150+ SQL Data Science interview Questions
SQL Data Science interview Questions
Here we have 150+ SQL interview questions which are asked in most of the Data Science and Data Analyst interviews.
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Try to solve 10-12 questions per day, don’t skip any question and try to google out the answer in case you are confused or have no clue
SQL Data Science interview Questions
SQL Interview Questions | Alternate Rows
Moonfrog Interview Questions | Queries
Lowe’s Interview Questions | Query I
Lowe’s Interview Questions | Query II
Lowe’s Interview Questions | Query III
Lowe’s Interview Questions | Over-weight
EXL Interview Questions| Triggers
EXL Interview Questions| Salary
EXL Interview Questions| Gender
SQL Interview Questions | PARTITION key
SQL Interview Questions | Solving Database Problem
SQL Interview Questions | Separate DOB Data of Employess
SQL Interview Questions | Copy the Table
SQL Interview Questions | 8 Characters in name
SQL Interview Questions | First name
SQL Interview Questions | Nth Highest Salary
SQL Interview Questions | Employee Details
SQL Interview Questions | Pay Raise
SQL Interview Questions | OFFSET Command Problem
SQL Interview Questions | Get the appropriate result
SQL Interview Questions | Alternative of TOP Clause
SQL Interview Questions | Output of Functions
SQL Interview Questions | Remove duplicate entries
SQL Interview Questions | Employees with same salary
SQL Interview Questions | Collect employee details
SQL Interview Questions | Find the manager name
SQL Interview Questions | Verify the Table
Accenture Interview Questions | How the triggers will execute if two or more triggers?
Accenture Interview Questions | If a emp table is having duplicate emp_id then can we make it primary key?
Accenture Interview Questions | Primary Key
Accenture Interview Questions | Cumulative Sum
Affine Analytics Interview Questions | DDL, DML, and DCL commands
Affine Analytics Interview Questions | How to get 3 Min salaries?
Affine Analytics Interview Questions | How to fetch only even rows from a table?
Affine Analytics Interview Questions | What is a RANK() function? How is it different from ROW_NUMBER()?
BOX8 | SQL Query on Regular Expression
BOX8 | Regular Expression in SQL
BOX8 | SQL Query
BOX8 | Ranking in SQL
Amazon Interview Question | What is NTILE with syntax?
What is the use of IFNULL and ISNULL in SQL?
Important conditions for joining two tables on a key?
What is Hash Join?
Write a SQL query to find the common records between two tables?
Write the query to remove the duplicates from a table without using a temporary table?
Get the number of duplicate names and their frequency
Extract all the distinct email id domain from all the employee
what is the difference between NVL and NVL2 functions?
Find all the students who either are male or live in Mumbai ( have Mumbai as a part of their address).
Get alternate record from table
SQL Regular Expression
SQL interview question | Conditional Query
SQL output question | The Moonfrog Lab interview question
Can you join two table without any common column?
You always have a big data i.e. millions of rows in your tables, how would you partition it for optimum performance?
What is indexing in SQL? Meredith India interview question
What is the difference between COUNT(*) and COUNT(ColName)?
What is the use of FETCH command? OLA interview question
SQL Query Output | EXL interview question
Help me create a table with all the employee Names and Manager Names. SQL OYO interview Questions
SQL Interview question
Write a SQL query to find all the student names Nitin in a table
Ranking in SQL
Can you use HAVING command without any aggregate function in SQL?
SQL interview Question | Second Highest Salary – Ranking
SQL interview Question | Second Highest Salary – Method 1
SQL interview question | Write the query
What is the order of execution of SQL commands?
What is the use of OFFSET command?
What is an Index?
What is Collation?
What is a Data Definition Language?
Please explain normalization in layman’s term
Different types of indexes in SQL
Can we sort column using column alias in SQL?
Clustered and non-clustered index in SQL
What is a trigger?
What is the difference between Cluster and Non-Cluster Index?
What are different types of UDF in SQL?
What is the difference between DELETE and TRUNCATE commands?
SQL output interview question
varchar vs char in SQL
What is the difference between clustered and non clustered index in SQL?
What is the role of “Database Testing” in SQL?
The wildcard in a WHERE clause is useful when?
What is the function of COALESCE()?
SQL Query | Level – Basic
SQL Query | Level – Basic 2
SQL Query | Level – Basic 3
SQL Query | Level – Basic 4
Find the Output
Find the Nth largest salary from employee table.
What is the order of execution of SQL query?http://thedatamonk.com/question/what-is-the-order-of-execution-of-sql-query/