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Spacempact Consulting SQL Developer Interview Questions, Process, and Tips
Spacempact Consulting SQL Developer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Indeed and was interviewed before Nov 2023. There were 2 interview rounds.
(2 Questions)
- Q1. What is your total experience in SQL? And explain ur last project that is Related to the current position.
- Ans.
I have 5 years of experience in SQL. My last project involved optimizing database queries for a large e-commerce platform.
5 years of experience in SQL
Optimized database queries for a large e-commerce platform
Worked on improving performance and efficiency of database operations
- Q2. How fast you can join the company if your selected?
(3 Questions)
- Q1. What is SQL ? What is window functions in SQL? Explain joins in SQL?
- Ans.
SQL is a programming language used for managing data in relational databases. Window functions are used for calculations within a specific window of rows. Joins are used to combine data from multiple tables based on a related column.
SQL stands for Structured Query Language and is used for managing data in relational databases
Window functions in SQL allow for calculations to be performed within a specific window of rows
...
- Q2. Write a query to get the Data of employees who are getting maximum salaries in each Department? Display the Employee Details with their Respective Salary?
- Ans.
Query to retrieve employee details with maximum salary in each department
Use a subquery to get the maximum salary for each department
Join the subquery with the main employee table to retrieve employee details
Display employee details along with their respective salaries
- Q3. What is Difference betweenDDL and DML
- Ans.
DDL is Data Definition Language used to define database structure, while DML is Data Manipulation Language used to manage data within database.
DDL is used to create, modify, and delete database objects like tables, indexes, etc.
DML is used to insert, update, delete, and retrieve data from database tables.
DDL statements include CREATE, ALTER, DROP, TRUNCATE, etc.
DML statements include INSERT, UPDATE, DELETE, SELECT, etc
Interview Preparation Tips
- MySQL
- MS SQL Server
Skills evaluated in this interview
Interview questions from similar companies
(2 Questions)
- Q1. Explain sql commands
- Q2. Explain normalization in sql
Selected
I applied via Company Website and was interviewed in Nov 2024. There were 2 interview rounds.
Sql
ddl
dml
tcl
dql
joins
view
date commit
Date commit
joins
view
sum
max
avg
count
min
(1 Question)
- Q1. What is sql , index , stored proc , triggers
I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.
(2 Questions)
- Q1. Joins in sql server
- Q2. Set operator in sql
Interview Preparation Tips
(2 Questions)
- Q1. Explain about SSIS Architecture
- Ans.
SSIS Architecture is a platform for data integration and workflow applications.
SSIS stands for SQL Server Integration Services
It includes a data flow engine, control flow engine, and event handling
SSIS packages can be created using SQL Server Data Tools (SSDT)
SSIS packages can be scheduled and executed using SQL Server Agent
- Q2. How to implement transactions in ssis
- Ans.
Transactions in SSIS can be implemented using the TransactionOption property in Control Flow tasks.
Set the TransactionOption property to Required on the Control Flow tasks that need to be included in the transaction.
Use the TransactionOption property to specify the level of transaction support needed for each task.
Transactions can be managed using the Distributed Transaction Coordinator (DTC) service.
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. How to insert multiple values in one go
- Ans.
Use the INSERT INTO statement with multiple value sets separated by commas
Use the INSERT INTO statement followed by the table name
List the column names in parentheses after the table name
Use the VALUES keyword followed by multiple value sets in parentheses, separated by commas
Example: INSERT INTO table_name (column1, column2) VALUES (value1, value2), (value3, value4)
- Q2. Update query using joins
- Ans.
Update query using joins in SQL
Use UPDATE statement with JOIN clause to update data in multiple tables
Specify the tables to be updated and joined using ON clause
Set the columns to be updated in SET clause
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed in Apr 2024. There were 3 interview rounds.
(1 Question)
- Q1. Technical discussion
(1 Question)
- Q1. Manager round and technical discussion
(1 Question)
- Q1. Selection processs
(2 Questions)
- Q1. Write a query to display the highest salary
- Ans.
Query to display the highest salary in a table
Use the SELECT statement to retrieve data
Use the MAX() function to find the highest salary
Specify the column name for salary in the query
- Q2. Stored proceduers,functions,cursors triggers,
Interview Preparation Tips
Skills evaluated in this interview
(2 Questions)
- Q1. Types of Indexes
- Ans.
Types of indexes include clustered, non-clustered, unique, composite, and filtered indexes.
Clustered indexes physically reorder the data in the table based on the index key.
Non-clustered indexes create a separate structure for the index, pointing back to the original table data.
Unique indexes ensure that no two rows have the same values in the indexed columns.
Composite indexes are created on multiple columns to improve...
- Q2. Sceanrio based question
(2 Questions)
- Q1. Salary discussion
- Q2. Joining date and last working date
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