How do I get the first row in SQL?
4 Ways to Join Only The First Row in SQL
- Use Correlated Subqueries when the foreign key is indexed.
- Use a Complete Subquery when you don’t have indexes.
- Use Nested Subqueries if you have an ordered ID column.
- Use Nested Subqueries if you have an ordered ID column.
- Use Window Functions if you need more control.
How do you return a row in SQL?
In SQL Server, you can use T-SQL’s COUNT() function to return the number of rows that would be returned in a query.
- The Data. …
- Example – Count All Rows in a Table. …
- Example – Adding Criteria. …
- Example – Specify a Single Column. …
- Example – Distinct. …
- Example – The HAVING Clause. …
- The COUNT_BIG() Function.
How do I select top 5 rows in SQL?
SQL SELECT TOP Clause
- SQL 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 I select 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 return a SQL query?
The RETURN statement is used to unconditionally and immediately terminate an SQL procedure by returning the flow of control to the caller of the stored procedure. It is mandatory that when the RETURN statement is executed that it return an integer value.
How do I SELECT the last row in SQL?
16 Answers
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 the 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 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.
How do I select the number of rows in SQL?
SQL TOP, LIMIT, FETCH FIRST or ROWNUM Clause
- SQL Server / MS Access Syntax: SELECT TOP number|percent column_name(s) FROM table_name. …
- MySQL Syntax: SELECT column_name(s) FROM table_name. …
- Oracle 12 Syntax: SELECT column_name(s) …
- Older Oracle Syntax: SELECT column_name(s) …
- Older Oracle Syntax (with ORDER BY): SELECT *
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.