Some time ago, the customer asked our system to exchange data with MS Excel and import and export the data in the system to excel. our system is a B/S structure MIS system made of Java. to solve this problem, I used the open-source Excel project jxl.Based on Customer require
match the data source imported to SQL server.If Microsoft Excel 5.0 is selected as the data source when importing data to SQL server, and the excel file version is Micaosoft Excel/95,
[DJANGO] dozens of thousands of lines of data in excel can be quickly imported into the database, and dozens of thousands of lines of django can be imported.
First paste the original data import code:
8 import OS. environ. setdefault ("DJANGO_SETTINGS_MODULE", "www. settings ") ''' when the Django version is greater than or equal to 1.7, add the following two sta
dialog box. If you are importing from a workbook of Microsoft Excel 5.0 or later, you can import a worksheet in the workbook. However, it cannot be imported from other multi-workbook files, such as Microsoft Excel 4.0 workbooks. To import these files, you must first save each worksheet as a separate file.Note:You can import or link all
bothThere is a fixed format, so we made an excel template, the customer must fill in the data according to the template format, the program can be normal resolution.Resolution is actually very simple, but in the process of doing it, we found that the time format data in excel requires special attention: If you read th
header of the Excel file, starting from the second line allis the data record string strSQL = String. Format ("If NOT EXISTS"-select * from sysobjects where name = ' {0} ') create table {0} (", sheetname); SheetName is the table name foreach (System.Data.DataColumn C in DS. Tables[0]. Columns) {strSQL + = string.
Format ("[{0}] varchar (255),", c.columnname);
does not exist. Save the prompt, and click Yes directly.3 Creating a new table in Heidisql(note) field names and order, to correspond to data one by one in Excel, several fields to build several fields.4 Importing CSV files in Heidisql5 Modifying Import parametersA total of 4 places to note:1 ignore the number of rows, according to the
reference mysql.data in the extension; and MySql.Data.MySqlClient;string strconnect = configurationmanager.connectionstrings["mysqlconnstring" ]. ToString ();strconnect="Server=127.0.0.1;user id=***;p assword=***;p ersistsecurityinfo=true;port=3306;database=test";New mysqlconnection (strconnect);Conn. Open (); foreach (string inNew Mysqlcommand (item, conn);Conn. Close ();2.2 Inserting data from a dataset into SQL ServerNeed to add reference using
(the first row serves as the header)/// /// Public static system. Data. dataset filldataset (){If (! File. exists (filepath )){Throw new exception ("the Excel file does not exist! ");} Arraylist tablelist = new arraylist ();Tablelist = getexceltables ();If (tablelist. Count {Return NULL;} System. Data. datatable table;System.
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It takes only 30-60 seconds to write 50 thousand records in 19 fields and 20 thousand records using VBA. It takes 83 minutes to write records directly to the cell. The speed is limited to times, the younger brother's level is limited and cannot be solved. I hope you will discuss and improve it.
1. This code may immediately see the "sorting method not supported by the system" error. After resume next is added, it will be resolved. What is the problem caused by this? Ca
The following code is from blog. csdn. nethellogv. indicate the source for reference! First, this article is intended for friends with database development experience. If you think that your skills are profound or that this article is not helpful to you, don't laugh. The following code is written by the younger brother. Before importing EXCEL data to the database
Excel, and configure the table structure
Seventh Step: Click to start the import, to the original excel in the data can be simply imported into the database, to see the database demo, see if there is already your Excel table, the specific table structure must be set, this is not only for the import of the smooth,
, text, and date) for each column ). Click Finish!Two details are prompted:1. for example, if the second field of the second row of the sample data is "001800", if you follow the "regular" type in the third step of the import, the front-end "00" will be removed, similar to the number processing method, if you want to retain it, select the "text" type.2. Sometimes there are inevitable format problems in the source
type (General, text, and date) for each column ). Click Finish!Two details are prompted:1. for example, if the second field of the second row of the sample data is "001800", if you follow the "regular" type in the third step of the import, the front-end "00" will be removed, similar to the number processing method, if you want to retain it, select the "text" type.2. Sometimes there are inevitable format problems in the source
Tags: completion note method images database PNG SQL HTML import ExcelSQL Server table and Excel data bulk copy methodOne, SQL Server table data copied to ExcelMethod:1. Create a new query and read the table data using SQL statements2. Then, select data, right-click "Copy" (
tables has been solved.
By the way, the process of exporting data from a data table in the MySQL database to an Excel file is the opposite. In fact, the process still relies on the TXT text file of the "Data Separator.Similarly, enter mysql> select * into OUTFILE 'f: // workspace // Birt // PEMS. report // SQL // data
First, SQLite import Excel1. Open the Excel you want to import---Save As (2007 click on the Office icon in the upper left corner)---Save type: CSV type(Hint what is incompatible with what, all points OK.) )2. Open SQLite Expert, select the database file (either an existing DB file that was imported or create a new. db database file yourself).Right-click the file name---Select the last import text file (CSV,TSV)3, (if not built and this
. Sometimes there are inevitable format problems in the source data, especially when importing database forms with strong constraints, an error is reported. In this case, you have to check the Excel data based on the error message. During the test, the comma appears inside the "," Double quotation mark, causing
in the previous blog post, I described the approximate flow of Excel data import and a demo instance Excel Data import ___ Do you hold It (i) In this article we will take you through the process of importing Excel and the problem
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