SQL does not have natural sequence numbers ... A2： Group but not aggregate. A3： Calculate the data of each group: calculate the record position p1F for the first status=1, the record position p0F for ...

To execute a query under the cursor or selected text, press Ctrl+Enter or right-click the query and click Execute-> Execute SQL Statement on the context ... Note: This function is available for ...

Choose a SQL Server trial, edition, tool, or connector that best meets your data and workload needs. Get the full-featured free edition, licensed for use as a development and test database in a ...