(And hey, these are “sample” SQL interview questions but they are heavily based on reality!) Before the tasks – What can you expect in an SQL technical screening? There are two common ways an SQL tech screening can be done. The simpler but less common way is that you get a ...
The questions and answers are covered using every detail possible and they also contain queries as and where necessary. This ensures that you learn every bit of it and be well-prepared for the interview. To begin with, we will cover the basic concepts about SQL. Further, we will move towar...
This is the widely used join for queries. SELECT * FROM Table_A JOIN Table_B; SELECT * FROM Table_A INNER JOIN Table_B; LEFT (OUTER) JOIN: Retrieves all the records/rows from the left and the matched records/rows from the right table. SELECT * FROM Table_A A LEFT JOIN Table_B ...
1. Make a note of all node names (and/or IP addresses), SQL Server virtual names along with preferred nodes. If there are more than three nodes you may need to also take note of possible owners for each SQL resource group. For my example assume that I have a cluster with node1 and...
Comprehensive, community-driven list of essential SQL interview questions. Whether you're a candidate or interviewer, these interview questions will help prepare you for your next SQL interview ahead of time.
CREATE TABLE SAMPLE2 (Id INT IDENTITY(100,1))-- Trigger to execute while inserting data into SAMPLE1 tableGOCREATE TRIGGER TRGINSERT ON SAMPLE1 FOR INSERTASBEGININSERT SAMPLE2 DEFAULT VALUESENDGO SELECT * FROM SAMPLE1 -- It will return empty value...
Read 50 most frequently asked SQL query questions and improve your SQL skills. To get you started, we’ve answered with appropriate SQL queries.
Debugged SQL queries Use the STAR method (Situation, Task, Action, Result) to structure your problem-solving examples. This helps you concisely communicate the context, your role, and the outcome. For extra reassurance, paste your resume content intoScore My Resumeto get instant feedback on you...
Data Insertion: Populate your database with sample or real data using INSERT statements. 5. Testing: Query Testing: Test your SQL queries to ensure they return the expected results. Performance Testing: Optimize queries for performance if working with large datasets. 6. Documentation: Project Docume...
Speed and Concurrency, SQL Server 2005 system is able to handle5,000 transactions per second and 100,000 queries a day and can scale up to 8 million new rows of data per day, Finally, more technical peoples are available for SQL SERVER when we compare to any other database. ...