tableau connect to sql database

Label:Recently in the study of the relevant content of the database, after Sqlplus knocked a few days command line window, want to try to connect with SQL Developer database but has not been implemented. After searching the relevant information on the net now finally fix, write down this blog to share with you!1. Confi

) { //get the connection string in the configuration file stringConstr = configurationmanager.connectionstrings["myconn"]. ToString (); using(SqlConnection con=NewSqlConnection (CONSTR)) { stringSelstr ="select name from user1 where 1=1"; SqlCommand com=NewSqlCommand (Selstr,con); Con. Open (); SqlDataReader SDR=com. ExecuteReader (); while(SDR). Read ()) {LISTBOX1.ITEMS.ADD (sdr[0]. ToString ());

Label:(In programming life, we often use databases.) Then there is a lot of trouble when working with the database through T-SQL statements. I was haunted for a day yesterday. Obviously this T-SQL plug-in data statements in the database run without problems, into the Java code or other languages will be error, really p

Recently found a good thing on the Internet sqlapi++, it is available to access multiple SQL databases (oracle,sql server,db2,sybase,informix,interbase,sqlbase,mysql,postgresql) C+ + Library. sqlapi++ directly invokes the APIs of the local Target database management system (DBMS) (unlike ADO using the OLE DB and/or ODBC intermediate). The sqlapi++ Library acts as

1. Open SQL Plus login directly, require username and passwordStart-"program-" oracle-"Application development-" SqlplusMy computer is "start"-"oracle-oradb11g_home1"-"Application Development"-"SQL Plus"After the database installation is complete, there are two system-level users:System default password: ManagerSYS default password: change_on_install2. Go to cmd

Tags: style color strong data SP on line size C First make sure that the two machines are on the same LAN, and then open the Configuration tool →sql Server Configuration Manager to configure, change the TCP/IP (IP1,IP2) TCP port of the MSSQLSERVER protocol to 1433, enabled to Yes. Server name : input IPLogin Name : Enter the database account numberPassword : Enter the password for the

First, install FreeTDS 1, install the compiler tools and driversYum install make apr* autoconf automake gcc gcc-c++ wget2. Install UNIXODBC DriverYum-y Install UnixODBC Unixodbc-devel3, installation FreeTDSCd/usr/local/srcwget ftp://ftp.freetds.org/pub/freetds/stable/freetds-stable.tgz #下载, sometimes can not download with wget commandGunzip freetds-stable.tgz #解压TAR-XVF Freetds-stable.tarCD freetds-0.91./configure--prefix=/usr/local/freetds--with-tdsver=8.0--with-unixodbc=/usr--enable-msdblib #配

Add in Web.config file And then add it to the page that needs to connect to the database Gets the database connection string public static string connstring = configurationmanager.connectionstrings["sqlConnectionString"]. ConnectionString; The above is a small set of asp.net to the introduction of the SQL