SQL interview Questions & Answers is a must for any developer as all non-trivial applications need to talk to a database with CRUD operations. Q3 – Q15 are very popular…
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Home › Java & Big Data Interview Q&As › ➡ Java interview › 300+ Java Interview FAQs › Archive for Java FAQs – 13: SQL
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15+ SQL optimisation interview questions & answers with scenarios
1) Select fields instead of using SELECT *. The “*” is used as a short hand to query all available data from a table. If a table has many fields…
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15+ SQL scenarios based interview Q&As – part 1
15+ SQL interview questions and answers to solve real business scenarios. SQL is widely used in building microservices & Big Data projects. Learning SQL syntax is easy, but being able to convert a given business requirement into a query takes lots of practice. These scenarios based interview questions can assesses your experience.…
15+ SQL scenarios based interview Q&As – Part 2
This extends Q01 – Q03 at 15+ SQL scenarios based interview questions answered. Q04 When you have a table that maintains history of record updates, how will you go about…
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