Step 1: Use the desktop icon to launch Oracle SQL Developer. Step 2: Select the Connections option under View. Step 3: Right-click Connections in the Connections tab and choose New Connection. You’ll see a window asking you to choose a new database connection. Step 4: Fill in the corr...
Considering only the DML activities for triggering autovacuum can only solve part of the problem because autovacuum has a lot more things to do than just handling dead tuples. The most important and crucial thing is the FREEZE operation / Table age. So it is quite normal to see tables get ...
[A]MySQL.Data.MySqlClient.MySqlConnection cannot be cast to [B]MySQL.Data.MySqlClient.MySqlConnection. [C#] How to make the Console Process delay [C#] Oracle.DataAccess issue - Unhandled exception of type System.TypeInitializationException occured in mscorlib.dll [C#] Regex - Best Validation of...
Theeffective_cache_sizeparameter estimates how much memory is available for disk caching by the operating system and within the database itself. The PostgreSQL query planner decides whether it’s fixed in RAM or not. Index scans are most likely to be used against higher values; otherwise, sequen...
description => 'Tuning task for an EMP to DEPARTMENT join query.'); DBMS_OUTPUT.put_line('l_sql_tune_task_id: ' || l_sql_tune_task_id); END; / You should see the following: PL/SQL procedure successfully completed. In the preceding command, note the TIME_LIMIT of 60. That limits...
You can test or tune your program unit performance in Oracle forms with Ora_Prof package. Suppose you have created to procedure to perform a single task with different logic and you want to check exactly which procedure is performing well. See the below example: ...
I am currently migrating my asp.net project to asp.net core as per my clients requirement and I am stuck with a specific part for which i will need your help of. I am using the following piece of code to retrieve the SQL to the DTO on the BLL. result.data = _dbContext.Databas...
1. You can use SELECT with DISTINCT to find only the non-duplicate values from column “col1”: postgres=# select distinct(col1) from test order by col1; col1 --- 1 2 3 (3 rows) 2. SELECT with DISTINCT can also be used in an SQL inline query: postgres...
RLHF was used to fine-tune OpenAI’s GPT 3.5 model to help create the ChatGPT chatbot that went viral. But how did the model answer my question? It’s a mystery. Here’s how Thompson explains the current state of understanding: “There’s a huge ‘we just don’t know’ in the ...
You’ll briefly go more into time complexity and the big O notation to get an idea about the time complexity of an execution plan before you execute your query; Lastly, You'll briefly get some pointers on how you can tune your query further. Are you interested in an SQL course? Take ...