游戏 | SQL Avanzado |
内容 |
Course of advanced SQL, explained step by step, in 40 lessons:
A. - SQL TOP: TOP is used to specify the number of rows to display in the result. 2. - SQL Lite: LIKE is used in the WHERE clause to search for a pattern. 3. - SQL Wildcards: Wildcards (wildcards) are special characters that are used to perform special searches. 4. - SQL IN: IN to select multiple values ??in a WHERE clause. 5. - SQL BETWEEN: BETWEEN is used in the WHERE clause to select values ??from a range of data. 6. - SQL ALIAS is used to rename a table or column. 7. - SQL JOINS: JOINs can query data from 2 or more tables. 8. - SQL INNER JOIN: INNER JOIN is used to combine each row in a table with each row in another table. 9. - SQL LEFT JOIN: LEFT JOIN is used to combine the values ??of the first table with the values ??of the second table. 10. - SQL RIGHT JOIN: RIGHT JOIN is used to combine the values ??of the first table with the values ??of the second table. 11. - SQL FULL JOIN: FULL JOIN is used to combine the values ??of the first table with the values ??of the second table. 12. - SQL UNION: UNION is used to accumulate the results of two SELECT statements. 13. - SQL UNION ALL: SQL UNION ALL is used to accumulate the results of two SELECT statements. 14. - SQL SELECT INTO: SELECT INTO is used to copy data from one table to another table. 15. - SQL CREATE DATABASE: CREATE DATABASE is used to create databases. 16. - SQL RESTRICTIONS: Restrictions are used to limit the data type of a column. 17. - SQL NOT NULL: NOT NULL is used to specify that a column does not accept NULL. 18. - SQL UNIQUE: UNIQUE is used to uniquely identify each row in a table. 19. - UNIQUE SQL ALTER TABLE: ALTER TABLE to add UNIQUE UNIQUE to a column of a table, after being created. 20. - SQL PRIMARY KEY: PRIMARY KEY is used to uniquely identify each row in a table. 21. - SQL FOREIGN KEY: FOREIGN KEY is used to identify a column that is primary key in another table. 22. - SQL CHECK: CHECK to limit the range of values ??in a column. 23. - SQL DEFAULT: DEFAULT default value for a column 24. - SQL CREATE INDEX: CREATE INDEX to create an index on a table. 25. - SQL DROP: DROP serves to remove any item (index, table or database). 26. - SQL TRUNCATE: TRUNCATE is used to erase the data (not structure) of a table 27. - SQL ALTER: ALTER is used to modify the definition of a column in a table. 28. - SQL AUTO INCREMENT: AUTO INCREMENT generating auto-incrementing number for a column in a table. 29. - SQL VIEWS: VIEWS serves to create a virtual table (not an actual table) with the results of a query. 30. - SQL DATES: DATE defines different data types for dates and times. 31. - SQL NULL VALUES: NULL represents an undefined value. 32. - FUNCTIONS SQL NULL: NULL FUNCTIONS used to use NULL values. 33. - SQL DATA TEXT MySQL: MySQL TEXT DATA defines the different formats of text fields for MySQL. 34. - SQL NUMERIC MySQL: MySQL NUMERICAL DATA defines the different formats of numeric fields for MySQL. 35. - SQL DATA DATE MySQL: MySQL DATE DATA defines the different formats for date fields MySQL. ADVANCED SQL is a manual very complete. |
标签 | SQL Avanzado最新版 |
缩略图 | ![]() |
软件名称 | SQL Avanzado |
软件图标 | |
软件大小 | |
发布时间 | 2018/03/16 |
软件平台 | |
软件语言 | |
软件授权 | |
操作系统 | |
系统类型 | |
用户评分 | |
软件版本 | |
官方网站 | |
官方网址 | |
软件截图 | |
软件总类 | 安卓游戏 |
软件大类 | 游戏 |
软件小类 | 跑酷竞速 |
开发者 | Android mob |
主办单位名称 | |
ICP备案名 | |
备案号 | |
使用年龄 | |
下载链接 | ![]() |
攻略教程 | |
详细介绍 | SQL Avanzado游戏简介Course of advanced SQL, explained step by step, in 40 lessons: A. - SQL TOP: TOP is used to specify the number of rows to display in the result. 2. - SQL Lite: LIKE is used in the WHERE clause to search for a pattern. 3. - SQL Wildcards: Wildcards (wildcards) are special characters that are used to perform special searches. 4. - SQL IN: IN to select multiple values ??in a WHERE clause. 5. - SQL BETWEEN: BETWEEN is used in the WHERE clause to select values ??from a range of data. 6. - SQL ALIAS is used to rename a table or column. 7. - SQL JOINS: JOINs can query data from 2 or more tables. 8. - SQL INNER JOIN: INNER JOIN is used to combine each row in a table with each row in another table. 9. - SQL LEFT JOIN: LEFT JOIN is used to combine the values ??of the first table with the values ??of the second table. 10. - SQL RIGHT JOIN: RIGHT JOIN is used to combine the values ??of the first table with the values ??of the second table. 11. - SQL FULL JOIN: FULL JOIN is used to combine the values ??of the first table with the values ??of the second table. 12. - SQL UNION: UNION is used to accumulate the results of two SELECT statements. 13. - SQL UNION ALL: SQL UNION ALL is used to accumulate the results of two SELECT statements. 14. - SQL SELECT INTO: SELECT INTO is used to copy data from one table to another table. 15. - SQL CREATE DATABASE: CREATE DATABASE is used to create databases. 16. - SQL RESTRICTIONS: Restrictions are used to limit the data type of a column. 17. - SQL NOT NULL: NOT NULL is used to specify that a column does not accept NULL. 18. - SQL UNIQUE: UNIQUE is used to uniquely identify each row in a table. 19. - UNIQUE SQL ALTER TABLE: ALTER TABLE to add UNIQUE UNIQUE to a column of a table, after being created. 20. - SQL PRIMARY KEY: PRIMARY KEY is used to uniquely identify each row in a table. 21. - SQL FOREIGN KEY: FOREIGN KEY is used to identify a column that is primary key in another table. 22. - SQL CHECK: CHECK to limit the range of values ??in a column. 23. - SQL DEFAULT: DEFAULT default value for a column 24. - SQL CREATE INDEX: CREATE INDEX to create an index on a table. 25. - SQL DROP: DROP serves to remove any item (index, table or database). 26. - SQL TRUNCATE: TRUNCATE is used to erase the data (not structure) of a table 27. - SQL ALTER: ALTER is used to modify the definition of a column in a table. 28. - SQL AUTO INCREMENT: AUTO INCREMENT generating auto-incrementing number for a column in a table. 29. - SQL VIEWS: VIEWS serves to create a virtual table (not an actual table) with the results of a query. 30. - SQL DATES: DATE defines different data types for dates and times. 31. - SQL NULL VALUES: NULL represents an undefined value. 32. - FUNCTIONS SQL NULL: NULL FUNCTIONS used to use NULL values. 33. - SQL DATA TEXT MySQL: MySQL TEXT DATA defines the different formats of text fields for MySQL. 34. - SQL NUMERIC MySQL: MySQL NUMERICAL DATA defines the different formats of numeric fields for MySQL. 35. - SQL DATA DATE MySQL: MySQL DATE DATA defines the different formats for date fields MySQL. ADVANCED SQL is a manual very complete. 分类: 跑酷竞速 豌豆荚APP??|?? 版本:8.3.4.0??|?? 更新时间:2024-07-24??|??权限详情 ??|??隐私政策 |
操控设备 | |
隐私政策 | |
查看权限 | |
敏感权限获取说明 | |
软件类型 | |
安全警示 | 适度休息有益身心健康,请勿长期沉迷于游戏。 |
随便看 |
|
兰台网游戏档案馆全面收录各种电脑及手机游戏,详细介绍游戏的基本信息及游戏攻略。