SQL/MySQL/Backup Load/Save To Text File
Версия от 13:46, 26 мая 2010; (обсуждение)
Backup records into txt file
Drop table CDs;
CREATE TABLE CDs (
CDID SMALLINT NOT NULL PRIMARY KEY,
CDName VARCHAR(50) NOT NULL,
InStock SMALLINT UNSIGNED NOT NULL,
Category VARCHAR(20)
);
INSERT INTO CDs
VALUES (101, "Blood", 10, "Rock"),
(102, "Jazz", 17, "Jazz"),
(103, "Class", 9, "Classical"),
(104, "Violin", 24, NULL),
(105, "Blues", 2, "Blues"),
(106, "Tires", 12, "Country"),
(107, "Essence", 5, "New Age"),
(108, "Magic", 42, "Classical"),
(109, "Name", 20, "Opera"),
(110, "Fire", 23, "Country"),
(111, "Live", 18, "Jazz"),
(112, "Blues", 22, "Blues"),
(113, "Stages", 42, "Blues");
SELECT CDName, InStock, Category INTO OUTFILE "Backup.sql"
FIELDS
TERMINATED BY ","
ENCLOSED BY """
FROM CDs WHERE Category="Country";
Backup table records into txt file: indicate terminator
Drop table CDs;
CREATE TABLE CDs (
CDID SMALLINT NOT NULL PRIMARY KEY,
CDName VARCHAR(50) NOT NULL,
InStock SMALLINT UNSIGNED NOT NULL,
Category VARCHAR(20)
);
INSERT INTO CDs
VALUES (101, "Blood", 10, "Rock"),
(102, "Jazz", 17, "Jazz"),
(103, "Class", 9, "Classical"),
(104, "Violin", 24, NULL),
(105, "Blues", 2, "Blues"),
(106, "Tires", 12, "Country"),
(107, "Essence", 5, "New Age"),
(108, "Magic", 42, "Classical"),
(109, "Name", 20, "Opera"),
(110, "Fire", 23, "Country"),
(111, "Live", 18, "Jazz"),
(112, "Blues", 22, "Blues"),
(113, "Stages", 42, "Blues");
SELECT CDName, InStock, Category INTO OUTFILE "Backup.sql"
FIELDS
TERMINATED BY ","
ENCLOSED BY "*"
FROM CDs WHERE Category="Classical";