We provide market insight for each position in the department every time .
Operations management, financial management, store management, market management, product management
Operation Management:
Accurate statistics and analysis of consumer shopping behavior, the proportion of new and old customers, store stay time to improve the conversion rate and profitability of the store.
-Increase passenger traffic and boost conversion rates
-Know when and where to increase your conversion rate
-Ration
, different processing methods, the financial statements have different resultsthird, date functionDate functions are used to process data of the date type. By default, the date format is Dd-mon-yy, which is "December-July-12"(1) Sysdate return to System timeeg, sql> select sysdate from dual;(2) Oracle Add_months functionThe Oracle Add_months (time,months) function can get n months before or after a certain timeeg, select Add_months (sysdate,-6) from dual; --the result of the query is the time b
YYYY
4-digit year
Mm
2-digit Month
MON
The month of simple spelling
MONTH
month of full spell
Dd
Day of the 2-digit number
Dy
Abbreviation of the Week
Day
A full spell of the week
HH24
24-Hour Hour
HH12
12-Hour Hour
MI
Show minutes
Ss
Show seconds
Demo: Find employees who have ent
the number of employees in the table, we need to use the row Count function count (). The count () function is used to count records for non-null results: Mysql> Select COUNT (*) from mytable; +----------+ | COUNT (*) | +----------+ |3 | +----------+ 1 row in Set (0.06 sec)Number of men and women in the workforce: mysql> Select Sex, COUNT (*) from mytable GROUP bysex; +------+----------+ | sex | COUNT (*) | +------+----------+ | f|2 | | m|1 | +------
financial system or the banking system, different processing methods, and different results for the financial statements third, date functionDate functions are used to process data of the date type. By default, the date format is Dd-mon-yy, which is "December-July-12"(1)Sysdate Return to System timeeg, sql> select sysdate from dual;(2) Oracleadd_months functionThe Oracle Add_months (time,months) function can get n months before or after a certain timeeg, select Add_months (sysdate,-6) from
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.