网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
which one of the following accurately describes field names?（）
- A、they must be unique in a database
- B、they can only be used once in a view
- C、they can only used once on each form
- D、they can be used mulriple times on a form
参考答案
更多 “which one of the following accurately describes field names?（）A、they must be unique in a database B、they can only be used once in a view C、they can only used once on each form D、they can be used mulriple times on a form ” 相关考题
考题
●Which one of these statements about connecting to the Internet is true? (68) .(68) A．The Internet can only be used to link computers with same operating systemB．The Internet can be used to connect computers with different ISPC．You must have a telephone line to connect to the InternetD．You must have a modem to connect to the Internet
考题
Which one of these statements about connecting to the Internet is true?(68).A．The Internet can only be used to link computers with same operating systemB．The Internet can be used to connect computers with different ISPC．You must have a telephone line to connect to the InternetD．You must have a modem to connect to the Internet
考题
You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation?()
A. The backup as copy can only be taken to diskB. The backup as copy can only be taken to tapeC. Backup can be performed only when the instance is shutdownD. Backup will constitute all used and unused blocks in the database
考题
Which two statements are true about the Automatic Diagnostic Repository (ADR)?() (Choose two.)
A. The ADR base keeps all diagnostic information in binary formatB. SQL*Plus provides the ADRI script, which can be used to work with ADRC. The ADR can be used for problem diagnosis only when the database is openD. The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to nullE. The ADR can be used for problem diagnosis even when the database instance is downF. The ADR base is shared across multiple instances
考题
You want to perform an RMAN backup of database as a copy. Which two factors will you consider whileperforming the backup operation?() (Choose two).
A. The backup as copy can only be taken to diskB. The backup as copy can only be taken to tapeC. Backup can be performed only when the instance is shutdownD. Backup will constitute all used and unused blocks in the database
考题
A user copied files from a CD and now the files can only be opened as read－only. Which of the following utilities can be used to allow the user the ability to edit the files?()
A.EDITB.CHMODC.ATTRIBD.CONVERT
考题
Which of the following constraint types can be used to ensure the value of an INTEGER column references only positive values?()
A.UniqueB.CheckC.ReferentialD.Informational
考题
Which of the following constraint types can be used to ensure the value of an INTEGER column references only positive values?（）A、UniqueB、CheckC、ReferentialD、Informational
考题
What is the use of an "all configuration" backup in Cisco UCS？（）A、 Can be used to migrate from a 6120 to a 6140 and retain the same service profilesB、 Can only be used on the fabric interconnect on which it was createdC、 Can be used to migrate from a 6120 to 6140 and retain system IP addresses and cluster informationD、 Can be used to match firmware versions between 6120 and 6140 during a migration
考题
Which of the following statements about a Sales Catalog is TRUE？（）A、A store can only have one sales catalog.B、A sales catalog is used to bundle similar products.C、A sales catalog may be used to place a product in more than one category.D、Every store must have a sales catalog.
考题
which one of the following best where layer can be used?（）A、form B、page C、subform D、all of the above
考题
A user copied files from a CD and now the files can only be opened as read-only. Which of the following utilities can be used to allow the user the ability to edit the files?（）A、EDITB、CHMODC、ATTRIBD、CONVERT
考题
which one of the following types of actions can be used on unopened doc?（）A、 form action B、 view action C、 hotspot action D、 db action
考题
Which two statements are true about the Automatic Diagnostic Repository （ADR）？（） A、 The ADR base keeps all diagnostic information in binary formatB、 SQL*Plus provides the ADRI script， which can be used to work with ADRC、 The ADR can be used for problem diagnosis only when the database is openD、 The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to nullE、 The ADR can be used for problem diagnosis even when the database instance is downF、 The ADR base is shared across multiple instances
考题
Which two statements are true about WHERE and HAVING clauses? （）A、A WHERE clause can be used to restrict both rows and groups.B、A WHERE clause can be used to restrict rows only.C、A HAVING clause can be used to restrict both rows and groups.D、A HAVING clause can be used to restrict groups only.E、A WHERE clause CANNOT be used in a query of the query uses a HAVING clause.F、A HAVING clause CANNOT be used in subqueries.
考题
What is true about sequences? （）A、Once created, a sequence belongs to a specific schema.B、Once created, a sequence is linked to a specific table.C、Once created, a sequence is automatically available to all users.D、Only the DBA can control which sequence is used by a certain table.E、Once created, a sequence is automatically used in all INSERT and UPDATE statements.
考题
Which two statements about subqueries are true? （）A、A subquery should retrieve only one row.B、A subquery can retrieve zero or more rows.C、A subquery can be used only in SQL query statements.D、Subqueries CANNOT be nested by more than two levels.E、A subquery CANNOT be used in an SQL query statement that uses group functions.F、When a subquery is used with an inequality comparison operator in the outer SQL statement, the column list in the SELECT clause of the subquery should contain only one column.
考题
Which statements describe the capabilities of the DBMS_NETWORK_ACL_ADMIN package?（）A、It can be used to allow the access privilege settings for users but not roles.B、It can be used to allow the access privilege settings for users as well as roles.C、It can be used to control the time interval for which the access privilege is available to a user.D、It can be used to selectively restrict the access for each user in a database to different host computers.E、It can be used to selectively restrict a user's access to different applications in a specific host computer.
考题
You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation？（）A、 The backup as copy can only be taken to diskB、 The backup as copy can only be taken to tapeC、 Backup can be performed only when the instance is shutdownD、 Backup will constitute all used and unused blocks in the database
考题
Which two statements are true about the Automatic Diagnostic Repository (ADR)?（） (Choose two.)A、The ADR base keeps all diagnostic information in binary formatB、SQL*Plus provides the ADRI script, which can be used to work with ADRC、The ADR can be used for problem diagnosis only when the database is openD、The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to nullE、The ADR can be used for problem diagnosis even when the database instance is downF、The ADR base is shared across multiple instances
考题
You want to perform an RMAN backup of database as a copy. Which two factors will you consider whileperforming the backup operation?（） (Choose two).A、The backup as copy can only be taken to diskB、The backup as copy can only be taken to tapeC、Backup can be performed only when the instance is shutdownD、Backup will constitute all used and unused blocks in the database
考题
单选题What is the use of an "all configuration" backup in Cisco UCS？（）A
Can be used to migrate from a 6120 to a 6140 and retain the same service profilesB
Can only be used on the fabric interconnect on which it was createdC
Can be used to migrate from a 6120 to 6140 and retain system IP addresses and cluster informationD
Can be used to match firmware versions between 6120 and 6140 during a migration
考题
单选题Which of the following statements about a Sales Catalog is TRUE？（）A
A store can only have one sales catalog.B
A sales catalog is used to bundle similar products.C
A sales catalog may be used to place a product in more than one category.D
Every store must have a sales catalog.
考题
多选题Which two statements are true about WHERE and HAVING clauses? （）AA WHERE clause can be used to restrict both rows and groups.BA WHERE clause can be used to restrict rows only.CA HAVING clause can be used to restrict both rows and groups.DA HAVING clause can be used to restrict groups only.EA WHERE clause CANNOT be used in a query of the query uses a HAVING clause.FA HAVING clause CANNOT be used in subqueries.
考题
单选题which one of the following accurately describes field names?（）A
they must be unique in a database B
they can only be used once in a view C
they can only used once on each form D
they can be used mulriple times on a form
考题
单选题which one of the following types of actions can be used on unopened doc?（）A
form action B
view action C
hotspot action D
db action
考题
问答题Can you find the missing value on the roof of the following house? Each of the numbers on the windows and door must be used only once and no number can be reversed.
热门标签
最新试卷