sql

#postgresql query that returns active queries. #sql https://images.d.buzz/sql-active-queries.png.png Posted via D.Buzz

... This means that the primary key will be changed unless you specify it directly. Use INSERT ... ON CONFLICT DO UPDATE to keep the old...

Hi Everyone ❗❗ Especially HiveFest 2024 visitors who are interested in simplified and efficient application development for Hive Platform...

#sqlite has implicit ROWID/OID integer column. #sql https://images.d.buzz/SQLite-Autoincrement.png.png Posted via D.Buzz

... (column)` syntax. #sql #postgresql https://images.d.buzz/sql-distinct-on.png.png Posted via D.Buzz

Converting json to columns in #postgresql #sql https://images.d.buzz/sql-jsonb-to-record.png.png Posted via D.Buzz

List size of #postgresql tables and their indices order by the latter. #sql https://images.d.buzz/pg-sql-table-sizes.png.png Posted via ...

This one does not spark joy. #ocaml #sql https://images.d.buzz/sql-exec.png.png Posted via D.Buzz

INTRODUCTION My name is Chaitanya Sharma and I, along with my hackmates, Introducing the Eco Guardian Battery, the next generation of e...

Composite Primary Key 用两个column作为primary key foreign key is the column used to connect 2 tables in order to create cross referencing betw...

Relation = A relation represents a file that stores data. It’s also known as a table. Domain = The domain is a set of acceptable values t...

Create table cart_order( order_id INT, customer_id INT, product_id INT, quantity INT, order_date DATE, status VARCHAR(100), PRIMARY KEY (...

Select * From student_tbl (table name) Where faculty LIKE 'Sc%' ; within the faculty column that start with Sc followed by any number of ...

DML and DDL are both subsets of SQL (Structured Query Language) used for database management, but they serve different purposes: DDL (...

A database interprets and make sense of SQL instructions with the use of a Database Management System or DBMS. As a web developer, you'll...

Relational databases that are widely used even at present only allows to store structured data. Later on, there was a need to work more a...

Lets Learn to Code The Learn2Code Tribe invites people to discuss and learn computer coding skills. The name of the tribe begs the quest...

My First Post in the Learn to Code Tribe was titled White Space Wars. White Space is the area around the code. Coders should be attentiv...

SQL databases often hold essential information ranging from customer details to transaction records. Unfortunately, data loss can occur d...

Fizzbuzz in #sql https://images.d.buzz/fizzbuzz-sql.png.png Posted via D.Buzz

My kneejerk reaction is that GroupBy in Postgres is just broken. This is obviously not the case, instead I just don't understand the prob...

... personal life like a pro. #WorkLifeBalance #SQL #Trading Posted via D.Buzz

... database. 🕰️ The WHERE condition query was lightning-fast in just 20 seconds, but the delete operation seemed to take an eternity. ⏳ ...

最为一名伪技术博主，最近输出的内容竟然没有几篇和技术相关的，我深表惭愧。恰好这两天发现了一点好玩的东西，分享给大家。 (图源 ：pixabay) 话说，在查询HIVESQL的Comments表时，发现其中竟然保存了每篇文章的投票信息，咦，这就有意思了，比如我们可以通过这个...

这两天在用HIVESQL查询时遇到个有意思的小问题，那就是当字段名为SQL关键字时，会被提示语句不正确。 (图源 ：pixabay) 比如下面这条语句： SELECT TOP 20 * FROM txtransfers WHERE from = 'binance-ho...

Hey there! How are you all? I know I've been away for a while, but there's a good reason for it. I've been fully immersed in honing my sk...

Cross-platform tools take it a notch higher by allowing users to work across different operating systems like Windows, macOS, or Linux wi...

Check if the process is still fine after database changes

Check if the process is still fine after database changes

Hello Hivers, developers and all others, in this post I explain, how I got an HiveSQL account, installed a SQL client and executed my fir...