百度试题 题目Which of the following database objects is considered executable using SQL?() A. View B. Table C. Routine D. Package 相关知识点: 试题来源: 解析 C.Routine 反馈 收藏
Which command is used to open the database after an incomplete recovery?() A. alter database open B. alter database open repairlog C. alter database open resetlogs D. alter database open resetlog E. alter database ...
A table of data representing a database result set,which is usually generated by executing a statement that queries the database.A ResultSet object maintains a cursor pointing to its current row of data.Initially the cursor is positioned before the first row.The next method moves the cursor ...
B．条件(2)充分，但条件(1)不充分。 C．条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分。 D．条件(1)充分，条件(2)也充分。 E．条件(1)和(2)单独都不充分，条件(1)和条件(2)联合起来也不充分。 等比数列{an}的前n项和为Sn，则a7＝。 (1)首项a1＝-4 (2)S6:S3＝7:8 ...
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Which of the following is used to insert data into a database? A. SELECT B. INSERT C. UPDATE D. DELETE 相关知识点: 试题来源: 解析 B。解析:INSERT 语句用于向数据库中插入数据。SELECT 是查询数据,UPDATE 是更新数据,DELETE 是删除数据。反馈 收藏 ...
Data is replicated between When database servers, so that the information remains consistent throughout the system and database users cannot tell which server or even know they are using in the DBMS system is said to exhibit, the replication transparency. 翻译结果5复制译文编辑译文朗读译文返回顶部...
Thus, the complete configuration space (which can be extended with object functions for optimization) is easily addressable by parallel indexing techniques and the database is therefore suitable for run-time applications (e.g. configuration on the Internet), which must be performed in real time....
aA DataBase Management System (DBMS) is a software application which allows the storage, retrieval, and manipulation of information in a prescribed format. One common form of organization is the table, which is formatted by row (record) and column (field). For example, a table storing data ...
value of 16.65%), and SQL Server (with a value of 13.21%) in third place. The values of the first 3 databases are added together to exceed 62% of the total. Microsoft Access ranks fourth (value about 9%), starting from the fifth place, the value of the database is less than 5%....