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SQL FOREIGN KEY Constraint 21 Jan 2013 | 12:30 am
The FOREIGN KEY constraint is used to point to primary key of another database table. Foreigh key ensures that the data exists when we have reference to it. For example, we have a table of Employee (E...
SQL UNIQUE Constraint 15 Dec 2012 | 09:23 pm
The UNIQUE constraint is used to uniquely identify each row in a database table. It is some similar to Primary key, but has some difference: Primary Key is automatically Unique Constraint One table sh...
More sql statements related news:
The OLE DB provider "Microsoft.ACE.OLEDB.12.0" has not been registered sqltutorials.blogspot.com 31 Jan 2012 | 05:58 am
If you run below SQL statement --------------------------------------------------------- Select * into DBTable FROM OPENROWSET('Microsoft.ACE.OLEDB.12.0', 'Excel 12.0;Database=D:\myExcelFile.xlsx;HDR=...
DB2-2 ibmmainframestutorial.blogspot.com 29 May 2012 | 05:30 pm
Q. What will the EXPLAIN do? A EXPLAIN obtains information (which indexes are used, whether sorting is necessary, which level of locking is applied) about how SQL statements in the DBRM will b...
SQL Syntax sqltutorial.co 7 Aug 2011 | 05:29 am
SQL Statements SQL is defined by rules of syntax, words and symbols that establish which can be used and how they can be combined, and by rules of syntax, rules that establish the actual meaning of an...
MySQL Error 1064 Explained tutorialarena.com 17 Mar 2012 | 07:02 am
MySQL Error 1064 is a general parse error that the query parser encountered when processing the SQL statement before execution. This error is basically saying that you have some sort of syntax error i...
Export Access Tables to Other Formats Using a SQL Statement belajar-pemrograman-vbonline.blogspot.com 17 Mar 2011 | 03:19 pm
Write the program code below into the code window. For intFileSep = Len(opnFileName) To 1 Step -1 If Mid$(opnFileName, intFileSep, 1) = "\" Then Exit For Next intFileSep strTempStr = "SELECT ...
Format Tanggal MSSQL sawahurang.wordpress.com 25 Jun 2010 | 09:36 pm
Referensi Format data MS SQL Standard Date Formats Date Format Standard SQL Statement Sample Output Mon DD YYYY 1 HH:MIAM (or PM) Default SELECT CONVERT(VARCHAR(20), GETDATE(), 100) Jan 1...
PHP : mysql_real_escape_string() function jagdeepmalhi.blogspot.com 19 May 2012 | 04:41 pm
The mysql_real_escape_string() function escapes special characters in a string for use in an SQL statement The following characters are affected Syntax : mysql_real_escape_string(string,connection) ...
MySQL-Functions vs. PDO vs. Doctrine2 krsteski.de 27 Sep 2011 | 02:56 am
Neulich bin ich in ein komplett neues Projekt eingestiegen. Das Team diskutierte über ein mögliches ORM Framework. Die Anforderungen an da ORM-Framework waren: „Wir möchten keine SQL-Statement mehr sc...
Mengenal Dan Memahami SQL Statement ilmalyakin.blogspot.com 24 Sep 2010 | 05:12 pm
Penguasaan SQL Statement merupakan syarat mutlak bagi seorang programmer, dengan memanfaatkan bahasa ini kita dapat mengolah database dari yang berukuran sangat besar sampai kecil dengan efektif dan e...
SQL SERVER – What is @@Rowcount, @@Error and @@Identity sqlexplore.wordpress.com 1 May 2011 | 05:43 am
@@Rowcount is used to display the number of rows affected by last SQL statement. @@Error displays the error number for the last SQL statement executed. The value is zero,if there is no error. @@iden...
