в 13:46, 26 мая 2010

2010-05-26T13:46:06Z

Admin: 1 версия

2010-05-26T10:20:34Z

1 версия

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==SELECT @@ROWCOUNT==



<source lang="sql">

3> CREATE TABLE publishers(
4> pub_id char(4) NOT NULL,
5> pub_name varchar(40) NULL,
6> city varchar(20) NULL,
7> state char(2) NULL,
8> country varchar(30) NULL DEFAULT("USA")
9> )
10> GO
1>
2>
3> insert publishers values("1", "Publisher A", "Vancouver", "MA", "USA")
4> insert publishers values("2", "Publisher B", "Washington", "DC", "USA")
5> insert publishers values("3", "Publisher C", "Berkeley", "CA", "USA")
6> insert publishers values("4", "Publisher D", "New York", "NY", "USA")
7> insert publishers values("5", "Publisher E", "Chicago", "IL", "USA")
8> insert publishers values("6", "Publisher F", "Dallas", "TX", "USA")
9> insert publishers values("7", "Publisher G", "Vancouver", "BC", "Canada")
10> insert publishers values("8", "Publisher H", "Paris", NULL, "France")
11> GO
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
1>
2>
3> SELECT * FROM publishers
4> SELECT @@ROWCOUNT
5> SELECT @@ROWCOUNT
6> GO
pub_id pub_name city state country
------ ---------------------------------------- -------------------- ----- ------------------------------
1 Publisher A Vancouver MA USA
2 Publisher B Washington DC USA
3 Publisher C Berkeley CA USA
4 Publisher D New York NY USA
5 Publisher E Chicago IL USA
6 Publisher F Dallas TX USA
7 Publisher G Vancouver BC Canada
8 Publisher H Paris NULL France
(8 rows affected)
-----------
8
(1 rows affected)
-----------
1
(1 rows affected)
1>
2> drop table publishers;
3> GO
</source>

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SQL Server/T-SQL/System/ROWCOUNT - История изменений

в 13:46, 26 мая 2010

Admin: 1 версия