get current gmt date time in php

Ngày tải lên: 14/03/2014, 23:20

Ngày tải lên: 14/03/2014, 23:20

Ngày tải lên: 22/03/2014, 16:21

Ngày tải lên: 22/03/2014, 16:21

... setInterval() action, use the following syntax: clearInterval(myInterval); Using the syntax shown, you can initiate the setInterval() action at any time, calling any function. < Day ... following example: var myInterval:Object = setInterval(rotateClip, 1500); This example assigns the name myInterval to the setInterval() action. To remove the functionality of the setInterval() ... the setInterval() action: setInterval (updateMessageFunction, 20000, "Hello", arg2, arg3) A setInterval() action can be turned on and off by assigning a variable name, as in the...

Ngày tải lên: 20/10/2013, 14:15

Ngày tải lên: 18/12/2013, 10:03

... data in which none of that is necessary, a world in which all pipeline datasets are contained in the single table that is their destination or their point of origin. In this world, maintaining ... systems used in education, finance, health care, insurance, manufacturing, retailing and transportation—all industries in which the authors have had consulting experience. In using these methods, ... along inflow pipelines, and posted transactions as data destined for some kind of logfile, and as moving towards that destination along outflow pipelines. So if we can bring pending transactions into...

Ngày tải lên: 24/12/2013, 02:16

... management losing faith in data warehouse projects. As these large projects fell increasingly behind schedule and rose increasingly over budget— something large projects tend to do—the pressure increased to ... updating of warehouses, to real -time transactional updating. Data Cubes The first of these three developments is of minimal interest because it is pure technology, involving no advance in the semantics ... As we will explain later, when used in end -date columns, that value represents an unknown end date, and the time period it delimits is interpreted as still current. The last row in Figure Part...

Ngày tải lên: 24/12/2013, 02:16

... applying logfile transactions from that point in time forward to the point in time we are interested in. But the defining feature of reconstructable methods is not the movement of data from off-line ... of choosing one or more rows from a target table by specifying selection criteria, projecting one or more columns by listing the columns to be included in the query’s result set, and joining from ... to retrieve or update multiple rows in tables by coding a loop. In doing so, we are writing a procedure; we are telling the computer how to retrieve the rows we are inter- ested in. So we wrote...

Ngày tải lên: 24/12/2013, 02:16

... tables, and also to indicate several important points in time. In asserted version tables, clock ticks are used for effective time begin and end dates and for episode begin dates; and atomic clock ... by also inter- nalizing them within their target tables. In this book, we will show how the use of these internalized managed objects reduces the costs of maintaining databases by replacing external ... designing and maintaining data models that must explicitly define temporal data structures and integrity constraints on them. It also relieves developers of the burden of designing, writing and maintaining...

Ngày tải lên: 24/12/2013, 02:16

... whether a point in time is or is not contained in a period of time. Where P and T are, respectively, a point in time and a period of time, and T 1 and T 2 are dates delimiting T using the closed-open ... [aligns] with the time period, then it either [starts] the time period or [finishes] it. Otherwise, the point in time occurs [during] the time period. If the point in time [ excludes] the time period, ... con- straints on time periods, such as insuring that two time periods do not intersect. When representing time periods by means of begin and end dates, this is impossible to do with only an index. Here’s...

Ngày tải lên: 24/12/2013, 02:16

... tables, as of any point in past time, can be cre- ated from those versions. Another issue with mixing updates in place with versioning is that updates in place create a potential inconsistency with ... dur- ing a specified period of time. In an asserted version table, that period of time extends from each version’s effective begin date to its effective end date. In Asserted Versioning, the begin ... copied-from ver- sion ends its effective time period at this point in time, just as the updated copy of that version begins its effective time period at this same point in time. When this happens, we say...

Ngày tải lên: 24/12/2013, 02:16

... truth. Temporal Integrity Constraints The three integrity constraints in relational theory are entity integrity, referential integrity and domain integrity. Entity integ- rity insures that the ... either assertion time or effective time on their insert, update or delete transactions, it will seem to them that they are maintaining data in a conventional table. This maintenance is not done by writing SQL ... an effective time period. Eff-end. Effective end date. The date on which the business data in a row is no longer in effect. In other words, the date which is one clock tick past the last date on which...

Ngày tải lên: 24/12/2013, 02:16

... both effective dates and assertion dates, in which a time period starts on its begin date, and ends one clock tick prior to its end date. Effective begin and end dates, of course, indicate when ... with CURRENT TIMESTAMP, CURRENT_ DATE or getdate() , depending on the granularity and the DBMS. This statement will result in a view that is current whenever it is run. So, for example, run any time ... Creation Date The row creation date is the date the row is physically inserted into its table. In most cases, the row creation date will be identical with the assertion begin date. In the standard...

Ngày tải lên: 24/12/2013, 02:16

... set the date and time from within Terminal (Chapter 16 ). Use sudo (Section 16.7.5.1), type date yyyymmddhhmm.ss, and press Enter. (Of course, replace that code with the actual date and time you ... this time, and every email you send or receive is marked with this time. As you might expect, setting your Mac's clock is what the Date & Time pane is all about. 9.7.1. Date & Time ... accurate scientific clock on the Internet. (No need to worry about Daylight Saving Time, either; the time servers take that into account.) Tip: If you have a full -time Internet connection (cable...

Ngày tải lên: 21/01/2014, 04:20

... against non-temporal tables insert, update or delete individual rows representing objects, transactions against asserted version tables insert into a period of time, update within a period of time, ... same date. 3 At this point in time, the episode consi sts of a single version with an effective time period beginning in January 2010 and extending to 12/31/9999. Because the effective end date ... target table at the time of the insert. In the same way, a temporal insert into an asserted version table is valid just in case no version for that object exists in the target table, at the time...

Ngày tải lên: 21/01/2014, 08:20

... Wellness_Program_Category Wellness_Program Wellpgm_oid: bigint eff_beg_dt: datetime asr_beg_dt: datetime wellpgmcat_oid: bigint eff_beg_dt: datetime eff_end_dt: datetime asr_end_dt: datetime row_crt_dt: datetime client_wellpgm_oid: bigint eff_beg_dt: ... decimal(2,1) eff_end_dt: datetime asr_end_dt: datetime row_crt_dt: datetime Policy_Amendment policy-amend_oid: bigint eff_beg_dt: datetime asr_beg_dt: datetime asr_beg_dt: datetime epis_beg_dt: datetime epis_beg_dt: ... datetime client_oid: bigint asr_beg_dt: datetime client_nbr: char(10) epis_beg_dt: datetime client_nm: varchar(40) eff_end_dt: datetime asr_end_dt: datetime row_crt_dt: datetime eff_beg_dt: datetime Figure...

Ngày tải lên: 21/01/2014, 08:20

... Asserted Versioning are not included in this list, those other columns being effective begin date, effective end date, assertion begin date, assertion end date, episode begin date and row create date. And of ... significantly reduces the work involved in maintaining temporal data, and will eliminate the errors that would otherwise inevitably happen as temporal data is maintained. Using a framework like the ... taxonomy in terms of its topology. On a line representing a timeline, we can place a line segment representing an episode. We can also remove a line segment from that line. Given a line segment,...

Ngày tải lên: 21/01/2014, 08:20

... effective time it affects. As a relationship between a point in time and a period of time, the basic options are that the point in time can be earlier than the period of time, within the period of time, ... extends an existing episode backwards in time. But in doing so, it changes that episode’s begin date. As we can see from the schema common to all asserted version tables, the episode begin date is repeated ... Versioning Framework (AVF) assertion assertion begin date assertion end date assertion time shared assertion time statement transaction time version bi-temporal uni-temporal business data business...

Ngày tải lên: 21/01/2014, 08:20