I am currently using the H2 memory database for my website. Everything is working so far but to progress my teacher said to transition from the h2 database to a SQL since it resets everytime you restart the program. I was wondering if I transitioned, would it mess up any of my logic / code. I know I would have
Tag: database
Is using LIMIT in SQLite gives the data or rows in “FIRST IN FIRST OUT” basis?
I am using SQLite in my Ionic project, I am saving my Log Files in SQLite server, for this I want to limit the .db file with only last 2000 data values in FIRST IN FIRST OUT basis, does using LIMIT 2000 will give me the last 2000 values stored or the first 2000 values I have stored (which is
I am having issues with a syntax error in PostgreSQL. I am trying to add a query and it is giving me an error
I am taking a Data Analysis Course on Udemy. I am using PostgreSQL. On one of my exercises, I tried to add a column of data and recieved a Syntax Error Message. Here is a screen shot of my code: can …
How to to create a new identifier in SQL for related addresses that have multiple relationships?
I have a data set like below that includes address and customer_id. In this example multiple customers can ship to the same address and a customer can ship to multiple addresses. I would like to use the relationships between these to create a new ID that joins all of the related addresses and customer_id’s with a new identifier. Original Table
Creating JDBC Application
I have this piece of code: but I have this error: Answer Since you commented out your print statement, your loop is now closing the connection (and all of its dependent resources). Your code, without the commented out line:
Rows with duplicate column values
I am pretty sure there are rows with duplicate column values in the table: SELECT TenancyReferralKey, FromDate, ToDate, ToDate_Value, ReferralID, ReferralFor, …
It is possible to create an Subdatasheet in ODBC?
Basically, I’m trying to manage a stock warehouse, and what I’m curious about is that it is possible to implement subdatasheet inside the linked table? I have found multiple of articles regarding to …
Create a table for following condition
condition for the problem to be solved: The code i tried to do is I couldn’t solve the first condition and so i am getting right parenthesis missing for final condition Answer I would translate your requirement as follows: Changes to your original code: you want NUMERIC rather than NUMBER ArCode must be declared as PRIMARY KEY, and needs a
Delete xml node with a specific CDATA
This is part of my XML: I need to delete the EO node with <![CDATA[0001FFFFFFFF]]>,across the table using Oracle. This xml is stored in XM_DATA_CACHE of XMLTYPE. Is there a way to delete based on CDATA Final output should be Answer First of all your xml is broken: second tag GoalMeasurementEORow is not closed and also since that is just
Calculate sum of price from 2 table sql server
After asking about calculate the sum of the total price here and Its work but then went I add(SUM(PRICE*AMOUNT) AS TOTAL_PRICE) to create my own View, the Total_price = Expr1, It just PRICE * AMOUNT, there is no sum here. I apply It to create a view here is the query Here is the output Could anyone help me out