convert mysql to postgresql

First of all, we need to understand the IP address conversion to the integral type (strictly speaking is a long integer) the principle of ~ "Principle of conversion": assuming the IP is: w.x.y.z, the IP address to the integer number of the calculation formula: Intip = 256*256*256*w + 256*256*x + 256*y + Z "PHP to go with each other": PHP is a simpler way to convert, with two functions built into itint Ip2long (string $ip _address) and string Long2ip

mssql_query ("set textsize 65536.3. there are two problems with different field types in the two databases. One is that the maximum length of a field is supported to avoid being truncated during database insertion, another problem is the date format. I prefer UNIX timestamps. When connecting to MSSQL, you can use "select unix_timestamp (created) from news" to convert DATETIME to MYSQL timestamps in MSSQL.

I have a website that was previously created using asp.net. The database used is sqlserver, and I plan to use the PHP + MYSQL architecture. Because the original site has a certain ranking, a direct revision will lead to many error pages. It takes a long time for the website ranking and indexing results to be restored, and there is a large amount of data in the original website, manual conversion is not realistic. So now we need a transfer scheme to

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 local SQL Server, and I tried to go to local

20 rows of statements are converted from Excel to mysql. Since I had some knowledge of php and mysql, I have been very keen on sharing confidential commercial data with the company's huge Excel database, as I thought about how to get a hand, since I had a certain understanding of php and mysql, I was very impressed with the company's huge Excel database, I want t

Tags: using class Select ARC ESC varchar datetime signed TypeMySQL provides us with two types of conversion functions: cast and convert, how can we let go of the ready-made stuff? 1 BINARY[(N)] 2 CHAR[(N)] 3 DATE4 DATETIME 5 DECIMAL 6Signed[INTEGER] 7 Time8UNSIGNED[INTEGER] Example: --use cast to convert varchar to int type sort Select server_id from cardserver where game_id = 1 order by CAST (server_id a

) +------------------------+| CAST (' 3.35 ' as signed) |+------------------------+| 3 |+------------------------+1 row in SetAs in the example above, the varchar is converted to int with cast (a as signed), where a is a varchar-type string.Example 4In SQL Server, the following code demonstrates the result of a DateTime variable that contains only a single date and a simple time when the date stores the hexadecimal store representation.DECLARE @dt datetime--Simple date set @

Import SQL files into powerdesigner (convert Oracle SQL files to MySQL) Set xxxxxx. the procedure for importing the database structure of the SQL file to powerdesigner is as follows: Step 1: export the table structure (no table data, as long as the table structure) of all tables in the database to be imported into one. SQL file. Step 2: Find File> reverse engineer> database in powerdesinger. For

In mysql, how to query all fields and convert one of the fields? for example, select * fromtablewhereid1. in table, a date field needs to be converted to stringDATE_FORMAT (updateTime, #39; % Y-% m-% d % H: % I: % s #39;) asupdateTime indicates that each field is not typed, is there any other way to process the date ???, If the field is too much trouble, the SQL statement will still have a long selectupda

In the development process, we often save the number of milliseconds in the date and time to the database, but the corresponding time seems very inconvenient, some functions can be used to convert data in milliseconds to the date format. 1. in MySQL, there is a built-in function from_unixtime () for conversion, using the following: Mysql> select from_unixtime

Use the datetime type to store the time in the MySQL database, use Resultset.gettimestamp () When reading this field in JDBC, and get a java.sql.Timestamp type of data. Neither resultset.getdate () nor resultset.gettime () can be used here, as the former does not include the time data, which does not include the date data.However, it is not completely secure when using Resultset.gettimestamp (), for example, when a field value of type timestamp in a d

A few days ago, the system was migrated from oracle to mysql. Many statements are relatively simple, that is, some function modifications, such as to-date. A few days ago, the system was migrated from oracle to mysql. Many statements are relatively simple, that is, some function modifications, such as to-date. Convert some statements from Oracle to

length to support the field to avoid inserting the database is truncated, the other is a date format problem, I prefer to use the Unix timestamp. In even MSSQL time can use "select Unix_timestamp (created) from news" to implement the DateTime in the MySQL inside the time stamp conversion. However, when migrating all the fields in the table at one time, there is no simple "select * from news" approach like the above, and you need to list all the field

Convert these files to. sql scripts with a local MySQL database1, install MySQL, version and font to be consistent with the server, otherwise garbled.2, with the CREATE DATABASE NAME; command to create a databaseMySQL data has the name folder3. Copy the *.frm,*.myd,*.myi file to the Data folder.4, cmd into the bin directory of

Remove latin1 encoded characters from MySQL, display garbled output, PHP How to convert to UTF8 format? Reply content: Remove latin1 encoded characters from MySQL, display garbled output, PHP How to convert to UTF8 format? PHP itself only supports Utf-8 iconv("GBK//IGNORE", "UTF-8", $content); Database Ed

There are many methods to convert an Access data table to a mysql DATA table and search for it online. However, my method seems extremely simple. Export an excel file in access and import it to mysql. Mysql's visual operation tool is really simple! Specific practice: www.2cto.com 1. In the access table, select File> export> Save type> excel> Fill in file name 2.

When you use. NET connector to connect to the MySQL database and retrieve some data, you may get an error message:"Unable to convert MySQL date/time value to System.DateTime"This is because there are "0000-00-00" data values in the Date column to fix this problem, you can either set the data to null or set "Allow Zero datetime=true" in the connection stringCases:

Ask the predecessor time stamp to convert PHP into date and use MySQL function to convert to date inconsistent problem

) {this.city = city;}}STEP 3. Call Formsqlbuilderperson form = new Person ("Jack", "$", "NY", 1); Formsqlbuilder B = new Formsqlbuilder (form, "global"); B.addlimit (1, 20); Sqlandparams s = b.build (); System.out.println (S.getsql ()); for (Object V:s.getparams ()) {System.out.println (v);}Console outputSELECT * from who WHERE name like? And city like? and Active_status =? and age =? LIMIT 0,20jackny136More specific about the Syntax and optional values for rules Use of wildcard ch

statistical data is required to generate a simple report tonight. The original table data is in the form of a single row. It is recommended to convert it to the List format. The method described on the internet is as follows: For the final results, see: + ------- + ------ + ------- + -------- + ------------------- + --------- +| Room | Rent | Water Fee | Electricity bill | Health fee | TV fee | Network fee | recorded time | T