Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
samba-test-devel
samba-test-libs
samba-test-libs(x86-64)
libdsdb-module-samba4.so()(64bit)
libdsdb-module-samba4.so(SAMBA_4.6.2)(64bit)

Requires :

libndr.so.0()(64bit)
libc.so.6()(64bit)
samba-client-libs = 4.6.2-12.el7_4
libsamba-errors.so.1(SAMBA_ERRORS_1)(64bit)
libcli-ldap-common-samba4.so(SAMBA_4.6.2)(64bit)
libldb.so.1(LDB_0.9.15)(64bit)
libldb.so.1(LDB_0.9.19)(64bit)
rtld(GNU_HASH)
libtalloc.so.2()(64bit)
libsamba-util.so.0()(64bit)
libldbsamba-samba4.so(SAMBA_4.6.2)(64bit)
libsamdb-common-samba4.so(SAMBA_4.6.2)(64bit)
libMESSAGING-samba4.so()(64bit)
libtalloc.so.2(TALLOC_2.0.2)(64bit)
libldb.so.1(LDB_0.9.12)(64bit)
libldb.so.1(LDB_0.9.24)(64bit)
libcli-ldap-common-samba4.so()(64bit)
rpmlib(PayloadIsXz) <= 5.2-1
libsamba-util.so.0(SAMBA_UTIL_0.0.1)(64bit)
libsamba-errors.so.1()(64bit)
samba-libs = 4.6.2-12.el7_4
libsamba-debug-samba4.so()(64bit)
libMESSAGING-samba4.so(SAMBA_4.6.2)(64bit)
libsamba-debug-samba4.so(SAMBA_4.6.2)(64bit)
libsamdb-common-samba4.so()(64bit)
libldb.so.1(LDB_0.9.10)(64bit)
libldbsamba-samba4.so()(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libnetif-samba4.so()(64bit)
libsamba-hostconfig.so.0()(64bit)
libsamba-security-samba4.so()(64bit)
libsamba-hostconfig.so.0(SAMBA_HOSTCONFIG_0.0.1)(64bit)
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
libpthread.so.0()(64bit)
libflag-mapping-samba4.so(SAMBA_4.6.2)(64bit)
libldb.so.1()(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
libndr.so.0(NDR_0.0.1)(64bit)
libflag-mapping-samba4.so()(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libnetif-samba4.so(SAMBA_4.6.2)(64bit)
libsamba-security-samba4.so(SAMBA_4.6.2)(64bit)

Content of RPM :
/usr/lib64/samba/libdsdb-module-samba4.so