Specify And or Or to create logical expressions of your query clauses. Use And to find work items that meet the criteria in both the current clause and the previous clause. Use Or to find work items that meet the criterion in either the current clause or the previous clause....
- Primary doesn't allow NULL values whereas unique key can allow one NULL value. Define Primary key and foreign key. - Primary Key:Primary key is used for unique identification of each row in a table. Unique and not null values only are accepted to persist in primary key. - Foreign Key...
Specify And or Or to create logical expressions of your query clauses. Use And to find work items that meet the criteria in both the current clause and the previous clause. Use Or to find work items that meet the criterion in either the current clause or the previous clause....
Specify And or Or to create logical expressions of your query clauses. Use And to find work items that meet the criteria in both the current clause and the previous clause. Use Or to find work items that meet the criterion in either the current clause or the previous clause....
Specify And or Or to create logical expressions of your query clauses. Use And to find work items that meet the criteria in both the current clause and the previous clause. Use Or to find work items that meet the criterion in either the current clause or the previous clause....
Specify And or Or to create logical expressions of your query clauses. Use And to find work items that meet the criteria in both the current clause and the previous clause. Use Or to find work items that meet the criterion in either the current clause or the previous clause....