A、The indexed column is declared as NOT NULL.
B、The indexed columns are used in the FROM clause.
C、The indexed columns are part of an expression.
D、The indexed column contains a wide range of values.
更多“In which scenario would index be most useful? （）”相关的问题
A、It contains data till the last backup B、It contains all data from target database until the current time C、It contains all data from only the committed transactions in the target database D、It contains all data except that which is used by the transactions in the current online redo file of target database
A、The indexed column is declared as NOT NULL. B、The indexed columns are used in the FROM clause. C、The indexed columns are part of an expression. D、The indexed column contains a wide range of values.
A、The indexed column is declared as NOT NULL. B、The indexed columns are used in the FROM clause. C、The indexed columns are part of an expression. D、The indexed column contains a wide range of values.
A、The indexed column is declared as NOT NULL. B、The indexed columns are used in the FROM clause. C、The indexed columns are part of an expression. D、The indexed column contains a wide range of values.
A、Change in the Oracle Database version B、Change in your network infrastructure C、Change in the hardware configuration of the database server D、Migration of database storage from non-ASM to ASM storage E、Database and operating system upgrade
A、A. The indexed column is declared as NOT NULL. B、B. The indexed columns are used in the FROM clause. C、C. The indexed columns are part of an expression. D、D. The indexed column contains a wide range of values.
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