From 8173f8e50dd65822605dd55f6378861d2cb84002 Mon Sep 17 00:00:00 2001
From: akashboora <booraakash@gmail.com>
Date: Sat, 10 Aug 2024 20:42:41 +0530
Subject: [PATCH] telusko: added sql practise

---
 telusko/SQL/script1.sql | 42 +++++++++++++++++++++++++++++++++++++
 telusko/SQL/script2.sql | 15 ++++++++++++++
 telusko/SQL/script3.sql | 19 +++++++++++++++++
 telusko/SQL/script4.sql | 46 +++++++++++++++++++++++++++++++++++++++++
 telusko/SQL/script5.sql |  9 ++++++++
 telusko/SQL/script6.sql |  5 +++++
 telusko/SQL/script7.sql | 13 ++++++++++++
 telusko/SQL/script8.sql |  9 ++++++++
 8 files changed, 158 insertions(+)
 create mode 100644 telusko/SQL/script1.sql
 create mode 100644 telusko/SQL/script2.sql
 create mode 100644 telusko/SQL/script3.sql
 create mode 100644 telusko/SQL/script4.sql
 create mode 100644 telusko/SQL/script5.sql
 create mode 100644 telusko/SQL/script6.sql
 create mode 100644 telusko/SQL/script7.sql
 create mode 100644 telusko/SQL/script8.sql

diff --git a/telusko/SQL/script1.sql b/telusko/SQL/script1.sql
new file mode 100644
index 0000000..d5b3a9f
--- /dev/null
+++ b/telusko/SQL/script1.sql
@@ -0,0 +1,42 @@
+create database telusko_db;
+DROP DATABASE telusko_db;
+CREATE SCHEMA telusko_db;
+drop schema telusko_db;
+
+create database if not exists telusko_db;
+
+/**
+Data Types:
+INT - 44,4,78
+FLOAT - 4.5,55.2
+CHAR => fixed length string, Postal code
+VARCHAR => variable length string, FirstName, CIty
+DATE => 12/12/2024
+TIME => 12:44
+DATETIME => 12/12/2024 12:44:44
+BOOLEAN => True/False
+*/
+
+use telusko_db;
+
+create table personalInfo(
+id INT,
+name varchar(40),
+date_of_birth date,
+city varchar(40)
+);
+
+create table personalEducation(
+id INT,
+courses varchar(30),
+city_of_education varchar(40)
+);
+
+insert into personalInfo(id, name, date_of_birth, city) values (1, 'Akash', '2000-07-22', 'Ganneruvaram');
+insert into personalInfo(id, name, date_of_birth, city) values (2, 'Rohit', '2000-07-22', 'Ganneruvaram');
+insert into personalInfo(id, name, date_of_birth, city) values (3, 'Ramesh', '2000-10-22', 'Hyderabad');
+
+insert into personalInfo(id, name, date_of_birth, city) values (4, 'Raju', '1999-10-22', 'Banglore'),
+(5, 'Kamal', '1998-10-22', 'Pune'),
+(6, 'Uday', '1998-07-22', 'Mumbai');
+
diff --git a/telusko/SQL/script2.sql b/telusko/SQL/script2.sql
new file mode 100644
index 0000000..784ec1f
--- /dev/null
+++ b/telusko/SQL/script2.sql
@@ -0,0 +1,15 @@
+use telusko_db;
+
+create table employee(
+id int,
+emp_name varchar(40),
+emp_age int,
+emp_city varchar(40),
+primary key(id));
+
+
+insert into employee(id, emp_name, emp_age, emp_city)
+values
+(1, "Rohan", 15, "Bangalore"),
+(2, "Rohan", 15, "Bangalore"),
+(3, "Rohan", 15, "Bangalore");
diff --git a/telusko/SQL/script3.sql b/telusko/SQL/script3.sql
new file mode 100644
index 0000000..871900c
--- /dev/null
+++ b/telusko/SQL/script3.sql
@@ -0,0 +1,19 @@
+use telusko_db;
+
+create table studentsINfo(
+id int not null,
+name varchar(40) not null,
+age int not null check(age>=18),
+gender varchar(10) not null,
+phone varchar(10) not null,
+city varchar(20) not null default "Bangalore",
+primary key (id));
+
+INSERT INTO studentsInfo(id,name, age, gender, phone)
+VALUES(1, " Rohan" , 19, "Male","456123");
+
+INSERT INTO studentsInfo(id,name, age, phone)
+VALUES(1, " Rohan" , 19,"456123");
+
+INSERT INTO studentsInfo(id,name, age, gender, phone)
+VALUES(2, "Rohan" , 19, "Male","456123");
\ No newline at end of file
diff --git a/telusko/SQL/script4.sql b/telusko/SQL/script4.sql
new file mode 100644
index 0000000..1bcd97f
--- /dev/null
+++ b/telusko/SQL/script4.sql
@@ -0,0 +1,46 @@
+# where caluse
+
+use sakila;
+
+select * from actor;
+
+select first_name from actor;
+
+select * from actor where first_name="NICK";
+
+select * from actor where actor_id>10;
+
+# AND OR NOT
+select * from actor where first_name="NICK" and last_name='WAHLBERG';
+
+select * from actor where first_name="NICK" or last_name='WAHLBERG';
+
+select * from actor where (first_name="NICK" or first_name='DARYL') and last_name='WAHLBERG';
+
+select * from actor where not(first_name="NICK" or last_name='WAHLBERG');
+
+
+# in operator
+select * from actor where first_name="NICK" or first_name='DARYL';
+# can be written as
+select * from actor where first_name in ("NICK",'DARYL');
+
+select * from actor where last_name='STALLONE' or last_name='WAHLBERG' or last_name='CRAWFORD';
+
+select * from actor where last_name in ('STALLONE', 'WAHLBERG', 'CRAWFORD');
+
+# between and not between
+
+select * from actor where first_name between "DARYL" and "FRED";
+
+select * from actor where first_name not between "DARYL" and "FRED";
+
+
+select * from actor order by first_name ASC;
+
+select * from actor where last_name='WAHLBERG' order by first_name DESC;
+
+select distinct(first_name) from actor;
+
+
+
diff --git a/telusko/SQL/script5.sql b/telusko/SQL/script5.sql
new file mode 100644
index 0000000..580893c
--- /dev/null
+++ b/telusko/SQL/script5.sql
@@ -0,0 +1,9 @@
+use telusko_db;
+
+select * from employee;
+
+update employee set emp_name="Rohit" where id =3;
+
+update employee set emp_city="Pune" where id in(2,3);
+
+delete from employee where id=3;
\ No newline at end of file
diff --git a/telusko/SQL/script6.sql b/telusko/SQL/script6.sql
new file mode 100644
index 0000000..131fd00
--- /dev/null
+++ b/telusko/SQL/script6.sql
@@ -0,0 +1,5 @@
+use telusko_db;
+select * from employee;
+update employee set emp_age=36 where id=2;
+rollback;
+commit;
\ No newline at end of file
diff --git a/telusko/SQL/script7.sql b/telusko/SQL/script7.sql
new file mode 100644
index 0000000..5b3e1d4
--- /dev/null
+++ b/telusko/SQL/script7.sql
@@ -0,0 +1,13 @@
+use telusko_db;
+create table city(id int auto_increment, cityname varchar(20), primary key(id));
+SELECT * FROM telusko_db.city;
+insert into city(cityname) values ("Bangolre"), ("Pune"), ("Karimnagar"), ("Mumbai");
+
+
+CREATE TABLE student(sid INT AUTO_INCREMENT, name VARCHAR(50), age INT, city INT, PRIMARY KEY(sid), FOREIGN KEY(city) references city(id));
+SELECT * FROM telusko_db.student;
+INSERT INTO student(name, age, city) values
+( "Rohit " ,22, 1),
+( " Robin " ,24,2),
+( " Ramesh", 22,3),
+( " Rahul " ,24,4);
diff --git a/telusko/SQL/script8.sql b/telusko/SQL/script8.sql
new file mode 100644
index 0000000..c3eecb4
--- /dev/null
+++ b/telusko/SQL/script8.sql
@@ -0,0 +1,9 @@
+use sakila;
+
+select * from category as c INNER join film_category as f on c.category_id = f.category_id;
+
+select * from category as c left join film_category as f on c.category_id = f.category_id;
+
+select * from category as c right join film_category as f on c.category_id = f.category_id;
+
+select * from category as c join film_category as f on c.category_id = f.category_id;
\ No newline at end of file