New/Open Database dialog options now default to default database location, Open Query option now defaults to last opened location. Editor line numbering now properly handles logical lines when wrapping occurs. Minor QoL enhancements: Query load now automatically normalizes Unix-style LF to Windows CRLF line endings. Ctrl+E bind added for execute, arrow key navigation now supported in text results, 'About' dialog moved to Help submenu.

Author: nfinit

examples/inventory/queries.sql

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+-- Home Inventory Example Queries
+-- SQLite/CE Example
+
+-- All items with room and category
+SELECT i.name, c.name AS category, r.name AS room, i.current_value
+FROM items i
+LEFT JOIN categories c ON i.category_id = c.id
+LEFT JOIN rooms r ON i.room_id = r.id
+ORDER BY r.name, i.name;
+
+-- Total value by room
+SELECT r.name AS room, SUM(i.current_value) AS total_value
+FROM items i
+JOIN rooms r ON i.room_id = r.id
+GROUP BY r.id
+ORDER BY total_value DESC;
+
+-- Total value by category
+SELECT c.name AS category, SUM(i.current_value) AS total_value
+FROM items i
+JOIN categories c ON i.category_id = c.id
+GROUP BY c.id
+ORDER BY total_value DESC;
+
+-- Total inventory value
+SELECT SUM(current_value) AS total_value FROM items;
+
+-- Items with expiring warranty (next 6 months)
+SELECT name, brand, model, warranty_expires
+FROM items
+WHERE warranty_expires IS NOT NULL
+AND warranty_expires <= '2026-07-01'
+AND warranty_expires >= '2026-01-01';
+
+-- High value items (over $1000)
+SELECT name, brand, current_value, room_id
+FROM items
+WHERE current_value >= 1000
+ORDER BY current_value DESC;
+
+-- Items with photos
+SELECT i.name, COUNT(p.id) AS photo_count
+FROM items i
+LEFT JOIN photos p ON i.item_id = p.item_id
+GROUP BY i.id
+HAVING photo_count > 0;
+
+-- Electronics inventory
+SELECT i.name, i.brand, i.model, i.serial_number, i.current_value
+FROM items i
+JOIN categories c ON i.category_id = c.id
+WHERE c.name = 'Electronics';
+
+-- Depreciation report (purchase vs current value)
+SELECT name, purchase_price, current_value,
+       purchase_price - current_value AS depreciation
+FROM items
+WHERE purchase_price IS NOT NULL
+ORDER BY depreciation DESC;
+
+
+-- Using views
+SELECT * FROM v_items ORDER BY room, name;
+
+SELECT * FROM v_room_totals ORDER BY total_value DESC;
+
+SELECT * FROM v_warranty_expiring;

examples/inventory/sample_data.sql

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+-- Home Inventory Sample Data
+-- SQLite/CE Example
+
+INSERT INTO rooms (id, name, floor) VALUES (1, 'Living Room', 1);
+INSERT INTO rooms (id, name, floor) VALUES (2, 'Kitchen', 1);
+INSERT INTO rooms (id, name, floor) VALUES (3, 'Master Bedroom', 2);
+INSERT INTO rooms (id, name, floor) VALUES (4, 'Office', 2);
+INSERT INTO rooms (id, name, floor) VALUES (5, 'Garage', 1);
+
+INSERT INTO categories (id, name) VALUES (1, 'Electronics');
+INSERT INTO categories (id, name) VALUES (2, 'Furniture');
+INSERT INTO categories (id, name) VALUES (3, 'Appliances');
+INSERT INTO categories (id, name) VALUES (4, 'Tools');
+INSERT INTO categories (id, name) VALUES (5, 'Jewelry');
+
+INSERT INTO items (id, name, category_id, room_id, brand, model, serial_number, purchase_date, purchase_price, current_value, warranty_expires, notes) VALUES (1, 'Television', 1, 1, 'Sony', 'KD-55X80K', 'SN12345678', '2024-03-15', 799.99, 600.00, '2027-03-15', '55 inch 4K');
+INSERT INTO items (id, name, category_id, room_id, brand, model, serial_number, purchase_date, purchase_price, current_value, warranty_expires, notes) VALUES (2, 'Sofa', 2, 1, 'Ashley', 'Darcy', NULL, '2023-06-01', 549.00, 400.00, NULL, 'Gray fabric');
+INSERT INTO items (id, name, category_id, room_id, brand, model, serial_number, purchase_date, purchase_price, current_value, warranty_expires, notes) VALUES (3, 'Refrigerator', 3, 2, 'LG', 'LRMVS3006S', 'RF98765432', '2022-11-20', 2499.00, 1800.00, '2025-11-20', 'French door');
+INSERT INTO items (id, name, category_id, room_id, brand, model, serial_number, purchase_date, purchase_price, current_value, warranty_expires, notes) VALUES (4, 'Microwave', 3, 2, 'Panasonic', 'NN-SN686S', NULL, '2024-01-10', 149.99, 120.00, '2025-01-10', '1200W');
+INSERT INTO items (id, name, category_id, room_id, brand, model, serial_number, purchase_date, purchase_price, current_value, warranty_expires, notes) VALUES (5, 'Bed Frame', 2, 3, 'Zinus', 'SmartBase', NULL, '2023-08-15', 189.00, 150.00, NULL, 'Queen size');
+INSERT INTO items (id, name, category_id, room_id, brand, model, serial_number, purchase_date, purchase_price, current_value, warranty_expires, notes) VALUES (6, 'Laptop', 1, 4, 'Dell', 'XPS 15', 'DL55667788', '2024-06-01', 1599.00, 1300.00, '2027-06-01', '32GB RAM');
+INSERT INTO items (id, name, category_id, room_id, brand, model, serial_number, purchase_date, purchase_price, current_value, warranty_expires, notes) VALUES (7, 'Monitor', 1, 4, 'Dell', 'U2722D', 'MN11223344', '2024-06-01', 449.99, 380.00, '2027-06-01', '27 inch');
+INSERT INTO items (id, name, category_id, room_id, brand, model, serial_number, purchase_date, purchase_price, current_value, warranty_expires, notes) VALUES (8, 'Drill', 4, 5, 'DeWalt', 'DCD771C2', NULL, '2023-04-20', 99.00, 70.00, NULL, 'Cordless');
+INSERT INTO items (id, name, category_id, room_id, brand, model, serial_number, purchase_date, purchase_price, current_value, warranty_expires, notes) VALUES (9, 'Table Saw', 4, 5, 'DeWalt', 'DWE7485', 'TS99887766', '2022-09-10', 349.00, 250.00, '2025-09-10', '10 inch');
+INSERT INTO items (id, name, category_id, room_id, brand, model, serial_number, purchase_date, purchase_price, current_value, warranty_expires, notes) VALUES (10, 'Wedding Ring', 5, 3, 'Tiffany', NULL, NULL, '2015-06-20', 3500.00, 4000.00, NULL, 'Platinum band');
+
+INSERT INTO photos (id, item_id, filename, description) VALUES (1, 1, 'tv_front.jpg', 'Front view');
+INSERT INTO photos (id, item_id, filename, description) VALUES (2, 1, 'tv_serial.jpg', 'Serial number label');
+INSERT INTO photos (id, item_id, filename, description) VALUES (3, 6, 'laptop.jpg', 'Laptop with accessories');
+INSERT INTO photos (id, item_id, filename, description) VALUES (4, 10, 'ring.jpg', 'Wedding ring close-up');

examples/inventory/schema.sql

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+-- Home Inventory Schema
+-- SQLite/CE Example
+
+CREATE TABLE rooms (
+    id INTEGER PRIMARY KEY,
+    name TEXT NOT NULL,
+    floor INTEGER
+);
+
+CREATE TABLE categories (
+    id INTEGER PRIMARY KEY,
+    name TEXT NOT NULL
+);
+
+CREATE TABLE items (
+    id INTEGER PRIMARY KEY,
+    name TEXT NOT NULL,
+    category_id INTEGER,
+    room_id INTEGER,
+    brand TEXT,
+    model TEXT,
+    serial_number TEXT,
+    purchase_date TEXT,
+    purchase_price REAL,
+    current_value REAL,
+    warranty_expires TEXT,
+    notes TEXT
+);
+
+CREATE TABLE photos (
+    id INTEGER PRIMARY KEY,
+    item_id INTEGER NOT NULL,
+    filename TEXT NOT NULL,
+    description TEXT
+);
+
+CREATE INDEX idx_items_room ON items(room_id);
+CREATE INDEX idx_items_category ON items(category_id);
+CREATE INDEX idx_photos_item ON photos(item_id);
+
+-- Views
+CREATE VIEW v_items AS
+SELECT i.id, i.name, c.name AS category, r.name AS room,
+       i.brand, i.model, i.purchase_price, i.current_value
+FROM items i
+LEFT JOIN categories c ON i.category_id = c.id
+LEFT JOIN rooms r ON i.room_id = r.id;
+
+CREATE VIEW v_room_totals AS
+SELECT r.name AS room, COUNT(i.id) AS item_count, 
+       SUM(i.current_value) AS total_value
+FROM rooms r
+LEFT JOIN items i ON r.id = i.room_id
+GROUP BY r.id;
+
+CREATE VIEW v_warranty_expiring AS
+SELECT name, brand, model, warranty_expires
+FROM items
+WHERE warranty_expires IS NOT NULL
+AND warranty_expires <= date('now', '+6 months');

examples/library/queries.sql

@@ -0,0 +1,44 @@
+-- Home Library Example Queries
+-- SQLite/CE Example
+
+-- List all books with author names
+SELECT b.title, a.name AS author, b.year_published, b.genre
+FROM books b
+LEFT JOIN authors a ON b.author_id = a.id
+ORDER BY a.name, b.title;
+
+-- Books by genre
+SELECT genre, COUNT(*) AS count
+FROM books
+GROUP BY genre
+ORDER BY count DESC;
+
+-- Currently loaned books
+SELECT b.title, l.borrower, l.date_out, l.date_due
+FROM loans l
+JOIN books b ON l.book_id = b.id
+WHERE l.date_returned IS NULL;
+
+-- Overdue books (assuming today is 2026-01-10)
+SELECT b.title, l.borrower, l.date_due
+FROM loans l
+JOIN books b ON l.book_id = b.id
+WHERE l.date_returned IS NULL
+AND l.date_due < '2026-01-10';
+
+-- Top rated books
+SELECT title, rating
+FROM books
+WHERE rating = 5;
+
+-- Books added this year
+SELECT title, date_added
+FROM books
+WHERE date_added >= '2025-01-01'
+ORDER BY date_added;
+
+
+-- Using views
+SELECT * FROM v_books ORDER BY author, title;
+
+SELECT * FROM v_loans_active;

examples/library/sample_data.sql

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+-- Home Library Sample Data
+-- SQLite/CE Example
+
+INSERT INTO authors (id, name, birth_year) VALUES (1, 'Donald Knuth', 1938);
+INSERT INTO authors (id, name, birth_year) VALUES (2, 'Brian Kernighan', 1942);
+INSERT INTO authors (id, name, birth_year) VALUES (3, 'Andrew Tanenbaum', 1944);
+INSERT INTO authors (id, name, birth_year) VALUES (4, 'Charles Petzold', 1953);
+INSERT INTO authors (id, name, birth_year) VALUES (5, 'Steve McConnell', 1962);
+INSERT INTO authors (id, name, birth_year) VALUES (6, 'Douglas Boling', NULL);
+INSERT INTO authors (id, name, birth_year) VALUES (7, 'John Murray', NULL);
+INSERT INTO authors (id, name, birth_year) VALUES (8, 'Dominic Selly', NULL);
+INSERT INTO authors (id, name, birth_year) VALUES (9, 'David Patterson', 1947);
+INSERT INTO authors (id, name, birth_year) VALUES (10, 'John Hennessy', 1952);
+INSERT INTO authors (id, name, birth_year) VALUES (11, 'Joseph Yiu', NULL);
+
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (1, 'The Art of Computer Programming Vol 1', 1, '0201896834', 1968, 'Computer Science', 'Hardcover', 'Shelf A1', 5, '2025-01-15');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (2, 'The Art of Computer Programming Vol 2', 1, '0201896842', 1969, 'Computer Science', 'Hardcover', 'Shelf A1', 5, '2025-01-15');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (3, 'The Art of Computer Programming Vol 3', 1, '0201896850', 1973, 'Computer Science', 'Hardcover', 'Shelf A1', 5, '2025-01-15');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (4, 'The C Programming Language', 2, '0131103628', 1978, 'Programming', 'Paperback', 'Shelf A2', 5, '2025-02-10');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (5, 'The Practice of Programming', 2, '020161586X', 1999, 'Programming', 'Paperback', 'Shelf A2', 5, '2025-02-10');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (6, 'Operating Systems: Design and Implementation', 3, '0136386776', 1987, 'Operating Systems', 'Hardcover', 'Shelf B1', 5, '2025-03-01');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (7, 'Programming Windows', 4, '157231995X', 1998, 'Programming', 'Hardcover', 'Shelf B2', 5, '2025-04-20');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (8, 'Code: The Hidden Language', 4, '0735611319', 1999, 'Computer Science', 'Paperback', 'Shelf B2', 5, '2025-04-20');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (9, 'Code Complete', 5, '0735619670', 1993, 'Software Engineering', 'Paperback', 'Shelf C1', 5, '2025-05-05');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (10, 'Programming Windows CE', 6, '1572318562', 1998, 'Windows CE', 'Hardcover', 'Shelf D1', 5, '2025-06-01');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (11, 'Programming Microsoft Windows CE .NET', 6, '0735618844', 2003, 'Windows CE', 'Hardcover', 'Shelf D1', 5, '2025-06-01');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (12, 'Windows CE 3.0 Application Programming', 7, '0130255920', 2000, 'Windows CE', 'Paperback', 'Shelf D1', 4, '2025-06-15');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (13, 'Pocket PC Developers Guide', 8, '0072132302', 2001, 'Windows CE', 'Paperback', 'Shelf D2', 4, '2025-06-15');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (14, 'Computer Organization and Design', 9, '1558604286', 1994, 'Computer Architecture', 'Hardcover', 'Shelf E1', 5, '2025-07-01');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (15, 'Computer Architecture: A Quantitative Approach', 10, '1558605967', 1990, 'Computer Architecture', 'Hardcover', 'Shelf E1', 5, '2025-07-01');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (16, 'The Definitive Guide to ARM Cortex-M0', 11, '0123854776', 2011, 'Embedded Systems', 'Paperback', 'Shelf E2', 4, '2025-08-01');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (17, 'See MIPS Run', NULL, '1558604103', 1999, 'Embedded Systems', 'Paperback', 'Shelf E2', 5, '2025-08-15');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (18, 'SH3/SH4 Programming Manual', NULL, NULL, 1998, 'Embedded Systems', 'Paperback', 'Shelf E3', 4, '2025-09-01');
+INSERT INTO books (id, title, author_id, isbn, year_published, genre, format, location, rating, date_added) VALUES (19, 'StrongARM System Developers Guide', NULL, '0126256209', 2000, 'Embedded Systems', 'Hardcover', 'Shelf E3', 4, '2025-09-01');
+
+INSERT INTO loans (id, book_id, borrower, date_out, date_due, date_returned) VALUES (1, 2, 'Alice Chen', '2025-11-01', '2025-12-01', '2025-11-20');
+INSERT INTO loans (id, book_id, borrower, date_out, date_due, date_returned) VALUES (2, 8, 'Bob Martinez', '2025-12-15', '2026-01-15', NULL);
+INSERT INTO loans (id, book_id, borrower, date_out, date_due, date_returned) VALUES (3, 15, 'Carol Singh', '2026-01-05', '2026-02-05', NULL);

examples/library/schema.sql

@@ -0,0 +1,48 @@
+-- Home Library Catalog Schema
+-- SQLite/CE Example
+
+CREATE TABLE authors (
+    id INTEGER PRIMARY KEY,
+    name TEXT NOT NULL,
+    birth_year INTEGER
+);
+
+CREATE TABLE books (
+    id INTEGER PRIMARY KEY,
+    title TEXT NOT NULL,
+    author_id INTEGER,
+    isbn TEXT,
+    year_published INTEGER,
+    genre TEXT,
+    format TEXT,
+    location TEXT,
+    rating INTEGER,
+    date_added TEXT,
+    notes TEXT
+);
+
+CREATE TABLE loans (
+    id INTEGER PRIMARY KEY,
+    book_id INTEGER NOT NULL,
+    borrower TEXT NOT NULL,
+    date_out TEXT NOT NULL,
+    date_due TEXT,
+    date_returned TEXT
+);
+
+CREATE INDEX idx_books_author ON books(author_id);
+CREATE INDEX idx_books_genre ON books(genre);
+CREATE INDEX idx_loans_book ON loans(book_id);
+
+-- Views
+CREATE VIEW v_books AS
+SELECT b.id, b.title, a.name AS author, b.year_published, 
+       b.genre, b.format, b.location, b.rating
+FROM books b
+LEFT JOIN authors a ON b.author_id = a.id;
+
+CREATE VIEW v_loans_active AS
+SELECT l.id, b.title, l.borrower, l.date_out, l.date_due
+FROM loans l
+JOIN books b ON l.book_id = b.id
+WHERE l.date_returned IS NULL;