50 SQL Interview Questions and Answers for 2024

The language is expressed in formulas to shape and clean data during data-loading. A follow-up shows your appreciation and continued interest in the position. When discussing your skills how to become a sql dba developer and experiences, provide specific examples. SQL Server Reporting Services (SSRS) is a reporting platform for creating, managing, and deploying interactive and printed reports.

The LIKE operator is used in a WHERE clause to search for a specified pattern in a column. There are two types of subquery – Correlated and Non-Correlated. A common customer complaint at the MyFlix Video Library is the low number of movie titles.

Q44. What do you mean by table and field in SQL?

In SQL, there is a built-in function called GetDate() which helps to return the current timestamp/date. Both Char and Varchar2 are used for characters datatype but varchar2 is used for character strings of variable length whereas Char is used for strings of fixed length. For example, char(10) can only store 10 characters and will not be able to store a string of any other length whereas varchar2(10) can store any length i.e 6,8,2 in this variable. If the SQL table has duplicate rows, the duplicate rows must be removed. When none of the WHEN conditions return true, the ELSE statement is executed. Change, extract, and edit the character string using character manipulation routines.

Mindmajix offers Advanced SQL Server DBA Interview Questions 2024 that helps you in cracking your interview & acquire a dream career as an SQL Server DBA Developer.

Q4. Which are the four main types of Database Console Commands?

The phase that identifies a plan for evaluation query which has the least estimated cost is known as query optimization. One-to-Many and Many-to-One – This is the most frequent connection, in which a record in one table is linked to several records in another. One-to-One – This is a connection between two tables in which each record in one table corresponds to the maximum of one record in the other. Let’s move to the next question in this SQL Interview Questions. Three, Azure SQL maintains three replicas as primary and secondary replicas.

Power Query is used for data extraction and transformation, while Power Pivot is used for data modeling. It lets you connect to multiple data sources and clean and transform data. Power Pivot allows you to create relationships between data and create calculated columns and measures. Demonstrate your fit by aligning your answers with the company’s values and culture. Research the company’s mission statement, social media profiles, and any recent news articles.