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Laboratory_5-6

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nikbel2004@outlook.com 2024-09-16 00:15:26 +04:00
parent 973ee54756
commit 910043144d
1 changed files with 7 additions and 6 deletions
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13
Lab 5-6/script.txt
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@ -1,22 +1,23 @@
CREATE TABLE Genre (
GenreID INTEGER PRIMARY KEY,
GenreID INTEGER PRIMARY KEY,
GenreName varchar(30) NOT NULL
);
CREATE TABLE Employee (
EmployeeID int PRIMARY KEY,
EmployeeID int PRIMARY KEY,
GenreID INTEGER,
FIO varchar(50) NOT NULL,
FOREIGN KEY (GenreID) REFERENCES Genre (GenreID)
FOREIGN KEY (GenreID) REFERENCES Genre (GenreID)
);
CREATE TABLE Book (
BookID INTEGER PRIMARY KEY,
BookID INTEGER PRIMARY KEY,
GenreID INTEGER,
Title varchar(200) NOT NULL,
Author varchar(200) NOT NULL,
FOREIGN KEY (GenreID) REFERENCES Genre (GenreID)
FOREIGN KEY (GenreID) REFERENCES Genre (GenreID)
);
INSERT INTO Genre VALUES
@ -41,7 +42,7 @@ COPY (SELECT table_to_xml('Book', true, false, '')) to 'E:\MiAKD\Lab 5-6\book.xm
/* Индексы (6 lab) */
/* === Индексы (6 lab) === */
CREATE INDEX index_g
ON Genre (GenreID)