name of database software

this setting increases the file performance, applications that cannot process long file names and computers the use Different code pages might not being able to find the files.---------------------------------------------------------------------------------------------------------GetShortPathName get long file name corresponding to the 8.3 format of the short file name when Windows entered the long file

MySQL displays the name of the connected database By default, MySQL does not display the name of the connected database when using databasename!Mysql> show databases;+ -------------------- +| Database |+ -------------------- +| Information_schema || Hank || Mysql || Performa

first, to determine whether the database table exists: First you have to get the database connection conn, call DatabaseMetaData Dbmd = Conn.getdatameta (), and then call the following methods: Copy Code code as follows: /** * Determine whether a database table exists based on the table name * @par

SQLsetpages100lines120SQLSELECTDISTINCTDECODE (NAME, NULL, NULL, NAME) FROMV $ ARCHIVED_LOG; DECODE (NAME, NULL, NULL, NAME) implements NULLSQLSHOWPARAMETERLOG_ARCHIVE_DEST_1N SQL set pages 100 lines 120 SQL SELECT DISTINCT DECODE (NAME, NULL, 'null',

You can use the file_name function to return the logical File Name of the specified file ID. As follows: In the following example, the file name (master database file) with file_id 1 is returned ). Use Master Select File_name ( 1 ) When we restore the database from a backup, the logical File

--Create Role R_test The code is as follows Copy Code EXEC sp_addrole ' R_test ' --Grant R_test all permissions to the jobs table The code is as follows Copy Code GRANT all on jobs to R_test --Grant role r_test SELECT permissions on the titles tableGRANT SELECT on titles to R_test --Add users who only allow access to the specified table: The code is as follows Copy Code EXEC sp_addlogin '

Tags: requires hot standby log DB instance mode Bak change security MSSQLI. Cold Backup Recovery 1. net stop MSSQLSERVER # If the default DB instance that is installed shuts down SQL Server's database 2. Copy SQL Server data files are mainly MDF data files and the LDF disk files. 3. If the database takes a full log mode log file is more than the case, you can first process the log file. 1. Checkpoint 2. Tas

Label:I. Entity class or attribute name conflicts with database keywords1. Entity class name conflicts with keyword in databaseExample: Entity table user conflicts with system tables in OracleWorkaround 1: Add the Table property to the XML and specify the name of the tables so that they are not equal to the

Modify Oracle Instance name System Environment: CentOS 6.5Oracle Version: 10.2 1, check the original database instance name$ echo $ORACLE _sidOrcl $ sqlplus/as SYSDBA> select instance from V$thread;INSTANCE--------------------------------------------------------------------------------Orcl 2. Close the database> Shu

This article from: http://kyle.itpub.net/post/1626/8891 The original article is as follows:------------------ Obtain the names of all tables in the database, and the fields and types of fields corresponding to the table, which are stored in the # Magic temporary tableIf exists (select * From tempdb .. sysobjects where name like '# Magic % ')Drop table # MagicGoSelect a.

you can see, but cannot be found)Let's try again to create a MyTable table.Mysql> create table MyTable (id int not null, name varchar (10), dt date );ERROR 1050 (42S01): Table 'mytable' already existsThe table already exists. Similarly, we can try to create the MyTest LibraryMysql> create database MyTest;ERROR 1007 (HY000): Can't create database 'mytest';

link designer. In the following demos, we will look at how to use the code editor to customize Object Model ...... You can use the Name Attribute of the DatabaseAttribute to specify the database Name when no Name is provided for the connection.You can apply the DatabaseAttribute feature to any strongly-typed Data

(a. id, a. name, 'Scale'), 0) as N 'decimal ',(Case when a. isnullable = 1 then '√ 'else' 'end) n' allow null ',Isnull (e. text, '') n' default value ',Isnull (g. [value], '') AS n' field description'-- Into # txFROM syscolumns a left join policypes BOn a. xtype = B. xusertypeInner join sysobjects dOn a. id = d. id and d. xtype = 'U' and d. name Left join syscomments eOn a. cdefault = e. idLeft join sys. e

In the use of thinkphp, I encountered the database field name case, using the M () method, thinkphp will look for lowercase database fields by default, through the following methods to resolve: is to modify the thinkphp of the source code in library/db/ Driver.class.php file, put Pdo::attr_case => Pdo::case_lower To Pdo::attr_case => pdo::case_natural Or add to t

Tags: use database file Max str DMI size base color from1 Code 1 Select* fromsysdatabases2 3 drop Database HelloWorld4 5 CREATE DATABASE HelloWorld6 7--set properties for MDF files8 On primary9 ( TenName ='Ahelloworldlogic', --the logical name of the MDF file (not the file name