Translations:General FAQ/76/en
From LimeSurvey Manual
For example, you can use this instruction to set password to password:
UPDATE lime_users SET password = 0x35653838343839386461323830343731353164306535366638646336323932373733363033643064366161626264643632613131656637323164313534326438 WHERE uid =1;
Here with prefix to lime_ and database selected.