"Equivalent SQL-statement" database synchronization scheme has versatility, reliability, DBMS independence, heterogeneous, accessibility and other technical characteristics which enabled it adapt to the major database synchronization of inner-outer networks under network isolation condition.
等价SQL语句法数据库同步方案有通用性、可靠性、DBMS无关性、异构性、易用性等技术特点，这些特点使得它能够达到大多数网络隔离环境下内外网的数据库同步要求。
参考来源 - 网络隔离环境下数据库同步技术研究及应用·2,447,543篇论文数据，部分数据来源于NoteExpress
Note: This is equivalent to selecting a database column in the where clause of a SQL statement.
注意：这相当于在sql语句的where子句中选择一个数据库列。
Think of this function as the equivalent to an SQL SELECT statement with a WHERE clause.
可以把这个函数看作相当于带 WHERE 子句的 SQL SELECT 语句。
Note: This is the equivalent to adding a where clause in a SQL SELECT statement.
注意：这相当于在SQL select语句中增加一个where子句。
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