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SQLite strftime
SQLite strftime with history, features, advantages, installation, commands, syntax, datatypes, operators, expressions, databases, table, crud operations, clauses, like, glob, limit, and clause, advance sqlite
SQLite strftime FunctionThe SQLite strftime function is a very powerful function which facilitates you to fetch date and time and also perform date calculation. Syntax: strftime(format, timestring [, modifier1, modifier2, ... modifier_n ] ) Here, format can be any of the following:
Here, timestring is a date value which can be anyone of the following:
modifier1, modifier2, ... modifier_n: modifiers are optional. These are used with timestring to add or subtract time, date or years.
Example1: Retrieve Current Date:
SELECT strftime('%Y %m %d', 'now');
SELECT strftime('%Y-%m-%d %H:%M', 'now');
Output: 
Example2: Retrieve First day of the month:
SELECT strftime('%Y-%m-%d', '2017-04-14', 'start of month');
SELECT strftime('%Y-%m-%d', 'now', 'start of month');
SELECT strftime('%Y-%m-%d', '2017-03-07', '-6 days');
SELECT strftime('%Y-%m-%d', 'now', '-13 days');
Output: 
Example2: Retrieve Last day of the month:
SELECT strftime('%Y-%m-%d', '2017-03-07', 'start of month', '+1 month', '-1 day');
SELECT strftime('%Y-%m-%d', 'now', 'start of month', '+1 month', '-1 day');
SELECT strftime('%Y-%m-%d', '2017-03-07', '+24 days');
SELECT strftime('%Y-%m-%d', 'now', '+24 days');
Output: 
Example3: Add/ Subtract years and days:
SELECT strftime('%Y-%m-%d', '2017-04-14', '+2 years');
SELECT strftime('%Y-%m-%d', 'now', '-2 years');
SELECT strftime('%Y-%m-%d', '2017-04-14', '+7 days');
SELECT strftime('%Y-%m-%d', 'now', '-10 days');
Output: 
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