Methods to query content-based video include ____________________, ____________________, ____________________, ____________________, ____________________ and Concept query (query by keyword).

In Access2016, the data source of the query can be (). A: Table B: Query C: Table, query and report D: Table and query

The following () does not belong to the operation query. A: Parameter query B: Generate table query C: Update query D: Delete query

在命令窗口输入（）命令可以建立查询。 A: MODIFY QUERY B: EDIT QUERY C: CREATE QUERY D: TYPE QUERY

Which three flow-control port states lead to enabled link flow control？ （） A:  Receive port： Enabled， Transmit port： Enabled B:  Receive port： Enabled， Transmit port： Desired C:  Receive port： Enabled， Transmit port： Disabled D:  Receive port： Disabled， Transmit port： Desired E:  Receive port： Desired， Transmit port： Desired

SQL的含义是哪个？ A: Standard query language B: structured query language C: speedy query language D: super query language

SQL是哪三个单词的缩写 A: Selected Query Langue B: procedured query language C: Standard Query Language D: Structured Query Language

在关系数据库中，SQL是指（ ）。 A: Selected Query Language B: Procedured Query Language C: Structured Query Language D: Standard Query Language

The port in which crew or passengers go on board the ship is called（）. A: port of call B: port of embarkation C: port of destination D: port of disembarkatio

CIF should be followed by( )． A: port of transshipment B: port of destination C: port of call D: port of shipment