CREATE TABLE ref_transaction_types (transaction_type_code CLOB, transaction_type_description CLOB)
CREATE TABLE sales (sales_transaction_id NUMBER, sales_details CLOB)
CREATE TABLE purchases (purchase_transaction_id NUMBER, purchase_details CLOB)
CREATE TABLE investors (investor_id NUMBER, investor_details CLOB)
CREATE TABLE transactions_lots (transaction_id NUMBER, lot_id NUMBER)
CREATE TABLE lots (lot_id NUMBER, investor_id NUMBER, lot_details CLOB)
CREATE TABLE transactions (transaction_id NUMBER, investor_id NUMBER, transaction_type_code CLOB, date_of_transaction TIME, amount_of_transaction NUMBER, share_count CLOB, other_details CLOB)

Show the dates of transactions if the share count is bigger than 100 or the amount is bigger than 1000.
SELECT date_of_transaction FROM transactions WHERE share_count > 100 OR amount_of_transaction > 1000
SELECT "date_of_transaction" FROM "transactions" WHERE "amount_of_transaction" > 1000 OR "share_count" > 100