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columns( 引用)
columns(reference)

columns 函数返回给定引用中的列数 。
the columns function returns the number of columns in a reference.

columns( d2) 返回 1
columns(d2) returns 1

columns( a1: c3) 返回 3
columns(a1: c3) returns 3

栏@ item: inmenu all columns
columns

未知文件signifies absence of data in list columns
unknown file

% 1ksignifies absence of data in list columns
%1k

oci_return_nulls return empty columns.
a simple ocifetchinto() example

ocinumcols() returns the number of columns in a statement.
example 1.

it provides info about columns, such as field names and field types.
it provides info about columns, such as field names and field types.

returns the number of columns in query for result_id or false on error
returns the number of columns in query for result_id or false on error

利用率visible items on device information columns (enable_bar_disable)
usage

after preparing or executing a query, this call gives you the number of columns in the query.
after preparing or executing a query, this call gives you the number of columns in the query.

for "immediate" queries, or for dynamic columns, an empty string is returned.
the column index is zero-based, not one-based as in sesam.

lists columns and associated privileges for the given table. returns an odbc result identifier or false on failure.
returns an odbc result identifier or false on failure.

over 500 newspaper columns on public affairs in the daily gleaner, the jamaica herald, and caribbean today newspapers.
over 500 newspaper columns on public affairs in the daily gleaner, the jamaica herald, and caribbean today newspapers.

these contain the number of columns (or fields) and rows (or records) respectively.
these contain the number of columns (or fields) and rows (or records) respectively.

if odbc_fetch_into() is used, passthru means that an empty string is returned for these columns.
if odbc_fetch_into() is used, passthru means that an empty string is returned for these columns.

ifx_blobinfile_mode(1): return byte columns in a file, the blob id lets you get at the file name.
it is up to you to handle this correctly.

\<bookmark_value\>columns 函数\</bookmark_value\>
\<bookmark_value\>columns function\</bookmark_value\>