sqlite常用sql语句

--返回UTC时间
select CURRENT_TIMESTAMP;
--返回本地时间
select datetime(CURRENT_TIMESTAMP,'localtime');
--时间转换,时间转换时要求: yyyy-MM-dd,例如: 2008-08-09
SELECT datetime('2008-12-22') AS [My Time];
SELECT datetime('2008-12-22') AS "My Time";--必须为双引号

SELECT date('now','localtime');--返回本地日期

SELECT time('now','localtime');--返回本地当前时间

select CURRENT_TIME;--返回当前UTC时间

select CURRENT_DATE;--返回当前UTC日期

select julianday('2008-12-22') - julianday('2008-12-21');--日期比较

--Compute the current date.
SELECT date('now');
--Compute the last day of the current month.
SELECT date('now','start of month','+1 month','-1 day');

--Compute the date and time given a unix timestamp 1092941466.
SELECT datetime(1092941466,'unixepoch');

--Compute the date and time given a unix timestamp 1092941466,and compensate for your local timezone.
SELECT datetime(1092941466,'unixepoch','localtime');

--Compute the current unix timestamp.
SELECT strftime('%s','now');

--Compute the number of days since the signing of the US Declaration of Independent.
SELECT julianday('now') - julianday('1776-07-04');

--Compute the number of seconds since a particular moment in 2004:
SELECT strftime('%s','now') - strftime('%s','2004-01-01 02:34:56');

--Compute the date of the first Tuesday in October for the current year.
SELECT date('now','start of year','+9 months','weekday 2');

--Compute the time since the unix epoch in seconds (like strftime('%s','now') except includes fractional part):
SELECT (julianday('now') - 2440587.5)*86400.0;

Select rowid,* From keys order by rowid asc Limit 5 Offset 5 ;--SQLite分页显示,表示跳过5行,再取5行,即第二页

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