From 5eb3a129bbf789abfa0cba9637e565514a511537 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E2=80=98=E6=9D=8E=E9=9F=A6=E5=B3=B0=E2=80=99?= <2669441367@qq.com> Date: Mon, 10 Oct 2022 12:36:46 +0800 Subject: [PATCH] =?UTF-8?q?=E7=AC=AC=E5=8D=81=E4=B8=80=E6=AC=A1?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...0\345\202\250\350\277\207\347\250\213.sql" | 87 +++++++++++ .../2022-10-07\345\255\230\345\202\250.md" | 147 ++++++++++++++++++ 2 files changed, 234 insertions(+) create mode 100644 "01\346\235\216\351\237\246\345\263\260/\344\275\234\344\270\232/2022-10-07\345\255\230\345\202\250\350\277\207\347\250\213.sql" create mode 100644 "01\346\235\216\351\237\246\345\263\260/\347\254\224\350\256\260/2022-10-07\345\255\230\345\202\250.md" diff --git "a/01\346\235\216\351\237\246\345\263\260/\344\275\234\344\270\232/2022-10-07\345\255\230\345\202\250\350\277\207\347\250\213.sql" "b/01\346\235\216\351\237\246\345\263\260/\344\275\234\344\270\232/2022-10-07\345\255\230\345\202\250\350\277\207\347\250\213.sql" new file mode 100644 index 0000000..3c80e82 --- /dev/null +++ "b/01\346\235\216\351\237\246\345\263\260/\344\275\234\344\270\232/2022-10-07\345\255\230\345\202\250\350\277\207\347\250\213.sql" @@ -0,0 +1,87 @@ + +use BankTest +go +--1. 定义存储过程实现查询出账户余额最低的银行卡账户信息,显示银行卡号，姓名，账户余额 +-- 没有输入参数，输出参数 procedure +go +create procedure proc_GetMinMoney +as +begin + select CardNo,RealName,CardMoney from AccountInfo A join BankCard B on A.AccountId = B.AccountId + where CardMoney = (select MIN(CardMoney) from BankCard) +end + +exec proc_GetMinMoney +go +select * from BankCard + + +--2. 模拟银行卡存钱操作，传入银行卡号，存钱金额，实现存钱操作 +go +create procedure proc_GetCardNoByInMoney +@CardNo varchar(30), +@Money money +as +begin + update BankCard set CardMoney += @Money where CardNo = @CardNo +end + + +exec proc_GetCardNoByInMoney '6225125478544587',1000 + + +--3. 模拟银行卡取钱操作，传入银行卡号，取钱金额，实现取钱操作，取钱成功，返回1，取钱失败返回-1 +go +create procedure proc_GetCardNoByOutMoney +@CardNo varchar(30), +@Money money +as +begin + update BankCard set CardMoney -= @Money where CardNo = @CardNo + if(@@ERROR <> 0) + print -1 + else + print 1 +end + +exec proc_GetCardNoByOutMoney '6225125478544587',1000 + + +--4. **查询出某时间段的银行存取款信息以及存款总金额**，取款总金额，传入开始时间，结束时间，显示存取款交易信息的同时，返回存款总金额，取款总金额。 +select * from CardExchange +go +create proc proc_GetCardExchangeByTime +@OpenTime smalldatetime, +@EndTime smalldatetime, +@suminMoney money output, +@sumoutMoney money output +as +begin + select @suminMoney = SUM(MoneyInBank),@sumoutMoney = SUM(MoneyOutBank) from CardExchange + where ExchangeTime between @OpenTime and @EndTime +end + +go +declare @OpenTime smalldatetime= '2022-09-19 22:37:00' , @EndTime smalldatetime = '2022-09-29 09:47:00' +declare @suminMoney money,@sumoutMoney money + +exec proc_GetCardExchangeByTime @OpenTime,@EndTime,@suminMoney output,@sumoutMoney output +select @suminMoney,@sumoutMoney + + + + + + + +--5. **密码升级**，传入用户名和密码，如果用户名密码正确，并且密码长度<8，自动升级成8位密码 + +--(提示：随机生成 0-9 的整数： float(rand()*10)) rand():随机生成0.0-1.0的小数 float:向下取整） +select * from AccountInfo +alter table AccountInfo add [pawssword] int +insert into AccountInfo values( + 123456, + 123456, + 123456, + 123456 +) diff --git "a/01\346\235\216\351\237\246\345\263\260/\347\254\224\350\256\260/2022-10-07\345\255\230\345\202\250.md" "b/01\346\235\216\351\237\246\345\263\260/\347\254\224\350\256\260/2022-10-07\345\255\230\345\202\250.md" new file mode 100644 index 0000000..cf55db2 --- /dev/null +++ "b/01\346\235\216\351\237\246\345\263\260/\347\254\224\350\256\260/2022-10-07\345\255\230\345\202\250.md" @@ -0,0 +1,147 @@ +## 瀛樺偍杩囩▼(Stored Procedure) + +#### 浠涔堟槸瀛樺偍杩囩▼ + +瀛樺偍杩囩▼鏄**棰勭紪璇**SQL璇彞闆嗗悎锛岃繖浜涜鍙ュ瓨鍌ㄥ湪涓涓悕绉帮紙瀛樺偍杩囩▼鐨勫悕绉帮級涓嬪苟浣滀负鍗曞厓鏉ュ鐞嗐傚瓨鍌ㄨ繃绋嬩唬鏇夸簡浼犵粺鐨勯愭潯鎵цSQL璇彞鐨勬柟寮忥紝涓涓瓨鍌ㄨ繃绋嬩腑鍙互鍖呭惈鏌ヨ銆佹彃鍏ャ佸垹闄ゃ佹洿鏂扮瓑鎿嶇旱鐨勪竴绯诲垪SQL璇彞锛屽綋杩欎釜瀛樺偍杩囩▼琚皟鐢ㄦ墽琛屾椂锛岃繖浜涙搷浣滀篃浼氬悓鏃舵墽琛屻 + +灏佽濂 --> 璋冪敤 + +#### 瀛樺偍杩囩▼鐨勫垎绫 + +##### 绯荤粺瀛樺偍杩囩▼ + + 绯荤粺瀛樺偍杩囩▼鏄敤鏉ョ鐞哠QL Server涓庢樉绀烘湁鍏虫暟鎹簱鍜岀敤鎴风殑淇℃伅鐨勫瓨鍌ㄨ繃绋嬨 + +甯歌鐨勭郴缁熷瓨鍌ㄨ繃绋嬫湁 + +```sql +sp_databases 鍒楀嚭鏈嶅姟涓婄殑鎵鏈夋暟鎹簱 +sp_helpdb --鎶ュ憡鏈夊叧鎸囧畾鏁版嵁搴撴垨鎵鏈夋暟鎹簱鐨勪俊鎭 +sp_renamedb 鏇存敼鏁版嵁搴撶殑鍚嶇О +sp_tables --杩斿洖褰撳墠鐜涓嬪彲鏌ヨ鐨勫璞＄殑鍒楄〃 +sp_columns 杩斿洖鏌愪釜琛ㄥ垪鐨勪俊鎭 +sp_help --杩斿洖鏌愪釜琛ㄧ殑鎵鏈変俊鎭 +sp_helpconstraint 鏌ョ湅鏌愪釜琛ㄧ殑绾︽潫 +sp_helpindex --鏌ョ湅鏌愪釜琛ㄧ殑绱㈠紩 +sp_stored_procedures 鍒楀嚭褰撳墠鐜涓殑鎵鏈夊瓨鍌ㄨ繃绋 +sp_password --娣诲姞鎴栦慨鏀圭櫥褰曡处鎴风殑瀵嗙爜 +sp_rename 閲嶅懡鍚嶅瓨鍌ㄨ繃绋 +sp_helptext 鏄剧ず榛樿鍊硷紝鏈姞瀵嗙殑瀛樺偍杩囩▼銆佺敤鎴峰畾涔夌殑瀛樺偍杩囩▼銆佽Е鍙戝櫒鎴栬鍥剧殑瀹為檯鏂囨湰銆 +``` + + + +##### 鑷畾涔夊瓨鍌ㄨ繃绋 + +**鍒涘缓瀛樺偍杩囩▼** + +1.娌℃湁杈撳叆鍙傛暟锛屾病鏈夎緭鍑哄弬鏁扮殑瀛樺偍杩囩▼銆 + +```sql +create proc <瀛樺偍杩囩▼鍚嶇О> +as + +go +``` + +缁冧範锛 瀹氫箟瀛樺偍杩囩▼鏌ヨ 骞撮緞鏈灏忕殑瀛︾敓淇℃伅 + +2.鏈夎緭鍏ュ弬鏁帮紝娌℃湁杈撳嚭鍙傛暟鐨勫瓨鍌ㄨ繃绋 + +```sql +create proc <瀛樺偍杩囩▼鍚嶇О> +<鍙橀噺1> <鏁版嵁绫诲瀷> +<鍙橀噺2> <鏁版嵁绫诲瀷> +... +as + +go +``` + + + + + +3.鏈夎緭鍏ュ弬鏁帮紝娌℃湁杈撳嚭鍙傛暟锛屼絾鏄湁杩斿洖鍊肩殑瀛樺偍杩囩▼锛堣繑鍥炲煎繀椤绘暣鏁帮級銆 + +```sql +create proc <瀛樺偍杩囩▼鍚嶇О> +<鍙橀噺1> <鏁版嵁绫诲瀷> +<鍙橀噺2> <鏁版嵁绫诲瀷> +... +as + +return 鏁存暟 +go +``` + + + +4.鏈夎緭鍏ュ弬鏁帮紝鏈夎緭鍑哄弬鏁扮殑瀛樺偍杩囩▼ & 涓涓彉閲忓叿澶囧悓鏃惰緭鍏ヨ緭鍑哄弬鏁扮殑瀛樺偍杩囩▼ + +```sql +create proc <瀛樺偍杩囩▼鍚嶇О> +<鍙橀噺1> <鏁版嵁绫诲瀷> output +<鍙橀噺2> <鏁版嵁绫诲瀷> output +... +as + +return 鏁存暟 +go +``` + + + +**鎵ц瀛樺偍杩囩▼** + +```sql +--鏃犲弬 +exec <瀛樺偍杩囩▼鍚嶇О> +--甯﹀弬 +exec <瀛樺偍杩囩▼鍚嶇О> <褰㈠弬1>,<褰㈠弬2>,... +--甯﹀弬甯﹁繑鍥炲 +declare @鍙橀噺 +exec @鍙橀噺 = <瀛樺偍杩囩▼鍚嶇О> <褰㈠弬1>,<褰㈠弬2>,... +--鏈夎緭鍏ュ弬鏁帮紝鏈夎緭鍑哄弬鏁扮殑瀛樺偍杩囩▼ +declare @鍙橀噺 +exec <瀛樺偍杩囩▼鍚嶇О> <褰㈠弬1>,<褰㈠弬2>,@鍙橀噺 output +--涓涓彉閲忓悓鏃跺叿澶囪緭鍏ヨ緭鍑哄姛鑳 +declare @鍙橀噺 <鏁版嵁绫诲瀷> = 鍊 +exec <瀛樺偍杩囩▼鍚嶇О> <褰㈠弬1>,<褰㈠弬2>,@鍙橀噺 output +``` + + + +**鍒犻櫎瀛樺偍杩囩▼** + +```sql +drop procedure <瀛樺偍杩囩▼鍚嶇О> +``` + + + +#### 瀛樺偍杩囩▼鐨勪紭鐐 + +鍏佽妯″潡鍖栫▼搴忚璁 + +鎵ц閫熷害鏇村揩 + +鍑忓皯缃戠粶娴侀氶噺 + +鎻愰珮绯荤粺瀹夊叏鎬 + + + +#### 瀛樺偍杩囩▼涓庡嚱鏁扮殑鍖哄埆 + +1.鍌ㄥ瓨杩囩▼鍙互鏈夎繑鍥炲间篃鍙互鏃犺繑鍥炲笺傚嚱鏁板繀椤绘湁杩斿洖鍊笺 + +2.瀛樺偍杩囩▼鐨勫疄鐜版瘮杈冨鏉傦紝鑰屽嚱鏁扮殑瀹炵幇姣旇緝鏈夐拡瀵规с + +3.鍌ㄥ瓨杩囩▼鍙互杈撳叆杈撳嚭鍙傛暟锛岃屽嚱鏁板彧鍙互杈撳叆鍙傛暟銆 + +4.杩囩▼鍏佽鍦ㄥ叾涓夋嫨浠ュ強DML璇彞锛岃屽嚱鏁板彧鍙互鍦ㄥ叾涓璼elect璇彞銆 + +5.鍙互鍦ㄥ瓨鍌ㄨ繃绋嬩腑璋冪敤鍑芥暟锛屼笉鍙互鍦ㄥ嚱鏁颁腑璋冪敤瀛樺偍杩囩▼銆 + +6.鍑芥暟鍙互浣滀负鏉′欢鍦ㄨ鍙ヤ腑浣跨敤锛屼絾鏄瓨鍌ㄨ繃绋嬩笉鍙互銆 \ No newline at end of file -- 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