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Lakshmi Pritha Nadesan
Lakshmi Pritha Nadesan

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Task 2 : Database

#database #postgres #task #payilagam

Create cinema table for storing movie information:

employee=# create table cinema(id int,movie_name varchar(20), actor varchar(20),year int,minutes int); CREATE TABLE
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Insert movie details into movie table:

employee=# insert into cinema values(1,'Dharbar','Rajini',2021,121),(2,'Vikram','Kamal',2023,125),(3,'Mersal','Vijay',2020,123),(4,'Beast','Vijay',2019,134),(5,'Viswasam','Ajith',2021,117),(6,'Attakasam','Ajith',2006,119),(7,'Jai Bhim','Surya',2018,127),(8,'Kaithi','Karthi',2017,125),(9,'Ayothi','Sasikumar',2023,124),(10,'Deivathirumagan','Vikram',2017,121); INSERT 0 10 employee=# select * from cinema; id | movie_name | actor | year | minutes ----+-----------------+-----------+------+--------- 1 | Dharbar | Rajini | 2021 | 121 2 | Vikram | Kamal | 2023 | 125 3 | Mersal | Vijay | 2020 | 123 4 | Beast | Vijay | 2019 | 134 5 | Viswasam | Ajith | 2021 | 117 6 | Attakasam | Ajith | 2006 | 119 7 | Jai Bhim | Surya | 2018 | 127 8 | Kaithi | Karthi | 2017 | 125 9 | Ayothi | Sasikumar | 2023 | 124 10 | Deivathirumagan | Vikram | 2017 | 121 (10 rows)
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1) List down 8th row values from the table:

employee=# select * from cinema limit 1 offset 7; id | movie_name | actor | year | minutes ----+------------+--------+------+--------- 8 | Kaithi | Karthi | 2017 | 125 (1 row)
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2) List down all the movies released between 2021 and 2023:

employee=# select movie_name from cinema where year between 2021 and 2023; movie_name ------------ Dharbar Vikram Viswasam Ayothi (4 rows)
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3) List down all the movies released not between 2021 and 2023:

employee=# select movie_name from cinema where year not between 2021 and 2023; movie_name ----------------- Mersal Beast Attakasam Jai Bhim Kaithi Deivathirumagan (6 rows)
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4) List down first 3 movies based on released year in descending order:

employee=# select movie_name from cinema order by year desc limit 3 ; movie_name ------------ Vikram Ayothi Dharbar (3 rows)
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5) List down All movies by Vijay in the year 2020:

employee=# select movie_name from cinema where actor='vijay' or year=2020; movie_name ------------ Mersal (1 row)
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6) List down all movies where we have ‘as’ in the movie name:

employee=# select movie_name from cinema where movie_name like '%as%'; movie_name ------------ Beast Viswasam Attakasam (3 rows)
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7) List down all actor names without duplicates:

employee=# select distinct actor from cinema; actor ----------- Sasikumar Kamal Vijay Karthi Surya Ajith Rajini Vikram (8 rows)
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8) List down Ajith movies in alphabetical order:

employee=# select movie_name from cinema where actor='Ajith' order by movie_name; movie_name ------------ Attakasam Viswasam (2 rows)
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9) List down movies where their names start with ‘A’ and actor name starts with ‘A’:

employee=# select movie_name from cinema where actor like 'A%' and movie_name like 'A%'; movie_name ------------ Attakasam (1 row)
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10) List down movies if the movie name is ‘Vikram’ or the actor name is ‘Vikram’:

employee=# select movie_name from cinema where actor='Vikram' or movie_name='Vikram'; movie_name ----------------- Vikram Deivathirumagan (2 rows)
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