ROUND(price_net * 1.24, 2) as price_gross FROM product; This query returns the gross price rounded to two decimal places: idprice_gross 1 2.90 2 1.51 3 0.47 Discussion: If you’d like to round a floating-point number to a specific number of decimal places in SQL, use the ROUND() ...
In SQL Server there is a built-in function RAND() to generate random number. RAND() will return a random float value between 0 to 1. Usage RAND() As It Is If you use RAND() as it is or by seeding it, you will get random numbers in decimals ranging between 0 and 1. 1 2 3 ...
Every once in a while, I find myself needing to round a number up to the nearest even power of 10, or round a time interval to the nearest quarter of an hour, or something like that. This is actually quite simple, but for some reason I always find myself confused about how to do...
Doing running counts or running totals via a correlated subquery in the SELECT list is fairly straightforward in T-SQL, as I've shown in a number of columns, so let's start there. Take a look atListing 1andTable 1. Listing 1. Using a correlated subquery to generate sequence numbers. ...
SELECT@Random= ROUND(((@Upper -@Lower-1) * RAND() +@Lower), 0) SET@serialnumber= 'S-' + RIGHT(Year(getDate()),2) +RIGHT('O' + RTRIM(MONTH(GETDATE())),2) + RIGHT('0000' + LTRIM(STR(@Random)), 4) END This is then executed in the insert procedure - ...
As you know, hosts connected to the Internet are each assigned a unique 32-bit IP address, usually expressed in a dotted decimal notation of four 8-bit numbers, such as 127.0.1.25. DNS is distributed and hierarchical; its information is spread among thousands of servers all over the world....
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SQL, which stands forStructured Query Language, is a programming language that’s used to retrieve, update, delete, and otherwise manipulate data in relational databases. MySQL is officially pronounced “My ess-cue-el,” but “my sequel” is a common variation. As the name suggests, MySQL is...
The length of downtime is determined by whether the passive server is already running in 'hot' standby or whether it needs to start up from 'cold' standby. Only the active server handles traffic. Active-passive failover can also be referred to as master-slave failover. ...