SQL/MySQL/Backup Load/Load Text File — различия между версиями

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Версия 13:46, 26 мая 2010

Load backup file into new table

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";  
CREATE TABLE CDs3 (
   CDID SMALLINT NOT NULL PRIMARY KEY,
   CDName VARCHAR(50) NOT NULL,
   InStock SMALLINT UNSIGNED NOT NULL,
   Category VARCHAR(20)
);

LOAD DATA INFILE "Backup.sql"
INTO TABLE CDs3
FIELDS
   TERMINATED BY ","
   ENCLOSED BY """;

mysqlimport --user=root --password=pw1 --fields-terminated-by="," --fields-enclosed-by="*" test "c:\CDs3.sql"