How to remove duplicates with SQL?
Using GROUP BY with aggregate functions The GROUP BY clause, combined with other aggregate functions like MAX() , MIN() , or COUNT() , can help remove duplicate records from tables. The GROUP BY clause helps select specific records to retain while deleting other duplicates.
How do you get the year of a date in SQL?
The YEAR() function returns the year part for a specified date.
How to put thousand separator in SQL?
Format Number with Thousands Separator in SQL Server: using Format() The FORMAT() function formats the given value on the basis of the format strings. So you can use this function to format the number with a thousand separator, and this thousand separator is represented as a comma (,).
How to handle Unicode characters in SQL?
You can import Unicode character format data into a table using bcp, BULK INSERT, or OPENROWSET. For a bcp command or BULK INSERT statement, you can specify the data format in the statement. For an OPENROWSET statement, you must specify the data format in a format file. Uses the Unicode character format.
Робота з датою та часом у SQL може бути дещо складною, оскільки формати дати різняться. Наприклад, у США використовується формат дати ММ-ДД-РРРР , тоді як у …
In this session we will learn how to add date element into the SQL tables.