How do I get most recent date in PostgreSQL?

How do I get most recent date in PostgreSQL?

The PostgreSQL Select Most Recent Record by Date

1. In PostgreSQL, the SELECT statement is used to retrieve records from the database.
2. Let’s begin by creating a database and tables to use in our queries.
3. After creating the database, we’ll use the command \c followed by mydb to enter into the new database.

How do I retrieve latest records?

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 get the latest date record in SQL?

1 Answer

1. select t.username, t.date, t.value.
2. from MyTable t.
3. inner join (
4. select username, max(date) as MaxDate.
5. from MyTable.
6. group by username.
7. ) tm on t.username = tm.username and t.date = tm.MaxDate.

How do I get last one hour data in SQL?

Here is the SQL to get last 1 hour data in MySQL. In the above query, we select only those rows whose order_date falls within past 1 hour interval. We use INTERVAL clause to easily substract 1 hour interval from present time obtained using now() function.

How do I get last 30 days record in SQL?

SELECT * FROM product WHERE pdate >= DATEADD(day, -30, getdate()).

How do I get last 7 days record in SQL?

Here’s the SQL query to get records from last 7 days in MySQL. In the above query we select those records where order_date falls after a past interval of 7 days. We use system function now() to get the latest datetime value, and INTERVAL clause to calculate a date 7 days in the past.

How can I see last 10 records in SQL?

SELECT * FROM ( SELECT * FROM yourTableName ORDER BY id DESC LIMIT 10 )Var1 ORDER BY id ASC; Let us now implement the above query. mysql> SELECT * FROM ( -> SELECT * FROM Last10RecordsDemo ORDER BY id DESC LIMIT 10 -> )Var1 -> -> ORDER BY id ASC; The following is the output that displays the last 10 records.

How to select most recent record by date in PostgreSQL?

If you want to follow along with these examples, you’ll need to have the following prerequisites in place: Make sure you have PostgreSQL installed on your computer so you can test out the examples using SQL to select most recent record by date. You need to have at least some basic knowledge of PostgreSQL.

How to get the previous date in SQL Server?

You can use the lag function to get the value of the previous row’s effdate. This is a different way to do it using row_number function if you are using a SQL Server version older than 2012.

How to get the most recent status in SQL?

The derived table would work, but if this is SQL 2005, a CTE and ROW_NUMBER might be cleaner: This would also facilitate the display of the most recent x statuses from each user. Add an auto incrementing Primary Key to each record, for example, UserStatusId.

How to create SQL query to retrieve most recent records?

Aggregate in a subquery derived table and then join to it. another way, this will scan the table only once instead of twice if you use a subquery The derived table would work, but if this is SQL 2005, a CTE and ROW_NUMBER might be cleaner: This would also facilitate the display of the most recent x statuses from each user.