if dml_keyword is not None \and dml_keyword.ttype == T.Keyword.DML:return dml_keyword.normalized# Hmm, probably invalid syntax, so return unknown.return 'UNKNOWN' 此类只有一个方法就是返回一个获取此条SQL的DML类型,也就是SQL的功能类型: query = 'CREATE TABLE AS Select a, col_2 as b fro...
syntaxsql Copy -- Execute a stored procedure or function [ { EXEC | EXECUTE } ] { [ @return_status = ] { module_name [ ;number ] | @module_name_var } [ [ @parameter = ] { value | @variable [ OUTPUT ] | [ DEFAULT ] } ] [ ,...n ] [ WITH <execute_option> [ ,......
Specify thepoint_in_timein the formatyyyy-MM-ddTHH:mm:ss[.fff]to return data as it appeared at that time. The time zone is always in UTC. Use theCONVERTsyntax for the necessary datetime format withstyle 126. TheTIMESTAMP AS OFhint can be specified only once using theOPTIONclause. For ...
For more information on join syntax, see FROM clause plus JOIN, APPLY, PIVOT (Transact-SQL). SQL Server employs four types of physical join operations to carry out the logical join operations: Nested Loops joins Merge joins Hash joins Adaptive joins (starting with SQL Server 2017 (14.x)) ...
syntaxsql Copy -- Execute a stored procedure or function [ { EXEC | EXECUTE } ] { [ @return_status = ] { module_name [ ;number ] | @module_name_var } [ [ @parameter = ] { value | @variable [ OUTPUT ] | [ DEFAULT ] } ] [ ,...n ] [ WITH <execute_option> [ ,......
We often use the LIKE operator conjunction with the SELECT statement to retrieve the data that meets the specified criteria. Although the syntax and formatting may vary depending on how the operator is used, the following shows the basic syntax of the operator in a SELECT statement: ...
Autocomplete SQL query editor with syntax highlighting Tabbed interface, so you can multitask Sort and filter table data to find just what you need Sensible keyboard-shortcuts Save queries for later Query run-history, so you can find that one query you got working 3 days ago ...
type == TYPE_SQLTYPE)) { pos -= 1; sf->stats_folds += 1; left = 0; continue; } else if ( ( && st_is_unary_op(&sf->tokenvec[left+1])) { pos -= 1; sf->stats_folds += 1; if (left > 0) { left -= 1; } continue; } else if (syntax_merge_words(sf, &sf->...
The time zone is always in UTC. Use the CONVERT syntax for the necessary datetime format with style 126.The TIMESTAMP AS OF hint can be specified only once using the OPTION clause. For more information and limitations, see Query data as it existed in the past....
Specify thepoint_in_timein the formatyyyy-MM-ddTHH:mm:ss[.fff]to return data as it appeared at that time. The time zone is always in UTC. Use theCONVERTsyntax for the necessary datetime format withstyle 126. TheTIMESTAMP ...