netezza information schema

This article demonstrates how to retrieve database schema information using the getoledbschematable method of the OleDbConnection object in ADO. Schema information in the data source includes the database or directories that can be obtained from the data sources, tables, and views in the database, as well as the constr

Architecture | data | database As for how to obtain database schema information, it may be simpler and more method to obtain SQL Server and ORACAL database structure. This is a common method for all databases that can be linked with ado.net, such as the DBF free table in ACCESS,DB4 format. 1, the first is linked to a variety of database links string, are used Ado.net, the namespace is: using System.D

Document directory Getoledbschematable method of oledbconnection object Example of creating a list of tables in a database Example of creating a retrieval table Architecture Example of creating a column listing a table Example of creating a primary key listing table This article demonstrates how to use ADO. net OledbconnectionObject GetoledbschematableMethod to retrieve database architecture information. The

Reference article:SQL Server Cursor Utilization: View all table size information for a database (Sizes of all Tables in a databases)Share a SQL Server script (calculate the amount of data for each table in the database and the space occupied by each row of records)Monitor the spatial variability of SQL Server database tables dailyCarefully read the above three-bit article, not the knowledge point and reference to MSDN, consolidating the knowledge poin

ado| Schema | data | Database use Ado.net to get database schema information Autumn Maple 2004-7-3 At the time of development, it is sometimes necessary to obtain database schema information to get some other information about t

Introduction to meta-data The most common definition of metadata (metadata) is "structural data about data," or, more simply, "information about data," which can be viewed as metadata in everyday life, such as illustrations, library catalogs, and business cards. In relational database management system (DBMS), metadata describes the structure and significance of data. For example, in management, when maintaining SQL Server or developing database appli

dsadd ou "Ou=admin_accounts,dc=doubioa,dc=ren"dsadd ou "Ou=service_accounts,dc=doubioa,dc=ren"dsadd user "Cn=jack.admin,ou=admin_accounts,dc=doubioa,dc=ren"dsadd ou "Ou=security_groups,dc=doubioa,dc=ren"dsadd ou "Ou=oa_admin_groups,ou=security_groups,dc=doubioa,dc=ren"dsadd ou "Ou=temp_computers,dc=doubioa,dc=ren"dsadd ou "Ou=server_computers,dc=doubioa,dc=ren"dsadd ou "Ou=client_computers,dc=doubioa,dc=ren"dsadd ou "Ou=employees_accounts,dc=doubioa,dc=ren"dsadd user "Cn=jack,ou=employees_accoun

T_code";3 SqlConnection conn =NewSqlConnection (CONNSTR);4Conn. Open ();5 SqlCommand cmd =NewSqlCommand ();6 cmd. Connection =Conn7 Cmd.commandtext =strSQL;89 SqlDataReader Read =Cmd. ExecuteReader (commandbehavior.schemaonly);10for (int i =0; I )11{12 Console.WriteLine ( " ,i); 13 Console.WriteLine ( " Field name: {0} ",read. GetName (i)); 14 Console.WriteLine ( " ,read. GetFieldType (i). Name); 15 Console.WriteLine ( " data type name in database: {0},read . Getdatatypename (i)); 16}

Label:The INFORMATION_SCHEMA database in MySQL is particularly notable for the following points.1, even a newly created user, that is, this user has only one usage permission. It can view some of the tables in Informatoin_schema.2. Try to grant the grant select on Information_schema.* to ' testuser ' @ ' localhost '; #这样总是会出错, probably MySQL has a similar setting by default.3, because by default the user can only see some of the tables in Information_schema, if you want to refer to the user can

achieve some degree of interprocess communication, but one drawback of this approach is that there can only be one process in the foreground at the same time, the application of the active call must enter the background after the call succeeds, So you can pass only the parameters that are in the URL or the parameters that are in the annotation. The switch between apps appears during the call and the user experience is not good. But better than nothing, Apple somehow left such a cut, Thanksgivin