broad range of popular interview questions, you’ll also get to experiencemock interview sessionswith other peers and you’...
PostgreSQL Interview Questions for Freshers: Q1) Name a few key elements of PostgreSQL. Ans:The key elements of PostgreSQL : Support for advanced data types, such as arrays, hstore, and JSON Support for full-text search Concurrent transactions and robust reliability ...