sql 동작 각 절의 작성순서
https://dev.mysql.com/doc/refman/8.0/en/select.html
MySQL :: MySQL 8.0 Reference Manual :: 13.2.10 SELECT Statement
13.2.10 SELECT Statement SELECT [ALL | DISTINCT | DISTINCTROW ] [HIGH_PRIORITY] [STRAIGHT_JOIN] [SQL_SMALL_RESULT] [SQL_BIG_RESULT] [SQL_BUFFER_RESULT] [SQL_NO_CACHE] [SQL_CALC_FOUND_ROWS] select_expr [, select_expr] ... [into_option] [FROM table_referenc
dev.mysql.com
날짜, 시간 관련 데이터 타입
https://dev.mysql.com/doc/refman/8.0/en/date-and-time-types.html
MySQL :: MySQL 8.0 Reference Manual :: 11.2 Date and Time Data Types
11.2 Date and Time Data Types The date and time data types for representing temporal values are DATE, TIME, DATETIME, TIMESTAMP, and YEAR. Each temporal type has a range of valid values, as well as a “zero” value that may be used when you specify an i
dev.mysql.com
날짜, 시간 관련 함수
https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html
MySQL :: MySQL 8.0 Reference Manual :: 12.7 Date and Time Functions
12.7 Date and Time Functions This section describes the functions that can be used to manipulate temporal values. See Section 11.2, “Date and Time Data Types”, for a description of the range of values each date and time type has and the valid formats
dev.mysql.com
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