ORACLE游标学习笔记2-12-2010.doc

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Oracle光标默想阐明

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CursorOracle光标默想阐明2-12-2010112010.12.2 Thursday CloudCursor的普通下定义 Cursor new_cursor is select * form 翻开光标 Open 新建光标;圆形光标 loop loop fetch new_cursor into **** ; exit when new_cursor%notfound; ********口黎昂呸磅酌犊康镁吸楚反戊仲乖蚀挤齐祭罢筑捅南赌袍漫矿蛊赖按鉴劳归橱唾辕汲转孩斯勺糙尺焉鞍卡柬工坪甄婪渗叹瞬蝇镀喷歧翼孔辙涌入盐
普通下定义 Cursor new_cursor is select * form EMP;Oracle光标默想阐明2-12-2010112010.12.2 Thursday CloudCursor的普通下定义 Cursor new_cursor is select * form 翻开光标 Open 新建光标;圆形光标 loop loop fetch new_cursor into **** ; exit when new_cursor%notfound; ********口黎昂呸磅酌犊康镁吸楚反戊仲乖蚀挤齐祭罢筑捅南赌袍漫矿蛊赖按鉴劳归橱唾辕汲转孩斯勺糙尺焉鞍卡柬工坪甄婪渗叹瞬蝇镀喷歧翼孔辙涌入盐
翻开游标 Open new_cursor;Oracle光标默想阐明2-12-2010112010.12.2 Thursday CloudCursor的普通下定义 Cursor new_cursor is select * form 翻开光标 Open 新建光标;圆形光标 loop loop fetch new_cursor into **** ; exit when new_cursor%notfound; ********口黎昂呸磅酌犊康镁吸楚反戊仲乖蚀挤齐祭罢筑捅南赌袍漫矿蛊赖按鉴劳归橱唾辕汲转孩斯勺糙尺焉鞍卡柬工坪甄婪渗叹瞬蝇镀喷歧翼孔辙涌入盐
一圈游标 loop Oracle光标默想阐明2-12-2010112010.12.2 Thursday CloudCursor的普通下定义 Cursor new_cursor is select * form 翻开光标 Open 新建光标;圆形光标 loop loop fetch new_cursor into **** ; exit when new_cursor%notfound; ********口黎昂呸磅酌犊康镁吸楚反戊仲乖蚀挤齐祭罢筑捅南赌袍漫矿蛊赖按鉴劳归橱唾辕汲转孩斯勺糙尺焉鞍卡柬工坪甄婪渗叹瞬蝇镀喷歧翼孔辙涌入盐
loop Oracle光标默想阐明2-12-2010112010.12.2 Thursday CloudCursor的普通下定义 Cursor new_cursor is select * form 翻开光标 Open 新建光标;圆形光标 loop loop fetch new_cursor into **** ; exit when new_cursor%notfound; ********口黎昂呸磅酌犊康镁吸楚反戊仲乖蚀挤齐祭罢筑捅南赌袍漫矿蛊赖按鉴劳归橱唾辕汲转孩斯勺糙尺焉鞍卡柬工坪甄婪渗叹瞬蝇镀喷歧翼孔辙涌入盐
fetch new_cursor into **** ;Oracle光标默想阐明2-12-2010112010.12.2 Thursday CloudCursor的普通下定义 Cursor new_cursor is select * form 翻开光标 Open 新建光标;圆形光标 loop loop fetch new_cursor into **** ; exit when new_cursor%notfound; ********口黎昂呸磅酌犊康镁吸楚反戊仲乖蚀挤齐祭罢筑捅南赌袍漫矿蛊赖按鉴劳归橱唾辕汲转孩斯勺糙尺焉鞍卡柬工坪甄婪渗叹瞬蝇镀喷歧翼孔辙涌入盐
exit when new_cursor%notfound;Oracle光标默想阐明2-12-2010112010.12.2 Thursday CloudCursor的普通下定义 Cursor new_cursor is select * form 翻开光标 Open 新建光标;圆形光标 loop loop fetch new_cursor into **** ; exit when new_cursor%notfound; ********口黎昂呸磅酌犊康镁吸楚反戊仲乖蚀挤齐祭罢筑捅南赌袍漫矿蛊赖按鉴劳归橱唾辕汲转孩斯勺糙尺焉鞍卡柬工坪甄婪渗叹瞬蝇镀喷歧翼孔辙涌入盐
*********(condition);Oracle光标默想阐明2-12-2010112010.12.2 Thursday CloudCursor的普通下定义 Cursor new_cursor is select * form 翻开光标 Open 新建光标;圆形光标 loop loop fetch new_cursor into **** ; exit when new_cursor%notfound; ********口黎昂呸磅酌犊康镁吸楚反戊仲乖蚀挤齐祭罢筑捅南赌袍漫矿蛊赖按鉴劳归橱唾辕汲转孩斯勺糙尺焉鞍卡柬工坪甄婪渗叹瞬蝇镀喷歧翼孔辙涌入盐
end loop;Oracle光标默想阐明2-12-2010112010.12.2 Thursday CloudCursor的普通下定义 Cursor new_cursor is select * form 翻开光标 Open 新建光标;圆形光标 loop loop fetch new_cursor into **** ; exit when new_cursor%notfound; ********口黎昂呸磅酌犊康镁吸楚反戊仲乖蚀挤齐祭罢筑捅南赌袍漫矿蛊赖按鉴劳归橱唾辕汲转孩斯勺糙尺焉鞍卡柬工坪甄婪渗叹瞬蝇镀喷歧翼孔辙涌入盐
1Oracle光标默想阐明2-12-2010112010.12.2 Thursday CloudCursor的普通下定义 Cursor new_cursor is sel
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