There are no `@since` tags in the SQL package-info.java files.

jjg-mac:jdk.ref (master ‣ master) $ ls -d open/src/java.sql*
open/src/java.sql open/src/java.sql.rowset
jjg-mac:jdk.ref (master ‣ master) $ find open/src/java.sql* -name package-info.java
open/src/java.sql/share/classes/java/sql/package-info.java
open/src/java.sql/share/classes/javax/sql/package-info.java
open/src/java.sql.rowset/share/classes/javax/sql/rowset/spi/package-info.java
open/src/java.sql.rowset/share/classes/javax/sql/rowset/package-info.java
open/src/java.sql.rowset/share/classes/javax/sql/rowset/serial/package-info.java
open/src/java.sql.rowset/share/classes/com/sun/rowset/providers/package-info.java
open/src/java.sql.rowset/share/classes/com/sun/rowset/package-info.java
jjg-mac:jdk.ref (master ‣ master) $ find open/src/java.sql* -name package-info.java | xargs grep '@since'
jjg-mac:jdk.ref (master ‣ master) $