Insert 100 rows of data: RAND : while « Transact SQL « SQL Server / T-SQL Tutorial

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SQL Server / T-SQL Tutorial » Transact SQL » while 




5CREATE TABLE random_data
6(
7> col1        int PRIMARY KEY,
8> col2        int,
9> col3        char(15)
10)
11> GO
1>
2> DECLARE @counter int, @col2 int, @col3 char(15)
3
4
5SELECT @counter=0, @col2=RAND(@@spid + cpu + physical_io)
6FROM master..sysprocesses where spid=@@spid
7>
8> WHILE (@counter < 1000)
9>     BEGIN
10>     SELECT @counter=@counter + 10,   
11>     @col2=
12>         CASE        
13>             WHEN CONVERT(int, RAND() 10001
14>             THEN (CONVERT(int, RAND() 10000010000 * -1)
15>             ELSE CONVERT(int, RAND() 10000010000
16>         END,
17>     @col3=       
18>         CHAR((CONVERT(int, RAND() 100026 65-- 65 is 'A'
19>             + CHAR((CONVERT(int, RAND() 100026 65)
20>             + CHAR((CONVERT(int, RAND() 100026 65)
21>             + CHAR((CONVERT(int, RAND() 100026 65)
22>             + REPLICATE(CHAR((CONVERT(int, RAND() 100026 )
23>             + 65)11)
24>
25>     INSERT random_data VALUES (@counter, @col2, @col3)
26>     END
27> GO
1>
2> drop table random_data;
3> GO














20.8.while
20.8.1.How to perform repetitive processing
20.8.2.WHILE @@FETCH_STATUS = 0
20.8.3.This procedure inserts rows by using while loop
20.8.4.Insert 100 rows of data: RAND
20.8.5.While with counter
20.8.6.Use while loop to insert data
20.8.7.While loop controlled by an aggregate function
20.8.8.WHILE with AND operator
20.8.9.A script that tests and adjusts credit amounts with a WHILE loop
20.8.10.Using a Subquery with a Single-Statement WHILE Loop
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