Create adualTable in PostgreSQL Yes, the solution to this compatibility issue is as simple as creating adualtable in the PostgreSQL database, just like the one in Oracle. We can do this in the following way: CREATETABLEpublic.dual ( dummyvarchar); ...
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It depends on what a user or business expects from their database and the costs or complexity they will bear as they scale to meet future demands. While there are many reasons to remain with Oracle, businesses might switch to PostgreSQL if they want better control and agility over their data...
Another “dumb”, yet a bit more generic solution would be to create only a certain amount of constant values in a table, view or CTE (e.g. two) and then self join that table enough times to reach the desired range length (e.g. four times). The following example will produce values...
Before Oracle 12c, we don’t have a direct method of generating an AUTO_INCREMENT column in a table. We need to use the combination of Sequences and
In this article, we will approach the task of choosing a data visualization based on the type of task that you want to perform. Common roles for data visualization include: showing change over time showing a part-to-whole composition looking at how data is distributed comparing values between ...
You can create a Visual Studio Setup Project to create a setup which will install your application and database. You will have to write code in custom action to create database from setup https://techbrij.com/install-sql-server-database-with-visual-studio-setup If you are using Visual ...
Use PL/SQL and the internal package DBMS_SQL_TUNE to create a tuning task. Type this: DECLARE l_sql VARCHAR2(500); l_sql_tune_task_id VARCHAR2(100); BEGIN l_sql := 'SELECT first_name, last_name, department_name ' || 'FROM emp JOIN departments USING (department_id) ' || ...
19) Since there are no sequences in MySQL, and the MySQL LAST_INSERT_ID() function only returns values on the last insert statement, change Oracle stmts like - SELECT SOME_SEQ.NEXTVAL FROM DUAL; To this in MySQL - SELECT MAX(SOME_COL) + 1 FROM SOME_TABLE; ...
First of all, thanks for your tremendous contribution to the Oracle Community in helping people like us solve day to day Oracle replated problems. I have a small problem. Here are the details: CREATE TABLE T ( HS_ID NUMBER(20) PRIMARY KEY, ...