Which statement about the gyrocompass is FALSE().
A、Its accuracy remains the same at all latitudes
B、It seeks the true meridian
C、It can be used near the Earth's magnetic poles
D、If an error exists,it is the same on all headings
A、Its accuracy remains the same at all latitudes
B、It seeks the true meridian
C、It can be used near the Earth's magnetic poles
D、If an error exists,it is the same on all headings
A、A.All of the assert statements are used appropriately. B、B.Only the assert statement on line 12 is used appropriately. C、C.Only the assert statement on line 15 is used appropriately. D、D.Only the assert statement on line 18 is used appropriately. E、E.Only the assert statements on lines 12 and 15 are used appropriately. F、F.Only the assert statements on lines 12 and 18 are used appropriately. H、G.Only the assert statements on lines 15 and 18 are used appropriately.
A、The CONNECT statement B、The first FETCH of a cursor C、The BEGIN TRANSACTION statement D、The first executable SQL statement
A、in the INTO clause of an INSERT statement B、in the FROM clause of a SELECT statement C、in the GROUP BY clause of a SELECT statement D、in the WHERE clause of a SELECT statement E、in the SET clause of an UPDATE statement F、in the VALUES clause of an INSERT statement
A、in the INTO clause of an INSERT statement B、in the FROM clause of a SELECT statement C、in the GROUP BY clause of a SELECT statement D、in the WHERE clause of a SELECT statement E、in the SET clause of an UPDATE statement F、in the VALUES clause of an INSERT statement
A、A then statement is mandatory in a term B、If a term does not contain a from statement, all routers match C、If a term does not contain a from statement, the Junos OS will not commit D、A then statement is not mandatory in a term
A、Selection, projection, join B、Difference, projection, join C、Selection, intersection, join D、Intersection, projection, join E、Difference, projection, product
A、The order of the terms in a policy is irrelevant. B、The action is specified in a then statement. C、Terms are optional in a policy. D、The match condition can be identified with a from statement. E、A from statement is mandatory in a term.
A、A routing policy cannot have more than one term. B、If a term does not contain a from statement, all routes match. C、If a term does not contain a from statement, the Junos OS will not commit. D、A then statement is not mandatory in a term.
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.
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.