sql date without time

Working with Dates in PL/SQL (date used in PL/SQL) The previous articles in this introductory PL/SQL series focused on working with strings and numbers in PL/SQL-based applications. without a doubt, strings and numbers are important, but it is

SQL Server Date and Time Processing set When the convert date conversion format is 20 or 120, the resulting string does not contain milliseconds.For example, select convert (varchar (23), getdate (), 120 or 20)21:46:43 When the date conversion

Using date types in PL/SQLThe previous article described the use of strings and numbers in PL/SQL. There is no doubt that strings and numbers are important, but you can be sure that no application is dependent on the date.You need to record events,

This is a feature that needs to be implemented today when developing systems According to the selected date, the query related content, but not according to the whole date to filter, but based on, year, month, Day split form to filter, such as 201

Common date functions SQL Server time and date function detailed, SQL Server, time, date, 1. Current system date, time Select GETDATE () 2. DateAdd returns a new datetime value on the basis of adding a period of time to the specified date For

MySQL date data type and time type usage summary MySQL date type: Date format, storage space occupied, date range comparison. Date type storage space date format date range -----------------------------------------------------------------------------

Date-time functions　　1. Get the current date getdateThe GETDATE () function returns the date and time of the computer on which the current SQL Server servers are located, in the format of the datetime data type. Its syntax format is GETDATE (). The

MySQL date type: Date Format, storage space occupied, and date range comparison.Date type storage space date format date range-----------------------------------------------------------------------------------Datetime 8 bytes YYYY-MM-DD hh: mm: SS 10

CONVERT (Data_type,expression[,style])CONVERT (varchar (10), field name, conversion format)DescriptionThis style is typically in the time type (Datetime,smalldatetime) and the string type (Nchar,nvarchar,char,varchar)It is only used when converting

Date-time functions　　1. Get the current date getdateThe GETDATE () function returns the date and time of the computer on which the current SQL Server servers are located, in the format of the datetime data type. Its syntax format is GETDATE (). The