excel macro database query

Through the previous step, the environment has been set up.The following starts the actual combat,First, write a function that links MySQL conn_sql.pyImport Pymysqldef Sql_conn (u,pwd,h,db): conn=pymysql.connect (user=u,passwd=pwd,host=h,db=db) #print (" Connection database "+db+" Succeeded!! ") return connIn writing, query the database for the statement

: Query ('set names utf8; ');} catch (PDOException $ e) {echo "connection failed ". $ e-> getMessage () ;}// pdo binding parameter operation $ stmt = $ dbh-> prepare ("insert into alumni (gid, student_no, name) values (: gid,: student_no,: name) "); $ stmt-> bindParam (": gid ", $ gid, PDO: PARAM_STR); $ stmt-> bindParam (": student_no ", $ student_no, PDO: PARAM_STR); $ stmt-> bindParam (": name", $ name, PDO: PARAM_STR); $ objReader = new PHPExcel

We sometimes need to fetch data from other databases in Excel, and when we want other database data to change, the data that is fetched in Excel changes dynamically. Here's how to implement a dynamic linked database in Excel by using new

selected, the auto-commit this.autosubmit=false is turned off; Verify that the uploaded file name meets the suffix. xls or. xlsx var regex =/^.*\. (?: xls|xlsx) $/i; This.filename () returns the currently selected file name (PS: I used this method to write a method to get the name of the file) $ ("[name = '" +this.name () + "']"). Val ())//alert (th Is.filename ()); if (Regex.test ($ ("[name = '" "+this.name () +" '] "). Val ())) {//by verifying this.submit (

Data Table imported from Excel to MySQL database I simply sorted it out: Import Excel Data to MySQL database:1: select the data block to be imported. (Some people say there is an extra column. I don't need to do that after the test. I have exported the entire file) 2: copy the selected data block to a new table, and th

$DSN = "Mysql:host=localhost;dbname=alumni;";$user = "root";$password = "";try{$DBH = new PDO ($DSN, $user, $password);$DBH->query (' Set names utf8; ');}catch (Pdoexception $e) {echo "Connection failed". $e->getmessage ();}PDO binding parameter operation$stmt = $dbh->prepare ("INSERT into alumni (Gid,student_no,name) VALUES (: Gid,:student_no,:name)");$stmt->bindparam (": gid", $gid, PDO::P aram_str);$stmt->bindparam (": Student_no", $student _no,pdo

Async Version: http://blog.csdn.net/zzwwjjdj1/article/details/52129192write this version is mainly, promise more useful, and, now is the nodejs of the built-in objects, no need to reference third-party library-The tools neededMySQL DatabaseConnection database module MySQL Basic package: http://blog.csdn.net/zzwwjjdj1/article/details/51991348Auto-run module Node-schedule basic use: http://blog.csdn.net/zzwwjjdj1/article/details/51898257Generate

This article provides a detailed analysis of php backup database code (word, excel, json, xml, SQL). For more information, see Single table backupCode: The code is as follows: Class Db{Var $ conn;Function Db ($ host = "localhost", $ user = "root", $ pass = "root", $ db = "test "){If (! $ This-> conn = mysql_connect ($ host, $ user, $ pass ))Die ("can't connect to mysql sever ");Mysql_select_db ($ db, $

. GetCatalogs();Equivalent to execution: show databases;while (RS. Next()) {System. out. println(RS. getString(1));Perform metadata operations get database name}//know the name of the database con. Createstatement(). Execute("Use Hncu");Dynamically get table name//can write parameter null as "%o%" for fuzzy query ResultSet rs2 = DM. Gettables("Hncu","Hncu", NULL,

Import EXCEL Data to the SQL SERVER database. Method 1 .. View the procedure Right-click the database, select "task", and select "import data". The pop-up dialog box for "Fade in data" appears. It is best to name the fields in Excel the same as those in the table to be imported. Assume that the final table is table.

Save the database query results to Excel. Excel can easily process data. if the database data can be read into an excel file, it can be easily processed. Convert database data to

.xlsand .xlsx, that is, HDR = Yes in versions such as office2010 indicates that the first line is the title, not the data;Const string shorttext = "Provider = Microsoft. Ace. OleDb.12.0; Data Source = {0}; Extended Properties = 'excel 12.0; HDR = Yes; IMEX = 1 '"; System. Data. DataTable dt = null;// Establish a connectionOleDbConnection conn = new OleDbConnection (string. Format (plain text, fileUrl ));Try{// Open the connectionIf (conn. State = Con