Question

plsql怎么重新建某个表索引语句

Answer 1

重建索引？

1. 可以删除原有的索引 再建立。

2. 直接增加新索引也可以。

Answer 2

public void save(){
try {
FileOutputStream outStream=this.openFileOutput("a.txt",Context.MODE_WORLD_READABLE);
outStream.write(text.getText().toString().getBytes());
outStream.close();
Toast.makeText(MyActivity.this,"Saved",Toast.LENGTH_LONG).show();
} catch (FileNotFoundException e) {
return;
}

Answer 3

alter index PK__索引名 rebuild;