Demo queries from slides

demo-queries-from slides-1.sql

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+CREATE TABLE invoices_copy AS
+SELECT *
+FROM invoices;
+
+CREATE TABLE old_invoices AS
+SELECT *
+FROM invoices
+WHERE invoice_total - payment_total - credit_total = 0;
+
+CREATE TABLE vendor_balances AS
+SELECT vendor_id, SUM(invoice_total) AS sum_of_invoices
+FROM invoices
+WHERE (invoice_total - payment_total - credit_total) <> 0
+GROUP BY vendor_id;
+
+DROP TABLE old_invoices;

demo-queries-from slides-2.sql

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+INSERT INTO invoices VALUES
+(115, 97, '456789', '2018-08-01', 8344.50, 0, 0, 1, '2018-08-31', NULL);
+
+INSERT INTO invoices
+    (vendor_id, invoice_number, invoice_total, terms_id, invoice_date, 
+     invoice_due_date)
+VALUES
+    (97, '456789', 8344.50, 1, '2018-08-01', '2018-08-31');    
+    
+INSERT INTO invoices VALUES
+(116, 97, '456701', '2018-08-02', 270.50, 0, 0, 1, '2018-09-01', NULL),
+(117, 97, '456791', '2018-08-03', 4390.00, 0, 0, 1, '2018-09-02', NULL),
+(118, 97, '456792', '2018-08-03', 565.60, 0, 0, 1, '2018-09-02', NULL);

demo-queries-from slides-3.sql

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+USE ex;
+
+INSERT INTO color_sample (color_number)
+VALUES (606);
+
+INSERT INTO color_sample (color_name)
+VALUES ('Yellow');
+
+INSERT INTO color_sample
+VALUES (DEFAULT, DEFAULT, 'Orange');
+
+INSERT INTO color_sample
+VALUES (DEFAULT, 808, NULL);
+
+INSERT INTO color_sample
+VALUES (DEFAULT, DEFAULT, NULL);

demo-queries-from slides-4.sql

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+INSERT INTO invoice_archive
+SELECT *
+FROM invoices
+WHERE invoice_total - payment_total - credit_total = 0;
+
+INSERT INTO invoice_archive
+    (invoice_id, vendor_id, invoice_number, invoice_total, credit_total,
+    payment_total, terms_id, invoice_date, invoice_due_date)
+SELECT
+    invoice_id, vendor_id, invoice_number, invoice_total, credit_total, 
+    payment_total, terms_id, invoice_date, invoice_due_date
+FROM invoices
+WHERE invoice_total - payment_total - credit_total = 0;

demo-queries-from slides-5.sql

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+UPDATE invoices
+SET payment_date = '2018-09-21', 
+    payment_total = 19351.18
+WHERE invoice_number = '97/522';
+
+UPDATE invoices
+SET terms_id = 1
+WHERE vendor_id = 95;
+
+UPDATE invoices
+SET credit_total = credit_total + 100
+WHERE invoice_number = '97/522';

demo-queries-from slides-6.sql

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+UPDATE invoices
+SET terms_id = 1
+WHERE vendor_id =
+   (SELECT vendor_id
+    FROM vendors
+    WHERE vendor_name = 'Pacific Bell');
+    
+UPDATE invoices
+SET terms_id = 1
+WHERE vendor_id IN
+   (SELECT vendor_id
+    FROM vendors
+    WHERE vendor_state IN ('CA', 'AZ', 'NV'));

demo-queries-from slides-7.sql

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+DELETE FROM general_ledger_accounts
+WHERE account_number = 306;
+
+DELETE FROM invoice_line_items
+WHERE invoice_id = 78 AND invoice_sequence = 2;
+
+DELETE FROM invoice_line_items
+WHERE invoice_id = 12;
+
+DELETE FROM invoice_line_items
+WHERE invoice_id IN
+    (SELECT invoice_id
+     FROM invoices
+     WHERE vendor_id = 115);