convert oracle to postgres

Tags: Oracle online convertBefore the Oracle12.2 version, if you want to convert a non-partitioned table to a partitioned table, there are several ways to do this: 1. Build the partition table and insert the data into the partition table with the INSERT into SELECT, 2, use the method of online redefinition (dbms_redefinition). Their currency is: the first method, if the table has frequent DML operations, es

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

Tags: Oracle number format conversionIf the Oracle database Time field is set to "number" type, the query time column will be displayed as a numeric value, such as "1241450728000" style, not readable, and if "2009/5/4 15:25:28 "The style update time will prompt" Ora-01722:invalid number "and cannot be updated.At this point, we need to format the conversion, the example is as follows:--date to Long example s

Convert string to clob in the project /** * Convert string to clob.* @ Author zhaohr* @ Param sort* @ Throws classnotfoundexception* @ Throws sqlexception*/@ Suppresswarnings ("UNUSED ")Public int insertsortwithstr2clob (sort) throws classnotfoundexception, sqlexception {// Todo auto-generated method stubDrivermanager. registerdriver (New oracledriver ());String url = "JDBC:

First, we will introduce how to convert rows into columns, Oracle row-to-column conversion is common. Common examples on the Internet are as follows: Grades table: Student subject grade Student1 language 80 Student1 mathematics 70 Student1 English 60 Student2 language 90 Student2 mathematics 80 Student2 English 10 Convert Chinese, mathematics, and English Student

How to convert timestamp (milliseconds to 1970-1-1) to Oracle date type * Convert timestamp to date Select to_date ('1970-01-01 00:00:00 ', 'yyyy-mm-dd hh24: MI: ss') +3600000/86400000 as timestamp from dual Timestamp ----------------------------- 01:00:00. 0 * Convert date to Timestamp Select (To_date

Many data conversion and processing operations may encounter the need to convert 0.007007040000 to 0.70%. We can use the Oracle SQL function to_char to achieve this conversion. This Many data conversion and processing operations may encounter the need to convert 0.007007040000 to 0.70%. We can use the Oracle SQL functi

A very powerful function in Oracle is to convert functions written in Java into functions in Oracle databases. after conversion, we can use it like a common function. because Oracle is developed in Java, it is naturally compatible with Java. let's talk about the specific operation. for example, create a function to gen

When converting Oracle strings to TIMESTAMP or Date types in practical applications of computers, we need to use Oracle-related functions. In this process, we need to involve a lot of string applications, next let's take a look at the practical application of Oracle String Conversion! Use Oracle functions: TO_TIMESTAMP

In oracle, convert columns to the wm_concat function after 10 Gb rows in oracle. Use the test data to create table test (id number, name varchar2 (20); insert into test values (1, 'A'); insert into test values (1, 'B'); insert into test values (1, 'C'); insert into test values (2, 'D'); insert into test values (2, 'E'); www.2cto.com effect 1: SQL> select wm_conca

Several Methods to convert a common Oracle table to a partitioned tableThere are four ways to convert a normal table to a Partition table: 1) Export/import method 2) Insert with a subquery method 3) Partition exchange method (SWAP Partition) 4) DBMS_REDEFINITION (online redefinition) Steps for exchanging partitions: 1) create A partition table, assuming there are

Oracle rows and columns convert column names if they are numbers, enclose the following in double quotation marks:--Build a tableCREATE TABLE Workinfo(WID Integer PRIMARY key,Sid Integer,CONSTRAINT SID foreign Key (SID) references student (SID),City Nvarchar2 (,--) Employment citiesWage number (10,2),--monthly SalaryWorkdate Date,--Employment timeEid Integer,CONSTRAINT Eid foreign Key (Eid) references Emp (

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

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. sql file.Step two: Find File >> Reverse Engineer >> Database in Powerdesinger,

ordinal. Time range under 24-hour system: 00:00:00-23:59:59 Time range under 12-hour system: 1:00:00-12:59:59 Like what: Select To_char (sysdate, ' Yy-mm-dd hh24:mi:ss ') from dual//display: 08-11-07 13:22:42 Select To_date (' 2005-12-25,13:25:59 ', ' Yyyy-mm-dd,hh24:mi:ss ') from dual//display: 2005-12-25 13:25:59 And if the writing: Select To_date (' 2005-12-25,13:25:59 ', ' yyyy-mm-dd,hh:mi:ss ') from the dual, will be an error, because the hour HH is 12 binary, 13 is illegal input, can not

This is an oracle-defined function. how can we convert it to mysql worker (in_taskIdvarchar2, in_work_novarchar2) returnvarchar2isv_sumnumber (10); -- Average quality inspection completion quantity v_numNUMBER (10 ); -- individual QC completion quantity v_qualitied_cntNUMBER (10); v_resultvarchar2 (20); -- 0 exception, 1 is higher than the average... mysqloracle functions This is a custom

Label:If the C_xml field in the tab table turns out to be a blob type, we will convert it to the CLOB type, and if there is data in the table, it cannot be modified directly through the alert statement. You can change the field of a BLOB type to the CLOB type by using the following method. First create a function in Oracle with the following code: --Create the function of the blog converted to CLOB first CR

The following article mainly introduces how to use Oracle SQL statements to convert between systems. This article uses the actual code to implement conversions between systems. Based on the actual example, you can change the base number of power to the corresponding base number. The following describes Oracle SQL statements: This article is just an example. You c

Convert String to CLOB in the project/** * Convert String to CLOB.* @ Author ZhaoHr* @ Param sort* @ Throws ClassNotFoundException* @ Throws SQLException*/@ SuppressWarnings ("unused ")Public int insertSortWithStr2CLOB (Sort sort) throws ClassNotFoundException, SQLException {// TODO Auto-generated method stubDriverManager. registerDriver (new OracleDriver ());String url = "jdbc:

AnimalID Name1 dog1 cat2 LionHow do I get the name list with the same ID? That is, you want the list of ID 1 to be dog, cat format.1. First Oracle has a method, Wm_concat ()Select a.ID, Wm_concat (a.name) as Namelistfrom animal Agroup by a.ID But unfortunately, this method is now out of support. 2. The second method is Xmlagg () Select a.ID, (RTrim (Xmlagg (XmlElement ("xml", a.name| | ', ') Order by a.id). Extract ('//text () '), ', ') as NamElistfro