#sqlite

[studentbyday]

day 43 // 100doc

finished sql lab

finished movies problem

worked on fiftyville - gotta check my queries tmr bc I don't get the right answers...

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[assignmentassists]

Summer Course help

Hello does anyone need help in their summer courses. assignmentassists is here to guarantee you A++ in all your courses

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[kindspirittechnology]

One more way to create table.

#youtube #programming #technology #tutorial #sql course #sqlite

[microcodesblog]

key concept in RDBMS

Keys – A key refers to an attribute/a set of attributes that help us identify a row (or tuple) uniquely in a table (or relation). A key is also used when we want to establish relationships between the different columns and tables of a relational database.it helps to identify a table’s record.

Super key – these are key/keys which using we can uniquely identify any table’s record uniquely.

Candidate key – candidate key is an alternative key of primary key. Using this key we can identify any table’s record uniquely. In table/relation candidate keys may be one or many attributes.

Composite key – using this key we can identify any table’s record uniquely. In table/relation these are attributes which helps to do this. We need at-least two attributes for composite keys.

Primary key – using this key we can identify any table’s record uniquely.

Foreign key – if there are two relations/tables which have the same primary key relation, then the master table’s primary key foreign key will be another child table primary key.

Important notes –

Primary key is always one/single and it can’t be a NULL state.

Super key can be one or many in the table as attributes.

Composite key will be at-least two attributes in a table/relation.

Candidate key can be one or many.

Constraints – these are some rules which apply on attributes of a relational table, to restrict user’s input data.

There is much type of constraints there –

NOT NULL constraint – if we restrict any table’s field can’t be empty, then we can use this constraint.

Unique constraint – if we restrict any table field need to maintain unique value each time, then we could use this constraint.

Default constraint – if we want any field get default value each time.

Check constraint – it checks some conditions depending upon user inputs.

Read more: http://dbms.microcodes.in/index.php/basics/keys-concepts/

#learn sql #dataanalytics #sqlite #dbms #coding #programming

[techgeecs]

Best Python training course in Chandigarh Mohali Panchkula

TechGeecs Inc. is the provider of the best Python training course in Chandigarh Mohali Panchkula. This Python Training course in Chandigarh’s Python programming language is a one-stop solution; also, Python Training Course in Chandigarh can be used for

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[stebra00]

New Server Update (v0.2).

Close to the conclusion🥳.

#python #python3 #apache #html #css #windows 10 #sqlserver #sqlite #programming #software engineering #development

[paolo-redaelli]

DuckDB as the New jq

Recently, I’ve been interested in the DuckDB project (like a SQLite geared towards data applications). And one of the amazing features is that it has many data importers included without requiring extra dependencies. This means it can natively read and parse JSON as a database table, among many other formats. I work extensively with JSON day to day, and I often reach for jq when exploring…

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#JSON #SQL #Sqlite

[sumita-sengg]

To know in-depth knowledge on SQL Server Coalesce : A Powerful Function, check the link given below:-

https://madesimplemssql.com/sql-server-coalesce/

#sql #sqlserver #technews #microsoft #sqlite #database

[azcode]

#sqlite

[whotooed]

Learning python is Fun™, but gods, please don't make me use the sqlite3 library for twelve seconds more.

I have been trying to access a database, and it works fine, but only when I created the database within the same instance of python! Even after I've closed the connection and make a new one, it works fine, but OH YOU WANT TO OPEN THE SAME DATABASE IN A DIFFERENT INSTANCE? NO.

#python #SQL #sqlite #please help I really want to get this working but it keeps telling me that the database is locked in the error messages

[sudarshanvis]

Flutter CRUD Operations SQLITE Tutorial | Devhubspot

#youtube #crud #sqlite #flutter #fluttershy #flutter app development #devhubspot

[gocodesolution]

Flutter CRUD Operations SQLITE Tutorial | Devhubspot

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[devhubspot]

Flutter CRUD Operations SQLITE Tutorial | Devhubspot

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[hayageek]

[Resolve] SQLiteCantOpenDatabaseException in SQLite Databases

The “SQLiteCantOpenDatabaseException” is an error that occurs when an application is unable to establish a connection to an SQLite database. This issue is commonly caused by issues with the database file’s accessibility, corruption, or improper handling by the application. Table of Contents Introduction to the Error Common Scenarios Debugging Process Identifying the Reason Resolving the…

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#sqlite

[techsmarts]

Each user has their own SQLite file that stores their repo and private account state.

It looks like Bluesky Social is going to manage each user's repo in their own dedicated SQLite database. That's a lot of databases. But not really. It's just a lot of files. It's a very interesting way of dealing with data at scale and I can already think of some usecases to explore with some of my projects.

Pds sqlite refactor by dholms · Pull Request #1705 · bluesky-social/atproto

#sql #sqlite #scalability #serverless

[geek-cc]

Recently revised a side project using Sql.js plugin. Updated Sqlite web tool from using ASM to WASM plugin version. Standalone. No server required.

Posted here.

#web app #technology #programming #web application development #productivity #data analytics #database #tech #sqlite #webassembly #javascript