Membulatkan dan Memotong angka

SQL Server Menengah

Ginger Grant

Instructor

Membulatkan angka di T-SQL

ROUND(number, length [,function])
SQL Server Menengah

Membulatkan angka di T-SQL

SELECT DurationSeconds, 
ROUND(DurationSeconds, 0) AS RoundToZero, 
ROUND(DurationSeconds, 1) AS RoundToOne
FROM Incidents
+--------------------+------------------+------------------+     
|DurationSeconds     |RoundToZero       |RoundToOne        |     
+--------------------+------------------+------------------+     
|121.6480            |122.0000          |121.6000          |
|170.3976            |170.0000          |170.4000          |
|336.0652            |336.0000          |336.1000          |
...
+--------------------+------------------+------------------+
SQL Server Menengah

Pembulatan di sisi kiri desimal

SELECT DurationSeconds, 
ROUND(DurationSeconds, -1) AS RoundToTen, 
ROUND(DurationSeconds, -2) AS RoundToHundred
FROM Incidents
+--------------------+------------------+------------------+     
|DurationSeconds     |RoundToTen        |RoundToHundred    |     
+--------------------+------------------+------------------+     
|121.6480            |120.0000          |100.0000          |
|170.3976            |170.0000          |200.0000          |
|336.0652            |340.0000          |300.0000          |
...
+--------------------+------------------+------------------+
SQL Server Menengah

Memotong angka

Truncate

17,85 $\rightarrow$ 17

Round

17,85 $\rightarrow$ 18

SQL Server Menengah

Memotong dengan ROUND()

Fungsi ROUND() dapat digunakan untuk memotong nilai saat Anda menentukan argumen ketiga

ROUND(number, length [,function])
  • Atur nilai ketiga ke angka bukan nol
SQL Server Menengah

Memotong di T-SQL

SELECT Profit, 
ROUND(DurationSeconds, 0) AS RoundingtoWhole, 
ROUND(DurationSeconds, 0, 1) AS Truncating 
FROM Incidents
+--------------------+------------------+------------------+    
|Profit              |RoundingtoWhole   |Truncating        |
+--------------------+------------------+------------------+  
|15.6100             |16.0000           |15.0000           |
|13.2444             |13.0000           |13.0000           |
|17.9260             |18.0000           |17.0000           |
...
+--------------------+------------------+------------------+  

Memotong hanya memangkas semua angka setelah digit yang ditentukan

SQL Server Menengah

Ayo berlatih!

SQL Server Menengah

Preparing Video For Download...