SQLite語法大全

語法是一組獨特的規則和約定。 以下是SQLite的語法列表。

區分大小寫:

  • SQLite不區分大小寫。但是,有一些區分大小寫的命令。例如:GLOBglob在SQLite語句中有不同的含義。

注釋:

  • 注釋用於在SQLite代碼中增加代碼的可讀性。
  • 注釋不能嵌套。
  • 注釋以兩個連續的“ - ”字元。
  • 也可使用“/*”字元開始,並延伸至下一個“*/”字元對所包括的內容視為注釋。

SQLite語句

所有的SQLite語句都是以關鍵字(如:SELECTINSERTUPDATEDELETEALTERDROP等)開始的。所有語句都以分號(;)結尾。

SQLite ANALYZE語句的語法:

ANALYZE;
-- or
ANALYZE database_name;
-- or
ANALYZE database_name.table_name;

SQLite AND/OR子句的語法:

SELECT column1, column2....columnN
FROM   table_name
WHERE  CONDITION-1 {AND|OR} CONDITION-2;

SQLite ALTER TABLE語句的語法

ALTER TABLE table_name ADD COLUMN column_def...;

SQLite ALTER TABLE語句(Rename)語句的語法

ALTER TABLE table_name RENAME TO new_table_name;

SQLite ATTACH DATABASE語句的語法:

ATTACH DATABASE 'DatabaseName' As 'Alias-Name';

SQLite BEGIN TRANSACTION語句的語法:

BEGIN;
-- or
BEGIN EXCLUSIVE TRANSACTION;

SQLite BETWEEN語句的語法:

SELECT column1, column2....columnN
FROM   table_name
WHERE  column_name BETWEEN val-1 AND val-2;
SQLite COMMIT Statement:
COMMIT;

SQLite CREATE INDEX語句的語法:

CREATE INDEX index_name
ON table_name ( column_name COLLATE NOCASE );

SQLite CREATE UNIQUE INDEX語句的語法:

CREATE UNIQUE INDEX index_name
ON table_name ( column1, column2,...columnN);

SQLite CREATE TABLE語句的語法:

CREATE TABLE table_name(
   column1 datatype,
   column2 datatype,
   column3 datatype,
   .....
   columnN datatype,
   PRIMARY KEY( one or more columns ));

SQLite CREATE TRIGGER語句的語法:

CREATE TRIGGER database_name.trigger_name
BEFORE INSERT ON table_name FOR EACH ROW
BEGIN
   stmt1;
   stmt2;
   ....
END;

SQLite CREATE VIEW語句的語法:

CREATE VIEW database_name.view_name  AS
SELECT statement....;

SQLite CREATE VIRTUAL TABLE語句的語法:

CREATE VIRTUAL TABLE database_name.table_name USING weblog( access.log );
-- or
CREATE VIRTUAL TABLE database_name.table_name USING fts3( );

SQLite COMMIT TRANSACTION語句的語法:

COMMIT;

SQLite COUNT語句的語法:

SELECT COUNT(column_name)
FROM   table_name
WHERE  CONDITION;

SQLite DELETE語句的語法:

DELETE FROM table_name
WHERE  {CONDITION};

SQLite DETACH DATABASE語句的語法:

DETACH DATABASE 'Alias-Name';

SQLite DISTINCT語句的語法:

SELECT DISTINCT column1, column2....columnN
FROM   table_name;

SQLite DROP INDEX語句的語法:

DROP INDEX database_name.index_name;

SQLite DROP TABLE語句的語法:

DROP TABLE database_name.table_name;

SQLite DROP VIEW語句的語法:

DROP INDEX database_name.view_name;

SQLite DROP TRIGGER 語句的語法:

DROP INDEX database_name.trigger_name;

SQLite EXISTS語句的語法:

SELECT column1, column2....columnN
FROM   table_name
WHERE  column_name EXISTS (SELECT * FROM   table_name );

SQLite EXPLAIN語句的語法:

EXPLAIN INSERT statement...;
-- or
EXPLAIN QUERY PLAN SELECT statement...;

SQLite GLOB語句的語法:

SELECT column1, column2....columnN
FROM   table_name
WHERE  column_name GLOB { PATTERN };

SQLite GROUP BY語句的語法:

SELECT SUM(column_name)
FROM   table_name
WHERE  CONDITION
GROUP BY column_name;

SQLite HAVING語句的語法:

SELECT SUM(column_name)
FROM   table_name
WHERE  CONDITION
GROUP BY column_name
HAVING (arithematic function condition);

SQLite INSERT INTO語句的語法:

INSERT INTO table_name( column1, column2....columnN)
VALUES ( value1, value2....valueN);

SQLite IN語句的語法:

SELECT column1, column2....columnN
FROM   table_name
WHERE  column_name IN (val-1, val-2,...val-N);

SQLite Like語句的語法:

SELECT column1, column2....columnN
FROM   table_name
WHERE  column_name LIKE { PATTERN };

SQLite NOT IN語句的語法:

SELECT column1, column2....columnN
FROM   table_name
WHERE  column_name NOT IN (val-1, val-2,...val-N);

SQLite ORDER BY語句的語法:

SELECT column1, column2....columnN
FROM   table_name
WHERE  CONDITION
ORDER BY column_name {ASC|DESC};

SQLite PRAGMA語句的語法:

PRAGMA pragma_name;

有關pragma的幾個示例:

PRAGMA page_size;
PRAGMA cache_size = 1024;
PRAGMA table_info(table_name);

SQLite RELEASE SAVEPOINT語句的語法:

RELEASE savepoint_name;

SQLite REINDEX語句的語法:

REINDEX collation_name;
REINDEX database_name.index_name;
REINDEX database_name.table_name;

SQLite ROLLBACK語句的語法:

ROLLBACK;
-- or
ROLLBACK TO SAVEPOINT savepoint_name;

SQLite SAVEPOINT語句的語法:

SAVEPOINT savepoint_name;

SQLite SELECT語句的語法:

SELECT column1, column2....columnN
FROM   table_name;

SQLite UPDATE語句的語法:

UPDATE table_name
SET column1 = value1, column2 = value2....columnN=valueN
[ WHERE  CONDITION ];

SQLite VACUUM語句的語法:

VACUUM;
SQLite WHERE Clause:
SELECT column1, column2....columnN
FROM   table_name
WHERE  CONDITION;

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