更多"Which of the following four drivers"的相关试题:
[单项选择]Which of the following four drivers can be defined as an illegal driver
[多项选择]In which four clauses can a subquery be used?（）
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
[单项选择]Which constraint can be defined only at the column level?（）
A. UNIQUE
B. NOT NULL
C. CHECK
D. PRIMARY KEY
E. FOREIGN KEY
[多项选择]Which four statements correctly describe functions that are available in SQL? （）
A. INSTR returns the numeric position of a named character.
B. NVL2 returns the first non-null expression in the expression list.
C. TRUNCATE rounds the column, expression, or value to n decimal places.
D. DECODE translates an expression after comparing it to each search value.
E. TRIM trims the heading of trailing characters (or both) from a character string.
F. NVL compares two expressions and returns null if they are equal, or the first expression of they are not equal.
G. NULLIF compares twp expressions and returns null if they are equal, or the first expression if they are not equal.
[多项选择]Which four vertical markets is IPsmartSuite focused?（）
A. manufacturing
B. legal
C. healthcare
D. financial
E. automotive
F. retail
[多项选择]Which four are correct guidelines for naming database tables?（）
A. Must begin with either a number or a letter.
B. Must be 1-30 characters long.
C. Should not be an Oracle Server reserved word.
D. Must contain only A-Z, a-z, 0-+, _, *, and #.
E. Must contain only A-Z, a-z, 0-9, _, $, and #.
F. Must begin with a letter.
[多项选择]Which four are components of the Cisco collaboration Architecture strategy?（）
A. interoperability
B. clod computing
C. intercompany communications
D. dedicated networking
E. video
F. enterprise social networking
G. covergence protocols
[多项选择]Which four are types of functions available in SQL? （）
A. string
B. character
C. integer
D. calendar
E. numeric
F. translation
G. date
H. conversion
[多项选择]Which four are attributes of single row functions? （）
A. cannot be nested
B. manipulate data items
C. act on each row returned
D. return one result per row
E. accept only one argument and return only one value
F. accept arguments which can be a column or an expression
