## What is Eomonth SQL?

SQL EOMONTH() function is a date function, **it returns the last day of the month of a specified date, with an optional offset**. SYNTAX EOMONTH (Date, [,offset]) Date is a date that is used to get a last day of month. Second argument offset is an integer that specifies the number of months to add to the date .

## How do I get quarterly data in SQL?

1 Answer. This works by working out the (whole number) number of quarters that have occurred since 1900-01-01 ^{1}, and then by **adding that same number of quarters on to 1900-01-01** . This has the effect of rounding each date down to the 1st day in each quarter. 0 when converted to a datetime is treated as 1900-01-01 .

## How do you calculate salary in SQL?

For example, the SQL statement below returns the **average salary of unique salary values** where the salary is above $25,000 / year. SELECT AVG(DISTINCT salary) AS “Avg Salary” FROM employees WHERE salary > 25000; If there were two salaries of $30,000/year, only one of these values would be used in the AVG function.

## How do I get the first day of every month in SQL?

**You can provide other date like this.**

- DECLARE @myDate DATETIME = ’02/15/2020′; — its mm/dd/yyyy format. …
- SELECT DATEADD(DD,-(DAY(GETDATE() -1)), GETDATE()) AS FirstDate SELECT DATEADD(DD,-(DAY(GETDATE())), DATEADD(MM, 1, GETDATE())) AS LastDate.

## How do I get the first day of the last month in SQL?

**SQL Tricks**

- Months. SELECT DATEADD(MONTH, DATEDIFF(MONTH, 0, GETDATE()) – 1, 0) — First day of previous month. …
- Quarters. SELECT DATEADD(QUARTER, DATEDIFF(QUARTER, 0, GETDATE()) -1, 0) — First day of previous quarter. …
- Years. …
- Half Years. …
- Other.

## How does between work in SQL?

The **SQL BETWEEN** condition allows you to easily test if an expression is within a range of values (inclusive). The values **can** be text, date, or numbers. It **can** be used in a SELECT, INSERT, UPDATE, or DELETE statement.

## How do you concatenate in SQL?

**SQL Server CONCAT() Function**

- Add two strings together: SELECT CONCAT(‘W3Schools’, ‘.com’);
- Add 3 strings together: SELECT CONCAT(‘SQL’, ‘ is’, ‘ fun!’ );
- Add strings together (separate each string with a space character): SELECT CONCAT(‘SQL’, ‘ ‘, ‘is’, ‘ ‘, ‘fun!’ );

## What is Datepart MySQL?

**There is no DATEPART function in MySQL**. Use MONTH(date_column) or EXTRACT(MONTH FROM date_column) instead.

## Where date is current month SQL?

We can retrieve the current month value in SQL using **the MONTH() and DATEPART() functions along with the GETDATE() function**. To retrieve the name of the month functions in SQL such as DATENAME() and FORMAT() are used.

## How do I get the latest datetime in SQL?

**1 Answer**

- select t.username, t.date, t.value.
- from MyTable t.
- inner join (
- select username, max(date) as MaxDate.
- from MyTable.
- group by username.
- ) tm on t.username = tm.username and t.date = tm.MaxDate.

## How can I get top 3 salary in SQL?

**To Find the Third Highest Salary Using a Sub-Query,**

- SELECT TOP 1 SALARY.
- FROM (
- SELECT DISTINCT TOP 3 SALARY.
- FROM tbl_Employees.
- ORDER BY SALARY DESC.
- ) RESULT.
- ORDER BY SALARY.

## Is there a mode in SQL?

Mode of a data set is **the value that appears most frequently in a series of data**. Example: Input: 1, 2, 2, 3, 4, 4, 4, 5, 5, 6 Output: 4 Explanation: 2 occurs 2 times, 5 occurs 2 times 4 occurs 3 times and rest other occurs 1 time So, 4 occurs most frequently and is thus the output.