What is true about joining tables through an equijoin?（）A、You can join a maximum of two tables through an equijoin.B、You can join a maximum of two columns through an equijoin.C、You specify an equijoin condition in the SELECT or FROM clauses of a SELECT statement.D、To join two tables through an equijoin, the columns in the join condition must be primary key and foreign key columns.E、You can join n tables (all having single column primary keys) in a SQL statement by specifying a minimum of n-1 join conditions.
What is true about joining tables through an equijoin?（）
- A、You can join a maximum of two tables through an equijoin.
- B、You can join a maximum of two columns through an equijoin.
- C、You specify an equijoin condition in the SELECT or FROM clauses of a SELECT statement.
- D、To join two tables through an equijoin, the columns in the join condition must be primary key and foreign key columns.
- E、You can join n tables (all having single column primary keys) in a SQL statement by specifying a minimum of n-1 join conditions.
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What topics did they talk about at the table? A、sexB、religionC、current Korean cinemaD、politicsE、TaxesF、real estate
The EMPLOYEES table has these columns:Management wants to add a default value to the SALARY column. You plan to alter the table by using this SQL statement:What is true about your ALTER statement?() A. Column definitions cannot be altered to add DEFAULT values.B. A change to the DEFAULT value affects only subsequent insertions to the table.C. Column definitions cannot be altered at add DEFAULT values for columns with a NUMBER data type.D. All the rows that have a NULL value for the SALARY column will be updated with the value 5000.
Evaluate the set of SQL statements:What is true about the set?() A. The DESCRIBE DEPT statement displays the structure of the DEPT table.B. The ROLLBACK statement frees the storage space occupies by the DEPT table.C. The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist.D. The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.
What is true about the operation of the Infranet Enforcer? () A. It assigns users a set of roles.B. It allows access based on auth table entries.C. It verifies whether an endpoint meets security requirements.D. It configures the UAC agent to allow or deny access to resources.
Which statement is true about a forwarding table?() A.It stores a subset of information from the routing table.B.It contains routes learned from all protocols to a destination.C.It provides a database for routes selected and placed into the routing table.D.Every routing protocol maintains its own forwarding table.
What is true about the operation of the Infranet Enforcer? （）A、It assigns users a set of roles.B、It allows access based on auth table entries.C、It verifies whether an endpoint meets security requirements.D、It configures the UAC agent to allow or deny access to resources.
Which statement is true about a forwarding table?（）A、It stores a subset of information from the routing table.B、It contains routes learned from all protocols to a destination.C、It provides a database for routes selected and placed into the routing table.D、Every routing protocol maintains its own forwarding table.
Which statement is true about the routing table?（）A、The routing table exists in the control plane only.B、The routing table exists in the control plane and in the forwarding plane.C、The routing table contains both active and inactive routes.D、The routing table is stored on compact flash.
Which statement is true about the routing table?（）A、The routing table exists in the control plane onlyB、The routing table exists in the control plane and the forwarding planeC、The routing table contains both active and inactive routesD、The routing table is stored on compact flash
Which two statements are true about the forwarding table?（）A、The forwarding table lists each source protocol and preference for each destinationB、The forwarding table constains only active routesC、The forwarding table is used to process transit packetsD、The forwarding table is stored in compact flash
Which statement is true about the forwarding table?（）A、The forwarding table is stored in the control plane onlyB、The forwarding table is stored in the control plane and in the forewarding planeC、The forwarding table contains both active and inactive routesD、The forwarding table can contain only sigle next hop per destination
Which two statements are true about the forwarding table?（）A、The forwarding table lists each source protocol and preference for each destination.B、The forwarding table contains only active routes.C、The forwarding table is used to process transit packets.D、The forwarding table is stored in compact flash
What is true about version-enabled tables？（）A、The unit of versioning is the schema.B、It is possible to version enable a table pertaining to SYS.C、There are as many segments as versions for the same base table.D、It is possible to create workspaces if there is no version-enabled table in the database.
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.
Which two statements about creating constraints are true?（）A、Constraint names must start with SYS_CB、All constraints must be defines at the column levelC、Constraints can be created after the table is createdD、Constraints can be created at the same time the table is createdE、Information about constraints is found in the VIEW_CONSTRAINTS dictionary view
单选题Which statement is true about a forwarding table?（）AIt stores a subset of information from the routing table.BIt contains routes learned from all protocols to a destination.CIt provides a database for routes selected and placed into the routing table.DEvery routing protocol maintains its own forwarding table.
单选题What is true about the operation of the Infranet Enforcer? （）AIt assigns users a set of roles.BIt allows access based on auth table entries.CIt verifies whether an endpoint meets security requirements.DIt configures the UAC agent to allow or deny access to resources.
单选题Which statement is true about the forwarding table?（）AThe forwarding table is stored in the control plane onlyBThe forwarding table is stored in the control plane and in the forewarding planeCThe forwarding table contains both active and inactive routesDThe forwarding table can contain only sigle next hop per destination
单选题Which statement is true about the routing table?（）AThe routing table exists in the control plane onlyBThe routing table exists in the control plane and the forwarding planeCThe routing table contains both active and inactive routesDThe routing table is stored on compact flash
单选题Which statement is true about the forwarding table?（）AThe forwarding table is stored in the control plane only.BThe forwarding table is stored in the control plane and in the forwarding plane.CThe forwarding table contains both active and inactive routes.DThe forwarding table can contain only a single next hop per destination.
多选题Which two statements about creating constraints are true?（）AConstraint names must start with SYS_CBAll constraints must be defines at the column levelCConstraints can be created after the table is createdDConstraints can be created at the same time the table is createdEInformation about constraints is found in the VIEW_CONSTRAINTS dictionary view
单选题What is true about sequences? （）AOnce created, a sequence belongs to a specific schema.BOnce created, a sequence is linked to a specific table.COnce created, a sequence is automatically available to all users.DOnly the DBA can control which sequence is used by a certain table.EOnce created, a sequence is automatically used in all INSERT and UPDATE statements.
多选题Which two statements are true about the forwarding table?（）AThe forwarding table lists each source protocol and preference for each destination.BThe forwarding table contains only active routes.CThe forwarding table is used to process transit packets.DThe forwarding table is stored in compact flash.
单选题What is true about updates through a view? （）AYou cannot update a view with group functions.BWhen you update a view group functions are automatically computed.CWhen you update a view only the constraints on the underlying table will be in effect.DWhen you update a view the constraints on the views always override the constraints on the underlying tables.
多选题Which two statements are true about the forwarding table?（）AThe forwarding table lists each source protocol and preference for each destination.BThe forwarding table contains only active routes.CThe forwarding table is used to process transit packets.DThe forwarding table is stored in compact flash
多选题Which two statements are true about the forwarding table?（）AThe forwarding table lists each source protocol and preference for each destinationBThe forwarding table constains only active routesCThe forwarding table is used to process transit packetsDThe forwarding table is stored in compact flash
单选题What is true about version-enabled tables？（）AThe unit of versioning is the schema.BIt is possible to version enable a table pertaining to SYS.CThere are as many segments as versions for the same base table.DIt is possible to create workspaces if there is no version-enabled table in the database.