/// /// 10位时间戳转为C#格式时间 /// /// /// <returns></returns> public static DateTime ConvertStringToDateTime(string timeStamp) { Int64 begtime = Convert.ToInt64(timeStamp) sqlite 日期型 字符串转为日期型 因为sqlite为弱引用,使用字段...
4 INDEX Locates the position of a character in a string (Teradata extension) 5 POSITION Locates the position of a character in a string (ANSI standard) 6 TRIM Trims blanks from a string 7 UPPER Converts a string to uppercase 8 LOWER Converts a string to lowercaseExample...
Making Changes to Existing User Privileges Using SQL Giving Users Access to VantageCloud Lake Using SQL Revoking User Access to VantageCloud Lake Using SQL Revoking VantageCloud Lake User Privileges Using SQL Dropping a User Using SQL Working with Users, Roles, and Profiles: Operational DBA...
Cons String manipulation Likelihood to Recommend The simplicity of use, albeit I need to be able to code effectively, but what it enables me to do, querying billion row tables and getting a response in seconds is amazing. It enables me to focus my time on 'looking' at the dataRead full...
An ODATA filter query to restrict the entries returned (e.g. stringColumn eq 'string' OR numberColumn lt 123). Order By $orderby string An ODATA orderBy query for specifying the order of entries. Top Count $top integer Total number of entries to retrieve (default = all). Skip Co...
private string ExcelToStudent() { /*---*/ var preStr = DateTime.Now.ToString("yyyyMMddHHmmssfff") + "_";//文件前缀 var httpFile = Request.Files["fileUpload"]; bool flag = !(httpFile.ContentType != "application/vnd.ms-excel&q ...
rpad(string text, length int [, fill text]) 通过填充字符fill(缺省为空格),把string填充到length长度,如果string已经比length长则将其尾部截断。如果fill为空串或者length为负数则返回null。 如果fill为空串且string长度小于length时,返回原字符串,如果length为负数则返回空串。 如果fill为空串且string长度小于lengt...
logical specifying whether or not to trim the white character of string data for reading. returnDataFrame logical indicating whether or not to convert the result from a list to a data frame (for use inrxReadNextonly). IfFALSE, a list is returned. ...
rpad(string text, length int [, fill text]) 通过填充字符fill(缺省为空格),把string填充到length长度,如果string已经比length长则将其尾部截断。如果fill为空串或者length为负数则返回null。 如果fill为空串且string长度小于length时,返回原字符串,如果length为负数则返回空串。 如果fill为空串且string长度小于lengt...
Insert Select, Insert or Create statements for a table directly into the current Query, or Code window. (String formatting/escaping will be added to match the language of the target window.) Display detailed properties for an object in the Properties window ...