Say for example we wanted to find all users that signed up for our application using a Gmail address. We can do a partial match against a column using the LIKE keyword. We can also specify a wildcard (or "match anything") in the match string using %. 例如,我们要查找使用Gmail地址注册...
, "defaultValue": "-5m" }, { "name": "source_filter", "type": "PX_STRING", "description": "The partial string to match the 'source' column.", "defaultValue": "" }, { "name": "destination_filter", "type": "PX_STRING", "description": "The partial string to match the '...
ALTER JAVA { SOURCE | CLASS } [ schema. ]object_name [ RESOLVER ( ( match_string [, ] { schema_name | - } )... ) ] { { COMPILE | RESOLVE } | invoker_rights_clause } ; ALTER LIBRARY Copy ALTER LIBRARY [ schema. ] library_name { library_compile_clause | { EDITIONABLE | NON...
match_string is either a fully qualified Java name, a wildcard that can match such a Java name, or a wildcard that can match any name. schema_name designates a schema to be searched for the corresponding Java schema object. A dash (-) as an alternative to schema_name indicates that...
MATCH, MATCHED, MAX, MAXVALUE, MEMBER, MERGE, MESSAGE_LENGTH, MESSAGE_OCTET_LENGTH, MESSAGE_TEXT, METHOD, MICROSECOND, MILLENNIUM, MIN, MINUTE, MINVALUE, MOD, MODIFIES, MODULE, MODULES, MONTH, MORE, MULTISET, MUMPS, NAME, NAMES, NATIONAL, NATURAL, NCHAR, NCLOB, NESTING, NEW, NEXT, NO,...
SQL_SP_MATCH_UNIQUE_PARTIAL (全級)SQL_SP_OVERLAPS (FIPS 過渡等級)SQL_SP_QUANTIFIED_COMPARISON (入門級)SQL_SP_UNIQUE (入門等級) SQL_SQL92_RELATIONAL_JOIN_OPERATORS 3.0 SQLUINTEGER 位掩碼,列舉 SELECT 語句中支援的關係聯結運算符,如 SQL-92 中所定義。每個位掩碼旁的括弧中會顯示必須支援此功能的SQL...
SQL_SP_MATCH_UNIQUE_PARTIAL (全級)SQL_SP_OVERLAPS (FIPS 過渡等級)SQL_SP_QUANTIFIED_COMPARISON (入門級)SQL_SP_UNIQUE (入門等級) SQL_SQL92_RELATIONAL_JOIN_OPERATORS 3.0 SQLUINTEGER 位掩碼,列舉 SELECT 語句中支援的關係聯結運算符,如 SQL-92 中所定義。每個位掩碼旁的括弧中會顯示必須支援此功能的SQL...
String comparison using the = operator assumes that both strings are identical. For partial string comparison options, refer to the LIKE operator, or the CONTAINS and CONTAINSTABLE full text predicates. The SQL Server Database Engine follows the ANSI/ISO SQL-92 specification (Section 8.2, Com...
public partial class UserDefinedFunctions { [Microsoft.SqlServer.Server.SqlFunction] public static SqlString MySqlFunction() { // 在此处放置代码 return new SqlString (string.Empty); } } 3) 修改该方法完成正则表达式验证(也可以添加其他方法) ...
MicrosoftSQL Server 将保留关键字用于定义、操作和访问数据库。保留关键字是 SQL Server 使用的 Transact-SQL 语言语法的一部分,用于分析和理解 Transact-SQL 语句和批处理。尽管在 Transact-SQL 脚本中使用 SQL Server 保留关键字作为标识符和对象名在语法上是可行的,但规定只能使用分隔标识符。 下表列出了 SQL ...