diegopacheco

Create user/schema on oracle

CREATE USER smith IDENTIFIED BY password;
GRANT CREATE TABLE TO smith;
GRANT CREATE SESSION TO smith;
commit;
SELECT username, account_status FROM dba_users
WHERE username = 'SMITH';

CREATE SCHEMA AUTHORIZATION smith;

GavinRay97

package com.example;

import org.apache.calcite.adapter.jdbc.JdbcCatalogSchema;
import org.apache.calcite.jdbc.CalciteConnection;
import org.apache.calcite.jdbc.JavaTypeFactoryImpl;
import org.apache.calcite.rel.type.RelDataTypeField;
import org.apache.calcite.schema.SchemaPlus;
import org.apache.calcite.schema.Table;
import schemacrawler.schema.Catalog;
import schemacrawler.schemacrawler.SchemaCrawlerOptions;

sualeh

Introduction

I keep a number of personal files on my computer, organized in folders. These could be photos, financial information, and so on. As I work with these files, I add to them, sometimes modify them to edit a photo, or add to notes, and move or rename them in various ways to reorganize. I wanted a good way to keep track of these changes.

My first thought is that I would write a Python program to scan the folders, and print MD5 checksums of each file in a readable way. This way, I could save off the old "index", and compare it with a new index using a standard diff tool. My attempt at this program is sualeh/diff-name-only. My disclaimer if you look at the code is that I am still teaching myself Python, and have not reached the heights of Pythonic Zen.

As I was writing this code, I was struck by how much of what I needed was already done by a standard source control system such as git. I could simply use git, and solve my problems. However, git keeps tr

dannguyen

Installing and using schemacrawler for MacOS

A recipe for generating cool SQLite database diagrams with schemacrawler on MacOS

This was tested on MacOS 10.14.5 on 2019-07-16

schemacrawler is a free and open-source database schema discovery and comprehension tool. It can be invoked from the command-line to produce, using GraphViz, images/pdfs from a SQLite (or other database type) file. It can be used from the command-line to generate schema diagrams like these:

ofurkusi

<NotepadPlus>
    <UserLang name="Todo.txt" ext="Todo.txt" udlVersion="2.1">
        <Settings>
            <Global caseIgnored="yes" allowFoldOfComments="no" foldCompact="no" forcePureLC="2" decimalSeparator="0" />
            <Prefix Keywords1="yes" Keywords2="yes" Keywords3="no" Keywords4="no" Keywords5="no" Keywords6="no" Keywords7="no" Keywords8="no" />
        </Settings>
        <KeywordLists>
            <Keywords name="Comments">00x 01 02((EOL)) 03 04</Keywords>
            <Keywords name="Numbers, prefix1"></Keywords>
            <Keywords name="Numbers, prefix2"></Keywords>