A、When view V1 is created
B、Each time the REFRESH VIEW v1 statement is executed
C、Each time an SQL statement is executed against view V1
D、Only the first time an SQL statement is executed against view V1
更多“A view is created with the following statement:CREATE VIEW v1 AS SELECT col1, col2, col3 FROM t1 WHERE col4 > 1000 ; When will DB2 access the data from table T1 for view V1?（）”相关的问题
A、Create a table view. B、Create a view in any schema. C、Create a view in your schema. D、Create a sequence view in any schema. E、Create a view that is accessible by everyone. F、Create a view only of it is based on tables that you created.
A、Create a table view. B、Create a view in any schema. C、Create a view in your schema. D、Create a sequence view in any schema. E、Create a view that is accessible by everyone. F、Create a view only of it is based on tables that you created.
A、A. Create a table view. B、B. Create a view in any schema. C、C. Create a view in your schema. D、D. Create a sequence view in any schema. E、E. Create a view that is accessible by everyone. F、F. Create a view only of it is based on tables that you created.
A、Constraint names must start with SYS_C B、All constraints must be defines at the column level C、Constraints can be created after the table is created D、Constraints can be created at the same time the table is created E、Information about constraints is found in the VIEW_CONSTRAINTS dictionary view
A、Constraint names must start with SYS_C B、All constraints must be defines at the column level C、Constraints can be created after the table is created D、Constraints can be created at the same time the table is created E、Information about constraints is found in the VIEW_CONSTRAINTS dictionary view
A、A. Constraint names must start with SYS_C B、B. All constraints must be defines at the column level. C、C. Constraints can be created after the table is created. D、D. Constraints can be created at the same time the table is created. E、E. Information about constraints is found in the VIEW_CONSTRAINTS dictionary view.
A、creates a view with constraints B、creates a view even if the underlying parent table has constraints C、creates a view in another schema even if you don't have privileges D、creates a view regardless of whether or not the base tables exist
A、creates a view with constraints B、creates a view even if the underlying parent table has constraints C、creates a view in another schema even if you don't have privileges D、creates a view regardless of whether or not the base tables exist
A、creates a view with constraints B、creates a view even if the underlying parent table has constraints C、creates a view in another schema even if you don't have privileges D、creates a view regardless of whether or not the base tables exist
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