【判断题】An LR parser will detect an error when it consults the parsing action table and finds an error entry. All empty entries in the action table are error entries. Errors are never detected by consulting t...
【单选题】You work as a database administrator for Supportcenter.cn. Because of space constraints, you decided to manually shrink the table. You executed the ALTER TABLE ....SHRINK SPACE statement to shrink the...
A.
The table is partitioned
B.
The table name is wrong.
C.
It is an index-Organized table (IOT)
D.
The table is stored in locally managedtablespace.
E.
The table is stored in atablespacewhere segment space is managed manually.
【简答题】const int hash_size = 997; // a prime number of appropriate size class Hash_table { public : Hash_table(); void clear(); Error_code insert( const Record &new_entry); Error_code retrieve( const Key &t...