From e8c337cef0336270f32a75766111f29ef388778c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=BB=84=E6=9F=B1=E8=8F=98?= <2365839121@qq.com>
Date: Fri, 7 Oct 2022 05:33:32 +0000
Subject: [PATCH] =?UTF-8?q?35=20=E9=BB=84=E6=9F=B1=E8=8F=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: 黄柱菘 <2365839121@qq.com>
---
 .../2022-9-30 \346\270\270\346\240\207.sql"   | 56 +++++++++++++++++++
 ...\256\260--\346\270\270\346\240\207.md.url" |  2 +
 2 files changed, 58 insertions(+)
 create mode 100644 "35\351\273\204\346\237\261\350\217\230/\351\273\204\346\237\261\350\217\23035/2022-9-30 \346\270\270\346\240\207.sql"
 create mode 100644 "35\351\273\204\346\237\261\350\217\230/\351\273\204\346\237\261\350\217\23035/2022.9.30\347\254\224\350\256\260--\346\270\270\346\240\207.md.url"

diff --git "a/35\351\273\204\346\237\261\350\217\230/\351\273\204\346\237\261\350\217\23035/2022-9-30 \346\270\270\346\240\207.sql" "b/35\351\273\204\346\237\261\350\217\230/\351\273\204\346\237\261\350\217\23035/2022-9-30 \346\270\270\346\240\207.sql"
new file mode 100644
index 0000000..b717b8d
--- /dev/null
+++ "b/35\351\273\204\346\237\261\350\217\230/\351\273\204\346\237\261\350\217\23035/2022-9-30 \346\270\270\346\240\207.sql"	
@@ -0,0 +1,56 @@
+--��3��ʹ���α�ʵ�ּ�н����
+--�����α�
+declare cur_id cursor scroll for select PeopleId from People
+--���α�
+open cur_id
+--��ȡ����
+declare @id int, @money money = 1000
+fetch first from cur_id into @id
+while (@@fetch_status = 0)
+	begin
+		update People set PeopleSalary += @money where PeopleId = @id
+		fetch next from cur_id into @id
+	end
+--�ر��α�
+close cur_id
+select * from People
+go
+
+--��4:ʹ���α�ɾ�������Ա��
+select * from People
+--����
+declare cur_id cursor scroll for select PeopleId,PeopleSalary from People
+--��
+open cur_id
+--��ȡ
+declare @id int, @money money
+fetch first from cur_id into @id,@money
+while(@@FETCH_STATUS = 0)
+	begin
+		if(@money < 10000)
+		begin
+			delete People where PeopleId = @id
+			fetch next from cur_id into @id,@money
+		end
+		else
+			fetch next from cur_id into @id,@money
+	end
+close cur_id
+select * from People
+go
+--ʹ���α� ʵ��:���A����B����ID�ֶ�ֵ��ͬ����ô��B���е�ʡ�ݣ����� �޸ij���A���еij���һ�£�������
+
+declare cur_id cursor scroll for select A.* from A inner join B on A.id = B.id
+deallocate cur_id
+open cur_id
+declare @id int , @id1 int,@Province varchar(10),@City varchar(10)
+fetch first from cur_id into @id,@Province,@City
+while(@@FETCH_STATUS = 0)
+	begin
+			update B set B.Province = @Province , B.City = @City where B.id = @id
+			fetch next from cur_id into @id,@Province,@City
+	end
+		
+close cur_id
+select * from A
+select * from B
\ No newline at end of file
diff --git "a/35\351\273\204\346\237\261\350\217\230/\351\273\204\346\237\261\350\217\23035/2022.9.30\347\254\224\350\256\260--\346\270\270\346\240\207.md.url" "b/35\351\273\204\346\237\261\350\217\230/\351\273\204\346\237\261\350\217\23035/2022.9.30\347\254\224\350\256\260--\346\270\270\346\240\207.md.url"
new file mode 100644
index 0000000..fc6309f
--- /dev/null
+++ "b/35\351\273\204\346\237\261\350\217\230/\351\273\204\346\237\261\350\217\23035/2022.9.30\347\254\224\350\256\260--\346\270\270\346\240\207.md.url"
@@ -0,0 +1,2 @@
+[InternetShortcut]
+URL=https://gitee.com/level-21-software-class-4/advanced-sql/blob/master/38%E5%BC%A0%E5%85%88%E6%9D%B0/%E7%AC%94%E8%AE%B0/2022.9.30%E7%AC%94%E8%AE%B0--%E6%B8%B8%E6%A0%87.md
-- 
Gitee