在线观看不卡亚洲电影_亚洲妓女99综合网_91青青青亚洲娱乐在线观看_日韩无码高清综合久久

鍍金池/ 教程/ 數(shù)據(jù)庫(kù)/ SQLite語(yǔ)法大全
SQLite觸發(fā)器(刪除之前/之后)
SQLite Union All操作符
SQLite快速入門
SQLite LIMIT子句
SQLite更新查詢
SQLite插入查詢
SQLite創(chuàng)建數(shù)據(jù)庫(kù)
SQLite datetime()函數(shù)
SQLite now函數(shù)和時(shí)間格式化
SQLite左連接
SQLite AVG()函數(shù)
SQLite交叉連接(Cross Join)
SQLite運(yùn)算符
SQLite ORDER BY子句
SQLite聚合函數(shù)
SQLite Union操作符
SQLite是什么?
SQLite安裝
PHP連接SQLite數(shù)據(jù)庫(kù)
SQLite命令大全
SQLite LIKE子句
SQLite OR子句
SQLite內(nèi)連接(Inner Join)
SQLite日期和時(shí)間
SQLite WHERE子句
SQLite刪除表
Python連接SQLite數(shù)據(jù)庫(kù)
SQLite刪除觸發(fā)器
SQLite優(yōu)點(diǎn)和缺點(diǎn)
SQLite連接(JOIN子句)
SQLite數(shù)據(jù)類型
SQLite外連接(Outer Join)
SQLite COUNT()函數(shù)
SQLite主鍵
SQLite觸發(fā)器(插入之前/之后)
SQLite HAVING子句
SQLite IN運(yùn)算符
SQLite選擇查詢
SQLite date()函數(shù)
SQLite MAX()函數(shù)
SQLite刪除查詢
SQLite分離數(shù)據(jù)庫(kù)
SQLite教程
SQLite GLOB子句
SQLite MIN()函數(shù)
SQLite導(dǎo)入數(shù)據(jù)
SQLite GROUP BY子句
SQLite表達(dá)式
SQLite語(yǔ)法大全
SQLite外鍵
SQLite觸發(fā)器
SQLite導(dǎo)出數(shù)據(jù)
SQLite juliandday()函數(shù)
SQLite創(chuàng)建表
Java連接SQLite數(shù)據(jù)庫(kù)
SQLite SUM()函數(shù)
SQLite特性/為什么要使用SQLite?
SQLite觸發(fā)器(更新之前/之后)
SQLite strftime()函數(shù)日期日間格式化
SQLite附加/選擇數(shù)據(jù)庫(kù)
SQLite DISTINCT子句
SQLite歷史
SQLite time()函數(shù)

SQLite語(yǔ)法大全

語(yǔ)法是一組獨(dú)特的規(guī)則和約定。 以下是SQLite的語(yǔ)法列表。

區(qū)分大小寫:

  • SQLite不區(qū)分大小寫。但是,有一些區(qū)分大小寫的命令。例如:GLOBglob在SQLite語(yǔ)句中有不同的含義。

注釋:

  • 注釋用于在SQLite代碼中增加代碼的可讀性。
  • 注釋不能嵌套。
  • 注釋以兩個(gè)連續(xù)的“ - ”字符。
  • 也可使用“/*”字符開始,并延伸至下一個(gè)“*/”字符對(duì)所包括的內(nèi)容視為注釋。

SQLite語(yǔ)句

所有的SQLite語(yǔ)句都是以關(guān)鍵字(如:SELECT,INSERT,UPDATE,DELETE,ALTER,DROP等)開始的。所有語(yǔ)句都以分號(hào)(;)結(jié)尾。

SQLite ANALYZE語(yǔ)句的語(yǔ)法:

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

SQLite AND/OR子句的語(yǔ)法:

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

SQLite ALTER TABLE語(yǔ)句的語(yǔ)法

ALTER TABLE table_name ADD COLUMN column_def...;

SQLite ALTER TABLE語(yǔ)句(Rename)語(yǔ)句的語(yǔ)法

ALTER TABLE table_name RENAME TO new_table_name;

SQLite ATTACH DATABASE語(yǔ)句的語(yǔ)法:

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

SQLite BEGIN TRANSACTION語(yǔ)句的語(yǔ)法:

BEGIN;  
-- or  
BEGIN EXCLUSIVE TRANSACTION;

SQLite BETWEEN語(yǔ)句的語(yǔ)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(yǔ)句的語(yǔ)法:

CREATE INDEX index_name  
ON table_name ( column_name COLLATE NOCASE );

SQLite CREATE UNIQUE INDEX語(yǔ)句的語(yǔ)法:

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

SQLite CREATE TABLE語(yǔ)句的語(yǔ)法:

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

SQLite CREATE TRIGGER語(yǔ)句的語(yǔ)法:

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

SQLite CREATE VIEW語(yǔ)句的語(yǔ)法:

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

SQLite CREATE VIRTUAL TABLE語(yǔ)句的語(yǔ)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(yǔ)句的語(yǔ)法:

COMMIT;

SQLite COUNT語(yǔ)句的語(yǔ)法:

SELECT COUNT(column_name)  
FROM   table_name  
WHERE  CONDITION;

SQLite DELETE語(yǔ)句的語(yǔ)法:

DELETE FROM table_name  
WHERE  {CONDITION};

SQLite DETACH DATABASE語(yǔ)句的語(yǔ)法:

DETACH DATABASE 'Alias-Name';

SQLite DISTINCT語(yǔ)句的語(yǔ)法:

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

SQLite DROP INDEX語(yǔ)句的語(yǔ)法:

DROP INDEX database_name.index_name;

SQLite DROP TABLE語(yǔ)句的語(yǔ)法:

DROP TABLE database_name.table_name;

SQLite DROP VIEW語(yǔ)句的語(yǔ)法:

DROP INDEX database_name.view_name;

SQLite DROP TRIGGER 語(yǔ)句的語(yǔ)法:

DROP INDEX database_name.trigger_name;

SQLite EXISTS語(yǔ)句的語(yǔ)法:

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

SQLite EXPLAIN語(yǔ)句的語(yǔ)法:

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

SQLite GLOB語(yǔ)句的語(yǔ)法:

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

SQLite GROUP BY語(yǔ)句的語(yǔ)法:

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

SQLite HAVING語(yǔ)句的語(yǔ)法:

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

SQLite INSERT INTO語(yǔ)句的語(yǔ)法:

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

SQLite IN語(yǔ)句的語(yǔ)法:

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

SQLite Like語(yǔ)句的語(yǔ)法:

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

SQLite NOT IN語(yǔ)句的語(yǔ)法:

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

SQLite ORDER BY語(yǔ)句的語(yǔ)法:

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

SQLite PRAGMA語(yǔ)句的語(yǔ)法:

PRAGMA pragma_name;

有關(guān)pragma的幾個(gè)示例:

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

SQLite RELEASE SAVEPOINT語(yǔ)句的語(yǔ)法:

RELEASE savepoint_name;

SQLite REINDEX語(yǔ)句的語(yǔ)法:

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

SQLite ROLLBACK語(yǔ)句的語(yǔ)法:

ROLLBACK;  
-- or  
ROLLBACK TO SAVEPOINT savepoint_name;

SQLite SAVEPOINT語(yǔ)句的語(yǔ)法:

SAVEPOINT savepoint_name;

SQLite SELECT語(yǔ)句的語(yǔ)法:

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

SQLite UPDATE語(yǔ)句的語(yǔ)法:

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

SQLite VACUUM語(yǔ)句的語(yǔ)法:

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