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Microsoft SQL Server Tutorial Articles


441: Oracle8 introduced the function
Oracle 8 introduced the function These functions allow you to access Oracle8 and Oracle7 databases. Oracle8 point he used to use interface (OCI8). The use of the expansion module, you need to Oracle8 client library files. Set up your web server af...

442: OraclePL / SQL entry of practice case
Oracle PL / SQL entry of practice case Earlier understanding of PL / SQL programming foundation, this article will be combined with a better understanding of the case to the understanding of these knowledge points. There are two tables, is informa...

443: Usage of SQL in DATALENGTH
Usage of SQL in DATALENGTH Syntax DATALENGTH (expression) Parameters expression Any type of expression. Return type int Notes DATALENGTH of varchar, varbinary, text, image, nvarchar, and ntext data type is particularly useful because these ...

444: Learning MySQL entry (b)
Learning MySQL entry (b) , The environment can continue to build upon our learning. This paper used to write with a command. 1, start the MySQL server Part fact, have talked about how to start MySQL. Two ways: First, with winmysqladmin, if the m...

445: Learning MySQL entry (c)
Learning MySQL entry (c) And database tables. 1, using the SHOW statement to find out there on the server what the current database: mysql> SHOW DATABASES; +----------+ | Database | +----------+ | Mysql | | Test | +----------+ 3 rows in...

446: Linux how to repair damaged MySQL database
Linux how to repair damaged MySQL database myisamchk isamchk Myisamchk for MYISAM which types of data tables, and ISAM type isamchk applied to the data sheets. The two main parameters of the same order, when new systems are used as the default MY...

447: Concise Guide to MySQL Optimization
Concise Guide to MySQL Optimization If you installed from source code distribution of MySQL, it must be noted that the process of compiling the goal of future performance has important implications, different compilers may be similar to the target ...

448: The principles of performance tuning SQL statements
The principles of performance tuning SQL statements First, the problem Application Development in the early development of the database as a result of relatively few data for the query SQL statements, complex view of the preparation, such as SQL s...

449: MYSQL advanced features - Transaction Processing
MYSQL advanced features - Transaction Processing To use MySQL in the transaction processing, first of all need to create the type of use of Services Table (such as BDB = Berkeley DB or InnoDB) table. CREATE TABLE account ( account_id BIGINT UNSIG...

450: MySQL Getting Started Guide
MySQL Getting Started Guide Structure Query Language (SQL) relational database is used to query the standard language, which includes the same number of keywords and syntax for the database components (such as tables, indexes, fields, etc.) the est...

451: Sqlserver import database from mysql database experience
From sql server database into mysql database experience The first is to install the mysql ODBC, use the Export function of sql server, select the mysql data source, the direct export of data, this method is very simple, but practical applications f...

452: Pictures stored in MySQL database
Pictures stored in MySQL database First, this article outlines the The main contents of this paper is as follows: * In MySQL to create a new database * an example of how to save the document a process * Examples of how the procedures to access fi...

453: The difference between MySQL and ACCESS
The difference between MySQL and ACCESS "Change" the word of the IT industry is no longer an ordinary thing. If the management of the executives with the recommendation of the database you want to list, is likely to start in your program ...

454: On a single machine run multiple MySQL servers
On a single machine run multiple MySQL servers In some cases you may want the same machine to run multiple servers. For example, you may want to test a new version of MySQL and let you set up the existing production systems are not disturbed, you m...

455: Oracle database defragmentation
Oracle database defragmentation ---- 1, debris is generated ---- When the generation of a database, it will be referred to as table space is divided into (tablespace) the number of the logic of paragraph (segment), such as the system (system) tabl...

456: oracle system table query
oracle system table query Dict data dictionary is always belong to the Oracle user sys. 1, the user: select username from dba_users; Change password alter user spgroup identified by spgtest; 2, table space: select * from dba_data_files; selec...

457: backup and recovery of oracleFAQ
oracle FAQ's backup and recovery [A] If you open the archive, please ensure that log_archive_start = true open automatically archived, or can only be filed by hand, if it is closed the archive, then set the parameters for the false Note: If th...

458: To delete a table, and b the same data table
To delete a table, and b the same data table 1, Windows NT4.0 + ORACLE 8.0.4 2, ORACLE installation path: C: ORANT Issues: To do business in the dump data, if errors occur, there may be the main form and sub-table has the same type of data, the ...

459: Detailed function MySQL database (4)
Detailed function MySQL database (4) (13) object mysql_fetch_object (int result_id [, int result_typ]); The function result to the query results down to the object variable. The use of methods and mysql_fetch_array () is almost the same, of the di...

460: MySQL database function explain (3)
MySQL database function explain (3) (9) string mysql_error (int [link_id]); For a given connection with the recent return to return to the state of the function associated with the MySQL error message string. Null value means that the error does n...


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