Detailed description of how to convert SQL server to oracle developed by asp.net, sqloracle
Preface
Some time ago, our company had to transfer SQL server to oracle, and found that there was less information on the Internet. So I would like to share my experiences and record the problems here. I will not talk much about them below, let's take a look at the detaile
Asp tutorial. net SQL server date and time format convert conversionOn the client, you can use the tostring () method for formatting:Datetime. now. tostring ("d") returns the standard date format.Datetime. now. tostring ("mm dd, yy") returns the Chinese date format: April 13Datetime. now. tostring ("hh: mm") return time:Parameters can be freely combined to meet the requirements
Convert the suffix. frm,. myd, and myi into. SQL and import it to the mysql database. frmmyi
Use a local MySQL database to convert these files to. SQL scripts.
1. Install MySQL. The version and font must be the same as that on the server. Otherwise, garbled characters are displayed.2. Use the create database name comma
Tags: jpg also has div nav IMA import data navicat SQL is perfectSQL Server data into MySQL data, can be said to be a cliché, there are many ways online, today we look at a different method, but also very simple, although a little flaw, but it is a good way, of course, if the combination of mss2sql that is very perfectThis conversion relies on the use of tools Navicat Premium.First, move the database to loc
option can be used to transmit data that contains ANSI extended characters and to take advantage of the performance of the local mode. You cannot use the-N option in SQL Server 6.5 or earlier versions.
-V (60 | 65 | 70)
Use the data types in earlier versions of SQL Server to perform large-capacity replication. This option is used with the character (-c) or local
floor and floor (n) values are the largest integers less than or equal to the value n (SQL can also be used)The length function in oracle is len in SQL Server.In oracle, The datalength function in sqlserver is datalength.Change the lob_to_char function in oracle to convert (char, opertime, 120)Change the to_char function in oracle to
format:
CONVERT (Data_type,expression[,style])
Description:This style is generally in the type of time (datetime,smalldatetime) and String type (Nchar,nvarchar,char,varchar)
When they are converted to each other.
Example:SELECT CONVERT (varchar), GETDATE (), () now
The results are:
Now
---------------------------------------
|09/15/2001
The style number has the following meanings when converting time:
expression: Data_type The data types provided by the target system, including bigint and sql_variant. You cannot use a user-defined data type. Length Optional parameters for nchar, nvarchar, char, varchar, binary, or varbinary data types. Style A date format style whereby DateTime or smalldatetime data is converted to character data (nchar, nvarchar, char, varchar, nchar, or nvarchar data type) or a string format style that will float, Real, money, or smallmoney data is converted to character
These functions in fact, many online data, but in order to facilitate their own memory, I still decided to write a bit, all say good memory than bad writing, so or write a bit more.The cast () function essentially converts one type to another, such as converting a string type to a time type: SELECT CAST (' 2011-10-2 ' as datetime), or convert the numeric type to a string type: SELECT CAST (1 as BIGINT) Th
In SQL Server, I often need to perform some time-type field conversions, but I don't quite remember it. So I collected the following sqlserverconvert datetime-related materials and posted them on my site, it is convenient for you to search for it later. I hope it will be helpful to you.
Set the value of the [datetime] field of the table in SQL Server to '2017-11-07 16:41:35. change 033' to '2017-11-07 00:
How to use SQL statements to convert rows and columns
Row-to-column conversion is a common requirement in the database system. During database design, in order to fit the accumulated storage of data, direct record is often used, while displaying data, you want to organize all records and display them in a transpose manner. Figure 9.1 shows the row/column conversion function.
Figure 9.1 re
Label:SQL Server Enterprise Edition is supported for online index rebuilds. So how does an online index rebuild work and how does it affect our queries?Since it is online, SQL Server keeps the existing index available to the user, which means that it does not modify the existing index and its associated statistics. The
Tags: system val SQL numeric GPO conversion nvarchar diff lisCONVERT (varchar (10), field name, conversion format)Convert is a date conversion function, which is typically used when the time type (Datetime,smalldatetime) and the string type (Nchar,nvarchar,char,varchar) are converted to each other. The 3 parameters of the function: The 1th argument is the converted large, the 2nd is the field or function of
Methods for importing SQL files into PowerDesigner (convert Oracle SQL files to MySQL)The method of importing the database structure of the Xxxxxx.sql file into PowerDesigner is as follows: First step: The table structure of all tables of the library to be imported (no table data, as long as the table structure) is exported as a.
How to convert SQL statements written in asp into php? setrs = server. createobject ( quot; adodb. recordset quot;) 'create rs object setrsuser = server. createobject ( quot; adodb. how can I convert SQL statements written in asp into php statements?
Set rs = server. createobject ("adodb. recordset") 'create an rs obj
In fact, the basic common steps of the two are simple 3 steps:
1, transforming the MDB database into SQL SQL Tools has2, change the database link string below for code:
Set conn=server.createobject ("ADODB. Connection ")Sql= "Driver={sql Server}; Server=xd-y1w9b7; Uid=sa; Pwd=sa;database=ljl "Conn.Open (
Some netizens say that C # is not supported. net or select VB. net, but I don't think that since it is learning new things, don't worry about how much is new. In fact, C # is generally case sensitive and has a semicolon (;), which is similar to VB. NET. In ASP, we can directly use recordset to read data, and then
Code Interspersed with If you want to read a record of data or a small amount of data, use datareader to collect data and assign the value to the text attribute of the label control.
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