Alibabacloud.com offers a wide variety of articles about convert mysql to postgresql, easily find your convert mysql to postgresql information here online.
'% 'PostgreSQL: SELECT *, (T. Category Code | | '-' | | T. Invoice number) as number from the account where username ~* ' Baidu ';Find information about all user names in the data table account that contain Baidu and are case-insensitive4. Determine nullOracle: SELECT productname,unitprice* (unitsinstock+NVL(unitsonorder,0)) from ProductsMySQL: SELECT productname,unitprice* (unitsinstock+ifnull(unitsonorder,0)) from ProductsSQL Server: SELECT prod
Tags: AC parameter memo factory tor param tis sql loadedMyBatis Run error message appears:May 23, 2018 12:07:22 am org.springframework.jdbc.support.SQLErrorCodesFactory Info: Sqlerrorcodes loaded: [DB2, Derby, H2, HDB, HSQL, Informix, Ms-sql, MySQL, Oracle, PostgreSQL, Sybase]This error is generally caused by an inconsistency between the input parameters of the SQL statement and the database table structure
In the development and project operations, the operation of the database is currently using client tools, such as the client tool navicat,oracle MySQL Client toolPL/SQL Developer, MSSQL Client Tool Query Analyzer, etc. At present, the majority of the use of C/s stand-alone client tools, to even the database of computers to install client tools,Navicat is also a good installation, and the Oracle Client tool installation is cumbersome.When the remote se
Splits strings. MYSQL version. Because MYSQL does not support recursion and does not support returning results of the table type, the code is cumbersome. I use two functions and a stored procedure. -- Obtain the total number of delimiters. DE
Splits strings. MYSQL version. Because MYSQL does not support recursion and d
-----------+---------------------------------------------------------------------------------------------------------------+-------------------------------+---------+---------------- gpcluster | DELETE FROM TABLE_NAME WHERE A = 1 | 2011-05-14 09:35:47.721173+08 | 17509 | 192.168.165.18(1 row)
Through the above, we can find that the above Lock keeps the statement hanging there. After the lock is completed, the application will soon run out.
Then, check the application code and find that
Label:The Treesoft database management system uses Java development, adopts the stable common Springmvc +jdbc architecture, realizes the maintenance management operation to the Mysql,oracle,postgresql database based on the Web way.Features include: Database display, library table display, table field structure display, SQL statement online editing batch execution, table structure of online design maintenanc
MySQL has a and excellent syntax create TABLE ... like, you can quickly copy a table and create a copy of it. PostgreSQL has a similar syntax and is more flexible, but pay attention to the details.Let's look at MySQL syntax: CREATE TABLE ... likeThe original table T1, the structure is as follows:+----------+------------------+------+-----+---------+--------------
Anyone familiar with MySQL may know that MySQL has an "insert ignore" syntax to ignore existing records. PostgreSQL does not currently provide such syntax, but it can be replaced by other methods.
T_girl = # \ d insert_ignore Table "ytt. insert_ignore "Column | Type | Modifiers ---------- + response + ----------- id | integer | not null log_time | time with
Anyone familiar with MySQL may know that MySQL has an "insert ignore" syntax to ignore existing records. PostgreSQL does not currently provide such syntax, but it can be replaced by other methods.
The following shows the sample table structure and data for this demonstration.
t_girl=# \d insert_ignore Table "ytt.insert_ignore"
Feature comparison
PostgreSQL
Mysql
Comments
command-line shortcut keys
Rich
Lack
SQL Parallel execution
Y (9.6)
N
REPL Parallel execution
N
Y (5.7)
Condition/expression (function) index
Y
N
Version Branch
Basic stability
Branch multipl
Splits strings.MYSQL version. Because MYSQL does not support recursion and does not support returning results of the table type, the code is cumbersome. I use two functions and a stored procedure.-- Obtain the total number of delimiters.
DELIMITER $$CREATE DEFINER=`root`@`%` FUNCTION `func_get_split_string_total`(f_string VARCHAR(1000),f_delimiter VARCHAR(5)) RETURNS INT(11)BEGIN -- Get the total number of given string. RETURN 1+(LENGTH(f_string) -
PostgreSQL, Oracle, and MySQL use data dictionaries to obtain the table structure. The schema name and table name are required.
PostgreSQL:Select a. attname, pg_catalog.format_type (A. atttypid, A. atttypmod) as data_typeFrom pg_catalog.pg_attribute,(Select C. OIDFrom pg_catalog.pg_class CLeft join pg_catalog.pg_namespace nOn n. OID = C. relnamespaceWhere (C. relname) = lower ('cxf ')And (N. nspname) = lowe
Update NBearLite to v1.0.0.6 beta
Fully supports SQL Server, Oracle, MySql, and PostgreSql database Stored Procedure Call code generation (C #/VB. NET) and various parameter types such as input, output, and return.
Sub Query is supported.
Save able/DataRow is supported.
See: http://www.cnblogs.com/teddyma/archive/2007/07/20/825384.html
Introduction
Use nbearlite.querycolumnsgenerator.exe and specify the tar
Comparison of Oracle, mysql, sqlserver, and postgresql statements
1. Paging
Oracle:SELECT * FROM (select a. *, rownum rn from (select T. * from sj_receiptinfo t WHERE t. taxno like concat ('%', CONCAT (?, '%') Order by t. id desc) a where rownum
Mysql:Select * from tableName where condition limit (current page number * Page capacity-1), page capacity pagesize
SqlServer: SELECT w2.n, w1. * from article w1,
Open source database H2, HSQLDB, DERBY, PostgreSQL, MySQL difference/Compare chartThe wave of the end of the Bo Master translation:Referential Integrity Reference IntegrityTransactions ThingsUnicode Unified CodeInterface Command Interface interfaceData size DB Limit database limitstemporary table temporary tables supportMaterialized view materialized Views (snapshot)Indexes IndexUnion Union queryIntersect i
Can I convert a mysql database into a desktop database when PHP is used as a website using a mysql database? I developed a PHP-language Enterprise website using the mysql database and uploaded it to some space. it costs more to use the mysql database, how can I directly
Convert MYSQL databases that contain UTF8 and latin1 encoding. if someone asks me today, I just turn it around. it's very simple. here I will explain it.
Using phpmyadmin to import data to test, we found that the database contains UTF8 and latin1 encoding, as shown in figure
First, back up test as the test1 Database. in WIN, back up the test directory under path/M
Recently, I decided to transfer the MT background data from the Berkeley file DB to MySQL. One of the reasons is that relational databases can provide more flexibility, such as running an SQL statement to change a certain attribute of all entries. The other reason is to familiarize yourself with the database in advance, the dental website uses a virtual host. The database provided by DreamHost is MySQL. I u
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.