单选题Which of the following resources can be referenced in the LOCK statement?()ARowBTableCColumnDTable space

单选题
Which of the following resources can be referenced in the LOCK statement?()
A

Row

B

Table

C

Column

D

Table space


参考解析

解析: 暂无解析

相关考题:

View the exhibit and examine the TRANS table‘s storage information.After a massive delete operation, you executed the following statement to shrink the TRANS table:SQL ALTER TABLE trans SHRINK SPACE CASCADE;Which statement describes the outcome of the command?()A. An error is produced.B. The table and all related objects are compacted and the position of the high-water mark (HWM) for the table is adjustedC. The table and related indexes are compacted but the position of the high-water mark (HWM) for the table remains unchangedD. The unused space in the table is reclaimed and returned to the tablespace and the data manipulation language (DML) triggers on the table are fired during the shrinking process

Evaluate the SQL statement: TRUNCATE TABLE DEPT; Which three are true about the SQL statement? () A. It releases the storage space used by the table.B. It does not release the storage space used by the table.C. You can roll back the deletion of rows after the statement executes.D. You can NOT roll back the deletion of rows after the statement executes.E. An attempt to use DESCRIBE on the DEPT table after the TRUNCATE statement executes will display an error.F. You must be the owner of the table or have DELETE ANY TABLE system privileges to truncate the DEPT table

Which two statements are true about InnoDB auto-increment locking?() A.The auto-increment lock can be a table-level lockB.InnoDB never uses table-level locksC.Some settings for innodb_autoinc_lock_mode can help reduce lockingD.InnoDB always protects auto-increment updates with a table-level lock

Which kind of non-sourced UDF can be created so that it only returns a single value?() A.RowB.TableC.ScalarD.Column

Which of the following resources can be explicitly locked?() A.RowB.PageC.TableD.Column

In which of the following situations should correlation names be used?() A.A table referenced in the FROM clause has no indexed column.B.The table referenced in the FROM clause has more than 200 columns.C.Two or more tables in the FROM clause have identical column names.D.The FROM clause contains two or more tables in the SELECT statement.

A trigger can be created on which of the following objects?() A.ViewB.Catalog TableC.Stored ProcedureD.Global Temporary Table

A programmer wants to generate values for a numeric ID column in their EXPENSE table. The ID column values need to be incremented by 1000 for each new expense report added to the EXPENSE table. Which DB2 object can be referenced by an INSERT statement to meet thisrequirement?()A.SequenceB.Table FunctionC.Identity ColumnD.INSTEAD OF Trigger

A trigger can be created on which of the following objects?()A、ViewB、Catalog TableC、Stored ProcedureD、Global Temporary Table

In which of the following situations should correlation names be used?()A、A table referenced in the FROM clause has no indexed column.B、The table referenced in the FROM clause has more than 200 columns.C、Two or more tables in the FROM clause have identical column names.D、The FROM clause contains two or more tables in the SELECT statement.

Which of the following resources can be referenced in the LOCK statement?()A、RowB、TableC、ColumnD、Table space

Which of the following resources can be explicitly locked?()A、RowB、PageC、TableD、Column

A programmer wants to generate values for a numeric ID column in their EXPENSE table. The ID column values need to be incremented by 1000 for each new expense report added to the EXPENSE table. Which DB2 object can be referenced by an INSERT statement to meet thisrequirement?()A、SequenceB、Table FunctionC、Identity ColumnD、INSTEAD OF Trigger

To which of the following resources can a lock be applied?()A、RowB、AliasC、BitmapD、Column

Which three are true?()A、A MERGE statement is used to merge the data of one table with data from another.B、A MERGE statement replaces the data of one table with that of another.C、A MERGE statement can be used to insert new rows into a table.D、A MERGE statement can be used to update existing rows in a table.

Evaluate the SQL statement:TRUNCATE TABLE DEPT;Which three are true about the SQL statement? ()A、It releases the storage space used by the table.B、It does not release the storage space used by the table.C、You can roll back the deletion of rows after the statement executes.D、You can NOT roll back the deletion of rows after the statement executes.E、An attempt to use DESCRIBE on the DEPT table after the TRUNCATE statement executes will display an error.F、You must be the owner of the table or have DELETE ANY TABLE system privileges to truncate the DEPT table

You created the DEPT table by using the following command:   CREATE TABLE scott.dept   (deptno NUMBER(3),   dname VARCHAR2(15),   loc VARCHAR2(15) )   STORAGE (INITIAL 100K NEXT 50K  MAXEXTENTS 10 PCTINCREASE 5  FREELIST GROUPS 6 FREELISTS 4);You are required to shrink the DEPT table. While performing the shrink operation, you want to ensure that the recovered space is returned to the tablespace in which the DEPT table is stored. You do not want to shrink the indexes created on the DEPT table. What will you do to shrink the SCOTT.EMP table?()A、 Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE COMPACT; statement.B、 Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE; statement.C、 Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE CASCADE; statement.D、 You cannot shrink the SCOTT.EMP table.

You issued the following statement in your SQL*Plus session:   SQLALTER SESSION ENABLE RESUMABLE TIMEOUT 600;   Which operation is neither suspended nor resumed using the Automatic Resumable Allocation feature in your database?()A、 creating a table in your schema and you exceed your allocated space quota on the tablespaceB、 executing a long query that involves a sort operation and the statement runs out of temporary spaceC、 loading data into tables by using the SQL*Loader and the number of extents in the table reaches the maximum limitD、 creating a table in a dictionary-managed tablespace with an explicit MAXEXTENTS setting which results in an out of space error

Which two statements are true about InnoDB auto-increment locking?()A、The auto-increment lock can be a table-level lockB、InnoDB never uses table-level locksC、Some settings for innodb_autoinc_lock_mode can help reduce lockingD、InnoDB always protects auto-increment updates with a table-level lock

单选题A programmer wants to generate values for a numeric ID column in their EXPENSE table. The ID column values need to be incremented by 1000 for each new expense report added to the EXPENSE table. Which DB2 object can be referenced by an INSERT statement to meet thisrequirement?()ASequenceBTable FunctionCIdentity ColumnDINSTEAD OF Trigger

单选题To which of the following resources can a lock be applied?()ARowBAliasCBitmapDColumn

单选题Which of the following resources can be explicitly locked?()ARowBPageCTableDColumn

单选题You created the DEPT table by using the following command:   CREATE TABLE scott.dept   (deptno NUMBER(3),   dname VARCHAR2(15),   loc VARCHAR2(15) )   STORAGE (INITIAL 100K NEXT 50K  MAXEXTENTS 10 PCTINCREASE 5  FREELIST GROUPS 6 FREELISTS 4);You are required to shrink the DEPT table. While performing the shrink operation, you want to ensure that the recovered space is returned to the tablespace in which the DEPT table is stored. You do not want to shrink the indexes created on the DEPT table. What will you do to shrink the SCOTT.EMP table?()A Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE COMPACT; statement.B Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE; statement.C Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE CASCADE; statement.D You cannot shrink the SCOTT.EMP table.

多选题Which three are true? ()AA MERGE statement is used to merge the data of one table with data from another.BA MERGE statement replaces the data of one table with that of another.CA MERGE statement can be used to insert new rows into a table.DA MERGE statement can be used to update existing rows in a table.

单选题Which statement is true regarding synonyms?()ASynonyms can be created only for a table BSynonyms are used to reference only those tables that are owned by another user CA public synonym and a private synonym can exist with the same name for the same table DThe DROP SYNONYM statement removes the synonym, and the table on which the synonym has been created becomes invalid

单选题In which of the following situations should correlation names be used?()AA table referenced in the FROM clause has no indexed column.BThe table referenced in the FROM clause has more than 200 columns.CTwo or more tables in the FROM clause have identical column names.DThe FROM clause contains two or more tables in the SELECT statement.

单选题Which of the following resources can be referenced in the LOCK statement?()ARowBTableCColumnDTable space

单选题You issued the following statement in your SQL*Plus session:   SQLALTER SESSION ENABLE RESUMABLE TIMEOUT 600;   Which operation is neither suspended nor resumed using the Automatic Resumable Allocation feature in your database?()A creating a table in your schema and you exceed your allocated space quota on the tablespaceB executing a long query that involves a sort operation and the statement runs out of temporary spaceC loading data into tables by using the SQL*Loader and the number of extents in the table reaches the maximum limitD creating a table in a dictionary-managed tablespace with an explicit MAXEXTENTS setting which results in an out of space error