-- Test complex quoted table and column names with special characters -- Covers spaces, hyphens, uppercase, and mixed operations CREATE TABLE "user profiles" (id integer primary key, data text); CREATE TABLE "ORDERS" (id integer primary key, data text); CREATE TABLE products (id integer primary key, data text); CREATE TABLE "item-categories" (id integer primary key, data text); -- Test ALTER statements with complex identifiers ALTER TABLE "user profiles" RENAME COLUMN data TO "profile data"; ALTER TABLE "ORDERS" RENAME TO "customer_orders"; ALTER TABLE products ADD COLUMN "Price Info" text; -- Test mixed case operations across different statement types INSERT INTO "user profiles" ("profile data") VALUES ('test data'); UPDATE "customer_orders" SET data = 'updated' WHERE id = 1; DELETE FROM products WHERE id = 1; -- Test DROP with various identifier formats DROP TABLE "user profiles"; DROP TABLE "customer_orders"; DROP TABLE "item-categories"; DROP TABLE products;