- How do I have multiple rows in one row in SQL?
- How do you join in SQL?
- How do I get last 10 rows in SQL?
- How do I get the first 10 rows in SQL?
- How do I get the last row in SQL?
- How do I select top 1000 rows in SQL?
- How do I get the last 5 rows of a SQL table?
- How do I select the last 3 rows in SQL?
- How do I select top 10 rows in SQL?
- How do I count the number of rows in SQL?
- How do I find the first 5 maximum salary in SQL?
- How do I select top 5 rows in SQL?
- How do you delete duplicate rows in SQL?
- How do I print odd rows in SQL?
- How do I select specific rows in SQL?
- What is offset in SQL query?
- How can I get top 3 salary in SQL?
- How do you find the maximum salary in each department?

## How do I have multiple rows in one row in SQL?

Here is the example.Create a database.Create 2 tables as in the following.Execute this SQL Query to get the student courseIds separated by a comma.

USE StudentCourseDB.

SELECT StudentID, CourseIDs=STUFF.

( ( SELECT DISTINCT ‘, ‘ + CAST(CourseID AS VARCHAR(MAX)) FROM StudentCourses t2.

WHERE t2.StudentID = t1.StudentID..

## How do you join in SQL?

(INNER) JOIN: Returns records that have matching values in both tables. LEFT (OUTER) JOIN: Returns all records from the left table, and the matched records from the right table. RIGHT (OUTER) JOIN: Returns all records from the right table, and the matched records from the left table.

## How do I get last 10 rows in SQL?

The following is the syntax to get the last 10 records from the table. Here, we have used LIMIT clause. SELECT * FROM ( SELECT * FROM yourTableName ORDER BY id DESC LIMIT 10 )Var1 ORDER BY id ASC; Let us now implement the above query.

## How do I get the first 10 rows in SQL?

The ANSI SQL answer is FETCH FIRST . If you want ties to be included, do FETCH FIRST 10 ROWS WITH TIES instead. To skip a specified number of rows, use OFFSET , e.g. Will skip the first 20 rows, and then fetch 10 rows.

## How do I get the last row in SQL?

to get the last row of a SQL-Database use this sql string: SELECT * FROM TableName WHERE id=(SELECT max(id) FROM TableName); Output: Last Line of your db!

## How do I select top 1000 rows in SQL?

In order to SELECT or EDIT all tables open SSMS, under Tools, click Options as shown in tha image below: Then expand SQL Server Object Explorer, and select Command: Then change those 200 and 1000 values to 0 for both options.

## How do I get the last 5 rows of a SQL table?

You need to count number of rows inside table ( say we have 12 rows )then subtract 5 rows from them ( we are now in 7 )select * where index_column > 7 select * from users where user_id > ( (select COUNT(*) from users) – 5) you can order them ASC or DESC.

## How do I select the last 3 rows in SQL?

SELECT * FROM (select * from suppliers ORDER BY supplier_name DESC) suppliers2 WHERE rownum <= 3 ORDER BY rownum DESC; Notice that although you want the last 3 records sorted by supplier_name in ascending order, you actually sort the supplier_name in descending order in this solution.

## How do I select top 10 rows in SQL?

The SQL SELECT TOP ClauseSQL Server / MS Access Syntax: SELECT TOP number|percent column_name(s) FROM table_name. WHERE condition;MySQL Syntax: SELECT column_name(s) FROM table_name. WHERE condition. LIMIT number;Oracle Syntax: SELECT column_name(s) FROM table_name. WHERE ROWNUM <= number;

## How do I count the number of rows in SQL?

SQL COUNT(), AVG() and SUM() Functions The COUNT() function returns the number of rows that matches a specified criterion. The AVG() function returns the average value of a numeric column. The SUM() function returns the total sum of a numeric column.

## How do I find the first 5 maximum salary in SQL?

Say Employe table contains emp_id, salary, rank, dept_id as columns and has some data in it.To get max salary from Employee table. SELECT MAX(salary) FROM employee;To get max salary from Employee table with respect to dept. … To get top 5 salary. … To get top 5 salary with respect to dept. … To get 2nd max salary.

## How do I select top 5 rows in SQL?

SQL SELECT TOP ClauseSQL Server / MS Access Syntax. SELECT TOP number|percent column_name(s) FROM table_name;MySQL Syntax. SELECT column_name(s) FROM table_name. LIMIT number;Example. SELECT * FROM Persons. LIMIT 5;Oracle Syntax. SELECT column_name(s) FROM table_name. WHERE ROWNUM <= number;Example. SELECT * FROM Persons.

## How do you delete duplicate rows in SQL?

Delete Duplicates From a Table in SQL ServerFind duplicate rows using GROUP BY clause or ROW_NUMBER() function.Use DELETE statement to remove the duplicate rows.

## How do I print odd rows in SQL?

Selecting ODD or EVEN rows from a tableWrite a subquery with an ORDER BY clause. Along with the data columns, select the pseudocolumn rownum with an alias, say rn.In the outer query, reference the alias rn and use the mod function to get odd rows or even rows.

## How do I select specific rows in SQL?

To select rows using selection symbols for character or graphic data, use the LIKE keyword in a WHERE clause, and the underscore and percent sign as selection symbols. You can create multiple row conditions, and use the AND, OR, or IN keywords to connect the conditions.

## What is offset in SQL query?

The OFFSET and FETCH clauses are the options of the ORDER BY clause. They allow you to limit the number of rows to be returned by a query. In this syntax: The OFFSET clause specifies the number of rows to skip before starting to return rows from the query.

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

Query : select * from( select ename, sal, dense_rank() over(order by sal desc)r from Employee) where r=&n; To find to the 2nd highest sal set n = 2 To find 3rd highest sal set n = 3 and so on.

## How do you find the maximum salary in each department?

You can use : SELECT DepatID, a , b, c FROM EmpDetails WHERE Salary IN ( SELECT max(Salary) FROM EmpDetails GROUP BY DeptID ); if you will use the previous query it will only reflects the records of the min val except the salary as you have used the max function.