add sqlite tutorial

Android10/sqlite_tutorial/sqlite_commands.txt

@@ -0,0 +1,56 @@
+# Step 1: Create a New SQLite Database
+sqlite3 library.db
+
+# Step 2: Create a Table
+CREATE TABLE books (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    title TEXT NOT NULL,
+    author TEXT NOT NULL,
+    year INTEGER,
+    genre TEXT
+);
+
+# Verify the table schema
+.schema books
+
+# Step 3: Insert Data into the Table
+INSERT INTO books (title, author, year, genre) VALUES ('To Kill a Mockingbird', 'Harper Lee', 1960, 'Fiction');
+INSERT INTO books (title, author, year, genre) VALUES ('1984', 'George Orwell', 1949, 'Dystopian');
+INSERT INTO books (title, author, year, genre) VALUES ('The Great Gatsby', 'F. Scott Fitzgerald', 1925, 'Classic');
+INSERT INTO books (title, author, year, genre) VALUES ('Pride and Prejudice', 'Jane Austen', 1813, 'Romance');
+
+# Verify the inserted data
+SELECT * FROM books;
+
+# Step 4: Query the Data
+# Select all books
+SELECT * FROM books;
+
+# Select books published after 1900
+SELECT * FROM books WHERE year > 1900;
+
+# Select books by genre
+SELECT * FROM books WHERE genre = 'Fiction';
+
+# Step 5: Update Data
+# Update the genre of "1984" to "Science Fiction"
+UPDATE books SET genre = 'Science Fiction' WHERE title = '1984';
+
+# Verify the update
+SELECT * FROM books WHERE title = '1984';
+
+# Step 6: Delete Data
+# Delete "Pride and Prejudice"
+DELETE FROM books WHERE title = 'Pride and Prejudice';
+
+# Verify the deletion
+SELECT * FROM books;
+
+# Step 7: Drop the Table (Optional)
+DROP TABLE books;
+
+# Verify that the table is dropped
+.tables
+
+# Step 8: Exit SQLite
+.exit