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[多选] 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.

An IBM System Storage N6040 customer wants to utilize point-in-time copies to protect the datafor a Windows application. The server is using FCP to connect to the LUN. Which of the followingproducts would be required to perform this function?() SnapShot。 FlashCopy。 SnapProtect。 Tivoli StorageFlashCopy Manager。 灌注桩白天施工时其噪声排放限值不超过()d 75。 80。 85。 90。 雨季移植 You find that the execution time of reports in your datawarehouse application is significantly high. You suspect the lack of indexes to be the reason for the degradation in performance.  Which advisory component would you refer to, in order to determine the appropriate indexes?()  Memory Advisor。 Segment Advisor。 SQL Access Advisor。 Automatic Workload Repository (AWR)。 Automatic Database Diagnostic Monitor (ADDM)。 A developer is creating a class Book, that needs to access class Paper. The Paper class is deployed in a JAR named myLib.jar. Which three, taken independently, will allow the developer to use the Paper class while compiling the Book class?() The JAR file is located at $JAVA_HOME/jre/classes/myLib.jar.。 The JAR file is located at $JAVA_HOME/jre/lib/ext/myLib.jar..。 The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar/Paper.class.。 The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar.。 The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -cp /foo/myLib.jar/Paper Book.java.。 The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -d /foo/myLib.jar Book.java。 The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -classpath /foo/myLib.jar Book.java。 Which two statements are true about WHERE and HAVING clauses? ()
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