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12 lis 2014 · Of course you can do it in MySQL query. And you can do it in WHERE like this: SELECT * FROM your_table WHERE IF (CURDATE() > start_date, 1, 0) = 1; this query will select only rows that are 'higher' then column 'start_date' (start_date must be type DATE)
Definition and Usage. The IF () function returns a value if a condition is TRUE, or another value if a condition is FALSE. Syntax. IF (condition, value_if_true, value_if_false) Parameter Values. Technical Details. More Examples. Example. Return 5 if the condition is TRUE, or 10 if the condition is FALSE: SELECT IF(500<1000, 5, 10);
This tutorial shows you how to use MySQL IF statement to execute a block of SQL code based on a specified condition.
Here is an example that uses date functions. The following query selects all rows with a date_col value from within the last 30 days: mysql> SELECT something FROM tbl_name . -> WHERE DATE_SUB(CURDATE(),INTERVAL 30 DAY) <= date_col; The query also selects rows with dates that lie in the future.
6 cze 2024 · Syntax. MySQL IF () function syntax is: IF (condition, true_value, false_value) Parameters: condition – It is used to specify the condition to be evaluated. true_value – It is an optional parameter that is used to specify the value to be returned if the condition evaluates to be true.
MySQL IF function is one of the MySQL control flow functions that returns a value based on a condition. The IF function is sometimes referred to as IF ELSE or IF THEN ELSE function. The syntax of the MySQL IF function is as follows: IF(expr,if_true_expr,if_false_expr) Code language: SQL (Structured Query Language) (sql)
28 sty 2021 · The basic syntax: DATE(datetime); For instance, if you run: SELECT DATE('2021-01-17 10:12:16'); The output is: 2021-01-17. DATE_ADD or ADDDATE. Add a time/date value to a date expression with the DATE_ADD or ADDDATE function. The basic syntax: DATE_ADD(date, INTERVAL value unit); Replace date with the date expression you want to add a time/date to.
