How can I get recent data in MySql?
To get the last record, the following is the query. mysql> select *from getLastRecord ORDER BY id DESC LIMIT 1; The following is the output.
How do I get last 10 records from a table 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 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 do you find the nth record in SQL?
ROW_NUMBER (Window Function)
ROW_NUMBER (Window Function) is a standard way of selecting the nth row of a table. It is supported by all the major databases like MySQL, SQL Server, Oracle, PostgreSQL, SQLite, etc.
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);
What is offset in SQL query?
SQL | OFFSET-FETCH Clause
- OFFSET.
- The OFFSET argument is used to identify the starting point to return rows from a result set. Basically, it exclude the first set of records. Note:
- FETCH.
- The FETCH argument is used to return a set of number of rows. FETCH can’t be used itself, it is used in conjuction with OFFSET. Syntax:
How do I find top 10 records in SQL?
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 *
Which is an SQL * Plus command?
SQL*Plus is a command-line tool that provides access to the Oracle RDBMS. SQL*Plus enables you to: Enter SQL*Plus commands to configure the SQL*Plus environment. Startup and shutdown an Oracle database.
How do you find the employee with second maximum salary using SQL query?
We can nest the above query to find the second largest salary. select *from employee group by salary order by salary desc limit 1,1; There are other ways : SELECT name, MAX(salary) AS salary FROM employee WHERE salary IN (SELECT salary FROM employee MINUS SELECT MAX(salary) FROM employee);
How do I use Rownum in SQL?
You can use ROWNUM to limit the number of rows returned by a query, as in this example: SELECT * FROM employees WHERE ROWNUM < 10; If an ORDER BY clause follows ROWNUM in the same query, then the rows will be reordered by the ORDER BY clause. The results can vary depending on the way the rows are accessed.
How do you do ascending order in SQL?
The ORDER BY statement in SQL is used to sort the fetched data in either ascending or descending according to one or more columns.
- By default ORDER BY sorts the data in ascending order.
- We can use the keyword DESC to sort the data in descending order and the keyword ASC to sort in ascending order.
How do you subquery in SQL?
SQL – Sub Queries
- Subqueries must be enclosed within parentheses.
- A subquery can have only one column in the SELECT clause, unless multiple columns are in the main query for the subquery to compare its selected columns.
- An ORDER BY command cannot be used in a subquery, although the main query can use an ORDER BY.