<>SQLITE语句

所有的 SQLite 语句可以以任何关键字开始,如 SELECT、INSERT、UPDATE、DELETE、ALTER、DROP
等,所有的语句以分号(;)结束。
常见SQLITE语句
1)SQLite ANALYZE 语句
ANALYZE; or ANALYZE database_name; or ANALYZE database_name.table_name;
2)SQLite AND/OR 子句
SELECT column1, column2....columnN FROM table_name WHERE CONDITION-1 {AND|OR}
CONDITION-2;
3)SQLite ALTER(更改) TABLE 语句
ALTER TABLE table_name ADD COLUMN column_def...;
4)SQLite ALTER TABLE 语句(Rename)(为表重新命名)
ALTER TABLE table_name RENAME TO new_table_name;
5)SQLite ATTACH DATABASE 语句(附加数据库)
ATTACH DATABASE 'DatabaseName' As 'Alias-Name';
6)SQLite BEGIN TRANSACTION 语句(开始事务)
BEGIN; or BEGIN EXCLUSIVE TRANSACTION;
7)SQLite BETWEEN 语句
SELECT column1, column2....columnN FROM table_name WHERE column_name BETWEEN
val-1 AND val-2;
8)SQLite COMMIT /SQLite COMMIT TRANSACTION 语句(保存更改)
COMMIT;
9)SQLite CREATE INDEX 语句(创建索引)
CREATE INDEX index_name ON table_name ( column_name COLLATE NOCASE );
10)SQLite CREATE UNIQUE INDEX 语句(创建独一无二的索引)
CREATE UNIQUE INDEX index_name ON table_name ( column1, column2,...columnN);
11)SQLite CREATE TABLE 语句(创建表)
CREATE TABLE table_name( column1 datatype, column2 datatype, column3 datatype,
..... columnN datatype, PRIMARY KEY( one or more columns ) );
12)SQLite CREATE TRIGGER 语句(创建触发器)
CREATE TRIGGER database_name.trigger_name BEFORE INSERT ON table_name FOR EACH
ROW BEGIN stmt1; stmt2; .... END;
13)SQLite CREATE VIEW 语句(创建视图)
CREATE VIEW database_name.view_name AS SELECT statement....;
14)SQLite CREATE VIRTUAL TABLE 语句
CREATE VIRTUAL TABLE database_name.table_name USING weblog( access.log ); or
CREATE VIRTUAL TABLE database_name.table_name USING fts3( );
15)SQLite WHERE 子句
SELECT column1, column2....columnN FROM table_name WHERE CONDITION;
16)SQLite COUNT 子句
SELECT COUNT(column_name) FROM table_name WHERE CONDITION;
17)SQLite DELETE 语句
DELETE FROM table_name WHERE {CONDITION};
18)SQLite DETACH DATABASE 语句(分离数据库)
DETACH DATABASE 'Alias-Name';
19)SQLite DISTINCT 子句
SELECT DISTINCT column1, column2....columnN FROM table_name;
20)SQLite DROP INDEX 语句(删除索引)
DROP INDEX database_name.index_name;
21)SQLite DROP TABLE 语句(删除表格)
DROP TABLE database_name.table_name;
22)SQLite DROP VIEW 语句(删除视图)
DROP VIEW view_name;
23)SQLite DROP TRIGGER 语句(删除触发器)
DROP TRIGGER trigger_name
24)SQLite EXISTS 子句
SELECT column1, column2....columnN FROM table_name WHERE column_name EXISTS
(SELECT * FROM table_name );
25)SQLite EXPLAIN 语句
EXPLAIN INSERT statement...; or EXPLAIN QUERY PLAN SELECT statement...;
26)SQLite GLOB 子句
SELECT column1, column2....columnN FROM table_name WHERE column_name GLOB {
PATTERN };
27)SQLite GROUP BY 子句
SELECT SUM(column_name) FROM table_name WHERE CONDITION GROUP BY column_name;
28)SQLite HAVING 子句
SELECT SUM(column_name) FROM table_name WHERE CONDITION GROUP BY column_name
HAVING (arithematic function condition);
29)SQLite INSERT INTO 语句(插入数据操作)
INSERT INTO table_name( column1, column2....columnN) VALUES ( value1,
value2....valueN);
30)SQLite IN 子句
SELECT column1, column2....columnN FROM table_name WHERE column_name IN
(val-1, val-2,...val-N);
31)SQLite Like 子句
SELECT column1, column2....columnN FROM table_name WHERE column_name LIKE {
PATTERN };
32)SQLite NOT IN 子句
SELECT column1, column2....columnN FROM table_name WHERE column_name NOT IN
(val-1, val-2,...val-N);
33)SQLite ORDER BY 子句
SELECT column1, column2....columnN FROM table_name WHERE CONDITION ORDER BY
column_name {ASC|DESC};
34)SQLite PRAGMA 语句
PRAGMA pragma_name; For example: PRAGMA page_size; PRAGMA cache_size = 1024;
PRAGMA table_info(table_name);
35)SQLite RELEASE SAVEPOINT 语句
RELEASE savepoint_name;
36)SQLite REINDEX 语句
REINDEX collation_name; REINDEX database_name.index_name; REINDEX
database_name.table_name;
37)SQLite ROLLBACK 语句(回滚)
ROLLBACK; or ROLLBACK TO SAVEPOINT savepoint_name;
38)SQLite SAVEPOINT 语句
SAVEPOINT savepoint_name;
39)SQLite SELECT 语句(查询数据)
SELECT column1, column2....columnN FROM table_name;
40)SQLite UPDATE 语句(更新数据)
UPDATE table_name SET column1 = value1, column2 = value2....columnN=valueN [
WHERE CONDITION ];
Note:

* SQLite 是不区分大小写的,但也有一些命令是大小写敏感的,比如 GLOB 和 glob 在 SQLite 的语句中有不同的含义。
* SQLite 注释是附加的注释,可以在 SQLite 代码中添加注释以增加其可读性,他们可以出现在任何空白处,包括在表达式内和其他 SQL
语句的中间,但它们不能嵌套。
* SQL 注释以两个连续的 “-” 字符(ASCII 0x2d)开始,并扩展至下一个换行符(ASCII
0x0a)或直到输入结束,以先到者为准。也可以使用 C 风格的注释,以 “/" 开始,并扩展至下一个 "/”
字符对或直到输入结束,以先到者为准。SQLite的注释可以跨越多行。

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