Interview Questions On Sql Server -Part 2
1. What is the difference between the Union and Union All?
1) Union is used to select distinct data from the...
2010-01-31
1,991 reads
1. What is the difference between the Union and Union All?
1) Union is used to select distinct data from the...
2010-01-31
1,991 reads
1. What are the Sql Joins?Sql Joins are the way to get data from many tables based on some logical...
2010-01-31
1,939 reads
1. What is the Normalization?Normalization:-Normalization can be defined as the process of organization the data to reduce the redundant table...
2010-01-31
2,179 reads
Views:- View can be described as virtual table which derived its data from one or more than one table columns.It...
2010-01-31
1,717 reads
Normalization :- Normalization can be defined as the process of organization the data to reduce the redundant table data to the...
2010-01-26
2,809 reads
First Normal Form (INF):- A table is said to be in a First Normal Form (1NF)if it satisfy the following...
2010-01-26
793 reads
Second Normal Form (2NF) :-A table is said to be in its Second Normal Form if it satisfied the following...
2010-01-26
3,652 reads
Third Normal Form (3NF) :- A table is said to be in the Third Normal form (3NF) if it satisfy the...
2010-01-26
2,241 reads
Indexes-Indexing is way to sort and search records in the table. It will improve the speed of locating and retrieval...
2010-01-03
783 reads
Indexes-Indexing is way to sort and search records in the table. It will improve the speed of locating and retrieval...
2010-01-03
943 reads
By Vinay Thakur
Continuing from Day 3 where we covered LLM models open/closed and their parameters, Today...
By Steve Jones
One of the nice things about Flyway Desktop is that it helps you manage...
By HeyMo0sh
Microsoft Fabric (not to be confused with the more general term “fabric” in DevOps)...
I'm fairly certain I know the answer to this from digging into it yesterday,...
Hi Team, I am trying to refresh the Azure Synapse Dedicated pool from production...
hi everyone I am not sure how to write the query that will produce...
I have some data in a table:
CREATE TABLE #test_data
(
id INT PRIMARY KEY,
name VARCHAR(100),
birth_date DATE
);
-- Step 2: Insert rows
INSERT INTO #test_data
VALUES
(1, 'Olivia', '2025-01-05'),
(2, 'Emma', '2025-03-02'),
(3, 'Liam', '2025-11-15'),
(4, 'Noah', '2025-12-22');
If I run this query, how many rows are returned?
SELECT *
FROM OPENJSON(
(
SELECT t.* FROM #test_data AS t FOR JSON PATH
)
) t; See possible answers