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 
20. 8. 4. Insert 100 rows of data: RAND
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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