This reference guide includes built-in Apex classes, interfaces, enums, and exceptions, grouped by namespace. For information on the Apex development process, see Apex Developer. Apex is a strongly typed, object-oriented programming language that allows developers to execute flow and transaction control statements on the Salesforce Platform server, in conjunction with calls to the API. This reference guide includes built-in Apex classes, interfaces, enums, and exceptions. How do I implement a DML bank that is accessed through 3 different interfaces with varying access restrictions per interface? I have device with a common register bank that can be accessed through 3 different interfaces, one is the "regular" interface where the register and fields have the normal. The SQL analytics endpoint gives you a read-only T-SQL query surface over the Delta tables in your lakehouse. Every lakehouse automatically provisions a SQL analytics endpoint when created — there's nothing extra to set up. Whether you're an experienced database administrator or new to. Use when implementing runtime feature toggles, emergency kill switches, or gradual rollout controls in Apex using Custom Metadata Types, Custom Permissions, or Hierarchical Custom Settings. NOT for Custom Metadata Type fundamentals — see custom-metadata-types skill for CMDT basics.