Group by.....Having Clause
Group By:- Group By clauses is used to groups rows based on the distinct values of the specified columns.
The syntax...
2010-01-31
2,551 reads
Vivek's SQL Notes
Difference Between Having and Where Clause in Sql Server
Both Having Clause and Where clause is used to filter the data coming from the Select statement, but still there...
2010-01-31
11,961 reads
How to find duplicate values in a table
Sometimes duplicate values in tables can create a major problem when we do not make a primary key or a...
2010-01-31
4,042 reads
Sql Server View
Views:- View can be described as virtual table which derived its data from one or more than one table columns.It...
2010-01-31
1,726 reads
Second Normal Form (2NF)
Second Normal Form (2NF) :-A table is said to be in its Second Normal Form if it satisfied the following...
2010-01-26
3,663 reads
Third Normal Form (3NF)
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
First Normal form (INF)
First Normal Form (INF):- A table is said to be in a First Normal Form (1NF)if it satisfy the following...
2010-01-26
794 reads
Database Normalization
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
Indexes in Sql server
Indexes-Indexing is way to sort and search records in the table. It will improve the speed of locating and retrieval...
2010-01-03
951 reads
Difference between Clustered Index and Non clustered Index
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
Blogs
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Question of the Day
Detecting Characters
I have a SQL Server 2022 English default installation on a server. I want to detect if there are any upper case characters in rows and I have this code:
SELECT CustomerNameID,
CustomerName
FROM dbo.CustomerName
WHERE CustomerName = LOWER(CustomerName)
Here is the sample data I am testing with:
CustomerNameID CustomerName 1 John Smith 2 Sarah Johnson 3 MICHAEL WILLIAMS 4 JENNIFER BROWN 5 david jones 6 emily davis 7 Robert Miller 8 LISA WILSON 9 christopher moore 10 Amanda TaylorHow many rows are returned? See possible answers