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Update object length and some code formating

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Konstantin Taranov
2018-12-06 19:55:52 +03:00
parent 9fbc730bce
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SQL Server Name Convention and T-SQL Programming Style.md
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@@ -24,7 +24,7 @@ Official Reference and useful links
- [Sql Coding Style](http://c2.com/cgi/wiki?SqlCodingStyle)
- [SQL Server Code Review Checklist for Developers](https://www.sqlshack.com/sql-server-code-review-checklist-for-developers/) (by Samir Behara)
- [SQL Formatting standards – Capitalization, Indentation, Comments, Parenthesis](https://solutioncenter.apexsql.com/sql-formatting-standards-capitalization-indentation-comments-parenthesis/) (by ApexSQL)
- [In The Cloud: The Importance of Being Organized]:http://sqlblog.com/blogs/john_paul_cook/archive/2017/05/16/in-the-cloud-the-importance-of-being-organized.aspx
- [In The Cloud: The Importance of Being Organized](http://sqlblog.com/blogs/john_paul_cook/archive/2017/05/16/in-the-cloud-the-importance-of-being-organized.aspx)
- [Naming Conventions in Azure](http://www.sqlchick.com/entries/2017/6/24/naming-conventions-in-azure)
- [The Basics of Good T-SQL Coding Style – Part 3: Querying and Manipulating Data](https://www.simple-talk.com/sql/t-sql-programming/basics-good-t-sql-coding-style-part-3-querying-manipulating-data/)
@@ -36,10 +36,10 @@ Official Reference and useful links
| Database Trigger | | PascalCase | 50 | No | DTR_ | No | Yes | [A-z] | DTR_CheckLogin |
| Schema | | lowercase | 30 | No | No | No | Yes | [A-z][0-9] | myschema |
| File Table | | PascalCase | 128 | No | FT_ | No | Yes | [A-z][0-9] | FT_MyTable |
| Global Temporary Table | | PascalCase | 118 | No | No | No | Yes | ##[A-z][0-9] | ##MyTable |
| Local Temporary Table | | PascalCase | 118 | No | No | No | Yes | #[A-z][0-9] | #MyTable |
| Table | U | PascalCase | 30 | No | No | No | Yes | [A-z][0-9] | MyTable |
| Table Column | | PascalCase | 30 | No | No | No | Yes | [A-z][0-9] | MyColumn |
| Global Temporary Table | | PascalCase | 117 | No | No | No | Yes | ##[A-z][0-9] | ##MyTable |
| Local Temporary Table | | PascalCase | 116 | No | No | No | Yes | #[A-z][0-9] | #MyTable |
| Table | U | PascalCase | 128 | No | No | No | Yes | [A-z][0-9] | MyTable |
| Table Column | | PascalCase | 128 | No | No | No | Yes | [A-z][0-9] | MyColumn |
| Table Default Values | D | PascalCase | 128 | No | DF_ | No | Yes | [A-z][0-9] | DF_MyTable_MyColumn |
| Table Check Column Constraint | C | PascalCase | 128 | No | CK_ | No | Yes | [A-z][0-9] | CK_MyTable_MyColumn |
| Table Check Table Constraint | C | PascalCase | 128 | No | CTK_ | No | Yes | [A-z][0-9] | CTK_MyTable_MyColumn_AnotherColumn |
@@ -51,17 +51,17 @@ Official Reference and useful links
| Table Trigger | TR | PascalCase | 128 | No | TR_ | No | Yes | [A-z][0-9] | TR_MyTable_LogicalName |
| View | V | PascalCase | 128 | No | VI_ | No | No | [A-z][0-9] | VI_LogicalName |
| Stored Procedure | P | PascalCase | 128 | No | usp_ | No | No | [A-z][0-9] | usp_LogicalName |
| Scalar User-Defined Function | FN | PascalCase | 50 | No | udf_ | No | No | [A-z][0-9] | udf_FunctionLogicalName |
| Table-Valued Function | FN | PascalCase | 50 | No | tvf_ | No | No | [A-z][0-9] | tvf_FunctionLogicalName |
| Scalar User-Defined Function | FN | PascalCase | 128 | No | udf_ | No | No | [A-z][0-9] | udf_FunctionLogicalName |
| Table-Valued Function | FN | PascalCase | 128 | No | tvf_ | No | No | [A-z][0-9] | tvf_FunctionLogicalName |
| Synonym | SN | camelCase | 128 | No | sy_ | No | No | [A-z][0-9] | sy_logicalName |
| Sequence | SO | PascalCase | 128 | No | sq_ | No | No | [A-z][0-9] | sq_TableName |
| CLR Assembly | | PascalCase | 128 | No | CA | No | Yes | [A-z][0-9] | CALogicalName |
| CLR Stored Procedures | PC | PascalCase | 128 | No | pc_ | No | Yes | [A-z][0-9] | pc_CAName_LogicalName |
| CLR Scalar User-Defined Function | | PascalCase | 50 | No | cudf_ | No | No | [A-z][0-9] | cudf_CAName_LogicalName |
| CLR Table-Valued Function | | PascalCase | 50 | No | ctvf_ | No | No | [A-z][0-9] | ctvf_CAName_LogicalName |
| CLR User-Defined Aggregates | | PascalCase | 50 | No | ca_ | No | No | [A-z][0-9] | ca_CAName_LogicalName |
| CLR User-Defined Types | | PascalCase | 50 | No | ct_ | No | No | [A-z][0-9] | ct_CAName_LogicalName |
| CLR Triggers | | PascalCase | 50 | No | ctr_ | No | No | [A-z][0-9] | ctr_CAName_LogicalName |
| CLR Scalar User-Defined Function | | PascalCase | 128 | No | cudf_ | No | No | [A-z][0-9] | cudf_CAName_LogicalName |
| CLR Table-Valued Function | | PascalCase | 128 | No | ctvf_ | No | No | [A-z][0-9] | ctvf_CAName_LogicalName |
| CLR User-Defined Aggregates | | PascalCase | 128 | No | ca_ | No | No | [A-z][0-9] | ca_CAName_LogicalName |
| CLR User-Defined Types | | PascalCase | 128 | No | ct_ | No | No | [A-z][0-9] | ct_CAName_LogicalName |
| CLR Triggers | | PascalCase | 128 | No | ctr_ | No | No | [A-z][0-9] | ctr_CAName_LogicalName |
## T-SQL Programming Style
@@ -110,16 +110,16 @@ SELECT t1.Value1 AS Val1
### Stored procedures and functions programming style
- All stored procedures and functions should use ALTER statement and start with the object presence check
- ALTER statement should be preceded by 2 line breaks
- All stored procedures and functions should use `ALTER` statement and start with the object presence check
- `ALTER` statement should be preceded by 2 line breaks
- Parameters name should be in **camelCase**
- Parameters should be placed under procedure name divided by line breaks
- After the ALTER statement and before AS keyword should be placed a comment with execution example
- After the `ALTER` statement and before AS keyword should be placed a comment with execution example
- The procedure or function should begin with parameter check
- Create `sp_` procedures only in `master` database - SQL Server will always scan through the system catalog first
- Always use `BEGIN TRY` and `BEGIN CATCH`
- Always use `/* */` instead inline comment `--`
- Use `SET NOCOUNT ON` for stops the message that shows the count of the number of rows affected by a Transact-SQL statement
- Use `SET NOCOUNT ON;` for stops the message that shows the count of the number of rows affected by a Transact-SQL statement
- Use TOP expression with `()`:
```tsql
-- Not working without ()