Query rules servicenow

1. What is a query business rule in ServiceNow?
2. What is difference between query business rule and ACL?
3. What are query and display business rules in ServiceNow?
4. How do you query records in ServiceNow?

What is a query business rule in ServiceNow?

Query business rules let you run code and possibly modify a query before/after the query is executed. This is useful if you don't want anyone to see inactive users. There'a OOB business rule doing this for non-admins. Display business rules run when the data is loaded.

What is difference between query business rule and ACL?

In addition to that, query business rules only apply for read access at the row level while ACLs can do CRUD at the row and column level. There are also some implications when doing GlideRecord queries as query BRs will affect a GR query where ACLs will not unless you're using GlideRecord secure.

What are query and display business rules in ServiceNow?

Display Business Rules are used to reduce the overhead of Ajax calls at client side. Basically you will put all the values in a g_scrachpad object using the display business rules.

How do you query records in ServiceNow?

In order to query a table, first create a ServiceNow object for the table. This object is called a GlideRecord. query() is a method of class 'GlideRecord'. Syntax: addQuery(String name, Object operator, Object value) //(field, operator, value).