Server
1.1. SQL Server development process
SQL Server is a relational database management system for Microsoft Company, but it has to start with Sybase in terms of its history. SQL Server was developed from the late the 1980s, the earliest
access|server|sql| Comparison | tips
Background database:[Microsoft Access]And[Microsoft SQL Server]After the replacement, the ASP code should note some of the areas to be modified:
[One] connection problem (for example)[Microsoft Access]Constr =
I. T-SQL overviewThe programming language that SQL Server uses to manipulate the database is Transaction-sql, or T-SQL. T-SQL differs from PL/SQL, and there is no fixed program structure.T-SQL consists of the following 4 sections:DDL: Define and
How SQL SERVER 2000 obtains the current system time with SQL statementsis to use GETDATE ();
getdate in SQL () January 08, 2008 Tuesday 14:59A very powerful date format function in SQL Server
Copy Code code as follows:
Select CONVERT
access|server|sql| comparison
Background database:[Microsoft Access]And[Microsoft SQL Server]After the replacement, the ASP code should note some of the areas to be modified:
[One] connection problem (for example)[Microsoft Access]Constr =
When searching for the membership management system today, I found that the previous search time method was not scientific, and the efficiency was not too high. the time format "14:32:12" is saved in the database when the specified query time is
Processing of date data formats, two examples:CONVERT (varchar (16), time one, 20) results: 2007-02-01 08:02CONVERT (varchar (10), time one, 23) results: 2007-02-01Statements and Query results:Select CONVERT (varchar), GETDATE (), 0): 2006
The remarks type can be text, or ntext! Varchar cannot exceed 8000.
Ntext
The maximum length of Unicode data is (1,073,741,823) characters.
Text
Server
Code The maximum length of non-Unicode data in the Variable Length page is (2,147,483,64
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