diff --git a/.gitignore b/.gitignore
index f93d27b70..7db9747b8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 *.jar
 *.swp
 *.bak
+*.ent
 *.versionsBackup
 dependency-reduced-pom.xml
 asm-9.7.jar
diff --git a/Configure.pl b/Configure.pl
index 6166ee4ce..68a1bdf97 100755
--- a/Configure.pl
+++ b/Configure.pl
@@ -415,7 +415,12 @@ sub search_maven_artifact {
         }
         print "Select number [0-" . $#docs . "]: ";
         my $choice = <STDIN>;
+        unless (defined $choice) {
+            warn "No input received (not running interactively?). Defaulting to [0].\n";
+            $choice = 0;
+        }
         chomp $choice;
+        $choice = 0 unless $choice =~ /^\d+$/ && $choice <= $#docs;
         return $docs[$choice]{id};
     }
 
@@ -510,12 +515,16 @@ sub score_jdbc_relevance {
     my $score = 0;
 
     # Higher score for JDBC indicators
-    $score += 5 if $doc->{g} =~ /jdbc/i;
-    $score += 5 if $doc->{a} =~ /jdbc/i;
-    $score += 3 if $doc->{g} =~ /database|mysql|postgresql|oracle|sqlserver/i;
-    $score += 3 if $doc->{a} =~ /database|mysql|postgresql|oracle|sqlserver/i;
-    $score += 2 if $doc->{latestVersion} =~ /jdbc/i;
-    $score += 4 if $doc->{c} =~ /Driver$/;
+    my $g = $doc->{g} // '';
+    my $a = $doc->{a} // '';
+    my $v = $doc->{latestVersion} // '';
+    my $c = $doc->{c} // '';
+    $score += 5 if $g =~ /jdbc/i;
+    $score += 5 if $a =~ /jdbc/i;
+    $score += 3 if $g =~ /database|mysql|postgresql|oracle|sqlserver/i;
+    $score += 3 if $a =~ /database|mysql|postgresql|oracle|sqlserver/i;
+    $score += 2 if $v =~ /jdbc/i;
+    $score += 4 if $c =~ /Driver$/;
 
     # Boost score based on download count
     $score += log($doc->{downloadCount} || 1);
diff --git a/docs/getting-started/installation.md b/docs/getting-started/installation.md
index b01a4256b..3dbb1f6cf 100644
--- a/docs/getting-started/installation.md
+++ b/docs/getting-started/installation.md
@@ -110,15 +110,12 @@ sudo dpkg -r perlonjava
 ```bash
 ./jperl -E 'print "Hello World"'
 ./jperl myscript.pl
-CLASSPATH="jdbc-drivers/h2-2.2.224.jar" ./jperl myscript.pl
 ```
 
 **Windows:**
 ```bash
 jperl -E "print 'Hello World'"
 jperl myscript.pl
-set CLASSPATH=jdbc-drivers\h2-2.2.224.jar
-jperl myscript.pl
 ```
 
 ### Common Options
@@ -132,18 +129,23 @@ jperl myscript.pl
 
 1. Using Configure.pl:
 ```bash
-./Configure.pl --search mysql-connector-java
+./jperl Configure.pl --search mysql-connector-java
 ```
 
 2. Using Java classpath (shown in platform-specific examples above)
 
 ### Database Connection Example
+
+SQLite is bundled with PerlOnJava — no additional installation needed:
+
 ```perl
 use DBI;
-my $dbh = DBI->connect("jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1");
-$dbh->do("CREATE TABLE test (id INT, name VARCHAR(50))");
+my $dbh = DBI->connect("dbi:SQLite:dbname=:memory:", "", "");
+$dbh->do("CREATE TABLE test (id INTEGER PRIMARY KEY, name TEXT)");
 ```
 
+For other databases, add JDBC drivers via CLASSPATH or Configure.pl (see below).
+
 See [Database Access Guide](../guides/database-access.md) for detailed connection examples and supported databases.
 
 ## Build Notes
@@ -165,33 +167,37 @@ See [Database Access Guide](../guides/database-access.md) for detailed connectio
 
 The `Configure.pl` script manages configuration settings and dependencies for PerlOnJava.
 
+> **Tip:** Using `./jperl` to run Configure.pl is recommended because it includes
+> built-in HTTPS support. System Perl may require additional modules
+> (`IO::Socket::SSL`, `Net::SSLeay`) for the Maven Central search to work.
+
 ### Common Tasks
 
 **View current configuration:**
 ```bash
-./Configure.pl
+./jperl Configure.pl
 ```
 
 **Add JDBC driver (search):**
 ```bash
-./Configure.pl --search mysql
+./jperl Configure.pl --search mysql
 make  # Rebuild to include driver
 ```
 
 **Add JDBC driver (direct):**
 ```bash
-./Configure.pl --direct com.h2database:h2:2.2.224
+./jperl Configure.pl --direct com.mysql:mysql-connector-j:8.2.0
 make  # Rebuild to include driver
 ```
 
 **Update configuration:**
 ```bash
-./Configure.pl -D perlVersion=v5.42.0
+./jperl Configure.pl -D perlVersion=v5.42.0
 ```
 
 **Upgrade all dependencies:**
 ```bash
-./Configure.pl --upgrade
+./jperl Configure.pl --upgrade
 ```
 
 ### Available Options
diff --git a/docs/guides/database-access.md b/docs/guides/database-access.md
index ca0de9dd6..b435e4f4c 100644
--- a/docs/guides/database-access.md
+++ b/docs/guides/database-access.md
@@ -4,16 +4,18 @@ This guide explains how to use databases with PerlOnJava through the DBI module
 
 ## Quick Start
 
+SQLite is bundled with PerlOnJava — no additional installation needed:
+
 ```perl
 use DBI;
 
-my $dbh = DBI->connect("jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1");
-$dbh->do("CREATE TABLE users (id INT, name VARCHAR(50))");
+my $dbh = DBI->connect("dbi:SQLite:dbname=:memory:", "", "");
+$dbh->do("CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT)");
 ```
 
 ## Adding JDBC Drivers
 
-JDBC Database drivers can be added in two ways:
+SQLite works out of the box. For other databases, JDBC drivers can be added in two ways:
 
 1. Using Configure.pl:
     - The Configure script updates the build configuration to install the JDBC database drivers in the PerlOnJava jar file
@@ -22,8 +24,8 @@ JDBC Database drivers can be added in two ways:
 
 Examples:
 ```bash
-./Configure.pl --search mysql-connector-java
-./Configure.pl --search aws-mysql-jdbc
+./jperl Configure.pl --search mysql-connector-java
+./jperl Configure.pl --search aws-mysql-jdbc
 ```
 
 Then build with the drivers included:
@@ -39,29 +41,33 @@ gradle clean build
 
    Unix/Linux/Mac:
     ```bash
-    CLASSPATH="jdbc-drivers/h2-2.2.224.jar" ./jperl myscript.pl
+    CLASSPATH="jdbc-drivers/mysql-connector-j-8.2.0.jar" ./jperl myscript.pl
     ```
 
    Windows:
     ```bash
-    set CLASSPATH=jdbc-drivers\h2-2.2.224.jar
+    set CLASSPATH=jdbc-drivers\mysql-connector-j-8.2.0.jar
     jperl myscript.pl
     ```
    
     Calling java directly with the classpath is also possible:
     ```bash
-    java --enable-native-access=ALL-UNNAMED -cp "jdbc-drivers/h2-2.2.224.jar:target/perlonjava-5.42.0.jar" org.perlonjava.app.cli.Main myscript.pl
+    java --enable-native-access=ALL-UNNAMED -cp "jdbc-drivers/mysql-connector-j-8.2.0.jar:target/perlonjava-5.42.0.jar" org.perlonjava.app.cli.Main myscript.pl
     ```
 
 ## Database Connection Examples
 
-### H2 Database
+### SQLite (bundled)
 ```perl
-# In-memory database
-my $dbh = DBI->connect("jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1");
+# In-memory database (Perl DBI DSN format)
+my $dbh = DBI->connect("dbi:SQLite:dbname=:memory:", "", "");
 
 # File-based database
-my $dbh = DBI->connect("jdbc:h2:file:/path/to/database");
+my $dbh = DBI->connect("dbi:SQLite:dbname=/path/to/database.db", "", "");
+
+# JDBC URL format also works
+my $dbh = DBI->connect("jdbc:sqlite::memory:");
+my $dbh = DBI->connect("jdbc:sqlite:/path/to/database.db");
 ```
 
 ### MySQL
@@ -82,11 +88,6 @@ my $dbh = DBI->connect(
 );
 ```
 
-### SQLite
-```perl
-my $dbh = DBI->connect("jdbc:sqlite:/path/to/database.db");
-```
-
 ### BigQuery
 ```perl
 my $dbh = DBI->connect(
diff --git a/docs/reference/configure.md b/docs/reference/configure.md
index c16513677..cd4a40eae 100644
--- a/docs/reference/configure.md
+++ b/docs/reference/configure.md
@@ -5,13 +5,18 @@ The `Configure.pl` script manages configuration settings and dependencies for Pe
 ## Synopsis
 
 ```bash
-./Configure.pl [options]
-./Configure.pl -D key=value
-./Configure.pl --search keyword
-./Configure.pl --direct group:artifact:version
-./Configure.pl --upgrade
+./jperl Configure.pl [options]
+./jperl Configure.pl -D key=value
+./jperl Configure.pl --search keyword
+./jperl Configure.pl --direct group:artifact:version
+./jperl Configure.pl --upgrade
 ```
 
+> **Tip:** `Configure.pl` can be run with either `./jperl` or `perl`. Using `./jperl` is
+> recommended because it includes built-in HTTPS support, while system Perl may
+> require additional modules (`IO::Socket::SSL`, `Net::SSLeay`) for the Maven
+> Central search to work.
+
 ## Options
 
 ### Help and Information
@@ -20,7 +25,7 @@ The `Configure.pl` script manages configuration settings and dependencies for Pe
 - Show help message and usage instructions
 
 ```bash
-./Configure.pl --help
+./jperl Configure.pl --help
 ```
 
 ### Configuration Management
@@ -32,9 +37,9 @@ The `Configure.pl` script manages configuration settings and dependencies for Pe
 - Boolean/numeric values are used as-is
 
 ```bash
-./Configure.pl -D perlVersion=v5.40.0
-./Configure.pl -D jarVersion=3.0.1
-./Configure.pl -D strict_mode=true -D enable_optimizations=false
+./jperl Configure.pl -D perlVersion=v5.40.0
+./jperl Configure.pl -D jarVersion=3.0.1
+./jperl Configure.pl -D strict_mode=true -D enable_optimizations=false
 ```
 
 **Special behavior for `jarVersion`:**
@@ -43,7 +48,7 @@ The `Configure.pl` script manages configuration settings and dependencies for Pe
 
 **View current configuration:**
 ```bash
-./Configure.pl
+./jperl Configure.pl
 ```
 
 ### Dependency Management
@@ -55,15 +60,15 @@ The `Configure.pl` script manages configuration settings and dependencies for Pe
 
 ```bash
 # Search by keyword
-./Configure.pl --search h2
-./Configure.pl --search mysql
+./jperl Configure.pl --search mysql
+./jperl Configure.pl --search postgresql
 
 # Search by driver class name
-./Configure.pl --search org.h2.Driver
-./Configure.pl --search com.mysql.cj.jdbc.Driver
+./jperl Configure.pl --search com.mysql.cj.jdbc.Driver
+./jperl Configure.pl --search org.postgresql.Driver
 
 # Search by group:artifact
-./Configure.pl --search org.postgresql:postgresql
+./jperl Configure.pl --search org.postgresql:postgresql
 ```
 
 **Search behavior:**
@@ -79,9 +84,8 @@ The `Configure.pl` script manages configuration settings and dependencies for Pe
 - Format must be: `group:artifact:version`
 
 ```bash
-./Configure.pl --direct com.h2database:h2:2.2.224
-./Configure.pl --direct org.postgresql:postgresql:42.7.1
-./Configure.pl --direct com.mysql:mysql-connector-j:8.2.0
+./jperl Configure.pl --direct com.mysql:mysql-connector-j:8.2.0
+./jperl Configure.pl --direct org.postgresql:postgresql:42.7.1
 ```
 
 **`--verbose`**
@@ -91,7 +95,7 @@ The `Configure.pl` script manages configuration settings and dependencies for Pe
 - Useful for troubleshooting search issues
 
 ```bash
-./Configure.pl --search h2 --verbose
+./jperl Configure.pl --search mysql --verbose
 ```
 
 ### Dependency Upgrades
@@ -103,7 +107,7 @@ The `Configure.pl` script manages configuration settings and dependencies for Pe
 - Uses `./gradlew versionCatalogUpdate` for Gradle
 
 ```bash
-./Configure.pl --upgrade
+./jperl Configure.pl --upgrade
 ```
 
 **Requirements:**
@@ -118,12 +122,12 @@ The `Configure.pl` script manages configuration settings and dependencies for Pe
 
 1. Search for the driver:
 ```bash
-./Configure.pl --search mysql-connector-java
+./jperl Configure.pl --search mysql-connector-java
 ```
 
 2. Or use direct coordinates if you know them:
 ```bash
-./Configure.pl --direct com.mysql:mysql-connector-j:8.2.0
+./jperl Configure.pl --direct com.mysql:mysql-connector-j:8.2.0
 ```
 
 3. Rebuild the project to include the driver:
@@ -139,10 +143,10 @@ Instead of bundling drivers, you can load them at runtime:
 
 ```bash
 # Download driver manually
-wget https://repo1.maven.org/maven2/com/h2database/h2/2.2.224/h2-2.2.224.jar
+wget https://repo1.maven.org/maven2/com/mysql/mysql-connector-j/8.2.0/mysql-connector-j-8.2.0.jar
 
 # Use with CLASSPATH
-CLASSPATH=/path/to/h2-2.2.224.jar ./jperl script.pl
+CLASSPATH=/path/to/mysql-connector-j-8.2.0.jar ./jperl script.pl
 ```
 
 ## How It Works
@@ -191,7 +195,7 @@ For `jarVersion` updates, also:
 ### View Current Configuration
 
 ```bash
-./Configure.pl
+./jperl Configure.pl
 ```
 
 Output:
@@ -206,14 +210,14 @@ strict_mode = true
 ### Update Configuration
 
 ```bash
-./Configure.pl -D perlVersion=v5.42.0 -D jarVersion=3.1.0
+./jperl Configure.pl -D perlVersion=v5.42.0 -D jarVersion=3.1.0
 ```
 
 ### Search and Add JDBC Driver
 
 ```bash
 # Search for PostgreSQL driver
-./Configure.pl --search postgresql
+./jperl Configure.pl --search postgresql
 
 # Output shows:
 # Multiple matches found:
@@ -233,8 +237,8 @@ make
 ### Add Driver with Direct Coordinates
 
 ```bash
-# Add H2 database driver
-./Configure.pl --direct com.h2database:h2:2.2.224
+# Add MySQL database driver
+./jperl Configure.pl --direct com.mysql:mysql-connector-j:8.2.0
 
 # Rebuild
 make
@@ -243,7 +247,7 @@ make
 ### Upgrade All Dependencies
 
 ```bash
-./Configure.pl --upgrade
+./jperl Configure.pl --upgrade
 ```
 
 Output:
@@ -261,11 +265,11 @@ Gradle dependencies updated successfully.
 
 ```bash
 # Option 1: Search and select
-./Configure.pl --search mysql
+./jperl Configure.pl --search mysql
 make
 
 # Option 2: Direct coordinates
-./Configure.pl --direct com.mysql:mysql-connector-j:8.2.0
+./jperl Configure.pl --direct com.mysql:mysql-connector-j:8.2.0
 make
 
 # Option 3: Manual CLASSPATH (no rebuild needed)
@@ -275,7 +279,7 @@ CLASSPATH=/path/to/mysql-connector.jar ./jperl script.pl
 ### Updating Project Version
 
 ```bash
-./Configure.pl -D jarVersion=4.0.0
+./jperl Configure.pl -D jarVersion=4.0.0
 # This updates Configuration.java and all references to perlonjava-*.jar
 ```
 
@@ -283,21 +287,21 @@ CLASSPATH=/path/to/mysql-connector.jar ./jperl script.pl
 
 ```bash
 # Search by database name
-./Configure.pl --search postgresql --verbose
+./jperl Configure.pl --search postgresql --verbose
 
 # Search by driver class
-./Configure.pl --search org.postgresql.Driver --verbose
+./jperl Configure.pl --search org.postgresql.Driver --verbose
 ```
 
 ## Troubleshooting
 
 ### Search Returns No Results
 
-**Problem**: `./Configure.pl --search keyword` finds nothing
+**Problem**: `./jperl Configure.pl --search keyword` finds nothing
 
 **Solutions**:
 - Try broader keywords: `mysql` instead of `mysql-connector-java-8.2.0`
-- Search by driver class: `./Configure.pl --search com.mysql.cj.jdbc.Driver`
+- Search by driver class: `./jperl Configure.pl --search com.mysql.cj.jdbc.Driver`
 - Use `--verbose` to see search URL and results
 - Use `--direct` if you know the exact coordinates
 
@@ -307,7 +311,7 @@ CLASSPATH=/path/to/mysql-connector.jar ./jperl script.pl
 
 **Solution**: You must rebuild after adding dependencies:
 ```bash
-./Configure.pl --direct group:artifact:version
+./jperl Configure.pl --direct group:artifact:version
 make  # This downloads and bundles the dependency
 ```
 
diff --git a/examples/dbi.pl b/examples/dbi.pl
index 9b7aaac02..f19552ac1 100644
--- a/examples/dbi.pl
+++ b/examples/dbi.pl
@@ -1,13 +1,9 @@
-# misc/snippets/dbi.pl
+# examples/dbi.pl
 #
-# Install h2 driver:
-# curl https://repo1.maven.org/maven2/com/h2database/h2/2.2.224/h2-2.2.224.jar --output h2-2.2.224.jar
+# SQLite is bundled with PerlOnJava - no additional installation needed.
 #
 # Run using:
-# java -cp "h2-2.2.224.jar:target/perlonjava-5.42.0.jar" org.perlonjava.app.cli.Main examples/dbi.pl
-#
-# or using:
-# CLASSPATH=h2-2.2.224.jar ./jperl examples/dbi.pl
+# ./jperl examples/dbi.pl
 #
 
 use strict;
@@ -16,18 +12,18 @@
 use Data::Dumper;
 use feature 'say';
 
-# Connect to H2 database
+# Connect to SQLite in-memory database (bundled, no extra driver needed)
 my $dbh = DBI->connect(
-    "jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1",  # In-memory H2 database
-    "sa",                 # Default H2 username
-    "",                   # Empty password
+    "dbi:SQLite:dbname=:memory:",
+    "",                   # No username needed
+    "",                   # No password needed
     { RaiseError => 1 }
 );
 
 # Create a test table
 $dbh->do("CREATE TABLE users (
-    id INTEGER AUTO_INCREMENT PRIMARY KEY,
-    name VARCHAR(100),
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name TEXT,
     age INTEGER
 )");
 
@@ -82,7 +78,7 @@
 
 # Fetch as hash refs with specific column names
 $sth->execute(20);
-my $named_cols = $sth->fetchall_arrayref({ NAME => 1, AGE => 1 });
+my $named_cols = $sth->fetchall_arrayref({ name => 1, age => 1 });
 say "\nNamed columns only:";
 print Dumper $named_cols;
 
@@ -106,9 +102,9 @@
 
 # Complex query with joins and hash slice (assuming we add a new table)
 $dbh->do("CREATE TABLE orders (
-    order_id INTEGER AUTO_INCREMENT PRIMARY KEY,
+    order_id INTEGER PRIMARY KEY AUTOINCREMENT,
     user_id INTEGER,
-    amount DECIMAL(10,2),
+    amount REAL,
     FOREIGN KEY (user_id) REFERENCES users(id)
 )");
 
@@ -136,7 +132,7 @@
 
 
 # Add a new column that allows NULL
-$dbh->do("ALTER TABLE users ADD COLUMN last_login TIMESTAMP NULL");
+$dbh->do("ALTER TABLE users ADD COLUMN last_login TEXT");
 
 # Insert rows with NULL values
 $dbh->do("INSERT INTO users (name, age, last_login) VALUES (?, ?, ?)",
@@ -199,7 +195,7 @@
 print Dumper $nested;
 
 # Access nested data example
-say "\nAccessing   nested data:";
+say "\nAccessing nested data:";
 for my $user_id (sort keys %$nested) {
     say "User $user_id orders:";
     for my $order_id (sort keys %{$nested->{$user_id}}) {
@@ -211,4 +207,3 @@
 
 $sth->finish;
 $dbh->disconnect;
-