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SQL is a domain-specific language used for managing and manipulating relational databases.
SQL stands for Structured Query Language
Types of SQL include MySQL, PostgreSQL, Oracle, SQL Server, etc.
SQL is used for querying, updating, and managing databases
Common SQL commands include SELECT, INSERT, UPDATE, DELETE
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CAP theorem states that in a distributed system, it is impossible to simultaneously guarantee consistency, availability, and partition tolerance.
CAP theorem: Consistency, Availability, Partition tolerance - pick two
Column families: A way to organize data in NoSQL databases like Apache Cassandra
Functions in Cassandra: read, write, delete, update
Key value pair: Basic data structure where each key is associated with a val
Column families are a way to organize related data in a NoSQL database, grouping columns together for efficient retrieval.
Column families are a way to group related columns together in a NoSQL database.
They are used in databases like Apache Cassandra to organize data efficiently.
Column families can contain a large number of columns, each with a unique name and value.
They are stored together on disk for faster retrieval...
Cassandra functions are used for data manipulation and retrieval in Cassandra database.
Aggregate functions like COUNT, SUM, AVG, MIN, MAX
Date and time functions like NOW, DATEOF, UNIXTIMESTAMP
Mathematical functions like ABS, CEIL, FLOOR, SIN, COS
String functions like LENGTH, SUBSTRING, CONCAT, LOWER, UPPER
Cassandra is a distributed NoSQL database management system designed for handling large amounts of data across multiple servers.
Cassandra is a highly scalable and fault-tolerant database system.
It is based on a distributed architecture, with data spread across multiple nodes.
Cassandra uses a masterless design, where all nodes are equal and can handle read and write requests.
It uses a partitioning strategy called consis...
Key value pair is a data structure where each key is associated with a corresponding value.
Key value pairs are commonly used in dictionaries, hash tables, and JSON objects.
Keys are unique identifiers that are used to access the corresponding values.
Examples include 'name: John', 'age: 30', 'city: New York'.
Hey I am vikas and I am a hard-worker and specialist for learning
Customer service problems can be solved by improving communication, training staff, and implementing efficient processes.
Improve communication channels between customers and support staff
Provide thorough training to staff on product knowledge and problem-solving skills
Implement efficient processes for handling customer inquiries and complaints
Use customer feedback to continuously improve service quality
In the present time, marketing needs to be data-driven, personalized, and focused on digital channels.
Data-driven marketing strategies using analytics and customer insights
Personalized marketing campaigns tailored to individual preferences
Utilizing digital channels such as social media, email, and online advertising
Incorporating automation and AI technologies for targeted messaging
I joined inm because of the company's reputation for innovation and growth in the tech industry.
Attracted to company's reputation for innovation
Excited about opportunities for growth in tech industry
Impressed by company culture and values
Database architecture refers to the design and structure of a database system.
Database architecture includes the organization of data, storage, retrieval, and security mechanisms.
It involves defining the relationships between data elements and how they are stored and accessed.
Examples of database architectures include hierarchical, network, relational, and object-oriented.
Database architecture also includes the choice ...
Delete removes rows one by one, while truncate removes all rows at once.
Delete is a DML command, while truncate is a DDL command.
Delete can be rolled back, while truncate cannot be rolled back.
Delete fires triggers, while truncate does not fire triggers.
Delete is slower as it logs individual row deletions, while truncate is faster as it logs the deallocation of the data pages.
Example: DELETE FROM table_name WHERE condi
I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.
A database is a structured collection of data that is organized in a way that allows for easy access, management, and retrieval.
A database is used to store and organize large amounts of data.
It consists of tables, rows, and columns.
Examples of databases include MySQL, Oracle, and MongoDB.
posted on 17 Nov 2024
I applied via Approached by Company and was interviewed in May 2024. There were 2 interview rounds.
It was good interview everyone was friendly
Seeking new challenges and growth opportunities in a more dynamic environment.
Looking for new challenges and opportunities for growth
Interested in working in a more dynamic environment
Seeking to expand my skills and knowledge in a different setting
My expected CTC is negotiable based on the job responsibilities and market standards.
My expected CTC is based on my experience, skills, and the job requirements.
I am open to discussing the salary range during the interview process.
I am looking for a competitive salary package that aligns with industry standards.
I am flexible and willing to consider other benefits in addition to the salary.
I am impressed by the company's innovative technology solutions and strong reputation in the industry.
The company has a track record of developing cutting-edge technology solutions.
I admire the company's commitment to excellence and continuous improvement.
The company's reputation for providing top-notch training and development opportunities is appealing to me.
I expect a competitive salary based on my experience, skills, and the market rate for Oracle Database Administrators.
Research the average salary range for Oracle Database Administrators in your area
Consider your level of experience and skills when determining your salary expectations
Be prepared to negotiate based on the specific responsibilities and benefits offered by the employer
posted on 2 Apr 2024
I applied via Naukri.com and was interviewed in Nov 2022. There were 2 interview rounds.
based on 1 interview
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