yyyy mm dd sql

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In SQL Server, get the time in the 'yyyy-MM-DD 'format

CodeInstance: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Select Convert ( Varchar ( 10 ), Getdate (), 121 ) -- Do not set the time To 2002-01-01 Select Convert ( Varchar ( 10 ), Getdate (), 120 ) -- Do not time 2002-1-1 Select Convert ( Char ( 8 ), Getdate (), 112 ) -- 20020101 Select Convert ( Char ( 8 ), Getdate (), 108 )

The default date datetime format for ms SQL Server Chinese edition is yyyy-mm-dd hh: mm: Ss. Mmm

For example:Select getdate () 11:06:08. 177 SQL Server uses the following method to migrate data to the date format: Select convert (varchar, getdate (), 120)11:06:08 Select Replace (replace (convert (varchar, getdate (), 120 ),'-',"),'',"),':',")20040912110608 Select convert (varchar (12), getdate (), 111)2004/09/12 Select convert (varchar (12), getdate (), 112)20040912 Select convert (varchar (12), getdate (), 102)2004.09.12 Select c

Date and Time formats of different countries

(string ciname) {var CI = new system. globalization. cultureinfo (ciname); Return CI. datetimeformat. shortdatepattern + "" + ci. datetimeformat. shorttimepattern ;} Extracted results: AF === yyyy-mm-dd hh: mmAf-za ==== yyyy-mm-dd

Expand an experiment on time-related trees

-- CREATE a recursive tree History TABLE and generate the data create table TREE_HIS (id number, C_CHILD VARCHAR2 (32 BYTE), C_NAME VARCHAR2 (100 BYTE), P_ID NUMBER, EFF_DATE DATE, EXP_DATE DATE); create index IDX2 ON TREE_HIS (P_ID); create unique index IDX3 ON TREE_HIS (C_CHILD, EXP_DATE); create unique index TREE_HIS_PK ON TREE_HIS (ID ); alter table TREE_HIS ADD (CONSTRAINT TREE_HIS_PK primary key (ID); alter table TREE_HIS ADD (CONSTRAINT TREE_HIS_R01 foreign key (P_ID) REFERENCES TREE_HIS

SQL Server date formats

YYYY-MM-DD hh: MI: SS (24 h) ODBC canonical Select convert (varchar (19), getdate (), 120) 13:42:24 YYYY-MM-DD hh: MI: Ss. Mmm (24 hours) ODBC cano

Analysis of Using TRUNC (for dates) in ORACLE

)} //////////////////////////////////////// /// //: SQL> select trunc (sysdate) from dual; TRUNC (SYSD ---------- month-03 SQL> select trunc (sysdate, 'mm') from dual; TRUNC (SYSD -------- -- 01-1 month-03 SQL> select trunc (sysdate, 'yy') from dual; TRUNC (SYSD -------- 01-1 month-03

Use of date formats in the ORACLE To_char () function

is added "th"Sql> Select To_char (sysdate, ' Yyyy-mm-ddth ') from dual;To_char (sysdate, ' yyyy-mm------------------------2015-12-04thSql> Select To_char (sysdate, ' yyyy-mm-ddspth ')

Oracle Common SQL statements

(contains only cardid)--No weight Way One: Select Cardid, borrowdate from borrow where To_char (To_date (borrowdate, ' yyyy-mm-dd '), ' yyyy ') = ' all ' and to_char ( To_date (borrowdate, ' yyyy-mm-

Oracle asks yesterday last month's date

Sysdate,to_char (sysdate+7, ' Yyyy-mm-dd HH24:MI:SS ') from dual; --plus 1 weeksSelect Sysdate,to_char (sysdate+1, ' Yyyy-mm-dd HH24:MI:SS ') from dual; --plus 1 daysSelect Sysdate,to_char (sysdate+1/24, '

Date and string are converted to each other (including backward time periods) __java

= Handleunitvo.getorgtwo (); String starttime = Handleunitvo.getstarttime (); String endtime = Handleunitvo.getendtime (); String Statisticsway = Handleunitvo.getstatisticsway (); Date DateStart = new SimpleDateFormat ("Yyyy-mm-dd"). Parse (starttime); Date dateend = new SimpleDateFormat ("Yyyy-

Common SQL statements and cases

Cardid from borrow where To_char (To_date (borrowdate, ' yyyy-mm-dd '), ' yyyy ') = ' all ' --query + redo and to_ char (to_date (borrowdate, ' yyyy-mm-dd '), '

Common SQL statements and cases (Oracle)

Cardid, borrowdate from borrow where To_date (Borrowdate, ' yyyy-mm-dd hh24:mi:ss ') 2) query + go to weightSelect distinct Cardid from borrow where To_char (To_date (borrowdate, ' yyyy-mm-dd '), '

Oracle Table Partitioning

that the operation for T insertion will not be lost.Insufficient: There is still a consistency issue, and before the swap partition rename t_new to T, queries, updates, and deletions can cause errors or access to data. If data is required to be distributed across multiple partitions, split operations that require partitioning can increase the complexity of operations and reduce efficiency.Applies to the operation of a table that contains large amounts of data to go to a partition in a partition

SQL Server Date function collection and collation

the year =datename (week, ' 2004-10-15 ') , today is the week =datename (weekday, ' 2004-10-15 ') function parameters/Functions GetDate () returns the current date and time of the system DateDiff (INTERVAL,DATE1,DATE2) returns the difference between Date2 and date1 two dates, as specified by interval Date2-date1 DATEADD (interval,number,date) in the manner specified by interval, plus the date after number DatePart (interval,date) returns the integer value of the specified part of the dat

For more information about the use of ORACLE time functions (SYSDATE), oraclesysdate

; -- minus 1 hour select sysdate, to_char (sysdate-1/24/60, 'yyyy-mm-dd HH24: MI: ss') from dual; -- minus 1 minute select sysdate, to_char (sysdate-1/24/60/60, 'yyyy-mm-dd HH24: MI: ss') from dual; -- minus 1 second Analysis of O

Oracle calculates the total data from 1 to 12 months in a year (very practical)

-mm-yyyy'), 225);insert into PERSONSITUATION (id, rdate, nums) values (8, to_date('31-01-2015', 'dd-mm-yyyy'), 111);insert into PERSONSITUATION (id, rdate, nums) values (9, to_date('25-01-2013', 'dd-

Oracle calculates the total (very useful), oracle1-12 for 1-12 months of a year

-mm-yyyy'), 225);insert into PERSONSITUATION (id, rdate, nums) values (8, to_date('31-01-2015', 'dd-mm-yyyy'), 111);insert into PERSONSITUATION (id, rdate, nums) values (9, to_date('25-01-2013', 'dd-

Table of large table transformation ingredient area

),Mini_unit VARCHAR2 (18),Discountamount number (10,2),Product_type VARCHAR2 (18))Partition by range (SALESDATE)(Partition sales_1402 values less than (to_date (' 2014-03-01 ', ' yyyy-mm-dd '), partition sales_1403 values less than (to_date (' 2014-04-01 ', ' yyyy-mm-

oracle-Date format Conversion

week of the year when W is used to denote the month ordinal.  Time range under 24-hour system: 00:00:00-23:59:59Time range under 12-hour system: 1:00:00-12:59:59Like what:  Select To_char (sysdate, ' Yy-mm-dd hh24:mi:ss ') from dual//display: 08-11-07 13:22:42Select To_date (' 2005-12-25,13:25:59 ', ' Yyyy-mm-

Oracle Date Subtraction

.----------------------------------------------------------------------------------------*/Result INTEGER: = 0;Myts INTEGER; -The number of days of the given monthSCTs INTEGER; -The number of days away from 2001-12-30RQ DATE;DJT INTEGER: = 1; --BEGINMyts: = To_char (Last_day (To_date (NY, ' yyyymm ')), ' DD ');LOOPRQ: = to_date (ny| | SUBSTR (100+djt,2), ' YYYYMMDD ');SCTs: = Rq-to_date (' 2001-12-30 ', ' yyyy

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