diff --git a/bin/fr/devinsy/sikevadb/FileSikevaDB.class b/bin/fr/devinsy/sikevadb/FileSikevaDB.class
index 53312c1..d66033d 100644
Binary files a/bin/fr/devinsy/sikevadb/FileSikevaDB.class and b/bin/fr/devinsy/sikevadb/FileSikevaDB.class differ
diff --git a/bin/fr/devinsy/sikevadb/SQLSikevaDB.class b/bin/fr/devinsy/sikevadb/SQLSikevaDB.class
index 923950b..cc2ded4 100644
Binary files a/bin/fr/devinsy/sikevadb/SQLSikevaDB.class and b/bin/fr/devinsy/sikevadb/SQLSikevaDB.class differ
diff --git a/bin/fr/devinsy/sikevadb/SikevaDB.class b/bin/fr/devinsy/sikevadb/SikevaDB.class
index 613bc2e..9edca4e 100644
Binary files a/bin/fr/devinsy/sikevadb/SikevaDB.class and b/bin/fr/devinsy/sikevadb/SikevaDB.class differ
diff --git a/src/fr/devinsy/sikevadb/FileSikevaDB.java b/src/fr/devinsy/sikevadb/FileSikevaDB.java
index c9a6c36..d493560 100644
--- a/src/fr/devinsy/sikevadb/FileSikevaDB.java
+++ b/src/fr/devinsy/sikevadb/FileSikevaDB.java
@@ -264,6 +264,18 @@ public class FileSikevaDB implements SikevaDB {
 		return 0;
 	}
 
+	@Override
+	public long memorySizeOfAll() throws Exception {
+		// TODO Auto-generated method stub
+		return 0;
+	}
+
+	@Override
+	public long memorySizeOfAll(final String key) throws Exception {
+		// TODO Auto-generated method stub
+		return 0;
+	}
+
 	@Override
 	public long memorySizeOfArchive() throws Exception {
 		// TODO Auto-generated method stub
diff --git a/src/fr/devinsy/sikevadb/SQLSikevaDB.java b/src/fr/devinsy/sikevadb/SQLSikevaDB.java
index c6ae883..29fe99c 100644
--- a/src/fr/devinsy/sikevadb/SQLSikevaDB.java
+++ b/src/fr/devinsy/sikevadb/SQLSikevaDB.java
@@ -46,7 +46,6 @@ public class SQLSikevaDB implements SikevaDB {
 	private String login;
 	private String password;
 	private Connection singleConnection;
-
 	private String contextName;
 	private DataSource dataSource;
 
@@ -218,7 +217,7 @@ public class SQLSikevaDB implements SikevaDB {
 		if (maxDays < 0) {
 			throw new IndexOutOfBoundsException("maxDays is negative.");
 		} else {
-			Date beforeDate = new Date(new Date().getTime() + maxDays * 24 * 60 * 60 * 1000);
+			Date beforeDate = new Date(new Date().getTime() - maxDays * 24 * 60 * 60 * 1000);
 			clearArchive(beforeDate);
 		}
 	}
@@ -338,7 +337,7 @@ public class SQLSikevaDB implements SikevaDB {
 		try {
 			connection = getConnection();
 			connection.setAutoCommit(true);
-			statement = connection.prepareStatement("SELECT count(*) FROM elements WHERE AND TOPKEY=?");
+			statement = connection.prepareStatement("SELECT count(*) FROM elements WHERE TOPKEY=?");
 			statement.setString(1, key);
 			resultSet = statement.executeQuery();
 
@@ -903,6 +902,10 @@ public class SQLSikevaDB implements SikevaDB {
 		return result;
 	}
 
+	public String getContextName() {
+		return contextName;
+	}
+
 	/**
 	 * 
 	 * @return
@@ -1395,7 +1398,7 @@ public class SQLSikevaDB implements SikevaDB {
 		try {
 			connection = getConnection();
 			connection.setAutoCommit(true);
-			statement = connection.prepareStatement("SELECT SUM(SIZE) FROM elements WHERE ARCHIVE_DATE IS NULL AND TOPKEY=? AND SUBKEY IS NULL");
+			statement = connection.prepareStatement("SELECT SUM(SIZE) FROM elements WHERE ARCHIVE_DATE IS NULL AND TOPKEY=?");
 			statement.setString(1, key);
 			resultSet = statement.executeQuery();
 
@@ -1445,6 +1448,32 @@ public class SQLSikevaDB implements SikevaDB {
 		return result;
 	}
 
+	/**
+	 * 
+	 */
+	@Override
+	public long memorySizeOfAll() throws Exception {
+		long result;
+
+		result = memorySize() + memorySizeOfArchive();
+
+		//
+		return result;
+	}
+
+	/**
+	 * 
+	 */
+	@Override
+	public long memorySizeOfAll(final String key) throws Exception {
+		long result;
+
+		result = memorySize(key) + memorySizeOfArchive(key);
+
+		//
+		return result;
+	}
+
 	/**
 	 * {@inheritDoc}
 	 */
@@ -1487,7 +1516,7 @@ public class SQLSikevaDB implements SikevaDB {
 		try {
 			connection = getConnection();
 			connection.setAutoCommit(true);
-			statement = connection.prepareStatement("SELECT SUM(SIZE) FROM elements WHERE ARCHIVE_DATE IS NOT NULL AND TOPKEY=? AND SUBKEY IS NULL");
+			statement = connection.prepareStatement("SELECT SUM(SIZE) FROM elements WHERE ARCHIVE_DATE IS NOT NULL AND TOPKEY=?");
 			statement.setString(1, key);
 			resultSet = statement.executeQuery();
 
diff --git a/src/fr/devinsy/sikevadb/SikevaDB.java b/src/fr/devinsy/sikevadb/SikevaDB.java
index 83a5dda..360fb09 100644
--- a/src/fr/devinsy/sikevadb/SikevaDB.java
+++ b/src/fr/devinsy/sikevadb/SikevaDB.java
@@ -102,6 +102,10 @@ public interface SikevaDB {
 
 	public long memorySize(String key, String subkey) throws Exception;
 
+	public long memorySizeOfAll() throws Exception;
+
+	long memorySizeOfAll(String key) throws Exception;
+
 	public long memorySizeOfArchive() throws Exception;
 
 	long memorySizeOfArchive(String key) throws Exception;