<强> 1,强> SQLite:
SELECT “AA”, | |,“BB”, | |,“CC”;
<强> 2,强> MySQL:
SELECT CONCAT (“AA”,“BB”,“CC”);
<强> 3 强> sql Server,访问:
SELECT “AA”+“BB”+“CC”;
沃克* * * * * *
<强> 1,强> SQLite:
SELECT “AA”, | |,“BB”, | |,“CC”;
<强> 2,强> MySQL:
SELECT CONCAT (“AA”,“BB”,“CC”);
<强> 3 强> sql Server,访问:
SELECT “AA”+“BB”+“CC”;
沃克* * * * * *