sqlite 能不能 取出一张表的所有列,该怎么处理

c:shared>sqlite3 abc.sqlite
SQLite version 3.6.3
Enter ".help" for instructions
Enter SQL statements terminated with a ";"
sqlite> .d
BEGIN TRANSACTION;
CREATE TABLE t(id integer primary key autoincrement, col2 varchar(32));
INSERT INTO "t" VALUES(1,'k13');
INSERT INTO "t" VALUES(2,'fdasfl');
INSERT INTO "t" VALUES(3,'wang2');
INSERT INTO "t" VALUES(4,'fdasf');
INSERT INTO "t" VALUES(5,'fdasfaf');
INSERT INTO "t" VALUES(6,'fdasfaf');
INSERT INTO "t" VALUES(7,'fdasfaf');
INSERT INTO "t" VALUES(8,'fdasfaf');
INSERT INTO "t" VALUES(9,'fdasfaf');
INSERT INTO "t" VALUES(10,'k9');
DELETE FROM sqlite_sequence;
INSERT INTO "sqlite_sequence" VALUES('t',10);
COMMIT;
sqlite> .schema t
CREATE TABLE t(id integer primary key autoincrement, col2 varchar(32));
sqlite> .h
.bail ON|OFF           Stop after hitting an error.  Default OFF
.databases             List names and files of attached databases
.dump ?TABLE? ...      Dump the database in an SQL text format
.echo ON|OFF           Turn command echo on or off
.exit                  Exit this program
.explain ON|OFF        Turn output mode suitable for EXPLAIN on or off.
.header(s) ON|OFF      Turn display of headers on or off
.help                  Show this message
.import FILE TABLE     Import data from FILE into TABLE
.indices TABLE         Show names of all indices on TABLE
.mode MODE ?TABLE?     Set output mode where MODE is one of:
                         csv      Comma-separated values
                         column   Left-aligned columns.  (See .width)
                         html     HTML <table> code
                         insert   SQL insert statements for TABLE
                         line     One value per line
                         list     Values delimited by .separator string
                         tabs     Tab-separated values
                         tcl      TCL list elements
.nullvalue STRING      Print STRING in place of NULL values
.output FILENAME       Send output to FILENAME
.output stdout         Send output to the screen
.prompt MAIN CONTINUE  Replace the standard prompts
.quit                  Exit this program
.read FILENAME         Execute SQL in FILENAME
.schema ?TABLE?        Show the CREATE statements
.separator STRING      Change separator used by output mode and .import
.show                  Show the current values for various settings
.tables ?PATTERN?      List names of tables matching a LIKE pattern
.timeout MS            Try opening locked tables for MS milliseconds
.width NUM NUM ...     Set column widths for "column" mode