How do I select the top 1 record in SQL Server?
The 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.
- Oracle 12 Syntax: SELECT column_name(s) FROM table_name.
- Older Oracle Syntax: SELECT column_name(s)
- Older Oracle Syntax (with ORDER BY): SELECT *
Can we use top with GROUP BY clause?
A Top N query is one that fetches the top records, ordered by some value, in descending order. Typically, these are accomplished using the TOP or LIMIT clause. The GROUP BY clause can help with that, but it is limited to the single top result for each group.
What is the difference between top 1 and top 1 1 in SQL query?
If there is no manager, the request returns NULL. SELECT TOP 1 1 will select exactly 0 or 1 1 s. SELECT 1 will select 1 exactly N rows, where N is the number of rows that match your criteria.
What does SELECT 1 do in SQL?
The statement ‘select 1’ from any table name means that it returns only 1. For example, If any table has 4 records then it will return 1 four times.
How do you SELECT the top 5 values 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 does select top work?
The SELECT TOP clause allows you to limit the number of rows or percentage of rows returned in a query result set. Because the order of rows stored in a table is unspecified, the SELECT TOP statement is always used in conjunction with the ORDER BY clause.
What is the difference between select * and select 1?
Hi, Difference between Select * and Select 1: Select * means it selects all the columns in that table as well as total number of rows exist in that table. Where as Select 1 means “1” is treated as a new column with data 1 for that column and as many rows exist for that table.
What does select 1 mean?