ScaleReal Technologies Database Admin Interview Questions and Answers

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.

Startup parameters are used to configure the behavior of SQL Server when it starts up.

• Startup parameters are set in the SQL Server Configuration Manager or by using the SQL Server command prompt.

• Common startup parameters include -d for specifying the location of the master database files, -m for starting SQL Server in single-user mode, and -T for enabling trace flags.

• Startup parameters can also be configured in the Win...read more

HAS (High Availability Services) in RAC systems provides automatic failover and load balancing for improved system reliability.

• HAS monitors the health of each node in the RAC cluster

• It automatically relocates services to healthy nodes in case of node failure

• It ensures high availability and scalability for the RAC system

• Examples: Oracle Clusterware, Oracle Grid Infrastructure

A database is a structured collection of data. SQL is a language used to manage and manipulate databases.

• A database is a software system that stores and organizes data.

• It allows users to create, read, update, and delete data.

• SQL (Structured Query Language) is a programming language used to communicate with and manage databases.

• There are different types of databases such as relational databases, object-oriented database...read more

SQL command of which database?

• Specify the name of the database you want the SQL command for

• Provide the specific query you want to execute

• Ensure that the syntax is correct and the query is optimized

• Examples: SELECT * FROM table_name; INSERT INTO table_name (column1, column2) VALUES (value1, value2);