Database Administrator (dba) Interview Questions and Answers in 2025 (100+ Q&A)

Database Administrator (dba) DB Architecture

Ques:- I wanted to load only particular no of records suppose i have 100 records out of which i wanted to load first 10 records to target.

Asked In :- Testrig Technologies, kinaxis, vas, disclosure and barring service dbs,

Right Answer:
You can use the SQL `LIMIT` clause to load a specific number of records. For example, to load the first 10 records, you can use the following query:

```sql
SELECT * FROM your_table_name
LIMIT 10;
```

Database Administrator (dba) Telecommunication

Ques:- What action is taken when the processor under execution is interrupted by a non-maskable interrupt?a) Processor serves the interrupt request after completing the execution of the current instruction.b) Processor serves the interrupt request after complet

Asked In :- OIP, 5G Networks, Dialpad, Inc, commvault, ste, razorpay,

Right Answer:
a) Processor serves the interrupt request after completing the execution of the current instruction.

Aptitude Database Administrator (dba)

Ques:- A moves 3 kms east from his starting point . He then travels 5 kms north. From that point he moves 8 kms to the east. How far is A from his starting point?

Asked In :- mindpearl, seven lakes technologies,

Right Answer:
A is 10 kms away from his starting point.

Comments

usha Nov 9, 2021

Database Administrator (dba) Telecommunication

Ques:- Memory allocation of variables declared in a program is?a) allocated in RAM.b) allocated in ROM.c) allocated on stack.d) assigned to registers.

Asked In :- Azercell Telecom, Dialpad, Inc,

Right Answer:
a) allocated in RAM.

Database Administrator (dba) Telecommunication

Ques:- Who can I contact if I continue having problems with my Broadband service?

Asked In :- Snowflake,

Right Answer:
You can contact your Internet Service Provider's customer support for assistance with your Broadband service issues.

Database Administrator (dba) Shell Scripting

Ques:- How would you using the commands ps, cut, tr and kill, along with pipes, write a command that will find all sleep processes running on the system and kill them?

Asked In :- Cron-J, andela, cellbios healthcare & lifesciences pvt. ltd,

Right Answer:
```bash
ps aux | grep '[s]leep' | cut -d ' ' -f 2 | xargs kill
```

Database Administrator (dba) Shell Scripting

Ques:- How do you define a function in a shell script? –

Asked In :- THDC, ev, smartek21,

Right Answer:
To define a function in a shell script, use the following syntax:

```bash
function_name() {
# commands
}
```

or

```bash
function function_name {
# commands
}
```

Database Administrator (dba) Shell Scripting

Ques:- How do you stop a process?

Asked In :- ibaset, rev solutions,

Right Answer:
To stop a process, you can use the `kill` command followed by the process ID (PID). For example: `kill <PID>`. If you need to forcefully stop it, use `kill -9 <PID>`.

Database Administrator (dba) Shell Scripting

Ques:- If you have a string “one two three”, which shell command would you use to extract the strings

Asked In :-

Right Answer:
You can use the `echo` command with `awk` or `cut`. Here are two options:

1. Using `awk`:
```bash
echo "one two three" | awk '{print $1, $2, $3}'
```

2. Using `cut`:
```bash
echo "one two three" | cut -d' ' -f1,2,3
```

Aptitude Database Administrator (dba)

Ques:- If $ stands for triple and # for negation, what is the value of #$#3-#5

Asked In :- hi-tech solutions, gaisano malls,

Right Answer:
The value is -6.

Database Administrator (dba) Linux

Ques:- You want to make it possible for your users to mount floppy disks. What do you need to do?Choose one:a. Tell your users the password for root as floppies can only be mounted by root.b. Edit the mtab file and add the user option on the floppy entry.c. Edit

Asked In :- greenway health, goc,

Right Answer:
b. Edit the mtab file and add the user option on the floppy entry.

Database Administrator (dba) Linux

Ques:- You want to delete the following directories and their files/home/bob/letters/home/bob/salesso you issue the command rmdir /home/bob/letters but the command fails. What went wrong?Choose one:a. You need to first delete the sales subdirectory and its files

Asked In :- Meditab Software, HeapTrace, BIW, pure storage, smud, cbss/visa vale,

Right Answer:
a. You need to first delete the sales subdirectory and its files.

Database Administrator (dba) PeopleSoft

Ques:- What is the default Crystal Report that PeopleSoft Query tool creates?

Asked In :- mediakind global,

Right Answer:
The default Crystal Report that the PeopleSoft Query tool creates is called "Query Report."

Aptitude Database Administrator (dba)

Ques:- What is the height of room if after entering the room with a watch your head strikes a hanging bulb?

Asked In :-

Right Answer:
The height of the room is the height of your head plus the length of the watch.

Database Administrator (dba) Linux

Ques:- You have set quotas for all your users but half of your users are using more space than they have been allotted. Which of the following could be the problem?Choose one:a. You have too many users on your system.b. Users' home directories are located on

Asked In :-

Right Answer:
b. Users' home directories are located on a filesystem that does not enforce quotas.

Database Administrator (dba) PeopleSoft

Ques:- Fit gap analysis — implementation and upgrade

Asked In :-

Right Answer:
Fit gap analysis in the context of implementation and upgrade involves assessing the differences between the current system capabilities and the requirements of the new system. It identifies which features fit the new system without modification (fit) and which features require changes or do not exist (gap). This analysis helps in planning the necessary adjustments, customizations, or enhancements needed to meet business needs during the implementation or upgrade of PeopleSoft.

Database Administrator (dba) Linux

Ques:- You have a file called administration with the following attributes-rw-rw-r– 1 root admin 7202 Sep 17 9:10 administrationGeorge is a member of the admin group and Bob is a member of the sales group. Both George and Bob need to make changes to this file.

Asked In :- applicate it solutions pvt. ltd.,

Right Answer:
To allow both George and Bob to make changes to the file "administration," you can change the group ownership of the file to a group that includes both users or add George to the sales group. Alternatively, you could change the file's permissions to allow write access to others.

For example, you can run:
```bash
chgrp sales administration
chmod 664 administration
```
This will give write access to both groups.

Database Administrator (dba) PeopleSoft

Ques:- ?Trace 255 command line option produces the trace file with the name?

Asked In :- gruppo scai, consulenza aziendale informatica,

Right Answer:
The trace file is named "PSAPPSRV_*.trc", where * is the process ID.

Database Administrator (dba) PeopleSoft

Ques:- Which RDBMS uses Tablespace?

Asked In :- SEEBURGER, tiket.com (pt. global tiket network),

Right Answer:
Oracle RDBMS uses Tablespace.

Database Administrator (dba) PeopleSoft

Ques:- What are the various ways to run sqr?

Asked In :-

Right Answer:
SQR can be run in several ways:

1. **Command Line**: Using the SQR command in the terminal or command prompt.
2. **Process Scheduler**: Scheduling SQR jobs through PeopleSoft Process Scheduler.
3. **Batch File**: Executing SQR scripts via batch files.
4. **PeopleSoft Application**: Running SQR reports directly from the PeopleSoft application interface.
5. **SQR Development Environment**: Running SQR within the SQR development environment for testing and debugging.

The Database Administrator (DBA) section on takluu.com is designed for professionals aiming to manage, maintain, and optimize enterprise database systems. A DBA ensures data integrity, availability, and security, playing a vital role in the smooth operation of business-critical applications.

This category covers core DBA responsibilities including database installation and configuration, backup and recovery strategies, performance tuning, security management, replication, and troubleshooting. You’ll find comprehensive content on popular database platforms such as Oracle, SQL Server, MySQL, and PostgreSQL, along with cloud database management.

Our interview preparation material includes real-world scenario-based questions that test your problem-solving skills, understanding of database internals, and ability to handle emergencies like data loss or performance bottlenecks. We also focus on automation of DBA tasks using scripts and tools, which is increasingly important in modern DevOps environments.

Whether you are preparing for roles like Junior DBA, Senior DBA, or Database Manager, this section equips you with the knowledge to confidently answer both technical and behavioral interview questions.

At Takluu, we emphasize practical learning with mock interviews, step-by-step guides, and tips on best practices. This ensures that you are not only interview-ready but also prepared to manage real-world database challenges effectively.

Start your journey with us to become a skilled Database Administrator who safeguards and optimizes valuable organizational data.

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