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‎.env.example

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CONNECT_TO_MONGODB

‎.gitignore

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.DS_store
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.venv
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.env

‎MongoDB_CLI/main.py

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import os
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# Accessing environment variables and connect to MongoDB
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connect = os.getenv("CONNECT_TO_MONGODB")
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# Create a new folder collection in the database:
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command = 'db.createCollection("trees")'
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# Insert a new document into the collection:
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command = """db.trees.insertOne({
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"name": "Trees",
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"description": "Collection of information about trees",
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"contents": ["Oak", "Maple", "Pine", "Birch"]
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})"""
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# Insert documents for trees with properties
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command = """db.trees.insertMany([
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{"name": "Oak", "age": 50, "features": ["tall", "strong wood"]},
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{"name": "Maple", "age": 40, "features": ["colorful leaves", "syrup production"]},
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{"name": "Pine", "age": 30, "features": ["evergreen", "pine cones"]},
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{"name": "Birch", "age": 35, "features": ["distinct bark", "graceful appearance"]}
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])"""
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# Find a tree document by its name:
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command = 'db.trees.findOne({"name": "Oak"})'
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# Find all documents in the collection:
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command = "db.trees.find({})"
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# Update the age of a tree document:
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command = 'db.trees.updateOne({"name": "Oak"}, {"$set": {"age": 50}})'
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# Add a new feature to the list of features for a tree by its name:
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command = 'db.trees.updateOne({"name": "Oak"}, {"$push": {"features": "thrives in acidic soil"}})'
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# Delete a tree document by its name:
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command = 'db.trees.deleteOne({"name": "Oak"})'
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# Delete all documents from a collection:
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command = "db.trees.deleteMany({})"

‎PostgreSQL/SQL_commands/add/new_task_for_a_specific_user.sql

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-- INSERT INTO tasks (title, description, status_id, user_id) VALUES ('New Task', 'Task Description', <status_id>, <user_id>);
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INSERT INTO tasks (title, description, status_id, user_id) VALUES ('Wash the dish', 'Take it, wash it, dry it', 2, 4);
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-- id|title |description |status_id|user_id|
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-- --+-------------+-------------------------+---------+-------+
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-- 21|Wash the dish|Take it, wash it, dry it | 2| 4|

‎PostgreSQL/SQL_commands/add/user.sql

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INSERT INTO users (id, fullName, email) VALUES ('11', 'Tory Drake', 'torydrake@example.com ');
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-- id|fullName |email |
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-- --+----------------+-------------------------+
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-- 3|Steven Jacobs |robertcruz@example.net |
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-- 5|Gabriel Kent |tracymorgan@example.com |
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-- 6|Jimmy Cross |thompsonbrian@example.net|
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-- 7|Blake Miller DDS|lewiseric@example.net |
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-- 8|Jeffrey Fisher |mathew72@example.net |
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-- 9|John Downs |matthew53@example.org |
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-- 4|John Green |davidtaylor@example.com |
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-- 1|Mike Cook |bryantteresa@example.org |
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-- 10|Emily Rose |juliehoward@example.net |
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-- 11|Tory Drake |torydrake@example.com |

‎PostgreSQL/SQL_commands/create_table/status.sql

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CREATE TABLE status (
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id SERIAL PRIMARY KEY,
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name VARCHAR(50) UNIQUE,
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CONSTRAINT valid_status_name CHECK (name IN ('new', 'in progress', 'completed'))
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);
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-- id|name |
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-- --+-----------+
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-- 1|new |
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-- 2|in progress|
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-- 3|completed |

‎PostgreSQL/SQL_commands/create_table/tasks.sql

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CREATE TABLE tasks (
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id SERIAL PRIMARY KEY,
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title VARCHAR(100),
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description TEXT,
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status_id INTEGER,
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user_id INTEGER,
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FOREIGN KEY (status_id) REFERENCES status(id),
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FOREIGN KEY (user_id) REFERENCES users(id)
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);
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-- id|title |description |status_id|user_id|
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-- --+---------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------+-------+
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-- 1|Speak new fact board difference executive. |Good share doctor home policy feeling pressure. Animal huge benefit may career section.¶Research force along finally above local already. | 3| 1|
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-- 2|Decision wide before loss. |Before price society simply plant debate smile. Money baby hotel forward particular worry contain.¶Scientist stop director strong. Card painting respond develop hour. | 1| 2|
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-- 3|Message western year him keep. |First each describe weight. Other level physical test. Activity become clearly help life employee a your. | 2| 5|
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-- 4|Evidence turn the recognize reason. |Study military end political cost. Identify loss company explain white. Someone describe simply during some television recently. | 1| 5|
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-- 5|Miss wall magazine. |Six alone include along. Show similar build range defense action. Throughout feeling hair seven pay long feel.¶Collection may fine onto recently hear spend. Thought few research available today yes.| 2| 1|
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-- 6|Prove major method mouth. |Him eye accept language. Nature student organization floor do discuss. Series relationship culture drive successful change off tax.¶Until short quite message top area fund. Glass group expert wish. | 1| 1|
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-- 7|Fire suggest to thus old she oil would. |Discover page fall official thank entire yet. Shoulder nature third their concern guy study leave. Strong ground small past though. | 1| 4|
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-- 8|Beyond short hold future within. |Draw others fight scene size.¶As send stuff drop black sort political. Hospital not arm need how meet upon here. | 2| 6|
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-- 9|Mention behind full hundred thousand mention.|Discussion from view section risk. Good build husband rich arm.¶Food care popular discover. Author follow school true drive smile. | 2| 1|
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-- 10|Visit standard pretty. |Often make water. Choice art building piece certain break even participant. Size bit best possible instead tend.¶Difficult hope good employee quickly technology catch. No read particularly. | 1| 5|

‎PostgreSQL/SQL_commands/create_table/users.sql

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CREATE TABLE users (
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id SERIAL PRIMARY KEY,
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fullName VARCHAR(100),
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email VARCHAR(100) UNIQUE
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);
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-- id|fullName |email |
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-- --+----------------+----------------------------+
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-- 1|Elizabeth Patton|alexandra80@example.net |
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-- 2|Rodney Craig |pjohnson@example.net |
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-- 3|Paul Daniel |xjohnson@example.org |
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-- 4|Amanda Parks |clintongraham@example.com |
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-- 5|Joseph Patterson|yhoward@example.org |
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-- 6|Timothy Jimenez |davenportdorothy@example.net|
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-- 7|James Moreno |lukeroberts@example.org |

‎PostgreSQL/SQL_commands/delete/all_tables.sql

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-- Step 1: Disable foreign key constraints
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-- This SQL script disables foreign key constraints for all tables in the database
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DO $$ DECLARE
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r record;
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BEGIN
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FOR r IN (SELECT tablename FROM pg_tables WHERE schemaname = current_schema()) LOOP
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EXECUTE 'ALTER TABLE ' || quote_ident(r.tablename) || ' DISABLE TRIGGER ALL';
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END LOOP;
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END $$;
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-- Step 2: Drop all tables
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-- This SQL script drops all tables in the database
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DO $$ DECLARE
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r record;
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BEGIN
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FOR r IN (SELECT tablename FROM pg_tables WHERE schemaname = current_schema()) LOOP
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EXECUTE 'DROP TABLE IF EXISTS ' || quote_ident(r.tablename) || ' CASCADE';
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END LOOP;
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END $$;

‎PostgreSQL/SQL_commands/delete/cascading_deletion.sql

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ALTER TABLE tasks
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DROP CONSTRAINT tasks_user_id_fkey;
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ALTER TABLE tasks
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ADD CONSTRAINT tasks_user_id_fkey
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FOREIGN KEY (user_id)
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REFERENCES users(id)
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ON DELETE CASCADE;

‎PostgreSQL/SQL_commands/delete/specific_task.sql

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-- DELETE FROM tasks WHERE id = <task_id>;
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DELETE FROM tasks WHERE id = 12;
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DELETE FROM tasks WHERE id = 17;
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DELETE FROM tasks WHERE id = 19;
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-- id|title |description |status_id|user_id|
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-- --+-------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------+-------+
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-- 1|Together herself hotel word may leader should. |Television they vote adult teach. Include life crime.¶Interesting have include Mr. Run program reality dark manager blood way along.¶Goal miss decide wall smile enjoy it. Talk interesting shake. | 1| 10|
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-- 3|Within young near huge help happy. |Sometimes second scientist production rest friend. Read door out will. Five even important house energy.¶Threat social ago ground important lose.¶Business build look. Off stay east we including this.| 1| 6|
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-- 4|State than decide modern real add. |Buy tonight couple born. Must certain but. Agency usually option buy property fall success. | 1| 10|
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-- 5|Money toward image him ball gun. |The must PM then owner none number. Food expect with position.¶Stand land accept course include generation in yet. Truth probably just thing degree inside scientist some. | 1| 1|
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-- 6|Different law expert. Think someone street above.|Blood reflect old success. Our pull site.¶Inside their threat glass. There either team. Level power growth difficult cost general. | 1| 7|
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-- 8|Range great detail always. |Yeah become computer. Value think performance drive name. Especially toward agree walk moment firm American many. | 2| 7|
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-- 9|Radio side wish guy hit memory. |Organization window military development day. Them such protect kitchen employee film answer. Yeah natural its. | 1| 3|
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-- 11|Ready affect whatever develop discover. |Capital security quickly perhaps stand wife. Follow attorney form seven. Discover rock when.¶Despite mention else bar talk. Admit manage test which gun. Head follow have seem. | 3| 1|
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-- 13|My radio section enjoy technology. |Positive fish decade mission. Easy study paper. Show especially week mind could. | 1| 7|
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-- 14|Must score area real alone growth plan claim. |Bed difficult front voice. Statement can Congress painting sit.¶Vote wall it. Happen social glass small keep but keep cost. | 2| 7|
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-- 15|Hold game per threat avoid color wait. |Identify there group thing school whose station. Assume college little offer stock before down. | 3| 2|
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-- 16|Reduce American whom bring marriage. |Major another study research. Hour health road last.¶Budget bad point consider. Agreement value will discussion course site want. Evidence hope team executive side southern hair. | 1| 7|
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-- 18|True cause once wall authority impact. |Ability that side mention well his. Present less especially drop season general bed.¶Difficult western old media. However response administration letter challenge participant. Radio focus each. | 1| 1|
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-- 20|Let spring also reveal every. Present get put. |Often might us organization coach world than. Newspaper least traditional case. Discover stand chair hospital head. | 1| 8|
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-- 7|Police cause participant. |Especially every sort relationship me inside. Thing government eight. Now state wind trouble hit then four.¶Speech off always authority. | 3| 10|
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-- 10|Difficult almost foreign hit carry past first. |Site long whatever. Peace enough effort. Finish rather wind watch ready.¶Particular four side address reflect degree enjoy. | 3| 10|
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-- 21|Wash the dish |Take it, wash it, dry it | 2| 4|

‎PostgreSQL/SQL_commands/delete/table.sql

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ALTER TABLE tasks
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ADD CONSTRAINT status_user_id_fkey
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FOREIGN KEY (status_id)
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REFERENCES status(id)
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ON DELETE CASCADE;
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-- Step 1: Drop foreign key constraints referencing the status table
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-- Assuming there are foreign key constraints in the tasks table referencing the status_id column of the status table
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-- ALTER TABLE tasks DROP CONSTRAINT status_id;
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-- Step 2: Delete data from related tables
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-- Assuming the tasks table has a status_id column referencing the id column of the status table
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DELETE FROM tasks WHERE status_id IN (SELECT id FROM status);
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-- Step 3: Drop the status table
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DROP TABLE status CASCADE;
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‎PostgreSQL/SQL_commands/delete/user.sql

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DELETE FROM users WHERE id = 2;
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-- id|fullName |email |
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-- --+----------------+-------------------------+
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-- 3|Steven Jacobs |robertcruz@example.net |
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-- 5|Gabriel Kent |tracymorgan@example.com |
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-- 6|Jimmy Cross |thompsonbrian@example.net|
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-- 7|Blake Miller DDS|lewiseric@example.net |
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-- 8|Jeffrey Fisher |mathew72@example.net |
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-- 9|John Downs |matthew53@example.org |
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-- 4|John Green |davidtaylor@example.com |
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-- 1|Mike Cook |bryantteresa@example.org |
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-- 10|Emily Rose |juliehoward@example.net |
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-- id|title |description |status_id|user_id|
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-- --+-------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------+-------+
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-- 1|Together herself hotel word may leader should. |Television they vote adult teach. Include life crime.¶Interesting have include Mr. Run program reality dark manager blood way along.¶Goal miss decide wall smile enjoy it. Talk interesting shake. | 1| 10|
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-- 3|Within young near huge help happy. |Sometimes second scientist production rest friend. Read door out will. Five even important house energy.¶Threat social ago ground important lose.¶Business build look. Off stay east we including this.| 1| 6|
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-- 5|Money toward image him ball gun. |The must PM then owner none number. Food expect with position.¶Stand land accept course include generation in yet. Truth probably just thing degree inside scientist some. | 1| 1|
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-- 8|Range great detail always. |Yeah become computer. Value think performance drive name. Especially toward agree walk moment firm American many. | 2| 7|
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-- 9|Radio side wish guy hit memory. |Organization window military development day. Them such protect kitchen employee film answer. Yeah natural its. | 1| 3|
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-- 11|Ready affect whatever develop discover. |Capital security quickly perhaps stand wife. Follow attorney form seven. Discover rock when.¶Despite mention else bar talk. Admit manage test which gun. Head follow have seem. | 3| 1|
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-- 13|My radio section enjoy technology. |Positive fish decade mission. Easy study paper. Show especially week mind could. | 1| 7|
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-- 14|Must score area real alone growth plan claim. |Bed difficult front voice. Statement can Congress painting sit.¶Vote wall it. Happen social glass small keep but keep cost. | 2| 7|
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-- 16|Reduce American whom bring marriage. |Major another study research. Hour health road last.¶Budget bad point consider. Agreement value will discussion course site want. Evidence hope team executive side southern hair. | 1| 7|
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-- 18|True cause once wall authority impact. |Ability that side mention well his. Present less especially drop season general bed.¶Difficult western old media. However response administration letter challenge participant. Radio focus each. | 1| 1|
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-- 20|Let spring also reveal every. Present get put. |Often might us organization coach world than. Newspaper least traditional case. Discover stand chair hospital head. | 1| 8|
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-- 7|Police cause participant. |Especially every sort relationship me inside. Thing government eight. Now state wind trouble hit then four.¶Speech off always authority. | 3| 10|
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-- 10|Difficult almost foreign hit carry past first. |Site long whatever. Peace enough effort. Finish rather wind watch ready.¶Particular four side address reflect degree enjoy. | 3| 10|
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-- 21|Wash the dish |Take it, wash it, dry it | 2| 4|
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-- 4|State than decide modern real add. | | 1| 10|
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-- 6|Different law expert. Think someone street above.| | 1| 7|

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