小编JAF*_*JAF的帖子

我有一个大致像这样的架构（这是我实际架构的简化）：

CREATE TABLE foo (
    key1 NUMERIC(6) NOT NULL,
    key2 VARCHAR(32) NOT NULL,
    val VARCHAR(255) NULL,
    CONSTRAINT foo_pk PRIMARY KEY (key1, key2) --PK on key1, key2
    )
GO
CREATE TABLE bar (
    key1 NUMERIC(6) NOT NULL,
    key2 VARCHAR(32) NOT NULL,
    val VARCHAR(255) NULL,
    CONSTRAINT bar_pk PRIMARY KEY (key1, key2) --PK on key1, key2
    )
GO
CREATE TABLE aliases (
    id VARCHAR(32) NOT NULL PRIMARY KEY,
    text VARCHAR(255) NOT NULL,
    CONSTRAINT aliases_uk UNIQUE (text) --PK on id, unique constraint on text …