B. Can the requester obtain a customized search of computer databases to fit particular needs?

Yes, but the agency may require the requester to bear the cost of producing the record if it is one produced only at otherwise regularly scheduled intervals or would require data compilation, extraction or programming to produce.  Cal. Gov't Code § 6253.9(a). An agency, however, is not required to reconstruct a record in an electronic format if the agency no longer has the record available in an electronic format. Cal. Gov't Code § 6253.9(c).  Nor is it required to disclose electronic records where "release would jeopardize or compromise the security or integrity of the original record or any proprietary software in which it is maintained." Cal. Gov't Code § 6253.9(f).