Data Manipulation and Cleaning work

Account Table: This table contains information about the accounts held by the bank's clients. It includes the

account_id district_id frequency Date - the date the account was opened Account_type

ACCOUNT Table

Changes Made With Excel

Column Description Changes Missing or Invalid Values Notes
Account_id Identification of the account None N/A Primary Key
District_ID Identification of the branch None N/A Foreign Key
Frequency Frequency of Statement Issuance Translated values as follows:- POPLATEK MESICNE changed to MONTHLY ISSUANCE (MI)

Step 1 Convert the text date into the date

Screenshot 2023-10-09 084638.png

Use this function in excel to chance date

β€œ=DATE(LEFT(D2,2)+24, MID(D2,3,2), RIGHT(D2,2))”

Certainly, let's break down the formula =DATE(LEFT(D2,2)+24, MID(D2,3,2), RIGHT(D2,2)) step by step: