在C#中的字符串有一个StartsWith方法,可以很方便的判断是符串是否以给定的子串开始。 在sql中我们也可以使用一个方法来判断,这个判断方法不使用系统字符串的方法,而使用like。 如下所示: declare @str1 varchar(100),@str2 varchar(100) set @str1 = 'abc123' set @str2 = '123abc123' if @str1 like ...
ClassMethodPredicates1(){s q1="SELECT Name,Home_State FROM Sample.Person "s q2="WHERE Home_State IN('MA','VT','NH')"s myquery=q1 _ q2 s tStatement=##class(%SQL.Statement).%New()s qStatus=tStatement.%Prepare(myquery)ifqStatus '=1{w"%Prepare failed:"d $System.Status.DisplayErr...
*/staticStringcheckWhere(String where){where=null==where?"":where.trim();if(!where.isEmpty()){if(!where.toUpperCase().startsWith("WHERE")){thrownewIllegalArgumentException("WHERE expression must start with 'WHERE'(case insensitive)");}/** 禁止字符串常量比较 * 如 'owner_id'='owner' "_...
(current); sf->current = current; /* * if we are at beginning of string * and in single-quote or double quote mode * then pretend the input starts with a quote */ if (*pos == 0 && (sf->flags & (FLAG_QUOTE_SINGLE | FLAG_QUOTE_DOUBLE))) { *pos = parse_string_core(s, ...
If you get the warning below, proceed to Step 3 by clicking OK. Warning This file contains characters in Unicode format which will be lost if you save this file as an ANSI encoded text file. To keep the Unicode information, click Cancel below and then select one of the Unicode opt...
(instead of the file name). But this is just an illustration. ' Usually this is useful if you have an XML data ' stream that is created by some other means that you want to bulk ' load. This example starts with an XML text file, so it may not be the ' best to use a stream ...
CASE Statement when not null , else if Help Case statement with Between in Where Clause Case statement with Date Comparison CASE statement with substring CASE WHEN - Adding collate into it. Case WHEN and concatenate string CASE WHEN isnumeric(ColValue) THEN ... ELSE ... END CASE WHEN MIN,...
If aSqlExceptionis generated by the method executing aSqlCommand, theSqlConnectionremains open when the severity level is 19 or less. When the severity level is 20 or greater, the server ordinarily closes theSqlConnection. However, the user can reopen the connection and continue. ...
Hour values from 01 through 11 represent the hours before noon if neither AM nor PM is specified. The values represent the hours before noon when AM is specified. The values represent hours after noon if PM is specified. The hour value 12 represents the hour that starts at noon if neither...
When TDE is configured to use a customer-managed key, continuous access to the TDE protector is required for the database to stay online. If the server loses access to the customer-managed TDE protector in AKV, in up to 10 minutes a database starts denying all connections with the corres...