How do I select a single record in SQL Server?

How do I select a single record in SQL Server?

While the table name is selected type CTRL + 3 and you will notice that the query will run and will return a single row as a resultset. Now developer just has to select the table name and click on CTRL + 3 or your preferred shortcut key and you will be able to see a single row from your table.

How do you select all records that are 10 minutes within a timestamp in SQL?

SELECT col1, col2, col3 FROM table WHERE DATE_ADD(last_seen, INTERVAL 10 MINUTE) >= NOW(); This adds 10 minutes to last_seen and compares that against the current time. If the value is greater, last_seen is less than ten minutes ago.

How to get MINUTE from timestamp in sql?

SELECT EXTRACT(HOUR FROM SYSTIMESTAMP) AS CURRENT_HOUR FROM DUAL; SELECT EXTRACT(MINUTE FROM SYSTIMESTAMP) AS CURRENT_MINUTE FROM DUAL; To extract the HOUR and MINUTE parts from a DATE column. Oracle offers the TO_CHAR(date, ‘HH24′) and TO_CHAR(date,’MI’) functions.

How to get MINUTE in MySQL?

The MySQL MINUTE() function is used for return the minute part of a datetime value. It can be between 0 to 59. When the datetime is passed in MINUTE() function then it will return the minute value .

How do I get one record from multiple records in SQL?

To implement the quotient in SQL you have to do 4 steps:

1. Create the Cartesian Product of your ancestry set and the set of all user_ids.
2. Find all records in the Cartesian Product which have no partner in the original set (Left Join)
3. Extract the user_ids from the resultset of 2)

What is Interval SQL?

MySQL interval is an operator, which is based on the binary search algorithm to search the items and returns the value from 0 to N. It is mainly used to calculate the date and time values. We can use the following syntax to create an interval value: INTERVAL expr unit.

How do you find seconds in SQL?

The time string can be directly assigned to a datetime variable as 1900-01-01 20:10:10:

1. DECLARE @time datetime = ’20:10:10′
2. select total_seconds =DATEDIFF(second,0,@time)
3. select total_seconds =DATEDIFF(second,0,’20:10:10′)

What is Unix_timestamp in MySQL?

UNIX_TIMESTAMP() : This function in MySQL helps to return a Unix timestamp. We can define a Unix timestamp as the number of seconds that have passed since ‘1970-01-01 00:00:00’UTC. Even if you pass the current date/time or another specified date/time, the function will return a Unix timestamp based on that.

How can I get only 10 records in MySQL?

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.