Categories
Database Development SQL

Postgresql returns a nano type output when executing the command \l (To list databases) [duplicate]

This question already has an answer here: After some commands terminal doesn't allow to write 1 answer With psql, how to make output of '\d {tableName}' remain in console? 2 answers How to get out of a select in PostgreSQL without exiting to the terminal? 2 answers PostgreSQL disable more output 6 answers I just […]

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Development SQL

SQL or django query to find the similar entries

I want to return the user a list of similar tasks. Two tasks A and B are considered similar if all the words in task A exist in task B or vice versa. I tried the query given below but couldn’t get the required result. SELECT t1.task FROM todolistapp_todo t1 LEFT JOIN todolistapp_todo t2 ON […]

Categories
Database Development SQL

Is this the perfect way to set up a database connection with Xamarin Forms and SQLite?

I have an application which works for most of the time but which stops working sometimes after 5-10 minutes. I’m trying hard to work out what’s wrong and to this end I would like to get some feedback as to if the way I am doing a database connection with the application is ideal. Here’s […]

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CMS Database Development Drupal SQL

Creating search form that will query SQL database and display results on a custom block

I am new to Drupal and have learnt about custom blocks. Basically, I am trying to create a search page where on the left column will have all the filter/search criteria. On the right column the results will be displayed in a specified format in a custom block. Not sure where to start on this […]

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Database Development JSON SQL

These days SQL databases can store JSON. Then why do we need NoSQL?

One of the advantages of NoSQL databases is to handle unstructured data. Since that issue is now resolved in SQL databases, is there any need left for NoSQL? Only advantage that I can think of is NoSQL is still better at scalability.

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Development SQL

How do I remove text from columns in HIVE (sql)

I am trying to import data from a CSV file (latlong.csv) and I want to remove all of the quotes from my columns. Please Refer to first image. First image This is the code I used to import the data CREATE TABLE IF NOT EXISTS latlong (COUNTRY String, ALPHA2 String, ALPHA3 String, NUMERICCODE String, LATITUDE […]

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Development SQL

How to retrieve and return an Image from SQLite? [duplicate]

This question already has an answer here: What is a NullPointerException, and how do I fix it? 12 answers I’m creating a method from my project that retrieves the image(BLOB) of a specific _id and return it. Here’s my method Image loadImage(String id) throws SQLException { String query = “SELECT ” + TABLE_BAND_INFO_COLUMN_PICTURE + ” […]

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Cache Development MySQL PHP SQL

php7.4 mysql seems not installed

I have just installed php7.4, everything seems ok but when I try to go on my phpmyadmin, I can’t : Note works fine in php7.3 before this installation The error is : mysqli_real_connect(): Unexpected server response while doing caching_sha2 auth: 109 mysqli_real_connect(): (HY000/2006): MySQL server has gone away looking my php mysql library :php7.4-mysql. it’s […]

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Development SQL

SQL Hierarchical Query [closed]

I need to write Sql Server Query To display the employee details and employees who was assigned under him simply What i need is the hirarcy of all employees working uder any perticular employee.. For example: What are the names of employess who are under ‘B’ employee table Id name supervisor A aaa. Null B […]

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Database Development MySQL SQL

connection to a remote mysql database using node

Good mornig to you guys. I want to establish a connection to a remote mysql database using node js. but i am facing this error. I do not know if I wrongly specifies the access path to the db code var mysql = require(‘mysql’); var pool = mysql.createPool({ host: “http://kamerun-it.com/mysql“, connectionLimit : 100, database: “****”, […]