WordPress database error: [Can't create/write to file '/tmp/#sql_5d5b_0.MAI' (Errcode: 12 "Cannot allocate memory")]
SELECT TABLE_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = DATABASE();

WordPress database error: [Can't create/write to file '/tmp/#sql_5d5b_0.MAI' (Errcode: 12 "Cannot allocate memory")]
SHOW FULL COLUMNS FROM `wp_options`