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About the test:

The SQL Server Online test uses scenario-based MCQs to evaluate candidates on their knowledge of SQL Server, including their proficiency in writing complex SQL queries, administering SQL Server instances, and managing data. Additionally, the test assesses a candidate's understanding of SQL Server security, performance optimization, and disaster recovery. The test aims to evaluate a candidate's ability to work with SQL Server effectively and efficiently in various real-world scenarios.

Covered skills:

  • Transactional and relational Database
  • Database & Database Objects
  • Synchronization
  • Database Monitoring & Maintenance
  • SQL Server Database Security & Troubleshooting
  • Configurations
  • Installation
  • Transaction Logs
  • Backup & Recovery
  • Storage Area Network (SAN)

9 reasons why
9 reasons why

Adaface SQL Server Test is the most accurate way to shortlist Database Administrators



Reason #1

Tests for on-the-job skills

The SQL Server Online Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • Ability to design and implement transactional and relational databases
  • Ability to configure SQL server settings and optimizations
  • Ability to create and manage database objects
  • Ability to install SQL server and perform necessary configurations
  • Ability to synchronize data between multiple databases
  • Ability to manage transaction logs effectively
  • Ability to monitor and maintain databases
  • Ability to backup and recover databases
  • Ability to troubleshoot SQL server database security issues
  • Ability to work with Storage Area Network (SAN)
Reason #2

No trick questions

no trick questions

Traditional assessment tools use trick questions and puzzles for the screening, which creates a lot of frustration among candidates about having to go through irrelevant screening assessments.

View sample questions

The main reason we started Adaface is that traditional pre-employment assessment platforms are not a fair way for companies to evaluate candidates. At Adaface, our mission is to help companies find great candidates by assessing on-the-job skills required for a role.

Why we started Adaface
Reason #3

Non-googleable questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 10,000+ questions. The actual questions on this SQL Server Test will be non-googleable.

🧐 Question

Medium

Backup Strategy
Backups
Troubleshooting
Solve
As a DBA, you receive an alert notifying you that the production database has gone offline due to a severe issue. Fortunately, you have a proper backup strategy in place. The backups are performed as follows:

1. Full database backup every Sunday at 2:00 AM.
2. Differential backup every day at 2:00 AM, except Sunday.
3. Transaction log backup every hour.
Today is Wednesday, and the failure occurred at 10:15 AM. You have the following backup files available:

1. Full backup: Full_Backup_Sun.bak taken on Sunday 2:00 AM.
2. Differential backups: Diff_Backup_Mon.bak, Diff_Backup_Tue.bak, Diff_Backup_Wed.bak taken at 2:00 AM on their respective days.
3. Transaction log backups: Hourly backups from Sunday 3:00 AM until Wednesday 10:00 AM, like TLog_Backup_Wed_09.bak, TLog_Backup_Wed_10.bak.
Given the RPO (Recovery Point Objective) of 15 minutes, which of the following sequences of restore operations would ensure minimal data loss?
A: Full_Backup_Sun.bak, Diff_Backup_Wed.bak, then all Transaction Log backups from Wednesday.

B: Full_Backup_Sun.bak, Diff_Backup_Tue.bak, then all Transaction Log backups from Tuesday and Wednesday.

C: Full_Backup_Sun.bak, Diff_Backup_Wed.bak, then Transaction Log backups from Wednesday 2:00 AM to 10:00 AM.

D: Full_Backup_Sun.bak, then all Transaction Log backups from Sunday to Wednesday 10:00 AM.

E: Full_Backup_Sun.bak, Diff_Backup_Mon.bak, Diff_Backup_Tue.bak, Diff_Backup_Wed.bak, then Transaction Log backups from Wednesday 2:00 AM to 10:00 AM.

Medium

Optimizing Query Performance
Indexing
Join Optimization
Execution Plans
Solve
You are managing a SQL Server database for a large e-commerce platform. The database contains the following tables:
 image
Users often run a query to retrieve all orders from a specific date along with customer details and a breakdown of each order. Lately, this query has been performing poorly, especially on days with a high volume of orders.

Given this schema, which of the following changes would MOST LIKELY enhance the performance of this query?
A: Create a non-clustered index on Orders(OrderDate, OrderID) and a clustered index on OrderDetails(OrderID).
B: Create a clustered index on Orders(CustomerID, OrderDate) and a non-clustered index on OrderDetails(ProductName).
C: Increase the size of the OrderDetails(ProductName) column and add more RAM to the SQL Server machine.
D: Create a clustered index on Orders(OrderDate) and a non-clustered index on OrderDetails(OrderID, Quantity).
E: Partition the Orders table on OrderDate and create a non-clustered index on OrderDetails(DetailID, Price).

Medium

Transaction Isolation
Transaction Isolation Levels
Snapshot Isolation
Solve
You are managing a SQL Server instance that is experiencing performance degradation. After some analysis, you realize that the TempDB is under heavy stress due to numerous long-running transactions. Users have reported that some SELECT queries on a large table, named SalesData, are slower than expected.

You consider implementing Snapshot Isolation to mitigate blocking issues. You're aware that Snapshot Isolation uses TempDB to store row versions.

Given the situation, which combination of actions will help alleviate the stress on TempDB and enhance the performance of SELECT queries on SalesData?
A: Move TempDB to a faster storage subsystem and enable Snapshot Isolation for SalesData.
B: Increase the number of TempDB data files, shrink TempDB size, and enable Snapshot Isolation for the database.
C: Implement Read Committed Snapshot Isolation (RCSI) for the database and partition the SalesData table.
D: Reduce the TempDB size, implement table partitioning on SalesData, and enable Read Uncommitted isolation level for the SELECT queries.
E: Create a non-clustered index on frequently queried columns of SalesData and enable row versioning for the entire database.

Medium

Transaction Log Management
Performance Tuning
Log Management
Solve
You are a DBA at a large company managing an SQL Server database which is crucial for daily operations. The database is configured with the Full recovery model. The database is experiencing considerable transaction log growth during business hours, which is impacting the disk space and performance.

The following operations are performed on this database:

1. A large ETL process that runs every night, which transforms and loads data into several tables.
2. A data archiving job that runs every night, which removes old data from several tables.
3. Frequent read/write operations during the day as part of normal business operations.

Given this scenario, which of the following strategies could help manage the transaction log growth effectively?
A: Switch to the Simple recovery model.
B: Schedule frequent log backup and cleanups during business hours.
C: Shrink the transaction log file size during business hours.
D: Increase the database file size.

Medium

Multi Select
JOIN
GROUP BY
Solve
Consider the following SQL table:
 image
How many rows does the following SQL query return?
 image

Medium

nth highest sales
Nested queries
User Defined Functions
Solve
Consider the following SQL table:
 image
Which of the following SQL commands will find the ‘nth highest Sales’ if it exists (returns null otherwise)?
 image

Medium

Select & IN
Nested queries
Solve
Consider the following SQL table:
 image
Which of the following SQL queries would return the year when neither a football or cricket winner was chosen?
 image

Medium

Sorting Ubers
Nested queries
Join
Comparison operators
Solve
Consider the following SQL table:
 image
What will be the first two tuples resulting from the following SQL command?
 image

Hard

With, AVG & SUM
MAX() MIN()
Aggregate functions
Solve
Consider the following SQL table:
 image
How many tuples does the following query return?
 image
🧐 Question🔧 Skill

Medium

Backup Strategy
Backups
Troubleshooting

3 mins

SQL Server
Solve

Medium

Optimizing Query Performance
Indexing
Join Optimization
Execution Plans

3 mins

SQL Server
Solve

Medium

Transaction Isolation
Transaction Isolation Levels
Snapshot Isolation

3 mins

SQL Server
Solve

Medium

Transaction Log Management
Performance Tuning
Log Management

3 mins

SQL Server
Solve

Medium

Multi Select
JOIN
GROUP BY

2 mins

SQL
Solve

Medium

nth highest sales
Nested queries
User Defined Functions

3 mins

SQL
Solve

Medium

Select & IN
Nested queries

3 mins

SQL
Solve

Medium

Sorting Ubers
Nested queries
Join
Comparison operators

3 mins

SQL
Solve

Hard

With, AVG & SUM
MAX() MIN()
Aggregate functions

2 mins

SQL
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Backup Strategy
Backups
Troubleshooting
SQL Server
Medium3 mins
Solve
Optimizing Query Performance
Indexing
Join Optimization
Execution Plans
SQL Server
Medium3 mins
Solve
Transaction Isolation
Transaction Isolation Levels
Snapshot Isolation
SQL Server
Medium3 mins
Solve
Transaction Log Management
Performance Tuning
Log Management
SQL Server
Medium3 mins
Solve
Multi Select
JOIN
GROUP BY
SQL
Medium2 mins
Solve
nth highest sales
Nested queries
User Defined Functions
SQL
Medium3 mins
Solve
Select & IN
Nested queries
SQL
Medium3 mins
Solve
Sorting Ubers
Nested queries
Join
Comparison operators
SQL
Medium3 mins
Solve
With, AVG & SUM
MAX() MIN()
Aggregate functions
SQL
Hard2 mins
Solve
Reason #4

1200+ customers in 75 countries

customers in 75 countries
Brandon

With Adaface, we were able to optimise our initial screening process by upwards of 75%, freeing up precious time for both hiring managers and our talent acquisition team alike!


Brandon Lee, Head of People, Love, Bonito

Reason #5

Designed for elimination, not selection

The most important thing while implementing the pre-employment SQL Server Test in your hiring process is that it is an elimination tool, not a selection tool. In other words: you want to use the test to eliminate the candidates who do poorly on the test, not to select the candidates who come out at the top. While they are super valuable, pre-employment tests do not paint the entire picture of a candidate’s abilities, knowledge, and motivations. Multiple easy questions are more predictive of a candidate's ability than fewer hard questions. Harder questions are often "trick" based questions, which do not provide any meaningful signal about the candidate's skillset.

Science behind Adaface tests
Reason #6

1 click candidate invites

Email invites: You can send candidates an email invite to the SQL Server Test from your dashboard by entering their email address.

Public link: You can create a public link for each test that you can share with candidates.

API or integrations: You can invite candidates directly from your ATS by using our pre-built integrations with popular ATS systems or building a custom integration with your in-house ATS.

invite candidates
Reason #7

Detailed scorecards & benchmarks

View sample scorecard
Reason #8

High completion rate

Adaface tests are conversational, low-stress, and take just 25-40 mins to complete.

This is why Adaface has the highest test-completion rate (86%), which is more than 2x better than traditional assessments.

test completion rate
Reason #9

Advanced Proctoring


Learn more

About the SQL Server Assessment Test

Why you should use Pre-employment SQL Server Online Test?

The SQL Server Test makes use of scenario-based questions to test for on-the-job skills as opposed to theoretical knowledge, ensuring that candidates who do well on this screening test have the relavant skills. The questions are designed to covered following on-the-job aspects:

  • Writing efficient SQL queries and optimizing database performance
  • Designing and implementing database tables, views, and stored procedures
  • Managing transactional data and ensuring data integrity
  • Configuring and tuning the SQL Server for optimal performance
  • Installing, upgrading, and configuring SQL Server instances
  • Implementing database synchronization and replication
  • Understanding and managing transaction logs
  • Monitoring and maintaining database performance and health
  • Implementing backup and recovery strategies
  • Securing SQL Server databases and troubleshooting security issues

Once the test is sent to a candidate, the candidate receives a link in email to take the test. For each candidate, you will receive a detailed report with skills breakdown and benchmarks to shortlist the top candidates from your pool.

What topics are covered in the SQL Server Online Test?

  • Transactional and Relational Database

    This skill involves understanding and working with databases that support transactions and relationships between data. It is essential to measure this skill in the test as it ensures the candidate's ability to design and manage databases efficiently.

  • Configurations

    This skill encompasses the knowledge of configuring SQL Server settings, such as memory allocation, network protocols, and server options. Measuring this skill is important as it evaluates the candidate's capability to optimize the performance and security of a SQL Server installation.

  • Database & Database Objects

    This skill evaluates the candidate's proficiency in creating, modifying, and managing databases and database objects like tables, views, and stored procedures. Assessing this skill is crucial as it reflects the candidate's ability to organize and manipulate data effectively in a SQL Server environment.

  • Installation

    This skill involves the process of installing SQL Server, including the selection of appropriate installation options and configuring the necessary components. It is important to measure this skill as it assesses the candidate's understanding of the installation process to ensure a successful and reliable deployment of SQL Server.

  • Synchronization

    This skill encompasses the ability to synchronize data across multiple servers or databases using techniques such as replication or mirroring. Measuring this skill is crucial as it demonstrates the candidate's capability to maintain consistent and up-to-date data in a distributed database environment.

  • Transaction Logs

    This skill pertains to managing and analyzing transaction logs in a SQL Server database. Assessing this skill is important as it ensures the candidate's proficiency in troubleshooting and recovering from system failures, as well as maintaining data integrity through proper log management.

  • Database Monitoring & Maintenance

    This skill involves monitoring the performance, availability, and health of SQL Server databases using various tools and techniques. It is essential to measure this skill as it reflects the candidate's ability to proactively identify and resolve performance issues, ensuring optimal database performance and availability.

  • Backup & Recovery

    This skill encompasses creating and executing backup and recovery strategies to safeguard SQL Server databases against data loss and to restore them in the event of failures. Assessing this skill is important as it evaluates the candidate's knowledge and proficiency in protecting critical data and minimizing downtime.

  • SQL Server Database Security & Troubleshooting

    This skill involves implementing and maintaining robust security measures to protect SQL Server databases from unauthorized access and ensuring data confidentiality. Measuring this skill is crucial as it assesses the candidate's capability to identify and resolve security vulnerabilities and troubleshoot issues effectively.

  • Storage Area Network (SAN)

    This skill pertains to working with SQL Server databases that utilize a Storage Area Network (SAN) for storage provisioning. Assessing this skill is important as it reflects the candidate's understanding of SAN technologies, ensuring efficient and reliable storage management for SQL Server environments.

  • Full list of covered topics

    The actual topics of the questions in the final test will depend on your job description and requirements. However, here's a list of topics you can expect the questions for SQL Server Test to be based on.

    Transaction management
    Data modeling
    Normalization
    Indexing
    Query optimization
    Stored procedures
    Views
    Triggers
    Joins
    Subqueries
    Table design
    Server configuration
    Query execution plans
    Clustered and non-clustered indexes
    Database installation process
    SQL server instances
    Database mirroring
    Log shipping
    Replication
    Database maintenance tasks
    Monitoring tools and techniques
    Backup strategies
    Recovery models
    Database security measures
    User access management
    SQL injection prevention
    Encryption and decryption
    High availability techniques
    Disaster recovery
    SAN configurations

What roles can I use the SQL Server Online Test for?

  • Database Administrator
  • SQL Developer
  • PostgreSQL Developer
  • Data Analyst
  • Software Engineer
  • Business Intelligence Analyst
  • Data Engineer
  • Data Architect
  • Data Warehouse Developer
  • ETL Developer

How is the SQL Server Online Test customized for senior candidates?

For intermediate/ experienced candidates, we customize the assessment questions to include advanced topics and increase the difficulty level of the questions. This might include adding questions on topics like

  • Managing storage area network (SAN) for SQL Server
  • Performance tuning for databases with 1-3 years of experience
  • Implementing high availability and disaster recovery solutions
  • Configuring and managing database mirroring and availability groups
  • Implementing partitioning and indexing strategies
  • Troubleshooting and resolving database performance issues
  • Implementing data encryption and data masking techniques
  • Optimizing query execution plans and using query hints
  • Implementing database snapshot and read-only replicas
  • Creating and managing SQL Server Agent jobs for automation
Singapore government logo

The hiring managers felt that through the technical questions that they asked during the panel interviews, they were able to tell which candidates had better scores, and differentiated with those who did not score as well. They are highly satisfied with the quality of candidates shortlisted with the Adaface screening.


85%
reduction in screening time

SQL Server Hiring Test FAQs

What is the SQL Server online test?

The SQL Server online test is a skills assessment that evaluates a candidate's knowledge and skills related to Microsoft SQL Server, which is a relational database management system used for storing and retrieving data. The test typically includes questions on SQL Server features, database design, SQL queries etc.

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

  • Non-googleable questions
  • IP proctoring
  • Screen proctoring
  • Web proctoring
  • Webcam proctoring
  • Plagiarism detection
  • Secure browser
  • Copy paste protection

Read more about the proctoring features.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

What is the cost of using this test?

You can check out our pricing plans.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

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