{"id":136015,"date":"2024-05-04T19:43:16","date_gmt":"2024-05-04T14:13:16","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=136015"},"modified":"2024-05-04T19:47:49","modified_gmt":"2024-05-04T14:17:49","slug":"how-to-create-database-menu-driven-application-with-oops-part-3","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/how-to-create-database-menu-driven-application-with-oops-part-3\/","title":{"rendered":"How to Create Database Menu Driven Application with OOPS in Python Part &#8211; 3"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">import MySQLdb\r\nclass MyDataBase:\r\n    def __init__(self):\r\n        self.con=MySQLdb.Connect(host=\"localhost\",user=\"root\",password=\"root\",database=\"dataflair\")\r\n        print(\"Connection success\")\r\n\r\n    def autoId(self):\r\n        self.maxid=100\r\n        sql=\"select max(eid) from employee\"\r\n        self.cur=self.con.cursor()\r\n        self.cur.execute(sql)\r\n        result=self.cur.fetchone()\r\n        self.maxid=result[0]\r\n        self.maxid=id=self.maxid+1\r\n\r\n\r\n    def insertData(self,empname,empdept,empsal):\r\n        self.autoId()\r\n        sql=\"insert into employee values('%d','%s','%s','%d')\"\r\n        value=(self.maxid,empname,empdept,empsal)\r\n        self.cur=self.con.cursor()\r\n        self.cur.execute(sql % value)\r\n        print(\"record inserted: \",self.cur.rowcount)\r\n        self.con.commit()\r\n\r\n    def searchAll(self):\r\n        sql=\"select * from employee\"\r\n        self.cur=self.con.cursor()\r\n        self.cur.execute(sql)\r\n        result=self.cur.fetchall()\r\n        print(\"---------------------------------------------\")\r\n        print(\"ID     NAME      DEPARTMENT            SALARY\")\r\n        for row in result:\r\n            print(\"---------------------------------------------\")\r\n            print(\"%d        %s       %s        %d\"%(row[0],row[1],row[2],row[3]))\r\n\r\n    def searchById(self,empid):\r\n        sql=\"select * from employee where eid=%d\"\r\n        self.cur=self.con.cursor()\r\n        self.cur.execute(sql % empid)\r\n        result=self.cur.fetchone()\r\n        if(self.cur.rowcount==0):\r\n            print(\"----------No Record Found----------\")\r\n        else:\r\n            print(\"ID     NAME      DEPARTMENT            SALARY\")\r\n            print(\"---------------------------------------------\")\r\n            print(\"%d        %s       %s        %d\" % (result[0], result[1], result[2], result[3]))\r\n\r\n    def deleteById(self,empid):\r\n        sql = \"select * from employee where eid=%d\"\r\n        self.cur = self.con.cursor()\r\n        self.cur.execute(sql % empid)\r\n        result = self.cur.fetchone()\r\n        if (self.cur.rowcount == 0):\r\n            print(\"----------No Record Found----------\")\r\n        else:\r\n            print(\"ID     NAME      DEPARTMENT            SALARY\")\r\n            print(\"---------------------------------------------\")\r\n            print(\"%d        %s       %s        %d\" % (result[0], result[1], result[2], result[3]))\r\n            choice=input(\"Are You sure want to delete(yes\/no) :\")\r\n            if(choice=='yes'):\r\n                sql=\"delete from employee where eid=%d\"\r\n                self.cur=self.con.cursor()\r\n                self.cur.execute(sql % empid)\r\n                self.con.commit()\r\n                print(\"Record deleted.........\")\r\n\r\n    def __del__(self):\r\n        print(\"Connection close\")\r\n        self.con.close()\r\n\r\n#Calling Place\r\nch=0\r\nM1=MyDataBase()\r\nwhile(ch!=5):\r\n    print(\"---------------Database Menu----------------\")\r\n    print(\"1.Insert Record\")\r\n    print(\"2.Search Record By Id\")\r\n    print(\"3.Search All Record\")\r\n    print(\"4.Delete Record By Id\")\r\n    print(\"5.Exit\")\r\n    print(\"---------------------------------------------\")\r\n    ch=int(input(\"Enter your Choice\"))\r\n    if(ch==1):\r\n        ename = input(\"Enter Employee Name:\")\r\n        edept=input(\"Enter Employee Department:\")\r\n        esal = int(input(\"Enter Employee Salary:\"))\r\n        M1.insertData(ename,edept,esal)\r\n    elif(ch==2):\r\n        eid = int(input(\"Enter Employee Id for Search:\"))\r\n        M1.searchById(eid)\r\n    elif(ch==3):\r\n        M1.searchAll()\r\n    elif(ch==4):\r\n        eid = int(input(\"Enter Employee Id for Delete:\"))\r\n        M1.deleteById()\r\n\r\n\r\n\r\n\r\n\r\n\r\n#M1=MyDataBase()\r\n# eid = int(input(\"Enter Employee Id for Delete:\"))\r\n# M1.deleteById(eid)\r\n#M1.searchById(eid)\r\n\r\n#M1.searchAll()\r\n# M1.autoId()\r\n# print(\" Employee ID:\",M1.maxid)\r\n# ename=input(\"Enter Employee Name:\")\r\n# edept=input(\"Enter Employee Department:\")\r\n# esal = int(input(\"Enter Employee Salary:\"))\r\n# M1.insertData(ename,edept,esal)<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 import MySQLdb class MyDataBase: def __init__(self): self.con=MySQLdb.Connect(host=&#8221;localhost&#8221;,user=&#8221;root&#8221;,password=&#8221;root&#8221;,database=&#8221;dataflair&#8221;) print(&#8220;Connection success&#8221;) def autoId(self): self.maxid=100 sql=&#8221;select max(eid) from employee&#8221; self.cur=self.con.cursor() self.cur.execute(sql) result=self.cur.fetchone() self.maxid=result[0] self.maxid=id=self.maxid+1 def insertData(self,empname,empdept,empsal): self.autoId() sql=&#8221;insert into employee values(&#8216;%d&#8217;,&#8217;%s&#8217;,&#8217;%s&#8217;,&#8217;%d&#8217;)&#8221; value=(self.maxid,empname,empdept,empsal) self.cur=self.con.cursor() self.cur.execute(sql %&#46;&#46;&#46;<\/p>\n","protected":false},"author":86671,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[31761,31760,31762,10333,28626,22366],"class_list":["post-136015","post","type-post","status-publish","format-standard","hentry","category-python","tag-create-database-menu-driven-application-with-oops","tag-how-to-create-database-menu-driven-application-with-oops","tag-menu-driven-application-with-oops","tag-python","tag-python-practical","tag-python-program"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Create Database Menu Driven Application with OOPS in Python Part - 3 - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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result=self.cur.fetchone() self.maxid=result[0] self.maxid=id=self.maxid+1 def insertData(self,empname,empdept,empsal): self.autoId() sql=\"insert into employee values('%d','%s','%s','%d')\" value=(self.maxid,empname,empdept,empsal) self.cur=self.con.cursor() self.cur.execute(sql %&#46;&#46;&#46;","og_url":"https:\/\/data-flair.training\/blogs\/how-to-create-database-menu-driven-application-with-oops-part-3\/","og_site_name":"DataFlair","article_publisher":"https:\/\/www.facebook.com\/DataFlairWS\/","article_published_time":"2024-05-04T14:13:16+00:00","article_modified_time":"2024-05-04T14:17:49+00:00","author":"TechVidvan Team","twitter_card":"summary_large_image","twitter_creator":"@DataFlairWS","twitter_site":"@DataFlairWS","twitter_misc":{"Written by":"TechVidvan Team","Est. reading time":"1 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